import 'package:flutter/material.dart';
import 'package:flutter_svg/flutter_svg.dart';
import 'package:gen_rentals/Screens/HelpScreens/EnquiryScreen.dart';
import 'package:gen_rentals/Screens/HelpScreens/HelpScreen.dart';
import 'package:gen_rentals/Screens/ProductsDetailScreen.dart';
import 'package:gen_rentals/Screens/TransactionsScreen.dart';
import 'package:gen_rentals/Utility/AppColors.dart';
import 'package:provider/provider.dart';
import '../Models/DashboardResponse.dart';
import '../Notifier/DashboardProvider.dart';
import 'authScreen/LoginScreen.dart';

class DashboardScreen extends StatefulWidget {
  final String accId;
  final String sessionId;
  const DashboardScreen({super.key, required this.accId, required this.sessionId});

  @override
  State<DashboardScreen> createState() => _DashboardScreenState();
}

class _DashboardScreenState extends State<DashboardScreen> {
  @override
  void initState() {
    super.initState();

    WidgetsBinding.instance.addPostFrameCallback((_) {
      // Only fetch dashboard if accId is valid
      if (widget.accId.isNotEmpty && widget.accId != "null") {
        Provider.of<DashboardProvider>(context, listen: false).fetchDashboard(accId: widget.accId, sessionId: widget.sessionId);
      } else {
        // If accId is invalid, navigate back to login
        WidgetsBinding.instance.addPostFrameCallback((_) {
          Navigator.pushReplacement(
            context,
            MaterialPageRoute(builder: (context) => LoginScreen()),
          );
        });
      }
    });
  }

  @override
  Widget build(BuildContext context) {
    final dashboardProvider = Provider.of<DashboardProvider>(context);
    final dashboardData = dashboardProvider.dashboardData;

    double screenWidth = MediaQuery.of(context).size.width;
    double screenHeight = MediaQuery.of(context).size.height;
    double bottomPadding = MediaQuery.of(context).padding.bottom;

    // Add null check at the beginning
    if (dashboardProvider.isLoading && dashboardData == null) {
      return Scaffold(
        body: Center(
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
              CircularProgressIndicator(),
              SizedBox(height: 20),
              Text("Loading dashboard..."),
            ],
          ),
        ),
      );
    }

    return SafeArea(
      top: false,
      child: Scaffold(
        body: Container(
          color: const Color(0xFFF3F3F3),
          height: screenHeight,
          child: SingleChildScrollView(
            child: Column(
              children: [
                // Top background image section
                Stack(
                  children: [
                    // Background image
                    Container(
                      width: double.infinity,
                      decoration: BoxDecoration(
                        gradient: const LinearGradient(
                          begin: Alignment.topCenter,
                          end: Alignment.bottomCenter,
                          colors: [
                            Colors.white54,
                            Color(0xFFF3F3F3),
                          ],
                        ),
                      ),
                      child: Image.asset(
                        'assets/images/sky_blue_bg.jpg',
                        width: double.infinity,
                        height: 400,
                        fit: BoxFit.cover,
                      ),
                    ),

                    // Content overlay
                    Column(
                      crossAxisAlignment: CrossAxisAlignment.start,
                      children: [
                        // Header with profile
                        Container(
                          width: double.infinity,
                          height: 440,
                          decoration: const BoxDecoration(
                            gradient: LinearGradient(
                              begin: Alignment.topCenter,
                              end: Alignment.bottomCenter,
                              colors: [
                                Color(0x22FFFFFF),
                                Color(0x33FFFFFF),
                                Color(0x88FFFFFF),
                                Color(0xFFF3F3F3),
                                Color(0xFFF3F3F3),
                              ],
                            ),
                          ),
                          child: Column(
                            children: [
                              const SizedBox(height: 50),
                              Row(
                                mainAxisAlignment: MainAxisAlignment.end,
                                children: [
                                  // Profile icon
                                  Container(
                                    width: 50,
                                    height: 50,
                                    decoration: BoxDecoration(
                                      color: Colors.white.withOpacity(0.19),
                                      shape: BoxShape.circle,
                                      border: Border.all(
                                        color: Colors.white.withOpacity(0.5),
                                        width: 2,
                                      ),
                                    ),
                                    child: const Icon(
                                      Icons.person,
                                      color: Colors.white,
                                      size: 30,
                                    ),
                                  ),
                                  const SizedBox(width: 20)
                                ],
                              ),
                              Column(
                                crossAxisAlignment: CrossAxisAlignment.center,
                                mainAxisAlignment: MainAxisAlignment.start,
                                children: [
                                  Image.asset(
                                    'assets/images/gene_png.png',
                                    height: 250,
                                    width: 250,
                                  ),
                                  const Text(
                                    "Welcome!",
                                    style: TextStyle(
                                      fontFamily: "Poppins",
                                      color: Colors.black,
                                      fontSize: 30,
                                      fontWeight: FontWeight.w500,
                                    ),
                                  ),
                                  // Use provider data for name
                                  Text(
                                    dashboardData?.raname ?? "Loading...",
                                    style: const TextStyle(
                                      fontFamily: "Poppins",
                                      color: Colors.grey,
                                      fontSize: 16,
                                      fontWeight: FontWeight.w400,
                                    ),
                                  ),
                                ],
                              ),
                            ],
                          ),
                        ),

                        const SizedBox(height: 10),

                        // Main content section
                        Container(
                          padding: const EdgeInsets.symmetric(horizontal: 16),
                          child: Column(
                            children: [


                              // Balance Amount Card
                              Container(
                                width: double.infinity,
                                padding: const EdgeInsets.all(20),
                                decoration: BoxDecoration(
                                  color: Colors.white,
                                  borderRadius: BorderRadius.circular(16),
                                ),
                                child: Column(
                                  crossAxisAlignment: CrossAxisAlignment.start,
                                  children: [
                                    InkResponse(
                                      onTap: () {
                                        Navigator.push(
                                          context,
                                          MaterialPageRoute(builder: (context) => TransactionsScreen(
                                            sessionId: widget.sessionId,
                                            accId: widget.accId,
                                          )),
                                        );
                                      },
                                      child: Row(
                                        children: [
                                          const Text(
                                            "Balance Amount",
                                            style: TextStyle(
                                              fontFamily: "Poppins",
                                              color: Color(0xFFF00000),
                                              fontSize: 14,
                                              fontWeight: FontWeight.w400,
                                            ),
                                          ),
                                          const SizedBox(width: 4),
                                          SvgPicture.asset(
                                            "assets/svg/continue_ic.svg",
                                            color: const Color(0xFFF00000),
                                            height: 18,
                                            width: 18,
                                          ),
                                        ],
                                      ),
                                    ),
                                    const SizedBox(height: 8),
                                    Row(
                                      mainAxisAlignment: MainAxisAlignment.spaceBetween,
                                      children: [
                                        // Use provider data for balance amount - FIXED NULL CHECK
                                        Text(
                                          dashboardData?.balanceAmount.toString() ?? "0",
                                          style: const TextStyle(
                                            fontFamily: "Poppins",
                                            color: Colors.black,
                                            fontSize: 32,
                                            fontWeight: FontWeight.w500,
                                          ),
                                        ),
                                        InkResponse(
                                          onTap: () => showPaymentBottomSheet(context),
                                          child: Text(
                                            "Pay Now",
                                            style: TextStyle(
                                              fontFamily: "Poppins",
                                              color: Color(0xFF008CDE),
                                              fontSize: 14,
                                              fontWeight: FontWeight.w500,
                                            ),
                                          ),
                                        ),
                                      ],
                                    ),
                                    const SizedBox(height: 12),
                                    Text(
                                      "*Make sure to pay before you incur any fines.",
                                      style: TextStyle(
                                        fontFamily: "Poppins",
                                        color: Colors.grey.shade500,
                                        fontSize: 12,
                                        fontWeight: FontWeight.w400,
                                      ),
                                    ),
                                  ],
                                ),
                              ),

                              const SizedBox(height: 20),


                              const SizedBox(height: 20),

                              // Subscribed Orders
                              Container(
                                width: double.infinity,
                                padding: const EdgeInsets.symmetric(horizontal: 2, vertical: 10),
                                child: Column(
                                  crossAxisAlignment: CrossAxisAlignment.start,
                                  children: [
                                    // Section Title
                                    Text(
                                      "Subscribed Orders",
                                      style: TextStyle(
                                        fontFamily: "Poppins",
                                        color: Colors.grey.shade800,
                                        fontSize: 18,
                                        fontWeight: FontWeight.w600,
                                      ),
                                    ),
                                    const SizedBox(height: 16),

                                    // Show loading or products list
                                    if (dashboardProvider.isLoading && dashboardData == null)
                                      const Center(
                                        child: CircularProgressIndicator(),
                                      )
                                    else if (dashboardData?.orders == null || dashboardData!.orders!.isEmpty)
                                      const Text(
                                        "No products subscribed",
                                        style: TextStyle(
                                          fontFamily: "Poppins",
                                          color: Colors.grey,
                                          fontSize: 14,
                                        ),
                                      )
                                    else
                                    // List of subscribed products from API
                                      Column(
                                        children: dashboardData!.orders!.map((product) {
                                          return Column(
                                            children: [
                                              InkResponse(
                                                onTap: () {
                                                  Navigator.push(
                                                    context,
                                                    MaterialPageRoute(builder: (context) => ProductsDetailScreen(
                                                      sessionId: widget.sessionId,
                                                      accId: widget.accId,
                                                      orderId: product.orderid.toString(),
                                                    )),
                                                  );
                                                },
                                                child: _buildProductItemFromApi(product),
                                              ),
                                              const SizedBox(height: 16),
                                            ],
                                          );
                                        }).toList(),
                                      ),
                                  ],
                                ),
                              ),

                              // Feature cards grid
                              Container(
                                width: double.infinity,
                                padding: const EdgeInsets.all(2),
                                child: Row(
                                  crossAxisAlignment: CrossAxisAlignment.start,
                                  children: [
                                    // Big card - Any Requirements
                                    Expanded(
                                      flex: 2,
                                      child: InkResponse(
                                        onTap: () {
                                          Navigator.push(
                                              context,
                                              MaterialPageRoute(builder: (context) => EnquiryScreen(sessionId: widget.sessionId, accId: widget.accId,)
                                              )
                                          );
                                        },
                                        child: Container(
                                          padding: const EdgeInsets.symmetric(horizontal: 15, vertical: 8),
                                          decoration: BoxDecoration(
                                            color: Colors.white,
                                            borderRadius: BorderRadius.circular(12),
                                            border: Border.all(
                                              color: Colors.grey.shade200,
                                              width: 1,
                                            ),
                                          ),
                                          child: Column(
                                            crossAxisAlignment: CrossAxisAlignment.start,
                                            mainAxisAlignment: MainAxisAlignment.spaceBetween,
                                            children: [
                                              Column(
                                                crossAxisAlignment: CrossAxisAlignment.start,
                                                children: [
                                                  const SizedBox(height: 16),
                                                  Text(
                                                    "Any \nRequirements ?",
                                                    style: TextStyle(
                                                      fontFamily: "Poppins",
                                                      color: Color(0xFF008CDE),
                                                      fontSize: 16,
                                                      fontWeight: FontWeight.w400,
                                                    ),
                                                  ),
                                                  const SizedBox(height: 6),
                                                  Text(
                                                    "Submit your enquiry for requirement",
                                                    style: TextStyle(
                                                      fontFamily: "Poppins",
                                                      color: Colors.grey.shade600,
                                                      fontSize: 14,
                                                    ),
                                                  ),
                                                ],
                                              ),
                                              const SizedBox(height: 20),
                                              Row(
                                                mainAxisAlignment: MainAxisAlignment.end,
                                                children: [
                                                  SvgPicture.asset(
                                                    "assets/svg/requirements.svg",
                                                    height: 58,
                                                    width: 58,
                                                  ),
                                                ],
                                              ),
                                            ],
                                          ),
                                        ),
                                      ),
                                    ),

                                    const SizedBox(width: 10),

                                    // Side cards column
                                    Expanded(
                                      flex: 2,
                                      child: Column(
                                        children: [
                                          // Have Complaints card
                                          Container(
                                            width: double.infinity,
                                            padding: const EdgeInsets.all(10),
                                            decoration: BoxDecoration(
                                              color: Colors.white,
                                              borderRadius: BorderRadius.circular(12),
                                              border: Border.all(
                                                color: Colors.grey.shade200,
                                                width: 1,
                                              ),
                                            ),
                                            child: Row(
                                              crossAxisAlignment: CrossAxisAlignment.start,
                                              mainAxisAlignment: MainAxisAlignment.spaceBetween,
                                              children: [
                                                Expanded(
                                                  flex: 5,
                                                  child: InkResponse(
                                                    onTap: () {
                                                      Navigator.push(
                                                        context,
                                                        MaterialPageRoute(builder: (context) => HelpScreen(
                                                          sessionId: widget.sessionId,
                                                          accId: widget.accId,
                                                        )),
                                                      );
                                                    },
                                                    child: Column(
                                                      crossAxisAlignment: CrossAxisAlignment.start,
                                                      children: [
                                                        Row(
                                                          children: [
                                                            Expanded(
                                                              flex: 5,
                                                              child: Text(
                                                                "Need Help?",
                                                                style: TextStyle(
                                                                  fontFamily: "Poppins",
                                                                  color: Color(0xFF008CDE),
                                                                  fontSize: 14,
                                                                  fontWeight: FontWeight.w400,
                                                                ),
                                                              ),
                                                            ),
                                                            Expanded(
                                                              flex: 2,
                                                              child: SvgPicture.asset(
                                                                "assets/svg/have_compaints.svg",
                                                                height: 35,
                                                                width: 35,
                                                              ),
                                                            ),
                                                          ],
                                                        ),
                                                        const SizedBox(height: 4),
                                                        Text(
                                                          "Raise a ticket to resolve your issues.",
                                                          style: TextStyle(
                                                            fontFamily: "Poppins",
                                                            color: Colors.grey.shade600,
                                                            fontWeight: FontWeight.w400,
                                                            fontSize: 12,
                                                          ),
                                                        ),
                                                      ],
                                                    ),
                                                  ),
                                                ),
                                              ],
                                            ),
                                          ),

                                          const SizedBox(height: 8),

                                          // Know Your Payments card
                                          InkResponse(
                                            onTap: () {
                                              Navigator.push(
                                                context,
                                                MaterialPageRoute(builder: (context) => TransactionsScreen(
                                                  sessionId: widget.sessionId,
                                                  accId: widget.accId,
                                                )),
                                              );
                                            },
                                            child: Container(
                                              width: double.infinity,
                                              padding: const EdgeInsets.all(10),
                                              decoration: BoxDecoration(
                                                color: Colors.white,
                                                borderRadius: BorderRadius.circular(12),
                                                border: Border.all(
                                                  color: Colors.grey.shade200,
                                                  width: 1,
                                                ),
                                              ),
                                              child: Row(
                                                crossAxisAlignment: CrossAxisAlignment.start,
                                                mainAxisAlignment: MainAxisAlignment.spaceBetween,
                                                children: [
                                                  Expanded(
                                                    flex: 5,
                                                    child: Column(
                                                      crossAxisAlignment: CrossAxisAlignment.start,
                                                      children: [
                                                        Row(
                                                          children: [
                                                            Expanded(
                                                              flex: 5,
                                                              child: Text(
                                                                "Transactions!",
                                                                style: TextStyle(
                                                                  fontFamily: "Poppins",
                                                                  color: Color(0xFF008CDE),
                                                                  fontSize: 14,
                                                                  fontWeight: FontWeight.w400,
                                                                ),
                                                              ),
                                                            ),
                                                            Expanded(
                                                              flex: 2,
                                                              child: SvgPicture.asset(
                                                                "assets/svg/know_pay.svg",
                                                                height: 35,
                                                                width: 35,
                                                              ),
                                                            ),
                                                          ],
                                                        ),
                                                        const SizedBox(height: 4),
                                                        Text(
                                                          "View your all transactions with us.",
                                                          style: TextStyle(
                                                            fontFamily: "Poppins",
                                                            color: Colors.grey.shade600,
                                                            fontWeight: FontWeight.w400,
                                                            fontSize: 12,
                                                          ),
                                                        ),
                                                      ],
                                                    ),
                                                  ),
                                                ],
                                              ),
                                            ),
                                          ),
                                        ],
                                      ),
                                    ),
                                  ],
                                ),
                              ),
                              SizedBox(height: 10,),
                            ],
                          ),
                        ),
                      ],
                    ),
                  ],
                ),
              ],
            ),
          ),
        ),
      ),
    );
  }

  // Helper widget for product item from API data
  Widget _buildProductItemFromApi(Orders product) {
    final bool hasPending = product.hasPendingPayment == true;
    final productList = product.products ?? [];

    return Container(
      margin: const EdgeInsets.symmetric(vertical: 6),
      decoration: BoxDecoration(
        borderRadius: BorderRadius.circular(15),
        boxShadow: [
          BoxShadow(
            color: Colors.grey.withOpacity(0.15),
            blurRadius: 6,
            offset: const Offset(0, 2),
          ),
        ],
      ),
      child: Stack(
        children: [
          // ===== Red Strip (Behind Card) =====
          if (hasPending)
            Positioned.fill(
              top: null,
              child: Align(
                alignment: Alignment.bottomCenter,
                child: Container(
                  height: 45,
                  decoration: const BoxDecoration(
                    color: Color(0xFFFFE2E0),
                    borderRadius: BorderRadius.only(
                      bottomLeft: Radius.circular(15),
                      bottomRight: Radius.circular(15),
                    ),
                  ),
                  child: Row(
                    children: [
                      const SizedBox(width: 12),
                      const Icon(Icons.info_outline, color: Colors.red, size: 18),
                      const SizedBox(width: 6),
                      Expanded(
                        child: Text(
                          product.pendingPaymentText ??
                              "Payment Pending. Please Pay before incurring fines.",
                          style: const TextStyle(
                            fontFamily: "Poppins",
                            color: Colors.red,
                            fontSize: 12,
                            fontWeight: FontWeight.w400,
                          ),
                        ),
                      ),
                      const SizedBox(width: 12),
                    ],
                  ),
                ),
              ),
            ),

          // ===== Main White Card =====
          Container(
            decoration: BoxDecoration(
              color: Colors.white,
              borderRadius: BorderRadius.circular(15),
            ),
            padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 10),
            child: Column(
              crossAxisAlignment: CrossAxisAlignment.start,
              children: [
                /// Header Row (image, order id, date, badge)
                Row(
                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
                  children: [
                    Row(
                      children: [
                        Container(
                          padding: const EdgeInsets.all(14),
                          decoration: BoxDecoration(
                            color: const Color(0xffF2F2F2),
                            borderRadius: BorderRadius.circular(16),
                          ),
                          child: Image.network(
                            product.productImage ?? "",
                            height: 40,
                            width: 40,
                            fit: BoxFit.contain,
                            errorBuilder: (context, error, stack) =>
                                Image.asset('assets/images/gene_png.png',
                                    height: 40, width: 40),
                          ),
                        ),
                        const SizedBox(width: 8),
                        Column(
                          crossAxisAlignment: CrossAxisAlignment.start,
                          children: [
                            Text(
                              "#${product.orderid ?? "0"}",
                              style: const TextStyle(
                                fontFamily: "Poppins",
                                color: Color(0xFF008CDE),
                                fontSize: 16,
                                fontWeight: FontWeight.w500,
                                height: 1.2,
                              ),
                            ),
                            Text(
                              product.rentedDate ?? "Rented date not available",
                              style: TextStyle(
                                fontFamily: "Poppins",
                                color: Colors.grey.shade600,
                                fontSize: 12,
                              ),
                            ),
                          ],
                        ),
                      ],
                    ),

                    // ✅ Gradient expiry badge
                    if (product.expiringText != null &&
                        product.expiringText!.isNotEmpty)
                      Container(
                        padding: const EdgeInsets.symmetric(
                            horizontal: 10, vertical: 6),
                        decoration: BoxDecoration(
                          gradient: _getGradientByColor(product.expiringInColor),
                          borderRadius: BorderRadius.circular(8),
                        ),
                        child: Text(
                          product.expiringText!,
                          style: const TextStyle(
                            color: Colors.black87,
                            fontSize: 12,
                            fontWeight: FontWeight.w500,
                          ),
                        ),
                      ),
                  ],
                ),

                const SizedBox(height: 6),
                const Divider(),

                /// ===== Product List (with +3 More on same line) =====
                Builder(
                  builder: (context) {
                    final visibleItems = productList.take(2).toList();
                    final remaining = productList.length - visibleItems.length;

                    return Row(
                      crossAxisAlignment: CrossAxisAlignment.center,
                      mainAxisAlignment: MainAxisAlignment.spaceBetween,
                      children: [
                        // Left side → Product list (bulleted)
                        Expanded(
                          child: Column(
                            crossAxisAlignment: CrossAxisAlignment.start,
                            children: [
                              for (int i = 0; i < visibleItems.length; i++)
                                Padding(
                                  padding: const EdgeInsets.only(bottom: 4),
                                  child: Row(
                                    crossAxisAlignment: CrossAxisAlignment.start,
                                    children: [
                                      const SizedBox(width: 8),
                                      const Text(
                                        "• ",
                                        style: TextStyle(color: Colors.black, fontSize: 16),
                                      ),
                                      Expanded(
                                        child: Text(
                                          visibleItems[i],
                                          style: const TextStyle(
                                            color: Colors.black,
                                            fontSize: 16,
                                            fontWeight: FontWeight.w400,
                                          ),
                                        ),
                                      ),
                                    ],
                                  ),
                                ),
                            ],
                          ),
                        ),

                        // Right side → +x More (vertically centered)
                        if (remaining > 0)
                          Padding(
                            padding: const EdgeInsets.only(left: 8, right: 4),
                            child: Align(
                              alignment: Alignment.center,
                              child: Text(
                                "+$remaining More",
                                style: const TextStyle(
                                  fontFamily: "Poppins",
                                  color: Color(0xFF008CDE),
                                  fontSize: 14,
                                  fontWeight: FontWeight.w500,
                                ),
                              ),
                            ),
                          ),
                      ],
                    );
                  },
                ),

              ],
            ),
          ),
        ],
      ),
    );
  }

// Gradient helper
  LinearGradient _getGradientByColor(String? color) {
    switch (color) {
      case "Red":
        return const LinearGradient(
          colors: [Color(0xFFFFE0E0), Color(0xFFFFC0C0)],
          begin: Alignment.topLeft,
          end: Alignment.bottomRight,
        );
      case "Green":
      default:
        return const LinearGradient(
          colors: [Color(0xFFE9FFDD), Color(0xFFB5FFD1)],
          begin: Alignment.topLeft,
          end: Alignment.bottomRight,
        );
    }
  }




  // Helper method to get gradient based on color from API
  // LinearGradient _getGradientByColor(String? color) {
  //   switch (color) {
  //     case "red":
  //       return const LinearGradient(
  //         begin: Alignment.topLeft,
  //         end: Alignment.bottomRight,
  //         colors: [
  //           Color(0xFFFFDDDD),
  //           Color(0xFFFFB5B5),
  //         ],
  //       );
  //     case "green":
  //     default:
  //       return const LinearGradient(
  //         begin: Alignment.topLeft,
  //         end: Alignment.bottomRight,
  //         colors: [
  //           Color(0xFFE9FFDD),
  //           Color(0xFFB5FFD1),
  //         ],
  //       );
  //   }
  // }

  void showPaymentBottomSheet(
      BuildContext context, {
        String? payTotal = "4218",
        String? payBill = "",
      }) {
    showModalBottomSheet(
      context: context,
      isScrollControlled: true, // This is important
      backgroundColor: Colors.transparent,
      isDismissible: true,
      enableDrag: true,
      builder: (BuildContext context) {
        return PaymentBottomSheetContent(
          payTotal: payTotal,
          payBill: payBill,
          flag: false,
        );
      },
    );
  }


}


class PaymentBottomSheetContent extends StatefulWidget {
  final String? payTotal;
  final String? payBill;
  final bool flag;

  const PaymentBottomSheetContent({
    super.key,
    this.payTotal,
    this.payBill,
    required this.flag,
  });

  @override
  State<PaymentBottomSheetContent> createState() => _PaymentBottomSheetContentState();
}

class _PaymentBottomSheetContentState extends State<PaymentBottomSheetContent> {
  int selectedOption = -1; // -1 = none, 0 = total, 1 = bill, 2 = part
  final TextEditingController partAmountController = TextEditingController();
  final FocusNode partAmountFocusNode = FocusNode();

  @override
  void initState() {
    super.initState();

    // Auto-focus when part payment is selected
    partAmountFocusNode.addListener(() {
      if (selectedOption == 2 && partAmountFocusNode.hasFocus) {
        // Ensure the bottom sheet scrolls to show the text field
        Future.delayed(const Duration(milliseconds: 300), () {
          Scrollable.ensureVisible(
            partAmountFocusNode.context!,
            duration: const Duration(milliseconds: 300),
          );
        });
      }
    });
  }

  @override
  void dispose() {
    partAmountController.dispose();
    partAmountFocusNode.dispose();
    super.dispose();
  }

  void _handleRadioChange(int? value) {
    setState(() {
      selectedOption = value!;
    });

    // Auto-focus on part amount field when part payment is selected
    if (value == 2) {
      Future.delayed(const Duration(milliseconds: 100), () {
        partAmountFocusNode.requestFocus();
      });
    } else {
      // Clear focus when other options are selected
      partAmountFocusNode.unfocus();
    }
  }

  void _handleContinuePayment() {
    // ✅ Validation
    if (selectedOption == -1) {
      ScaffoldMessenger.of(context).showSnackBar(
        const SnackBar(
          content: Text("Please select a payment option."),
          backgroundColor: Colors.redAccent,
        ),
      );
      return;
    }

    if (selectedOption == 2) {
      if (partAmountController.text.isEmpty) {
        ScaffoldMessenger.of(context).showSnackBar(
          const SnackBar(
            content: Text("Please enter amount for part payment."),
            backgroundColor: Colors.redAccent,
          ),
        );
        return;
      }

      final amount = double.tryParse(partAmountController.text.trim());
      if (amount == null || amount <= 0) {
        ScaffoldMessenger.of(context).showSnackBar(
          const SnackBar(
            content: Text("Please enter a valid amount."),
            backgroundColor: Colors.redAccent,
          ),
        );
        return;
      }
    }

    Navigator.pop(context);
    String selectedText = selectedOption == 0
        ? "Pay Total ₹${widget.payTotal}"
        : selectedOption == 1
        ? "Pay Bill ₹${widget.payBill}"
        : "Part Payment ₹${partAmountController.text}";

    ScaffoldMessenger.of(context).showSnackBar(
      SnackBar(
        content: Text("Selected: $selectedText"),
        backgroundColor: Colors.green,
      ),
    );
  }

  @override
  Widget build(BuildContext context) {
    final mediaQuery = MediaQuery.of(context);
    final bottomPadding = mediaQuery.viewInsets.bottom;

    return AnimatedPadding(
      padding: EdgeInsets.only(bottom: bottomPadding),
      duration: const Duration(milliseconds: 300),
      child: SafeArea(
        child: Container(
          decoration: const BoxDecoration(
            color: Colors.white,
            borderRadius: BorderRadius.only(
              topLeft: Radius.circular(24),
              topRight: Radius.circular(24),
            ),
          ),
          child: SingleChildScrollView(
            // Add this to make it scrollable when keyboard is open
            child: Padding(
              padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 14),
              child: Column(
                mainAxisSize: MainAxisSize.min,
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  // Header handle
                  Center(
                    child: Container(
                      width: 40,
                      height: 4,
                      decoration: BoxDecoration(
                        color: Colors.grey.shade300,
                        borderRadius: BorderRadius.circular(2),
                      ),
                    ),
                  ),
                  const SizedBox(height: 20),

                  Text(
                    "Balance Amount Bill",
                    style: TextStyle(
                      fontSize: 14,
                      fontWeight: FontWeight.w500,
                      color: AppColors.normalText,
                    ),
                  ),
                  const SizedBox(height: 16),
                  const Divider(height: 1, color: Color(0xFFEEEEEE)),
                  const SizedBox(height: 16),

                  // ====== PAY OPTIONS ======
                  Column(
                    crossAxisAlignment: CrossAxisAlignment.start,
                    children: [
                      // Pay Total
                      Row(
                        mainAxisAlignment: MainAxisAlignment.spaceBetween,
                        children: [
                          Row(
                            children: [
                              Radio<int>(
                                value: 0,
                                groupValue: selectedOption,
                                onChanged: _handleRadioChange,
                                activeColor: const Color(0xFF008CDE),
                              ),
                              Column(
                                crossAxisAlignment: CrossAxisAlignment.start,
                                children: [
                                  const Text(
                                    "Pay Total",
                                    style: TextStyle(
                                      fontSize: 14,
                                      fontWeight: FontWeight.w400,
                                      color: Colors.black87,
                                    ),
                                  ),
                                  Text(
                                    "Avoid late payment fees.",
                                    style: TextStyle(
                                      fontSize: 13,
                                      fontWeight: FontWeight.w400,
                                      color: Colors.green.shade600,
                                    ),
                                  ),
                                ],
                              ),
                            ],
                          ),
                          Text(
                            "₹${widget.payTotal}",
                            style: const TextStyle(
                              fontSize: 14,
                              fontWeight: FontWeight.w500,
                              color: Colors.black,
                            ),
                          ),
                        ],
                      ),

                      // Pay Bill
                      if (widget.flag == true)
                      Row(
                        mainAxisAlignment: MainAxisAlignment.spaceBetween,
                        children: [
                          Row(
                            children: [
                              Radio<int>(
                                value: 1,
                                groupValue: selectedOption,
                                onChanged: _handleRadioChange,
                                activeColor: const Color(0xFF008CDE),
                              ),
                              const Text(
                                "Pay Bill",
                                style: TextStyle(
                                  fontSize: 14,
                                  fontWeight: FontWeight.w400,
                                  color: Colors.black87,
                                ),
                              ),
                            ],
                          ),
                          Text(
                            "₹${widget.payBill}",
                            style: const TextStyle(
                              fontSize: 14,
                              fontWeight: FontWeight.w500,
                              color: Colors.black,
                            ),
                          ),
                        ],
                      ),

                      // Part Payment
                      Row(
                        mainAxisAlignment: MainAxisAlignment.spaceBetween,
                        children: [
                          Expanded(
                            child: Row(
                              children: [
                                Radio<int>(
                                  value: 2,
                                  groupValue: selectedOption,
                                  onChanged: _handleRadioChange,
                                  activeColor: const Color(0xFF008CDE),
                                ),
                                const Text(
                                  "Part Payment",
                                  style: TextStyle(
                                    fontSize: 14,
                                    fontWeight: FontWeight.w400,
                                    color: Colors.black87,
                                  ),
                                ),
                                const SizedBox(width: 10),
                                if (selectedOption == 2)
                                  Expanded(
                                    child: Container(
                                      height: 50,
                                      alignment: Alignment.center,
                                      decoration: BoxDecoration(
                                        color: Colors.grey.shade100,
                                        borderRadius: BorderRadius.circular(12),
                                      ),
                                      child: TextField(
                                        controller: partAmountController,
                                        focusNode: partAmountFocusNode,
                                        keyboardType: TextInputType.number,
                                        textAlign: TextAlign.right,
                                        style: const TextStyle(
                                          fontSize: 14,
                                          fontWeight: FontWeight.w500,
                                          color: Colors.black,
                                        ),
                                        decoration: const InputDecoration(
                                          hintText: "Enter amount",
                                          hintStyle: TextStyle(
                                            color: Colors.grey,
                                            fontSize: 14,
                                          ),
                                          border: InputBorder.none,
                                          contentPadding: EdgeInsets.symmetric(horizontal: 12, vertical: 8),
                                          prefixText: "₹",
                                          prefixStyle: TextStyle(
                                            color: Colors.black,
                                            fontSize: 14,
                                            fontWeight: FontWeight.w500,
                                          ),
                                        ),
                                        onChanged: (value) {
                                          // Optional: Add real-time validation if needed
                                          setState(() {});
                                        },
                                      ),
                                    ),
                                  ),
                              ],
                            ),
                          ),
                        ],
                      ),
                    ],
                  ),

                  const SizedBox(height: 18),
                  const Divider(height: 1, color: Color(0xFFEEEEEE)),
                  const SizedBox(height: 18),

                  // Continue Payment Button
                  SizedBox(
                    width: double.infinity,
                    child: ElevatedButton(
                      onPressed: _handleContinuePayment,
                      style: ElevatedButton.styleFrom(
                        backgroundColor: const Color(0xFF008CDE),
                        foregroundColor: Colors.white,
                        shape: RoundedRectangleBorder(
                          borderRadius: BorderRadius.circular(30),
                        ),
                        padding: const EdgeInsets.symmetric(vertical: 16),
                      ),
                      child: Padding(
                        padding: const EdgeInsets.symmetric(horizontal: 22),
                        child: Row(
                          mainAxisAlignment: MainAxisAlignment.spaceBetween,
                          children: [
                            const Text(
                              "Continue Payment",
                              style: TextStyle(
                                color: Colors.white,
                                fontSize: 16,
                              ),
                            ),
                            SvgPicture.asset(
                              "assets/svg/continue_ic.svg",
                              color: Colors.white,
                              height: 25,
                              width: 25,
                            ),
                          ],
                        ),
                      ),
                    ),
                  ),

                  // Add extra space at bottom for better visibility
                  SizedBox(height: mediaQuery.viewInsets.bottom > 0 ? 20 : 0),
                ],
              ),
            ),
          ),
        ),
      ),
    );
  }
}