AI a funcionar

lib/chat_screen.dart

@@ -1,5 +1,7 @@
 import 'dart:ui';
 import 'package:flutter/material.dart';
+import 'dart:convert';
+import 'package:http/http.dart' as http;
 
 class ChatScreen extends StatefulWidget {
   const ChatScreen({super.key});
@@ -21,9 +23,9 @@ class _ChatScreenState extends State<ChatScreen> with TickerProviderStateMixin {
   final ScrollController _scrollController = ScrollController();
   bool _isTyping = false;
 
-  void _handleSubmitted(String text) {
+  Future<void> _handleSubmitted(String text) async {
     if (text.trim().isEmpty) return;
-    
+
     _textController.clear();
 
     setState(() {
@@ -31,18 +33,54 @@ class _ChatScreenState extends State<ChatScreen> with TickerProviderStateMixin {
       _isTyping = true;
     });
 
-    // Simulate EPVChat! typing delay
+    try {
-    Future.delayed(const Duration(milliseconds: 1500), () {
+      // Faz o pedido para o IP usando o formato compatível com OpenAI
+      final response = await http
+          .post(
+            Uri.parse('http://192.168.60.134:11434/v1/chat/completions'),
+            headers: {'Content-Type': 'application/json'},
+            body: jsonEncode({
+              'model': 'qwen3:4b', // Um modelo disponível no servidor
+              'messages': [
+                {'role': 'user', 'content': text},
+              ],
+              'stream': false,
+            }),
+          )
+          .timeout(const Duration(seconds: 30));
+
+      if (response.statusCode == 200) {
+        final data = jsonDecode(response.body);
+        final reply =
+            data['choices'][0]['message']['content'] ??
+            'Sem resposta do modelo.';
+
+        if (mounted) {
+          setState(() {
+            _isTyping = false;
+            _messages.insert(0, ChatMessage(text: reply, isAssistant: true));
+          });
+        }
+      } else {
+        throw Exception(
+          'Erro no servidor: HTTP ${response.statusCode} - ${response.body}',
+        );
+      }
+    } catch (e) {
       if (mounted) {
         setState(() {
           _isTyping = false;
-          _messages.insert(0, ChatMessage(
+          _messages.insert(
-            text: "This is a simulated modern response to: \"$text\"",
+            0,
-            isAssistant: true,
+            ChatMessage(
-          ));
+              text:
+                  "Não foi possível comunicar com o modelo.\nVerifique se o IP está acessível.\nDetalhes: $e",
+              isAssistant: true,
+            ),
+          );
         });
       }
-    });
+    }
   }
 
   Widget _buildMessage(ChatMessage message) {
@@ -50,7 +88,9 @@ class _ChatScreenState extends State<ChatScreen> with TickerProviderStateMixin {
     return Padding(
       padding: const EdgeInsets.symmetric(vertical: 12.0, horizontal: 16.0),
       child: Row(
-        mainAxisAlignment: isAssistant ? MainAxisAlignment.start : MainAxisAlignment.end,
+        mainAxisAlignment: isAssistant
+            ? MainAxisAlignment.start
+            : MainAxisAlignment.end,
         crossAxisAlignment: CrossAxisAlignment.end,
         children: [
           if (isAssistant)
@@ -79,19 +119,28 @@ class _ChatScreenState extends State<ChatScreen> with TickerProviderStateMixin {
             ),
           Flexible(
             child: Container(
-              padding: const EdgeInsets.symmetric(horizontal: 20.0, vertical: 14.0),
+              padding: const EdgeInsets.symmetric(
+                horizontal: 20.0,
+                vertical: 14.0,
+              ),
               decoration: BoxDecoration(
-                gradient: isAssistant 
+                gradient: isAssistant
-                  ? const LinearGradient(
+                    ? const LinearGradient(
-                      colors: [Color(0xFFF1F5F9), Color(0xFFE2E8F0)], // Light bubbles
+                        colors: [
-                      begin: Alignment.topLeft,
+                          Color(0xFFF1F5F9),
-                      end: Alignment.bottomRight,
+                          Color(0xFFE2E8F0),
-                    )
+                        ], // Light bubbles
-                  : const LinearGradient(
+                        begin: Alignment.topLeft,
-                      colors: [Color(0xFF8ad5c9), Color(0xFF57a7ed)], // Mint & Blue bubbles
+                        end: Alignment.bottomRight,
-                      begin: Alignment.centerLeft,
+                      )
-                      end: Alignment.centerRight,
+                    : const LinearGradient(
-                    ),
+                        colors: [
+                          Color(0xFF8ad5c9),
+                          Color(0xFF57a7ed),
+                        ], // Mint & Blue bubbles
+                        begin: Alignment.centerLeft,
+                        end: Alignment.centerRight,
+                      ),
                 borderRadius: BorderRadius.only(
                   topLeft: const Radius.circular(20),
                   topRight: const Radius.circular(20),
@@ -106,9 +155,11 @@ class _ChatScreenState extends State<ChatScreen> with TickerProviderStateMixin {
                   ),
                 ],
                 border: Border.all(
-                  color: isAssistant ? Colors.black.withOpacity(0.05) : Colors.transparent,
+                  color: isAssistant
+                      ? Colors.black.withOpacity(0.05)
+                      : Colors.transparent,
                   width: 1,
-                )
+                ),
               ),
               child: Text(
                 message.text,
@@ -126,7 +177,10 @@ class _ChatScreenState extends State<ChatScreen> with TickerProviderStateMixin {
               decoration: BoxDecoration(
                 shape: BoxShape.circle,
                 gradient: const LinearGradient(
-                  colors: [Color(0xFF57a7ed), Color(0xFF3A8BD1)], // User avatar gradient
+                  colors: [
+                    Color(0xFF57a7ed),
+                    Color(0xFF3A8BD1),
+                  ], // User avatar gradient
                   begin: Alignment.topLeft,
                   end: Alignment.bottomRight,
                 ),
@@ -172,9 +226,14 @@ class _ChatScreenState extends State<ChatScreen> with TickerProviderStateMixin {
             ),
           ),
           Container(
-            padding: const EdgeInsets.symmetric(horizontal: 16.0, vertical: 12.0),
+            padding: const EdgeInsets.symmetric(
+              horizontal: 16.0,
+              vertical: 12.0,
+            ),
             decoration: BoxDecoration(
-              color: const Color(0xFFF1F5F9), // Typing bubble matching assistant light bubble
+              color: const Color(
+                0xFFF1F5F9,
+              ), // Typing bubble matching assistant light bubble
               borderRadius: const BorderRadius.only(
                 topLeft: Radius.circular(20),
                 topRight: Radius.circular(20),
@@ -240,7 +299,9 @@ class _ChatScreenState extends State<ChatScreen> with TickerProviderStateMixin {
                 Expanded(
                   child: Container(
                     decoration: BoxDecoration(
-                      color: const Color(0xFFF1F5F9), // Light input box background
+                      color: const Color(
+                        0xFFF1F5F9,
+                      ), // Light input box background
                       borderRadius: BorderRadius.circular(30.0),
                       border: Border.all(color: Colors.black.withOpacity(0.05)),
                       boxShadow: [
@@ -257,9 +318,14 @@ class _ChatScreenState extends State<ChatScreen> with TickerProviderStateMixin {
                       style: const TextStyle(color: Colors.black87),
                       decoration: InputDecoration(
                         hintText: "Message EPVChat!...",
-                        hintStyle: TextStyle(color: Colors.black.withOpacity(0.4)),
+                        hintStyle: TextStyle(
+                          color: Colors.black.withOpacity(0.4),
+                        ),
                         border: InputBorder.none,
-                        contentPadding: const EdgeInsets.symmetric(horizontal: 24.0, vertical: 14.0),
+                        contentPadding: const EdgeInsets.symmetric(
+                          horizontal: 24.0,
+                          vertical: 14.0,
+                        ),
                       ),
                     ),
                   ),
@@ -268,7 +334,10 @@ class _ChatScreenState extends State<ChatScreen> with TickerProviderStateMixin {
                 Container(
                   decoration: BoxDecoration(
                     gradient: const LinearGradient(
-                      colors: [Color(0xFF8ad5c9), Color(0xFF57a7ed)], // Mint & Blue send button
+                      colors: [
+                        Color(0xFF8ad5c9),
+                        Color(0xFF57a7ed),
+                      ], // Mint & Blue send button
                       begin: Alignment.topLeft,
                       end: Alignment.bottomRight,
                     ),
@@ -282,7 +351,11 @@ class _ChatScreenState extends State<ChatScreen> with TickerProviderStateMixin {
                     ],
                   ),
                   child: IconButton(
-                    icon: const Icon(Icons.send_rounded, color: Colors.white, size: 20),
+                    icon: const Icon(
+                      Icons.send_rounded,
+                      color: Colors.white,
+                      size: 20,
+                    ),
                     onPressed: () => _handleSubmitted(_textController.text),
                   ),
                 ),
@@ -306,7 +379,10 @@ class _ChatScreenState extends State<ChatScreen> with TickerProviderStateMixin {
             child: AppBar(
               title: ShaderMask(
                 shaderCallback: (bounds) => const LinearGradient(
-                  colors: [Color(0xFF8ad5c9), Color(0xFF57a7ed)], // Text gradient header
+                  colors: [
+                    Color(0xFF8ad5c9),
+                    Color(0xFF57a7ed),
+                  ], // Text gradient header
                   begin: Alignment.topLeft,
                   end: Alignment.bottomRight,
                 ).createShader(bounds),
@@ -319,7 +395,9 @@ class _ChatScreenState extends State<ChatScreen> with TickerProviderStateMixin {
                   ),
                 ),
               ),
-              backgroundColor: Colors.white.withOpacity(0.7), // Light Header backgrop
+              backgroundColor: Colors.white.withOpacity(
+                0.7,
+              ), // Light Header backgrop
               elevation: 0,
               centerTitle: true,
               bottom: PreferredSize(
@@ -342,7 +420,7 @@ class _ChatScreenState extends State<ChatScreen> with TickerProviderStateMixin {
               Colors.white,
               Color(0xFFF8FAFC), // Slate 50
             ],
-          )
+          ),
         ),
         child: SafeArea(
           bottom: false,

pubspec.lock

@@ -75,6 +75,22 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  http:
+    dependency: "direct main"
+    description:
+      name: http
+      sha256: "87721a4a50b19c7f1d49001e51409bddc46303966ce89a65af4f4e6004896412"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.6.0"
+  http_parser:
+    dependency: transitive
+    description:
+      name: http_parser
+      sha256: "178d74305e7866013777bab2c3d8726205dc5a4dd935297175b19a23a2e66571"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.1.2"
   leak_tracker:
     dependency: transitive
     description:
@@ -192,6 +208,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.7.10"
+  typed_data:
+    dependency: transitive
+    description:
+      name: typed_data
+      sha256: f9049c039ebfeb4cf7a7104a675823cd72dba8297f264b6637062516699fa006
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.4.0"
   vector_math:
     dependency: transitive
     description:
@@ -208,6 +232,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "15.0.2"
+  web:
+    dependency: transitive
+    description:
+      name: web
+      sha256: "868d88a33d8a87b18ffc05f9f030ba328ffefba92d6c127917a2ba740f9cfe4a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.1"
 sdks:
   dart: ">=3.11.1 <4.0.0"
   flutter: ">=3.18.0-18.0.pre.54"

pubspec.yaml

@@ -34,6 +34,7 @@ dependencies:
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
   cupertino_icons: ^1.0.8
+  http: ^1.6.0
 
 dev_dependencies:
   flutter_test: