import 'package:cached_network_image/cached_network_image.dart';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'package:pulse/Screens/authScreen/LoginScreen.dart';
import 'package:pulse/Screens/home_screen.dart';
import 'package:pulse/utils/AppColors.dart';
import 'package:pulse/utils/SharedpreferencesService.dart';

class ProfileScreen extends StatefulWidget {
  final String sessionId;
  final String staffId;
  final String csrfToken;
  final String userName;
  final String userEmail;
  final String profileImageUrl;

  const ProfileScreen({
    Key? key,
    required this.sessionId,
    required this.staffId,
    required this.csrfToken,
    this.userName = "User Name",
    this.userEmail = "user@example.com",
    this.profileImageUrl = "",
  }) : super(key: key);

  @override
  State<ProfileScreen> createState() => _ProfileScreenState();
}

class _ProfileScreenState extends State<ProfileScreen> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: AppColors.primaryColor,
      body: SafeArea(
        child: Column(
          children: [
            // Custom App Bar
            _buildCustomAppBar(),
            Expanded(
              child: SingleChildScrollView(
                padding: const EdgeInsets.all(24),
                child: Column(
                  children: [
                    // Profile Header Section
                    _buildProfileHeader(),
                    const SizedBox(height: 40),

                    // Profile Information Cards
                    _buildProfileInfoCards(),

                    const SizedBox(height: 40),
                  ],
                ),
              ),
            ),

            // Logout Button
            _buildLogoutButton(),
          ],
        ),
      ),
    );
  }

  Widget _buildCustomAppBar() {
    return Container(
      padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
      decoration: BoxDecoration(
        color: AppColors.primaryColor,
        boxShadow: [
          BoxShadow(
            color: Colors.black.withOpacity(0.1),
            blurRadius: 8,
            offset: const Offset(0, 2),
          ),
        ],
      ),
      child: Row(
        children: [
          Container(
            decoration: BoxDecoration(
              shape: BoxShape.circle,
              color: Colors.white.withOpacity(0.1),
            ),
            child: IconButton(
              icon: const Icon(Icons.arrow_back, color: Colors.white),
              onPressed: () => Navigator.pop(context),
            ),
          ),
          const SizedBox(width: 16),
          const Text(
            "Profile",
            style: TextStyle(
              fontSize: 20,
              fontFamily: 'JakartaRegular',
              fontWeight: FontWeight.w700,
              color: Colors.white,
            ),
          ),
        ],
      ),
    );
  }

  Widget _buildProfileHeader() {
    return Column(
      children: [
        // Profile Picture with Decorative Ring
        Stack(
          alignment: Alignment.center,
          children: [
            // Outer Ring
            Container(
              width: 148,
              height: 148,
              decoration: BoxDecoration(
                borderRadius: BorderRadius.circular(28),
                shape: BoxShape.rectangle,
                gradient: LinearGradient(
                  begin: Alignment.topLeft,
                  end: Alignment.bottomRight,
                  colors: [
                    Colors.white.withOpacity(0.3),
                    Colors.white.withOpacity(0.1),
                  ],
                ),
              ),
            ),

            // Profile Image Container
            Container(
              width: 140,
              height: 140,
              decoration: BoxDecoration(
                borderRadius: BorderRadius.circular(25),
                color: Colors.white.withOpacity(0.1),
                border: Border.all(
                  color: Colors.white.withOpacity(0.4),
                  width: 3,
                ),
                boxShadow: [
                  BoxShadow(
                    color: Colors.black.withOpacity(0.3),
                    blurRadius: 15,
                    offset: const Offset(0, 6),
                  ),
                ],
              ),
              child: widget.profileImageUrl.isNotEmpty
                  ? ClipRRect(
                borderRadius: BorderRadius.circular(22),
                child: CachedNetworkImage(
                  imageUrl: widget.profileImageUrl,
                  width: 140,
                  height: 140,
                  fit: BoxFit.cover,
                  placeholder: (context, url) => Container(
                    decoration: BoxDecoration(
                      color: AppColors.cardColor,
                      borderRadius: BorderRadius.circular(22),
                    ),
                    child: const Center(
                      child: CircularProgressIndicator(
                        strokeWidth: 2,
                        valueColor: AlwaysStoppedAnimation<Color>(Colors.white),
                      ),
                    ),
                  ),
                  errorWidget: (context, url, error) => Container(
                    decoration: BoxDecoration(
                      color: AppColors.cardColor,
                      borderRadius: BorderRadius.circular(22),
                    ),
                    child: const Center(
                      child: Icon(Icons.person, color: Colors.white, size: 50),
                    ),
                  ),
                ),
              )
                  : Center(
                child: Icon(
                  Icons.person,
                  size: 60,
                  color: Colors.white.withOpacity(0.7),
                ),
              ),
            ),
          ],
        ),
        const SizedBox(height: 24),

        // User Name with Welcome Text
        Column(
          children: [
            Text(
              "Welcome Back,",
              style: TextStyle(
                fontSize: 16,
                fontFamily: 'JakartaRegular',
                color: Colors.white.withOpacity(0.8),
              ),
            ),
            const SizedBox(height: 4),
            Text(
              widget.userName,
              style: const TextStyle(
                fontSize: 24,
                fontFamily: 'JakartaRegular',
                fontWeight: FontWeight.w700,
                color: Colors.white,
              ),
              textAlign: TextAlign.center,
            ),
          ],
        ),
      ],
    );
  }

  Widget _buildProfileInfoCards() {
    return Column(
      children: [
        // Personal Information Card
        Container(
          width: double.infinity,
          padding: const EdgeInsets.all(20),
          decoration: BoxDecoration(
            color: Colors.white.withOpacity(0.08),
            borderRadius: BorderRadius.circular(20),
            border: Border.all(
              color: Colors.white.withOpacity(0.1),
            ),
          ),
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              // Section Title
              Row(
                children: [
                  Container(
                    padding: const EdgeInsets.all(6),
                    decoration: BoxDecoration(
                      color: Colors.white.withOpacity(0.1),
                      shape: BoxShape.circle,
                    ),
                    child: const Icon(
                      Icons.info,
                      color: Colors.white,
                      size: 18,
                    ),
                  ),
                  const SizedBox(width: 12),
                  const Text(
                    "Personal Information",
                    style: TextStyle(
                      fontSize: 16,
                      fontFamily: 'JakartaRegular',
                      fontWeight: FontWeight.w600,
                      color: Colors.white,
                    ),
                  ),
                ],
              ),
              const SizedBox(height: 20),

              // Information Items
              _buildInfoItem(
                icon: Icons.person_outline,
                label: "Full Name",
                value: widget.userName,
              ),
              const SizedBox(height: 16),

              _buildInfoItem(
                icon: Icons.email_outlined,
                label: "Email Address",
                value: widget.userEmail,
              ),
              const SizedBox(height: 16),

              // _buildInfoItem(
              //   icon: Icons.badge_outlined,
              //   label: "Staff ID",
              //   value: widget.staffId,
              // ),
            ],
          ),
        ),
      ],
    );
  }

  Widget _buildInfoItem({
    required IconData icon,
    required String label,
    required String value,
  }) {
    return Row(
      crossAxisAlignment: CrossAxisAlignment.start,
      children: [
        Container(
          padding: const EdgeInsets.all(8),
          decoration: BoxDecoration(
            color: Colors.white.withOpacity(0.05),
            borderRadius: BorderRadius.circular(10),
          ),
          child: Icon(
            icon,
            color: Colors.white.withOpacity(0.7),
            size: 20,
          ),
        ),
        const SizedBox(width: 16),
        Expanded(
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              Text(
                label,
                style: TextStyle(
                  fontSize: 12,
                  fontFamily: 'JakartaRegular',
                  color: Colors.white.withOpacity(0.6),
                ),
              ),
              const SizedBox(height: 4),
              Text(
                value,
                style: const TextStyle(
                  fontSize: 16,
                  fontFamily: 'JakartaRegular',
                  fontWeight: FontWeight.w500,
                  color: Colors.white,
                ),
              ),
            ],
          ),
        ),
      ],
    );
  }

  Widget _buildLogoutButton() {
    return Container(
      width: double.infinity,
      padding: const EdgeInsets.all(24),
      decoration: BoxDecoration(
        color: AppColors.primaryColor,
        border: Border(
          top: BorderSide(
            color: Colors.white.withOpacity(0.1),
          ),
        ),
      ),
      child: ElevatedButton(
        onPressed: () {
          _showLogoutConfirmationDialog();
        },
        style: ElevatedButton.styleFrom(
          backgroundColor: Colors.redAccent.withOpacity(0.9),
          foregroundColor: Colors.white,
          padding: const EdgeInsets.symmetric(vertical: 16, horizontal: 24),
          shape: RoundedRectangleBorder(
            borderRadius: BorderRadius.circular(15),
            side: BorderSide(
              color: Colors.white.withOpacity(0.2),
            ),
          ),
          elevation: 0,
        ),
        child: Row(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            Icon(
              Icons.logout_rounded,
              color: Colors.white.withOpacity(0.9),
              size: 22,
            ),
            const SizedBox(width: 12),
            Text(
              "Logout",
              style: TextStyle(
                fontSize: 16,
                fontFamily: 'JakartaRegular',
                fontWeight: FontWeight.w600,
                color: Colors.white.withOpacity(0.9),
              ),
            ),
          ],
        ),
      ),
    );
  }

  void _showLogoutConfirmationDialog() {
    showDialog(
      context: context,
      builder: (BuildContext context) {
        return Dialog(
          backgroundColor: Colors.transparent,
          child: Container(
            decoration: BoxDecoration(
              color: Colors.white,
              borderRadius: BorderRadius.circular(20),
            ),
            child: Padding(
              padding: const EdgeInsets.all(24),
              child: Column(
                mainAxisSize: MainAxisSize.min,
                children: [
                  // Icon
                  Container(
                    padding: const EdgeInsets.all(16),
                    decoration: BoxDecoration(
                      color: const Color(0xFFFEF2F2),
                      shape: BoxShape.circle,
                    ),
                    child: const Icon(
                      Icons.logout_rounded,
                      color: Color(0xFFEF4444),
                      size: 32,
                    ),
                  ),
                  const SizedBox(height: 16),

                  // Title
                  const Text(
                    "Logout Confirmation",
                    style: TextStyle(
                      fontSize: 18,
                      fontFamily: 'JakartaRegular',
                      fontWeight: FontWeight.w700,
                      color: Colors.black,
                    ),
                  ),
                  const SizedBox(height: 8),

                  // Message
                  Text(
                    "Are you sure you want to logout?",
                    style: TextStyle(
                      fontSize: 14,
                      fontFamily: 'JakartaRegular',
                      color: Colors.grey.shade600,
                    ),
                    textAlign: TextAlign.center,
                  ),
                  const SizedBox(height: 24),

                  // Buttons
                  Row(
                    children: [
                      Expanded(
                        child: OutlinedButton(
                          onPressed: () => Navigator.pop(context),
                          style: OutlinedButton.styleFrom(
                            foregroundColor: Colors.grey.shade700,
                            side: BorderSide(color: Colors.grey.shade400),
                            padding: const EdgeInsets.symmetric(vertical: 12),
                            shape: RoundedRectangleBorder(
                              borderRadius: BorderRadius.circular(10),
                            ),
                          ),
                          child: const Text("Cancel"),
                        ),
                      ),
                      const SizedBox(width: 12),
                      Expanded(
                        child: ElevatedButton(
                          onPressed: () async {
                            Navigator.pop(context); // Close dialog first
                            await _performLogout();
                          },
                          style: ElevatedButton.styleFrom(
                            backgroundColor: const Color(0xFFEF4444),
                            foregroundColor: Colors.white,
                            padding: const EdgeInsets.symmetric(vertical: 12),
                            shape: RoundedRectangleBorder(
                              borderRadius: BorderRadius.circular(10),
                            ),
                          ),
                          child: const Text("Logout"),
                        ),
                      ),
                    ],
                  ),
                ],
              ),
            ),
          ),
        );
      },
    );
  }

  Future<void> _performLogout() async {
    // Show loading indicator
    showDialog(
      context: context,
      barrierDismissible: false,
      builder: (context) => Dialog(
        backgroundColor: Colors.transparent,
        child: Container(
          padding: const EdgeInsets.all(24),
          decoration: BoxDecoration(
            color: Colors.white,
            borderRadius: BorderRadius.circular(15),
          ),
          child: const Column(
            mainAxisSize: MainAxisSize.min,
            children: [
              CircularProgressIndicator(
                valueColor: AlwaysStoppedAnimation<Color>(AppColors.primaryColor),
              ),
              SizedBox(height: 16),
              Text(
                "Logging out...",
                style: TextStyle(
                  fontFamily: 'JakartaRegular',
                  fontWeight: FontWeight.w500,
                ),
              ),
            ],
          ),
        ),
      ),
    );

    try {
      // Your logout logic here
      final prefs = SharedPreferencesService.instance;
      await prefs.remove("email");
      await prefs.remove("password");
      await prefs.remove("sessionId");
      await prefs.remove("staffId");

      // Navigate to LoginScreen and remove all previous routes
      if (mounted) {
        Navigator.pushAndRemoveUntil(
          context,
          MaterialPageRoute(builder: (_) => const LoginScreen()),
              (route) => false,
        );
      }
    } catch (e) {
      if (mounted) {
        Navigator.pop(context); // Close loading indicator
        ScaffoldMessenger.of(context).showSnackBar(
          SnackBar(
            content: Text('Logout failed: $e'),
            backgroundColor: Colors.red,
          ),
        );
      }
    }
  }
}