EM2_ERP/em2rp/lib/views/widgets/common/update_dialog.dart

import 'package:flutter/material.dart';
import 'package:em2rp/services/update_service.dart';
import 'package:em2rp/utils/colors.dart';

/// Dialog pour informer l'utilisateur d'une mise à jour disponible
class UpdateDialog extends StatelessWidget {
  final UpdateInfo updateInfo;

  const UpdateDialog({
    super.key,
    required this.updateInfo,
  });

  @override
  Widget build(BuildContext context) {
    return PopScope(
      // Empêcher la fermeture si c'est une mise à jour forcée
      canPop: !updateInfo.forceUpdate,
      child: AlertDialog(
        title: Row(
          children: [
            Icon(
              updateInfo.forceUpdate ? Icons.update : Icons.system_update,
              color: updateInfo.forceUpdate ? Colors.orange : AppColors.rouge,
              size: 28,
            ),
            const SizedBox(width: 12),
            Expanded(
              child: Text(
                updateInfo.forceUpdate
                    ? 'Mise à jour requise'
                    : 'Mise à jour disponible',
                style: const TextStyle(fontSize: 20),
              ),
            ),
          ],
        ),
        content: Column(
          mainAxisSize: MainAxisSize.min,
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            // Versions
            Container(
              padding: const EdgeInsets.all(12),
              decoration: BoxDecoration(
                color: Colors.grey[100],
                borderRadius: BorderRadius.circular(8),
              ),
              child: Column(
                children: [
                  Row(
                    mainAxisAlignment: MainAxisAlignment.spaceBetween,
                    children: [
                      const Text(
                        'Version actuelle :',
                        style: TextStyle(fontWeight: FontWeight.w500),
                      ),
                      Text(
                        updateInfo.currentVersion,
                        style: const TextStyle(
                          fontFamily: 'monospace',
                          color: Colors.grey,
                        ),
                      ),
                    ],
                  ),
                  const SizedBox(height: 8),
                  Row(
                    mainAxisAlignment: MainAxisAlignment.spaceBetween,
                    children: [
                      const Text(
                        'Nouvelle version :',
                        style: TextStyle(fontWeight: FontWeight.bold),
                      ),
                      Text(
                        updateInfo.newVersion,
                        style: const TextStyle(
                          fontFamily: 'monospace',
                          fontWeight: FontWeight.bold,
                          color: AppColors.rouge,
                        ),
                      ),
                    ],
                  ),
                ],
              ),
            ),

            const SizedBox(height: 16),

            // Message principal
            if (updateInfo.forceUpdate) ...[
              Container(
                padding: const EdgeInsets.all(12),
                decoration: BoxDecoration(
                  color: Colors.orange.withValues(alpha: 0.1),
                  borderRadius: BorderRadius.circular(8),
                  border: Border.all(color: Colors.orange, width: 2),
                ),
                child: const Row(
                  children: [
                    Icon(Icons.warning, color: Colors.orange),
                    SizedBox(width: 12),
                    Expanded(
                      child: Text(
                        'Cette mise à jour est obligatoire pour continuer à utiliser l\'application.',
                        style: TextStyle(
                          fontWeight: FontWeight.bold,
                          color: Colors.orange,
                        ),
                      ),
                    ),
                  ],
                ),
              ),
              const SizedBox(height: 16),
            ],

            Text(
              updateInfo.forceUpdate
                  ? 'L\'application va se recharger pour appliquer la mise à jour.'
                  : 'Une nouvelle version de l\'application est disponible. Voulez-vous mettre à jour maintenant ?',
              style: const TextStyle(fontSize: 15),
            ),

            // Notes de version
            if (updateInfo.releaseNotes != null &&
                updateInfo.releaseNotes!.isNotEmpty) ...[
              const SizedBox(height: 16),
              const Text(
                'Nouveautés :',
                style: TextStyle(
                  fontWeight: FontWeight.bold,
                  fontSize: 15,
                ),
              ),
              const SizedBox(height: 8),
              Container(
                padding: const EdgeInsets.all(12),
                decoration: BoxDecoration(
                  color: Colors.blue.withValues(alpha: 0.05),
                  borderRadius: BorderRadius.circular(8),
                  border: Border.all(color: Colors.blue.withValues(alpha: 0.2)),
                ),
                child: Text(
                  updateInfo.releaseNotes!,
                  style: const TextStyle(fontSize: 14),
                ),
              ),
            ],
          ],
        ),
        actions: [
          if (!updateInfo.forceUpdate)
            TextButton(
              onPressed: () => Navigator.of(context).pop(),
              child: const Text('Plus tard'),
            ),
          ElevatedButton.icon(
            onPressed: () async {
              Navigator.of(context).pop();
              // Recharger l'application
              await UpdateService.reloadApp();
            },
            icon: const Icon(Icons.refresh, color: Colors.white),
            label: Text(
              updateInfo.forceUpdate ? 'Mettre à jour' : 'Mettre à jour maintenant',
              style: const TextStyle(color: Colors.white),
            ),
            style: ElevatedButton.styleFrom(
              backgroundColor: updateInfo.forceUpdate ? Colors.orange : AppColors.rouge,
              padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 12),
            ),
          ),
        ],
      ),
    );
  }
}

/// Widget pour vérifier automatiquement les mises à jour
class UpdateChecker extends StatefulWidget {
  final Widget child;

  const UpdateChecker({
    super.key,
    required this.child,
  });

  @override
  State<UpdateChecker> createState() => _UpdateCheckerState();
}

class _UpdateCheckerState extends State<UpdateChecker> {
  @override
  void initState() {
    super.initState();
    _checkForUpdate();
  }

  Future<void> _checkForUpdate() async {
    final updateInfo = await UpdateService.checkOnStartup();

    if (updateInfo != null && mounted) {
      // Attendre que l'interface soit complètement chargée
      WidgetsBinding.instance.addPostFrameCallback((_) {
        if (mounted) {
          showDialog(
            context: context,
            barrierDismissible: !updateInfo.forceUpdate,
            builder: (context) => UpdateDialog(updateInfo: updateInfo),
          );
        }
      });
    }
  }

  @override
  Widget build(BuildContext context) {
    return widget.child;
  }
}