/// Edit Profile Dialog Widget
library;

import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:image_picker/image_picker.dart';
import '../../../core/theme/colors.dart';
import '../../../core/theme/text_styles.dart';
import '../../../domain/entities/user.dart';
import '../../providers/settings_provider.dart';

/// Edit profile dialog
class EditProfileDialog extends ConsumerStatefulWidget {
  const EditProfileDialog({
    super.key,
    required this.user,
  });

  final User user;

  @override
  ConsumerState<EditProfileDialog> createState() => _EditProfileDialogState();
}

class _EditProfileDialogState extends ConsumerState<EditProfileDialog> {
  late final TextEditingController _displayNameController;
  final ImagePicker _imagePicker = ImagePicker();
  String? _avatarUrl;

  @override
  void initState() {
    super.initState();
    _displayNameController = TextEditingController(
      text: widget.user.displayName ?? widget.user.username,
    );
    _avatarUrl = widget.user.avatarUrl;
  }

  @override
  void dispose() {
    _displayNameController.dispose();
    super.dispose();
  }

  Future<void> _pickImage() async {
    try {
      final XFile? image = await _imagePicker.pickImage(
        source: ImageSource.gallery,
        maxWidth: 512,
        maxHeight: 512,
        imageQuality: 85,
      );

      if (image != null && mounted) {
        // For now, just show the selected image
        // In production, you would upload this to your server
        setState(() {
          _avatarUrl = image.path;
        });

        ScaffoldMessenger.of(context).showSnackBar(
          SnackBar(
            content: Text(
              'Image selected. Note: Avatar upload requires server implementation.',
              style: AppTextStyles.body.copyWith(
                color: Colors.white,
              ),
            ),
            backgroundColor: AppColors.info,
            behavior: SnackBarBehavior.floating,
            duration: const Duration(seconds: 3),
            shape: RoundedRectangleBorder(
              borderRadius: BorderRadius.circular(10),
            ),
          ),
        );
      }
    } catch (e) {
      if (mounted) {
        ScaffoldMessenger.of(context).showSnackBar(
          SnackBar(
            content: Text(
              'Failed to pick image: ${e.toString()}',
              style: AppTextStyles.body.copyWith(
                color: Colors.white,
              ),
            ),
            backgroundColor: AppColors.error,
            behavior: SnackBarBehavior.floating,
            shape: RoundedRectangleBorder(
              borderRadius: BorderRadius.circular(10),
            ),
          ),
        );
      }
    }
  }

  Future<void> _saveProfile() async {
    final displayName = _displayNameController.text.trim();

    if (displayName.isEmpty) {
      ScaffoldMessenger.of(context).showSnackBar(
        SnackBar(
          content: Text(
            'Display name cannot be empty',
            style: AppTextStyles.body.copyWith(
              color: Colors.white,
            ),
          ),
          backgroundColor: AppColors.error,
          behavior: SnackBarBehavior.floating,
          shape: RoundedRectangleBorder(
            borderRadius: BorderRadius.circular(10),
          ),
        ),
      );
      return;
    }

    Navigator.pop(context);

    try {
      await ref.read(settingsProvider.notifier).updateProfile(
            displayName: displayName,
            avatarUrl: _avatarUrl,
          );

      if (mounted) {
        ScaffoldMessenger.of(context).showSnackBar(
          SnackBar(
            content: Text(
              'Profile updated successfully',
              style: AppTextStyles.body.copyWith(
                color: Colors.white,
              ),
            ),
            backgroundColor: AppColors.vert,
            behavior: SnackBarBehavior.floating,
            shape: RoundedRectangleBorder(
              borderRadius: BorderRadius.circular(10),
            ),
          ),
        );
      }
    } catch (e) {
      if (mounted) {
        ScaffoldMessenger.of(context).showSnackBar(
          SnackBar(
            content: Text(
              'Failed to update profile: ${e.toString()}',
              style: AppTextStyles.body.copyWith(
                color: Colors.white,
              ),
            ),
            backgroundColor: AppColors.error,
            behavior: SnackBarBehavior.floating,
            shape: RoundedRectangleBorder(
              borderRadius: BorderRadius.circular(10),
            ),
          ),
        );
      }
    }
  }

  @override
  Widget build(BuildContext context) {
    return Dialog(
      backgroundColor: AppColors.surface,
      shape: RoundedRectangleBorder(
        borderRadius: BorderRadius.circular(20),
        side: BorderSide(
          color: AppColors.cyan.withOpacity(0.2),
          width: 1,
        ),
      ),
      child: Container(
        constraints: const BoxConstraints(maxWidth: 400),
        padding: const EdgeInsets.all(24),
        child: Column(
          mainAxisSize: MainAxisSize.min,
          crossAxisAlignment: CrossAxisAlignment.stretch,
          children: [
            // Header
            Row(
              children: [
                Text(
                  'Edit Profile',
                  style: AppTextStyles.h3.copyWith(
                    color: AppColors.onBackground,
                    fontWeight: FontWeight.w700,
                  ),
                ),
                const Spacer(),
                IconButton(
                  onPressed: () => Navigator.pop(context),
                  icon: const Icon(Icons.close),
                  color: AppColors.muted,
                ),
              ],
            ),
            const SizedBox(height: 24),
            // Avatar
            Center(
              child: GestureDetector(
                onTap: _pickImage,
                child: Stack(
                  children: [
                    Container(
                      width: 100,
                      height: 100,
                      decoration: BoxDecoration(
                        shape: BoxShape.circle,
                        gradient: AppColors.primaryGradient,
                        boxShadow: AppColors.cyanGlow,
                      ),
                      child: ClipOval(
                        child: _avatarUrl != null
                            // Check if it's a network URL or local file path
                            ? (_avatarUrl!.startsWith('http')
                                ? Image.network(
                                    _avatarUrl!,
                                    fit: BoxFit.cover,
                                    errorBuilder:
                                        (context, error, stackTrace) {
                                      return _buildDefaultAvatar();
                                    },
                                  )
                                : Image.file(
                                    // Use File for local path
                                    // ignore: unnecessary_null_comparison
                                    _avatarUrl != null
                                        ? _avatarUrl as Object
                                        : Object(),
                                    fit: BoxFit.cover,
                                    errorBuilder:
                                        (context, error, stackTrace) {
                                      return _buildDefaultAvatar();
                                    },
                                  ))
                            : _buildDefaultAvatar(),
                      ),
                    ),
                    Positioned(
                      bottom: 0,
                      right: 0,
                      child: Container(
                        width: 36,
                        height: 36,
                        decoration: BoxDecoration(
                          color: AppColors.cyan,
                          shape: BoxShape.circle,
                          border: Border.all(
                            color: AppColors.surface,
                            width: 3,
                          ),
                        ),
                        child: const Icon(
                          Icons.camera_alt_outlined,
                          color: AppColors.primary,
                          size: 18,
                        ),
                      ),
                    ),
                  ],
                ),
              ),
            ),
            const SizedBox(height: 16),
            Center(
              child: Text(
                'Tap to change photo',
                style: AppTextStyles.bodySmall.copyWith(
                  color: AppColors.cyan,
                ),
              ),
            ),
            const SizedBox(height: 24),
            // Display name field
            Text(
              'Display Name',
              style: AppTextStyles.label.copyWith(
                color: AppColors.onSurface,
                fontWeight: FontWeight.w600,
              ),
            ),
            const SizedBox(height: 8),
            TextField(
              controller: _displayNameController,
              style: AppTextStyles.body.copyWith(
                color: AppColors.onBackground,
              ),
              decoration: InputDecoration(
                hintText: 'Enter display name',
                hintStyle: AppTextStyles.body.copyWith(
                  color: AppColors.muted,
                ),
                filled: true,
                fillColor: AppColors.surfaceVariant.withOpacity(0.5),
                border: OutlineInputBorder(
                  borderRadius: BorderRadius.circular(12),
                  borderSide: BorderSide(
                    color: AppColors.cyan.withOpacity(0.2),
                    width: 2,
                  ),
                ),
                enabledBorder: OutlineInputBorder(
                  borderRadius: BorderRadius.circular(12),
                  borderSide: BorderSide(
                    color: AppColors.cyan.withOpacity(0.2),
                    width: 2,
                  ),
                ),
                focusedBorder: OutlineInputBorder(
                  borderRadius: BorderRadius.circular(12),
                  borderSide: const BorderSide(
                    color: AppColors.cyan,
                    width: 2,
                  ),
                ),
              ),
            ),
            const SizedBox(height: 24),
            // Buttons
            Row(
              children: [
                Expanded(
                  child: OutlinedButton(
                    onPressed: () => Navigator.pop(context),
                    style: OutlinedButton.styleFrom(
                      padding: const EdgeInsets.symmetric(vertical: 14),
                      side: BorderSide(
                        color: AppColors.muted.withOpacity(0.5),
                        width: 1.5,
                      ),
                      foregroundColor: AppColors.muted,
                    ),
                    child: Text(
                      'Cancel',
                      style: AppTextStyles.button,
                    ),
                  ),
                ),
                const SizedBox(width: 12),
                Expanded(
                  child: ElevatedButton(
                    onPressed: _saveProfile,
                    style: ElevatedButton.styleFrom(
                      padding: const EdgeInsets.symmetric(vertical: 14),
                      backgroundColor: AppColors.cyan,
                      foregroundColor: AppColors.primary,
                    ),
                    child: Text(
                      'Save',
                      style: AppTextStyles.button,
                    ),
                  ),
                ),
              ],
            ),
          ],
        ),
      ),
    );
  }

  Widget _buildDefaultAvatar() {
    final firstLetter = (widget.user.displayName ?? widget.user.username)
        .substring(0, 1)
        .toUpperCase();

    return Container(
      color: AppColors.surfaceVariant,
      child: Center(
        child: Text(
          firstLetter,
          style: AppTextStyles.h2.copyWith(
            color: AppColors.cyan,
            fontWeight: FontWeight.w700,
          ),
        ),
      ),
    );
  }
}