feat: implement user reporting in chat and dynamic environment-aware testimonial links

lib/features/messaging/presentation/screens/chat_screen.dart

@@ -4,7 +4,10 @@ import 'package:cached_network_image/cached_network_image.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:go_router/go_router.dart';
+import 'package:dio/dio.dart';
 import 'package:real_estate_mobile/core/constants/app_colors.dart';
+import 'package:real_estate_mobile/core/network/api_client.dart';
+import 'package:real_estate_mobile/core/network/api_exceptions.dart';
 import 'package:real_estate_mobile/core/utils/image_url_resolver.dart';
 import 'package:real_estate_mobile/core/widgets/s3_image.dart';
 import 'package:real_estate_mobile/features/auth/presentation/providers/auth_provider.dart';
@@ -349,38 +352,102 @@ class _ChatScreenState extends ConsumerState<ChatScreen>
   }
 
   void _showReportDialog() {
-    final controller = TextEditingController();
+    final descController = TextEditingController();
+    String selectedReason = 'Spam';
+    final reasons = [
+      'Spam',
+      'Harassment',
+      'Inappropriate Content',
+      'Scam / Fraud',
+      'Other',
+    ];
+
     showDialog(
       context: context,
-      builder: (ctx) => AlertDialog(
-        title: const Text('Report User'),
-        content: TextField(
-          controller: controller,
-          maxLines: 3,
-          decoration: const InputDecoration(
-            hintText: 'Describe the issue...',
-            border: OutlineInputBorder(),
+      builder: (ctx) => StatefulBuilder(
+        builder: (ctx, setDialogState) => AlertDialog(
+          title: const Text('Report User'),
+          content: Column(
+            mainAxisSize: MainAxisSize.min,
+            crossAxisAlignment: CrossAxisAlignment.start,
+            children: [
+              const Text('Reason:', style: TextStyle(fontWeight: FontWeight.w600)),
+              const SizedBox(height: 8),
+              DropdownButtonFormField<String>(
+                value: selectedReason,
+                items: reasons.map((r) => DropdownMenuItem(value: r, child: Text(r))).toList(),
+                onChanged: (v) {
+                  if (v != null) setDialogState(() => selectedReason = v);
+                },
+                decoration: const InputDecoration(
+                  border: OutlineInputBorder(),
+                  isDense: true,
+                ),
+              ),
+              const SizedBox(height: 12),
+              TextField(
+                controller: descController,
+                maxLines: 3,
+                decoration: const InputDecoration(
+                  hintText: 'Additional details (optional)...',
+                  border: OutlineInputBorder(),
+                ),
+              ),
+            ],
           ),
+          actions: [
+            TextButton(
+              onPressed: () => Navigator.pop(ctx),
+              child: const Text('Cancel'),
+            ),
+            TextButton(
+              onPressed: () async {
+                Navigator.pop(ctx);
+                await _submitReport(selectedReason, descController.text.trim());
+              },
+              child: const Text('Submit'),
+            ),
+          ],
         ),
-        actions: [
-          TextButton(
-            onPressed: () => Navigator.pop(ctx),
-            child: const Text('Cancel'),
-          ),
-          TextButton(
-            onPressed: () {
-              Navigator.pop(ctx);
-              ScaffoldMessenger.of(context).showSnackBar(
-                const SnackBar(content: Text('Report submitted. Thank you.')),
-              );
-            },
-            child: const Text('Submit'),
-          ),
-        ],
       ),
     );
   }
 
+  Future<void> _submitReport(String reason, String description) async {
+    // Find the other party's userId for the report
+    final conversations = ref.read(messagingProvider).conversations;
+    final conv = conversations.where((c) => c.id == widget.conversationId).firstOrNull;
+    if (conv == null) return;
+
+    // otherParty.userId is the actual user ID (for agents),
+    // for regular users otherParty.id is the agentProfileId — we need the userId behind it
+    final reportedUserId = conv.otherParty.userId ?? conv.otherParty.id;
+
+    try {
+      final dio = ApiClient.instance.dio;
+      await dio.post('/user-reports', data: {
+        'reportedUserId': reportedUserId,
+        'conversationId': widget.conversationId,
+        'reason': reason,
+        if (description.isNotEmpty) 'description': description,
+      });
+      if (mounted) {
+        ScaffoldMessenger.of(context).showSnackBar(
+          const SnackBar(content: Text('Report submitted. Thank you.')),
+        );
+      }
+    } catch (e) {
+      if (mounted) {
+        final msg = (e is DioException && e.error is ApiException)
+            ? (e.error as ApiException).message
+            : 'Failed to submit report';
+        ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(content: Text(msg)),
+        );
+      }
+    }
+  }
+
   void _handleBack() {
     // deactivate() will clear activeConversationId — no need to do it here.
     if (Navigator.of(context).canPop()) {