AI a funcionar

2026-03-13 17:47:25 +00:00
parent 39c67599d1
commit 16da3cc164
3 changed files with 146 additions and 35 deletions
--- a/lib/chat_screen.dart
+++ b/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});
@@ -21,7 +23,7 @@ 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();
@@ -31,18 +33,54 @@ class _ChatScreenState extends State<ChatScreen> with TickerProviderStateMixin {
      _isTyping = true;
    });

-    // Simulate EPVChat! typing delay
-    Future.delayed(const Duration(milliseconds: 1500), () {
+    try {
+      // 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} - ${response.body}',
+        );
+      }
+    } catch (e) {
      if (mounted) {
        setState(() {
          _isTyping = false;
-          _messages.insert(0, ChatMessage(
-            text: "This is a simulated modern response to: \"$text\"",
-            isAssistant: true,
-          ));
+          _messages.insert(
+            0,
+            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
-                  ? const LinearGradient(
-                      colors: [Color(0xFFF1F5F9), Color(0xFFE2E8F0)], // Light bubbles
-                      begin: Alignment.topLeft,
-                      end: Alignment.bottomRight,
-                    )
-                  : const LinearGradient(
-                      colors: [Color(0xFF8ad5c9), Color(0xFF57a7ed)], // Mint & Blue bubbles
-                      begin: Alignment.centerLeft,
-                      end: Alignment.centerRight,
-                    ),
+                    ? const LinearGradient(
+                        colors: [
+                          Color(0xFFF1F5F9),
+                          Color(0xFFE2E8F0),
+                        ], // Light bubbles
+                        begin: Alignment.topLeft,
+                        end: Alignment.bottomRight,
+                      )
+                    : 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,
--- a/pubspec.lock
+++ b/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"
--- a/pubspec.yaml
+++ b/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: