feat: merge branche IA (beta) - Intégration assistant IA logisticien Gemini

2026-05-25 23:35:40 +02:00
parent af5ecaeee1 7258509528
commit 32a279e0ae
15 changed files with 3394 additions and 163 deletions
@@ -222,7 +222,7 @@ class _EquipmentSelectionDialogState extends State<EquipmentSelectionDialog> {
    }
  }

-  /// Initialise la sélection avec le matériel déjà assigné
+  /// Initialise la slection avec le matriel dj assign
  Future<void> _initializeAlreadyAssigned() async {
    final Map<String, SelectedItem> initialSelection = {};

@@ -304,7 +304,7 @@ class _EquipmentSelectionDialogState extends State<EquipmentSelectionDialog> {

    try {
      final result = await _dataService.getEquipmentsPaginated(
-        limit: 25,
+        limit: 50,
        startAfter: _lastEquipmentId,
        searchQuery: _searchQuery.isNotEmpty ? _searchQuery : null,
        category: _selectedCategory != null
@@ -331,7 +331,7 @@ class _EquipmentSelectionDialogState extends State<EquipmentSelectionDialog> {
        DebugLog.info(
            '[EquipmentSelectionDialog] Loaded ${newEquipments.length} equipments, total: ${_paginatedEquipments.length}, hasMore: $_hasMoreEquipments');

-        // Charger les quantités pour les consommables/câbles de cette page
+        // Charger les quantites pour les consommables/cbles de cette page
        await _loadAvailableQuantities(newEquipments);

        // Si la liste ne peut pas scroller, précharger la page suivante.
@@ -354,7 +354,7 @@ class _EquipmentSelectionDialogState extends State<EquipmentSelectionDialog> {

    try {
      final result = await _dataService.getContainersPaginated(
-        limit: 25,
+        limit: 50,
        startAfter: _lastContainerId,
        searchQuery: _searchQuery.isNotEmpty ? _searchQuery : null,
        category: _selectedCategory?.name, // Filtre par catégorie d'équipements
@@ -421,7 +421,7 @@ class _EquipmentSelectionDialogState extends State<EquipmentSelectionDialog> {
        DebugLog.info(
            '[EquipmentSelectionDialog] Cached ${allEquipmentsToCache.length} equipment(s) from containers, total cache: ${_cachedEquipment.length}');

-        // Mettre à jour les statuts de conflit pour les nouveaux containers
+        // Mettre  jour les statuts de conflit pour les nouveaux containers
        await _updateContainerConflictStatus();

        // Si la liste ne peut pas scroller, précharger la page suivante.
@@ -454,6 +454,40 @@ class _EquipmentSelectionDialogState extends State<EquipmentSelectionDialog> {
    }
  }

+  void _checkIfMoreItemsNeeded() {
+    if (!mounted || _isLoadingMore) return;
+    
+    int visibleItems = 0;
+    if (_displayType == SelectionType.equipment) {
+      visibleItems = _paginatedEquipments.where((eq) {
+        return _showConflictingItems || !_conflictingEquipmentIds.contains(eq.id);
+      }).length;
+      
+      if (visibleItems < 15 && _hasMoreEquipments) {
+        _loadNextEquipmentPage();
+      } else if (_scrollController.hasClients && _scrollController.position.maxScrollExtent <= 0 && _hasMoreEquipments) {
+        _loadNextEquipmentPage();
+      }
+    } else {
+      visibleItems = _paginatedContainers.where((container) {
+        if (!_showConflictingItems) {
+          if (_conflictingContainerIds.contains(container.id)) return false;
+          final hasConflictingChildren = container.equipmentIds.any(
+            (eqId) => _conflictingEquipmentIds.contains(eqId),
+          );
+          if (hasConflictingChildren) return false;
+        }
+        return true;
+      }).length;
+      
+      if (visibleItems < 15 && _hasMoreContainers) {
+        _loadNextContainerPage();
+      } else if (_scrollController.hasClients && _scrollController.position.maxScrollExtent <= 0 && _hasMoreContainers) {
+        _loadNextContainerPage();
+      }
+    }
+  }
+
  @override
  void dispose() {
    _searchController.dispose();
@@ -1539,7 +1573,8 @@ class _EquipmentSelectionDialogState extends State<EquipmentSelectionDialog> {
                  ),
                ),
              ),
-          ],
+            ],
+          ),
        );
      },
    );
@@ -0,0 +1,755 @@
+import 'package:em2rp/models/event_model.dart';
+import 'package:em2rp/services/ai_equipment_assistant_service.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:file_picker/file_picker.dart';
+import 'dart:convert';
+
+/// Résultat retourné par le dialog après confirmation de la proposition IA.
+class AiProposalResult {
+  final List<EventEquipment> equipment;
+  final List<String> containerIds;
+
+  const AiProposalResult({
+    required this.equipment,
+    required this.containerIds,
+  });
+}
+
+class AiEquipmentAssistantDialog extends StatefulWidget {
+  final DateTime startDate;
+  final DateTime endDate;
+  final String? eventTypeId;
+  final String? excludeEventId;
+  final List<EventEquipment> currentAssignedEquipment;
+
+  const AiEquipmentAssistantDialog({
+    super.key,
+    required this.startDate,
+    required this.endDate,
+    required this.currentAssignedEquipment,
+    this.eventTypeId,
+    this.excludeEventId,
+  });
+
+  @override
+  State<AiEquipmentAssistantDialog> createState() =>
+      _AiEquipmentAssistantDialogState();
+}
+
+class _AiEquipmentAssistantDialogState
+    extends State<AiEquipmentAssistantDialog> {
+  final TextEditingController _messageController = TextEditingController();
+  final ScrollController _scrollController = ScrollController();
+  final ScrollController _proposalScrollController = ScrollController();
+  final List<_AssistantChatMessage> _messages = [];
+
+  late final AiEquipmentAssistantService _assistantService;
+
+  bool _isLoading = false;
+  String? _errorMessage;
+  AiEquipmentProposal? _latestProposal;
+  late List<EventEquipment> _workingEquipment;
+  AiEquipmentDocument? _selectedDocument;
+  List<String> _sessionLogs = [];
+  Set<String> _selectedContainerIds = {};
+
+  @override
+  void initState() {
+    super.initState();
+    _assistantService = AiEquipmentAssistantService();
+    _workingEquipment = List<EventEquipment>.from(widget.currentAssignedEquipment);
+  }
+
+  @override
+  void dispose() {
+    _messageController.dispose();
+    _scrollController.dispose();
+    _proposalScrollController.dispose();
+    super.dispose();
+  }
+
+  bool get _isChatEmpty => _messages.isEmpty;
+
+  String get _actionButtonLabel {
+    return _isChatEmpty ? 'Generer la liste automatiquement' : 'Envoyer';
+  }
+
+  Future<void> _sendMessage() async {
+    if (_isLoading) {
+      return;
+    }
+
+    final rawInput = _messageController.text.trim();
+    final isAutoMode = _isChatEmpty;
+    final userMessage = isAutoMode
+        ? (rawInput.isNotEmpty
+            ? rawInput
+            : 'Genere automatiquement une proposition de materiel pour cet evenement.')
+        : rawInput;
+
+    if (userMessage.isEmpty) {
+      return;
+    }
+
+    _messageController.clear();
+    setState(() {
+      _errorMessage = null;
+      _messages.add(_AssistantChatMessage.user(userMessage));
+      if (_selectedDocument != null) {
+        _messages.add(_AssistantChatMessage.user('[Document joint : ${_selectedDocument!.fileName ?? "Document"}]'));
+      }
+      _isLoading = true;
+    });
+
+    _scrollToBottom();
+
+    try {
+      final documentToSend = _selectedDocument;
+      _selectedDocument = null; // Clear after sending
+      final response = await _assistantService
+          .generateProposal(
+            startDate: widget.startDate,
+            endDate: widget.endDate,
+            eventTypeId: widget.eventTypeId,
+            excludeEventId: widget.excludeEventId,
+            currentAssignedEquipment: widget.currentAssignedEquipment,
+            workingProposalEquipment: _workingEquipment,
+            userMessage: userMessage,
+            document: documentToSend,
+            history: _messages
+                .map((message) => AiAssistantChatTurn(
+                    isUser: message.isUser, text: message.text))
+                .toList(),
+          );
+
+      if (!mounted) {
+        return;
+      }
+
+      setState(() {
+        _messages
+            .add(_AssistantChatMessage.assistant(response.assistantMessage));
+        _latestProposal = response.proposal;
+        if (response.proposal != null) {
+          _workingEquipment = List<EventEquipment>.from(
+            response.proposal!.asEventEquipment,
+          );
+          // Préselectionner les containers non partiels
+          _selectedContainerIds = {
+            for (final c in response.proposal!.containers)
+              if (!c.partial) c.containerId
+          };
+        }
+        _sessionLogs.addAll(response.debugLogs);
+        _isLoading = false;
+      });
+      _scrollToBottom();
+    } on FormatException catch (error) {
+      if (!mounted) {
+        return;
+      }
+      setState(() {
+        _isLoading = false;
+        _errorMessage = 'Reponse IA invalide: ${error.message}';
+      });
+    } catch (error) {
+      if (!mounted) {
+        return;
+      }
+      setState(() {
+        _isLoading = false;
+        _errorMessage = 'Erreur IA: $error';
+      });
+    }
+  }
+
+  void _scrollToBottom() {
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      if (!_scrollController.hasClients) {
+        return;
+      }
+      _scrollController.animateTo(
+        _scrollController.position.maxScrollExtent,
+        duration: const Duration(milliseconds: 250),
+        curve: Curves.easeOut,
+      );
+    });
+  }
+
+  Future<void> _pickDocument() async {
+    try {
+      final result = await FilePicker.platform.pickFiles(
+        type: FileType.custom,
+        allowedExtensions: ['pdf', 'txt', 'jpg', 'jpeg', 'png'],
+        withData: true,
+      );
+
+      if (result != null && result.files.isNotEmpty) {
+        final file = result.files.first;
+        if (file.bytes != null) {
+          final base64String = base64Encode(file.bytes!);
+          String mimeType = 'application/octet-stream';
+          if (file.extension == 'pdf') mimeType = 'application/pdf';
+          else if (file.extension == 'txt') mimeType = 'text/plain';
+          else if (file.extension == 'jpg' || file.extension == 'jpeg') mimeType = 'image/jpeg';
+          else if (file.extension == 'png') mimeType = 'image/png';
+
+          setState(() {
+            _selectedDocument = AiEquipmentDocument(
+              base64Data: base64String,
+              mimeType: mimeType,
+              fileName: file.name,
+            );
+          });
+        }
+      }
+    } catch (e) {
+      if (mounted) {
+        setState(() {
+          _errorMessage = 'Erreur lors de la selection du document : $e';
+        });
+      }
+    }
+  }
+
+  void _showLogsDialog() {
+    showDialog(
+      context: context,
+      builder: (context) {
+        return AlertDialog(
+          title: const Text('Logs de l\'IA'),
+          content: SizedBox(
+            width: 800,
+            height: 600,
+            child: ListView.builder(
+              itemCount: _sessionLogs.length,
+              itemBuilder: (context, index) {
+                final log = _sessionLogs[index];
+                final isError = log.startsWith('[ERROR]');
+                return Padding(
+                  padding: const EdgeInsets.symmetric(vertical: 4),
+                  child: Text(
+                    log,
+                    style: TextStyle(
+                      fontFamily: 'monospace',
+                      fontSize: 12,
+                      color: isError ? Colors.red : Colors.black87,
+                    ),
+                  ),
+                );
+              },
+            ),
+          ),
+          actions: [
+            TextButton(
+              onPressed: () {
+                final fullLogs = _sessionLogs.join('\n');
+                Clipboard.setData(ClipboardData(text: fullLogs));
+                ScaffoldMessenger.of(context).showSnackBar(
+                  const SnackBar(content: Text('Logs copiés dans le presse-papiers')),
+                );
+              },
+              child: const Text('Copier tout'),
+            ),
+            TextButton(
+              onPressed: () => Navigator.of(context).pop(),
+              child: const Text('Fermer'),
+            ),
+          ],
+        );
+      },
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Dialog(
+      insetPadding: const EdgeInsets.symmetric(horizontal: 24, vertical: 24),
+      child: SizedBox(
+        width: 760,
+        height: 640,
+        child: Column(
+          children: [
+            AppBar(
+              automaticallyImplyLeading: false,
+              title: const Text('(BETA) Assistant IA Logisticien'),
+              actions: [
+                if (_sessionLogs.isNotEmpty)
+                  IconButton(
+                    icon: const Icon(Icons.bug_report),
+                    tooltip: 'Voir les logs',
+                    onPressed: _showLogsDialog,
+                  ),
+                IconButton(
+                  icon: const Icon(Icons.close),
+                  onPressed:
+                      _isLoading ? null : () => Navigator.of(context).pop(),
+                ),
+              ],
+            ),
+            Expanded(
+              child: Column(
+                children: [
+                  Expanded(
+                    child: Container(
+                      color: Colors.grey.shade50,
+                      child: ListView.builder(
+                        controller: _scrollController,
+                        padding: const EdgeInsets.all(16),
+                        itemCount: _messages.length,
+                        itemBuilder: (context, index) {
+                          final message = _messages[index];
+                          return _buildMessageBubble(message);
+                        },
+                      ),
+                    ),
+                  ),
+                  if (_isLoading)
+                    const Padding(
+                      padding:
+                          EdgeInsets.symmetric(horizontal: 16, vertical: 8),
+                      child: Row(
+                        children: [
+                          SizedBox(
+                            width: 18,
+                            height: 18,
+                            child: CircularProgressIndicator(strokeWidth: 2),
+                          ),
+                          SizedBox(width: 12),
+                          Expanded(
+                            child: const Text(
+                                'Generation en cours... verification du materiel et disponibilites. (Cela peut prendre jusqu\'a une minute en cas de forte affluence)',
+                              textAlign: TextAlign.left,
+                            ),
+                          ),
+                        ],
+                      ),
+                    ),
+                  if (_errorMessage != null)
+                    Container(
+                      width: double.infinity,
+                      margin: const EdgeInsets.fromLTRB(16, 8, 16, 0),
+                      padding: const EdgeInsets.all(12),
+                      decoration: BoxDecoration(
+                        color: Colors.red.shade50,
+                        borderRadius: BorderRadius.circular(10),
+                        border: Border.all(color: Colors.red.shade200),
+                      ),
+                      child: Text(
+                        _errorMessage!,
+                        style: TextStyle(color: Colors.red.shade800),
+                      ),
+                    ),
+                  if (_latestProposal != null)
+                    _buildProposalSummary(_latestProposal!),
+                  if (_selectedDocument != null)
+                    Padding(
+                      padding: const EdgeInsets.only(left: 16, right: 16, top: 8),
+                      child: Row(
+                        children: [
+                          const Icon(Icons.attach_file, color: Colors.blue, size: 20),
+                          const SizedBox(width: 8),
+                          Expanded(
+                            child: Text(
+                              _selectedDocument!.fileName ?? 'Document joint',
+                              style: const TextStyle(color: Colors.blue, fontWeight: FontWeight.w500),
+                              maxLines: 1,
+                              overflow: TextOverflow.ellipsis,
+                            ),
+                          ),
+                          IconButton(
+                            icon: const Icon(Icons.close, size: 20),
+                            onPressed: () {
+                              setState(() {
+                                _selectedDocument = null;
+                              });
+                            },
+                            tooltip: 'Retirer le document',
+                          ),
+                        ],
+                      ),
+                    ),
+                  Padding(
+                    padding: const EdgeInsets.all(16),
+                    child: Row(
+                      children: [
+                        IconButton(
+                          icon: const Icon(Icons.attach_file),
+                          onPressed: _isLoading ? null : _pickDocument,
+                          tooltip: 'Joindre un devis ou document',
+                        ),
+                        Expanded(
+                          child: TextField(
+                            controller: _messageController,
+                            enabled: !_isLoading,
+                            minLines: 1,
+                            maxLines: 3,
+                            decoration: const InputDecoration(
+                              hintText:
+                                  'Precisez votre besoin (style, jauge, contraintes...)',
+                              border: OutlineInputBorder(),
+                            ),
+                            onSubmitted: (_) => _sendMessage(),
+                          ),
+                        ),
+                        const SizedBox(width: 12),
+                        ElevatedButton(
+                          onPressed: _isLoading ? null : _sendMessage,
+                          child: Text(_actionButtonLabel),
+                        ),
+                      ],
+                    ),
+                  ),
+                ],
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+
+  Widget _buildMessageBubble(_AssistantChatMessage message) {
+    final bubbleColor = message.isUser ? Colors.blue.shade600 : Colors.white;
+    final textColor = message.isUser ? Colors.white : Colors.black87;
+
+    return Align(
+      alignment: message.isUser ? Alignment.centerRight : Alignment.centerLeft,
+      child: Container(
+        margin: const EdgeInsets.only(bottom: 10),
+        constraints: const BoxConstraints(maxWidth: 560),
+        padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
+        decoration: BoxDecoration(
+          color: bubbleColor,
+          borderRadius: BorderRadius.only(
+            topLeft: const Radius.circular(16),
+            topRight: const Radius.circular(16),
+            bottomLeft: Radius.circular(message.isUser ? 16 : 4),
+            bottomRight: Radius.circular(message.isUser ? 4 : 16),
+          ),
+              boxShadow: [
+              BoxShadow(
+                color: Colors.black.withValues(alpha: 0.05),
+                blurRadius: 10,
+                offset: const Offset(0, 4),
+              ),
+              ],
+          border:
+              message.isUser ? null : Border.all(color: Colors.grey.shade200),
+        ),
+        child: message.isUser 
+          ? Text(message.text, style: TextStyle(color: textColor))
+          : _buildAssistantMessageContent(message.text),
+      ),
+    );
+  }
+
+  Widget _buildAssistantMessageContent(String text) {
+    // Si le message semble structuré par l'IA avec nos nouvelles règles
+    if (text.contains('Matériel ajouté :') || text.contains('Matériel non trouvé')) {
+      final sections = text.split('\n\n');
+      return Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: sections.map((section) {
+          final isAdded = section.contains('Matériel ajouté :');
+          final isMissing = section.contains('Matériel non trouvé');
+          
+          if (isAdded) {
+            return _buildStatusSection(
+              title: section.split('\n').first,
+              content: section.split('\n').skip(1).join('\n'),
+              icon: Icons.check_circle_outline,
+              color: Colors.green.shade700,
+              bgColor: Colors.green.shade50,
+            );
+          } else if (isMissing) {
+            return _buildStatusSection(
+              title: section.split('\n').first,
+              content: section.split('\n').skip(1).join('\n'),
+              icon: Icons.warning_amber_rounded,
+              color: Colors.orange.shade800,
+              bgColor: Colors.orange.shade50,
+            );
+          }
+          return Padding(
+            padding: const EdgeInsets.only(bottom: 8.0),
+            child: Text(section),
+          );
+        }).toList(),
+      );
+    }
+
+    return Text(text);
+  }
+
+  Widget _buildStatusSection({
+    required String title,
+    required String content,
+    required IconData icon,
+    required Color color,
+    required Color bgColor,
+  }) {
+    return Container(
+      width: double.infinity,
+      margin: const EdgeInsets.only(bottom: 12),
+      padding: const EdgeInsets.all(12),
+          decoration: BoxDecoration(
+         color: bgColor,
+         borderRadius: BorderRadius.circular(8),
+         border: Border.all(color: color.withValues(alpha: 0.3)),
+       ),
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          Row(
+            children: [
+              Icon(icon, size: 18, color: color),
+              const SizedBox(width: 8),
+              Expanded(
+                child: Text(
+                  title.replaceAll(':', '').trim(),
+                  style: TextStyle(
+                    fontWeight: FontWeight.bold,
+                    color: color,
+                  ),
+                ),
+              ),
+            ],
+          ),
+          if (content.trim().isNotEmpty) ...[
+            const SizedBox(height: 8),
+            Text(
+              content.trim(),
+              style: TextStyle(fontSize: 13, color: Colors.grey.shade800),
+            ),
+          ],
+        ],
+      ),
+    );
+  }
+
+  void _confirmProposal({bool excludeAlternatives = false}) {
+    if (_latestProposal == null) return;
+
+    List<EventEquipment> equipment = List.from(_latestProposal!.asEventEquipment);
+    // Ne renvoyer que les containerIds sélectionnés (par défaut les containers complets)
+    final List<String> containerIds = _selectedContainerIds.isNotEmpty
+        ? _selectedContainerIds.toList()
+        : List.from(_latestProposal!.containerIds);
+
+    if (excludeAlternatives) {
+      // On utilise la liste des items d'origine pour savoir lesquels exclure
+      // car ils contiennent le champ rationale (avant conversion en EventEquipment)
+      final idsToExclude = _latestProposal!.items
+          .where((item) {
+            final rationale = item.rationale.toLowerCase();
+            return rationale.contains('alternative') ||
+                   rationale.contains('remplacement') ||
+                   rationale.contains('indisponible');
+          })
+          .map((item) => item.equipmentId)
+          .toSet();
+
+      equipment = equipment.where((eq) => !idsToExclude.contains(eq.equipmentId)).toList();
+    }
+
+    Navigator.of(context).pop(
+      AiProposalResult(
+        equipment: equipment,
+        containerIds: containerIds,
+      ),
+    );
+  }
+
+  Widget _buildProposalSummary(AiEquipmentProposal proposal) {
+    return Container(
+      width: double.infinity,
+      margin: const EdgeInsets.fromLTRB(16, 8, 16, 0),
+      padding: const EdgeInsets.all(16),
+      constraints: const BoxConstraints(maxHeight: 280),
+      decoration: BoxDecoration(
+        color: Colors.white,
+        borderRadius: BorderRadius.circular(12),
+        border: Border.all(color: Colors.grey.shade300),
+        boxShadow: [
+          BoxShadow(
+            color: Colors.black.withValues(alpha: 0.05),
+            blurRadius: 10,
+            offset: const Offset(0, 4),
+          ),
+        ],
+      ),
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          Row(
+            children: [
+              const Icon(Icons.assignment_turned_in, color: Colors.indigo),
+              const SizedBox(width: 12),
+              const Expanded(
+                child: Text(
+                  'Récapitulatif de la proposition IA',
+                  style: TextStyle(
+                    fontWeight: FontWeight.bold, 
+                    fontSize: 16,
+                    color: Colors.indigo,
+                  ),
+                ),
+              ),
+            ],
+          ),
+          const SizedBox(height: 12),
+          Flexible(
+            child: Scrollbar(
+              controller: _proposalScrollController,
+              thumbVisibility: true,
+              child: SingleChildScrollView(
+                controller: _proposalScrollController,
+                padding: const EdgeInsets.only(right: 8),
+                child: Column(
+                  crossAxisAlignment: CrossAxisAlignment.start,
+                  mainAxisSize: MainAxisSize.min,
+                  children: [
+                    Text(
+                      proposal.summary,
+                      style: const TextStyle(fontStyle: FontStyle.italic),
+                    ),
+                    if (proposal.items.isNotEmpty) ...[
+                      const SizedBox(height: 12),
+                      const Text(
+                        'Matériel individuel :',
+                        style: TextStyle(fontWeight: FontWeight.bold, fontSize: 13),
+                      ),
+                      const SizedBox(height: 4),
+                      ...proposal.items.map((item) {
+                        final isAlt = item.rationale.toLowerCase().contains('alternative') || item.rationale.toLowerCase().contains('remplacement');
+                        return Padding(
+                          padding: const EdgeInsets.only(bottom: 6, left: 4),
+                          child: Row(
+                            crossAxisAlignment: CrossAxisAlignment.start,
+                            children: [
+                              Icon(
+                                isAlt ? Icons.swap_horiz : Icons.add_circle_outline, 
+                                size: 14, 
+                                color: isAlt ? Colors.orange : Colors.indigo,
+                              ),
+                              const SizedBox(width: 8),
+                              Expanded(
+                                child: Text(
+                                  '${item.equipmentId} x${item.quantity}',
+                                  style: const TextStyle(fontWeight: FontWeight.w500)
+                                ),
+                              ),
+                            ],
+                          ),
+                        );
+                      }),
+                    ],
+                    if (proposal.containers.isNotEmpty) ...[
+                      const SizedBox(height: 12),
+                      const Text(
+                        'Fly-cases & Boîtes :',
+                        style: TextStyle(fontWeight: FontWeight.bold, fontSize: 13),
+                      ),
+                      const SizedBox(height: 4),
+                      ...proposal.containers.map((c) {
+                        final isPartial = c.partial;
+                        final isSelected = _selectedContainerIds.contains(c.containerId);
+                        return Padding(
+                          padding: const EdgeInsets.only(bottom: 6, left: 4),
+                          child: Row(
+                            children: [
+                              Icon(
+                                Icons.inventory_2_outlined,
+                                size: 14,
+                                color: c.available == false ? Colors.red : Colors.indigo,
+                              ),
+                              const SizedBox(width: 8),
+                              Expanded(
+                                child: Column(
+                                  crossAxisAlignment: CrossAxisAlignment.start,
+                                  children: [
+                                    Row(
+                                      children: [
+                                        Expanded(child: Text('${c.containerId} ${c.rationale.isNotEmpty ? "- ${c.rationale}" : ""}', style: const TextStyle(fontWeight: FontWeight.w500))),
+                                        if (c.available == false)
+                                          Padding(
+                                            padding: const EdgeInsets.only(left: 8.0),
+                                            child: Icon(Icons.block, color: Colors.red.shade700, size: 14),
+                                          ),
+                                      ],
+                                    ),
+                                    if (isPartial) ...[
+                                      const SizedBox(height: 4),
+                                      Text('Contenu partiel : ${c.matchingEquipmentIds.length}/${c.equipmentIds.length} items utilisés.', style: TextStyle(fontSize: 12, color: Colors.grey.shade700)),
+                                    ],
+                                  ],
+                                ),
+                              ),
+                              const SizedBox(width: 8),
+                              if (isPartial)
+                                Checkbox(
+                                  value: isSelected,
+                                  onChanged: (v) {
+                                    setState(() {
+                                      if (v == true) _selectedContainerIds.add(c.containerId);
+                                      else _selectedContainerIds.remove(c.containerId);
+                                    });
+                                  },
+                                ),
+                            ],
+                          ),
+                        );
+                      }),
+                    ],
+                  ],
+                ),
+              ),
+            ),
+          ),
+          const SizedBox(height: 12),
+          Wrap(
+            spacing: 12,
+            runSpacing: 8,
+            children: [
+              ElevatedButton.icon(
+                onPressed: _isLoading ? null : () => _confirmProposal(),
+                icon: const Icon(Icons.check),
+                label: const Text('Tout ajouter'),
+                style: ElevatedButton.styleFrom(
+                  backgroundColor: Colors.indigo,
+                  foregroundColor: Colors.white,
+                ),
+              ),
+              OutlinedButton.icon(
+                onPressed: _isLoading ? null : () => _confirmProposal(excludeAlternatives: true),
+                icon: const Icon(Icons.filter_list_off),
+                label: const Text('Ajouter sans alternatives'),
+                style: OutlinedButton.styleFrom(
+                  foregroundColor: Colors.indigo,
+                  side: const BorderSide(color: Colors.indigo),
+                ),
+              ),
+            ],
+          ),
+        ],
+      ),
+    );
+  }
+}
+
+class _AssistantChatMessage {
+  final bool isUser;
+  final String text;
+
+  const _AssistantChatMessage._({required this.isUser, required this.text});
+
+  factory _AssistantChatMessage.user(String text) {
+    return _AssistantChatMessage._(isUser: true, text: text);
+  }
+
+  factory _AssistantChatMessage.assistant(String text) {
+    return _AssistantChatMessage._(isUser: false, text: text);
+  }
+}
@@ -8,6 +8,7 @@ import 'package:em2rp/providers/equipment_provider.dart';
 import 'package:em2rp/providers/container_provider.dart';
 import 'package:em2rp/utils/colors.dart';
 import 'package:em2rp/views/widgets/event/equipment_selection_dialog.dart';
+import 'package:em2rp/views/widgets/event_form/ai_equipment_assistant_dialog.dart';

 /// Section pour afficher et gérer le matériel assigné à un événement
 class EventAssignedEquipmentSection extends StatefulWidget {
@@ -17,6 +18,7 @@ class EventAssignedEquipmentSection extends StatefulWidget {
  final DateTime? endDate;
  final Function(List<EventEquipment>, List<String>) onChanged;
  final String? eventId; // Pour exclure l'événement actuel de la vérification
+  final String? eventTypeId;

  const EventAssignedEquipmentSection({
    super.key,
@@ -26,14 +28,18 @@ class EventAssignedEquipmentSection extends StatefulWidget {
    required this.endDate,
    required this.onChanged,
    this.eventId,
+    this.eventTypeId,
  });

  @override
-  State<EventAssignedEquipmentSection> createState() => _EventAssignedEquipmentSectionState();
+  State<EventAssignedEquipmentSection> createState() =>
+      _EventAssignedEquipmentSectionState();
 }

-class _EventAssignedEquipmentSectionState extends State<EventAssignedEquipmentSection> {
-  bool get _canAddMaterial => widget.startDate != null && widget.endDate != null;
+class _EventAssignedEquipmentSectionState
+    extends State<EventAssignedEquipmentSection> {
+  bool get _canAddMaterial =>
+      widget.startDate != null && widget.endDate != null;
  final Map<String, EquipmentModel> _equipmentCache = {};
  final Map<String, ContainerModel> _containerCache = {};
  bool _isLoading = true;
@@ -61,19 +67,24 @@ class _EventAssignedEquipmentSectionState extends State<EventAssignedEquipmentSe
      final equipmentProvider = context.read<EquipmentProvider>();
      final containerProvider = context.read<ContainerProvider>();

-      DebugLog.info('[EventAssignedEquipmentSection] Loading caches from assigned lists');
+      DebugLog.info(
+          '[EventAssignedEquipmentSection] Loading caches from assigned lists');

      // Toujours partir des données locales du formulaire pour éviter les décalages visuels.
-      final equipmentIds = widget.assignedEquipment.map((eq) => eq.equipmentId).toList();
-      final containers = await containerProvider.getContainersByIds(widget.assignedContainers);
+      final equipmentIds =
+          widget.assignedEquipment.map((eq) => eq.equipmentId).toList();
+      final containers =
+          await containerProvider.getContainersByIds(widget.assignedContainers);

      final childEquipmentIds = <String>[];
      for (final container in containers) {
        childEquipmentIds.addAll(container.equipmentIds);
      }

-      final allEquipmentIds = <String>{...equipmentIds, ...childEquipmentIds}.toList();
-      final equipment = await equipmentProvider.getEquipmentsByIds(allEquipmentIds);
+      final allEquipmentIds =
+          <String>{...equipmentIds, ...childEquipmentIds}.toList();
+      final equipment =
+          await equipmentProvider.getEquipmentsByIds(allEquipmentIds);

      _equipmentCache.clear();
      _containerCache.clear();
@@ -110,7 +121,9 @@ class _EventAssignedEquipmentSectionState extends State<EventAssignedEquipmentSe
        _containerCache[containerId] = container;
      }
    } catch (e) {
-      DebugLog.error('[EventAssignedEquipmentSection] Error loading equipment and containers', e);
+      DebugLog.error(
+          '[EventAssignedEquipmentSection] Error loading equipment and containers',
+          e);
    } finally {
      setState(() => _isLoading = false);
    }
@@ -138,7 +151,8 @@ class _EventAssignedEquipmentSectionState extends State<EventAssignedEquipmentSe
  }

  Future<void> _processSelection(Map<String, SelectedItem> selection) async {
-    DebugLog.info('[EventAssignedEquipmentSection] Processing selection of ${selection.length} items');
+    DebugLog.info(
+        '[EventAssignedEquipmentSection] Processing selection of ${selection.length} items');

    // Séparer équipements et conteneurs
    final newEquipment = <EventEquipment>[];
@@ -155,23 +169,27 @@ class _EventAssignedEquipmentSectionState extends State<EventAssignedEquipmentSe
      }
    }

-    DebugLog.info('[EventAssignedEquipmentSection] Found ${newEquipment.length} equipment(s) and ${newContainers.length} container(s)');
+    DebugLog.info(
+        '[EventAssignedEquipmentSection] Found ${newEquipment.length} equipment(s) and ${newContainers.length} container(s)');

    // 🔧 FIX: Pour chaque container sélectionné, ajouter aussi ses équipements enfants
    if (newContainers.isNotEmpty) {
      final containerProvider = context.read<ContainerProvider>();
-      final containers = await containerProvider.getContainersByIds(newContainers);
+      final containers =
+          await containerProvider.getContainersByIds(newContainers);

      for (var container in containers) {
        for (var childEquipmentId in container.equipmentIds) {
          // Vérifier si l'équipement enfant n'est pas déjà dans la liste
-          final existsInNew = newEquipment.any((eq) => eq.equipmentId == childEquipmentId);
+          final existsInNew =
+              newEquipment.any((eq) => eq.equipmentId == childEquipmentId);
          if (!existsInNew) {
            newEquipment.add(EventEquipment(
              equipmentId: childEquipmentId,
              quantity: 1,
            ));
-            DebugLog.info('[EventAssignedEquipmentSection] Adding child equipment $childEquipmentId from container ${container.id}');
+            DebugLog.info(
+                '[EventAssignedEquipmentSection] Adding child equipment $childEquipmentId from container ${container.id}');
          }
        }
      }
@@ -183,11 +201,12 @@ class _EventAssignedEquipmentSectionState extends State<EventAssignedEquipmentSe
    // Fusionner avec l'existant
    final updatedEquipment = [...widget.assignedEquipment];
    final updatedContainers = [...widget.assignedContainers];
-    
+
    // Pour chaque nouvel équipement
    for (var eq in newEquipment) {
-      final existingIndex = updatedEquipment.indexWhere((e) => e.equipmentId == eq.equipmentId);
-    
+      final existingIndex =
+          updatedEquipment.indexWhere((e) => e.equipmentId == eq.equipmentId);
+
      if (existingIndex != -1) {
        // L'équipement existe déjà : mettre à jour la quantité
        updatedEquipment[existingIndex] = EventEquipment(
@@ -204,17 +223,85 @@ class _EventAssignedEquipmentSectionState extends State<EventAssignedEquipmentSe
        updatedEquipment.add(eq);
      }
    }
-    
+
    for (var containerId in newContainers) {
      if (!updatedContainers.contains(containerId)) {
        updatedContainers.add(containerId);
      }
    }
-    
+
    // Notifier le changement
    widget.onChanged(updatedEquipment, updatedContainers);
  }

+  Future<void> _openAiAssistantDialog() async {
+    if (widget.startDate == null || widget.endDate == null) {
+      return;
+    }
+
+    final result = await showDialog<AiProposalResult>(
+      context: context,
+      builder: (context) => AiEquipmentAssistantDialog(
+        startDate: widget.startDate!,
+        endDate: widget.endDate!,
+        eventTypeId: widget.eventTypeId,
+        excludeEventId: widget.eventId,
+        currentAssignedEquipment: widget.assignedEquipment,
+      ),
+    );
+
+    if (result == null) {
+      return;
+    }
+
+    _applyAiProposal(result);
+  }
+
+  void _applyAiProposal(AiProposalResult result) async {
+    final existingById = {
+      for (final equipment in widget.assignedEquipment)
+        equipment.equipmentId: equipment,
+    };
+
+    final updatedEquipment = result.equipment.map((proposed) {
+      final existing = existingById[proposed.equipmentId];
+      if (existing == null) {
+        return proposed;
+      }
+      return existing.copyWith(quantity: proposed.quantity, rationale: proposed.rationale);
+    }).toList();
+
+    // 🔧 FIX: Pour chaque container ajouté par l'IA, ajouter aussi ses équipements enfants
+    if (result.containerIds.isNotEmpty) {
+      final containerProvider = context.read<ContainerProvider>();
+      final containers = await containerProvider.getContainersByIds(result.containerIds);
+
+      for (var container in containers) {
+        for (var childEquipmentId in container.equipmentIds) {
+          // Vérifier si l'équipement enfant n'est pas déjà dans la liste (ou déjà ajouté par la proposition)
+          final exists = updatedEquipment.any((eq) => eq.equipmentId == childEquipmentId);
+          if (!exists) {
+            updatedEquipment.add(EventEquipment(
+              equipmentId: childEquipmentId,
+              quantity: 1,
+              rationale: 'Inclus dans ${container.id}',
+            ));
+            DebugLog.info('[EventAssignedEquipmentSection] AI adding child equipment $childEquipmentId from container ${container.id}');
+          }
+        }
+      }
+    }
+
+    final updatedContainers = [...widget.assignedContainers];
+    for (final containerId in result.containerIds) {
+      if (!updatedContainers.contains(containerId)) {
+        updatedContainers.add(containerId);
+      }
+    }
+
+    widget.onChanged(updatedEquipment, updatedContainers);
+  }
+
  void _removeEquipment(String equipmentId) {
    final updated = widget.assignedEquipment
        .where((eq) => eq.equipmentId != equipmentId)
@@ -231,9 +318,8 @@ class _EventAssignedEquipmentSectionState extends State<EventAssignedEquipmentSe
    final container = _containerCache[containerId];

    // Retirer le conteneur de la liste
-    final updatedContainers = widget.assignedContainers
-        .where((id) => id != containerId)
-        .toList();
+    final updatedContainers =
+        widget.assignedContainers.where((id) => id != containerId).toList();

    // 🔧 FIX: Ne supprimer les équipements enfants QUE s'ils ne sont pas dans un autre container
    final updatedEquipment = <EventEquipment>[];
@@ -252,8 +338,10 @@ class _EventAssignedEquipmentSectionState extends State<EventAssignedEquipmentSe
      // 1. Ne sont PAS dans le container supprimé OU
      // 2. Sont dans le container supprimé MAIS aussi dans un autre container
      for (var eq in widget.assignedEquipment) {
-        final isInRemovedContainer = container.equipmentIds.contains(eq.equipmentId);
-        final isInOtherContainer = equipmentIdsInOtherContainers.contains(eq.equipmentId);
+        final isInRemovedContainer =
+            container.equipmentIds.contains(eq.equipmentId);
+        final isInOtherContainer =
+            equipmentIdsInOtherContainers.contains(eq.equipmentId);

        if (!isInRemovedContainer || isInOtherContainer) {
          updatedEquipment.add(eq);
@@ -271,7 +359,8 @@ class _EventAssignedEquipmentSectionState extends State<EventAssignedEquipmentSe
      _containerCache.remove(containerId);
      // Nettoyer le cache uniquement pour les équipements effectivement supprimés
      if (container != null) {
-        final remainingEquipmentIds = updatedEquipment.map((eq) => eq.equipmentId).toSet();
+        final remainingEquipmentIds =
+            updatedEquipment.map((eq) => eq.equipmentId).toSet();
        for (var equipmentId in container.equipmentIds) {
          if (!remainingEquipmentIds.contains(equipmentId)) {
            _equipmentCache.remove(equipmentId);
@@ -301,7 +390,8 @@ class _EventAssignedEquipmentSectionState extends State<EventAssignedEquipmentSe

  @override
  Widget build(BuildContext context) {
-    final totalItems = widget.assignedEquipment.length + widget.assignedContainers.length;
+    final totalItems =
+        widget.assignedEquipment.length + widget.assignedContainers.length;

    return Card(
      elevation: 2,
@@ -350,15 +440,25 @@ class _EventAssignedEquipmentSectionState extends State<EventAssignedEquipmentSe
                    ],
                  ),
                ),
+                ActionChip(
+                  onPressed: _canAddMaterial ? _openAiAssistantDialog : null,
+                  avatar: const Icon(Icons.auto_fix_high, size: 18),
+                  label: const Text('Assistant IA'),
+                ),
+                const SizedBox(width: 8),
                ElevatedButton.icon(
                  onPressed: _canAddMaterial ? _openSelectionDialog : null,
-                  icon: Icon(Icons.add, color: _canAddMaterial ? Colors.white : Colors.grey),
+                  icon: Icon(Icons.add,
+                      color: _canAddMaterial ? Colors.white : Colors.grey),
                  label: Text(
                    'Ajouter',
-                    style: TextStyle(color: _canAddMaterial ? Colors.white : Colors.grey),
+                    style: TextStyle(
+                        color: _canAddMaterial ? Colors.white : Colors.grey),
                  ),
                  style: ElevatedButton.styleFrom(
-                    backgroundColor: _canAddMaterial ? AppColors.rouge : Colors.grey.shade300,
+                    backgroundColor: _canAddMaterial
+                        ? AppColors.rouge
+                        : Colors.grey.shade300,
                  ),
                ),
              ],
@@ -512,7 +612,8 @@ class _EventAssignedEquipmentSectionState extends State<EventAssignedEquipmentSe
              }

              return Padding(
-                padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
+                padding:
+                    const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
                child: Column(
                  crossAxisAlignment: CrossAxisAlignment.start,
                  children: [
@@ -537,7 +638,8 @@ class _EventAssignedEquipmentSectionState extends State<EventAssignedEquipmentSe
                              color: Colors.grey.shade600,
                            ),
                            const SizedBox(width: 8),
-                            eq.category.getIcon(size: 16, color: eq.category.color),
+                            eq.category
+                                .getIcon(size: 16, color: eq.category.color),
                            const SizedBox(width: 8),
                            Expanded(
                              child: Text(
@@ -562,7 +664,8 @@ class _EventAssignedEquipmentSectionState extends State<EventAssignedEquipmentSe
    );
  }

-  Widget _buildEquipmentItem(EquipmentModel? equipment, EventEquipment eventEq) {
+  Widget _buildEquipmentItem(
+      EquipmentModel? equipment, EventEquipment eventEq) {
    if (equipment == null) {
      return Card(
        margin: const EdgeInsets.only(bottom: 8),
@@ -585,17 +688,15 @@ class _EventAssignedEquipmentSectionState extends State<EventAssignedEquipmentSe
    }

    final isConsumable = equipment.category == EquipmentCategory.consumable ||
-                        equipment.category == EquipmentCategory.cable;
+        equipment.category == EquipmentCategory.cable;

    return Card(
      margin: const EdgeInsets.only(bottom: 8),
      child: ListTile(
        leading: CircleAvatar(
          backgroundColor: equipment.category.color.withValues(alpha: 0.2),
-          child: equipment.category.getIconForAvatar(
-            size: 24,
-            color: equipment.category.color
-          ),
+          child: equipment.category
+              .getIconForAvatar(size: 24, color: equipment.category.color),
        ),
        title: Text(
          equipment.id,
@@ -634,4 +735,3 @@ class _EventAssignedEquipmentSectionState extends State<EventAssignedEquipmentSe
    );
  }
 }
-