geo/app/lib/presentation/widgets/result_dialog.dart

import 'package:flutter/material.dart';
import 'dart:ui';

/// Dialog de résultat centré avec animation
/// Affiche un résultat de succès ou d'erreur de manière élégante
class ResultDialog extends StatefulWidget {
  final bool success;
  final String message;
  final Duration? autoDismiss;

  const ResultDialog({
    super.key,
    required this.success,
    required this.message,
    this.autoDismiss,
  });

  /// Affiche un dialog de résultat centré
  ///
  /// [success] : true pour succès, false pour erreur
  /// [message] : Message à afficher
  /// [autoDismiss] : Durée avant fermeture automatique (optionnel, uniquement pour succès)
  static Future<void> show({
    required BuildContext context,
    required bool success,
    required String message,
    Duration? autoDismiss,
  }) async {
    return showDialog(
      context: context,
      barrierDismissible: false,
      barrierColor: Colors.black54,
      builder: (context) => ResultDialog(
        success: success,
        message: message,
        autoDismiss: success ? (autoDismiss ?? const Duration(seconds: 2)) : null,
      ),
    );
  }

  @override
  State<ResultDialog> createState() => _ResultDialogState();
}

class _ResultDialogState extends State<ResultDialog>
    with SingleTickerProviderStateMixin {
  late AnimationController _controller;
  late Animation<double> _scaleAnimation;
  late Animation<double> _fadeAnimation;

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

    _controller = AnimationController(
      vsync: this,
      duration: const Duration(milliseconds: 400),
    );

    _scaleAnimation = CurvedAnimation(
      parent: _controller,
      curve: Curves.elasticOut,
    );

    _fadeAnimation = Tween<double>(
      begin: 0.0,
      end: 1.0,
    ).animate(CurvedAnimation(
      parent: _controller,
      curve: const Interval(0.0, 0.5, curve: Curves.easeOut),
    ));

    _controller.forward();

    // Auto-fermeture si demandé
    if (widget.autoDismiss != null) {
      Future.delayed(widget.autoDismiss!, () {
        if (mounted) {
          Navigator.of(context).pop();
        }
      });
    }
  }

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

  @override
  Widget build(BuildContext context) {
    return FadeTransition(
      opacity: _fadeAnimation,
      child: BackdropFilter(
        filter: ImageFilter.blur(
          sigmaX: 8.0,
          sigmaY: 8.0,
        ),
        child: Dialog(
          backgroundColor: Colors.transparent,
          elevation: 0,
          child: ScaleTransition(
            scale: _scaleAnimation,
            child: _buildContent(context),
          ),
        ),
      ),
    );
  }

  Widget _buildContent(BuildContext context) {
    final theme = Theme.of(context);
    final iconColor = widget.success ? Colors.green : Colors.red;
    final icon = widget.success ? Icons.check_circle : Icons.error;

    return Container(
      constraints: const BoxConstraints(
        maxWidth: 340,
      ),
      padding: const EdgeInsets.all(32),
      decoration: BoxDecoration(
        color: Colors.white,
        borderRadius: BorderRadius.circular(20),
        boxShadow: [
          BoxShadow(
            color: Colors.black.withOpacity(0.2),
            blurRadius: 24,
            spreadRadius: 4,
            offset: const Offset(0, 10),
          ),
        ],
      ),
      child: Column(
        mainAxisSize: MainAxisSize.min,
        children: [
          // Icône principale
          Container(
            width: 80,
            height: 80,
            decoration: BoxDecoration(
              color: iconColor.withOpacity(0.1),
              shape: BoxShape.circle,
            ),
            child: Icon(
              icon,
              size: 50,
              color: iconColor,
            ),
          ),

          const SizedBox(height: 24),

          // Message
          Text(
            widget.message,
            style: theme.textTheme.titleMedium?.copyWith(
              fontSize: 17,
              fontWeight: FontWeight.w500,
              color: Colors.grey[800],
              height: 1.4,
            ),
            textAlign: TextAlign.center,
          ),

          // Bouton OK pour les erreurs
          if (!widget.success) ...[
            const SizedBox(height: 28),
            SizedBox(
              width: double.infinity,
              child: ElevatedButton(
                onPressed: () => Navigator.of(context).pop(),
                style: ElevatedButton.styleFrom(
                  backgroundColor: iconColor,
                  foregroundColor: Colors.white,
                  padding: const EdgeInsets.symmetric(vertical: 14),
                  shape: RoundedRectangleBorder(
                    borderRadius: BorderRadius.circular(12),
                  ),
                  elevation: 0,
                ),
                child: const Text(
                  'OK',
                  style: TextStyle(
                    fontSize: 16,
                    fontWeight: FontWeight.w600,
                    letterSpacing: 0.5,
                  ),
                ),
              ),
            ),
          ],
        ],
      ),
    );
  }
}