API eklentilerin lisanslı olarak var ise buyur..

import 'dart:convert';
import 'package:flutter/material.dart';
import 'package:google_fonts/google_fonts.dart';
import 'package:http/http.dart' as http;

void main() {
runApp(OpenAICommentApp());
}

class OpenAICommentApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'OpenAI Comment Generator',
theme: ThemeData(
brightness: Brightness.light,
primarySwatch: Colors.indigo,
textTheme: GoogleFonts.poppinsTextTheme(
Theme.of(context).textTheme,
),
scaffoldBackgroundColor: Colors.white,
elevatedButtonTheme: ElevatedButtonThemeData(
style: ElevatedButton.styleFrom(
padding: EdgeInsets.symmetric(vertical: 14, horizontal: 24),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
),
textStyle: TextStyle(fontSize: 18, fontWeight: FontWeight.w600),
),
),
inputDecorationTheme: InputDecorationTheme(
filled: true,
fillColor: Colors.grey[100],
contentPadding: EdgeInsets.symmetric(vertical: 14, horizontal: 16),
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(12),
borderSide: BorderSide.none,
),
floatingLabelBehavior: FloatingLabelBehavior.auto,
),
),
home: CommentFormPage(),
);
}
}

class CommentFormPage extends StatefulWidget {
@override
_CommentFormPageState createState() => _CommentFormPageState();
}

class _CommentFormPageState extends State<CommentFormPage> {
final _formKey = GlobalKey<FormState>();

final TextEditingController _info1Controller = TextEditingController();
final TextEditingController _info2Controller = TextEditingController();
final TextEditingController _info3Controller = TextEditingController();
final TextEditingController _info4Controller = TextEditingController();
final TextEditingController _info5Controller = TextEditingController();

String? _responseText;
bool _isLoading = false;
String? _errorText;

// TODO: Replace with your actual OpenAI API key
static const String openaiApiKey = 'YOUR_OPENAI_API_KEY_HERE';

Future<void> _generateComment() async {
if (!_formKey.currentState!.validate()) return;

setState(() {
_isLoading = true;
_responseText = null;
_errorText = null;
});

final prompt = '''
Arka plandaki bilgiler:
1. ${_info1Controller.text.trim()}
2. ${_info2Controller.text.trim()}
3. ${_info3Controller.text.trim()}
4. ${_info4Controller.text.trim()}
5. ${_info5Controller.text.trim()}

Bu bilgilere dayanarak kısa ve açıklayıcı bir yorum yapınız.
''';

try {
final response = await http.post(
Uri.parse('https://api.openai.com/v1/chat/completions'),
headers: {
'Content-Type': 'application/json',
'Authorization': 'Bearer $openaiApiKey',
},
body: jsonEncode({
"model": "gpt-3.5-turbo",
"messages": [
{"role": "system", "content": "Sen akıllı ve bilgilendirici bir yorumcusun."},
{"role": "user", "content": prompt}
],
"max_tokens": 150,
"temperature": 0.7,
"n": 1,
"stop": null
}),
);

if (response.statusCode == 200) {
final data = jsonDecode(response.body);
final generatedText = data['choices'][0]['message']['content'];
setState(() {
_responseText = generatedText.trim();
});
} else {
setState(() {
_errorText = 'API hatası: ${response.statusCode}';
});
}
} catch (e) {
setState(() {
_errorText = 'Bir hata oluştu: $e';
});
} finally {
setState(() {
_isLoading = false;
});
}
}

@override
void dispose() {
_info1Controller.dispose();
_info2Controller.dispose();
_info3Controller.dispose();
_info4Controller.dispose();
_info5Controller.dispose();
super.dispose();
}

Widget _buildTextField(TextEditingController controller, String label) {
return Padding(
padding: const EdgeInsets.symmetric(vertical: 8.0),
child: TextFormField(
controller: controller,
decoration: InputDecoration(
labelText: label,
),
validator: (value) {
if (value == null || value.trim().isEmpty) {
return 'Lütfen bu alanı doldurun';
}
return null;
},
),
);
}

@override
Widget build(BuildContext context) {
final spacing = SizedBox(height: 24);
return Scaffold(
appBar: AppBar(
title: Text('OpenAI Yorum Oluşturucu'),
centerTitle: true,
elevation: 2,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.vertical(bottom: Radius.circular(12)),
),
),
body: SingleChildScrollView(
padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 32),
child: Form(
key: _formKey,
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
Text(
'Bilgileri Girin',
style: TextStyle(
fontSize: 28,
fontWeight: FontWeight.w700,
color: Colors.indigo[900],
),
textAlign: TextAlign.center,
),
spacing,
_buildTextField(_info1Controller, 'Bilgi 1'),
_buildTextField(_info2Controller, 'Bilgi 2'),
_buildTextField(_info3Controller, 'Bilgi 3'),
_buildTextField(_info4Controller, 'Bilgi 4'),
_buildTextField(_info5Controller, 'Bilgi 5'),
SizedBox(height: 32),
ElevatedButton(
onPressed: _isLoading ? null : _generateComment,
child: _isLoading
? SizedBox(
height: 20,
width: 20,
child: CircularProgressIndicator(
strokeWidth: 3,
color: Colors.white,
),
)
: Text('Yorum Oluştur'),
),
spacing,
if (_responseText != null)
Container(
padding: EdgeInsets.all(16),
decoration: BoxDecoration(
color: Colors.indigo.shade50,
borderRadius: BorderRadius.circular(12),
boxShadow: [
BoxShadow(
color: Colors.indigo.shade100,
blurRadius: 8,
offset: Offset(0, 4),
),
],
),
child: Text(
_responseText!,
style: TextStyle(
fontSize: 16,
color: Colors.indigo[900],
height: 1.4,
),
),
),
if (_errorText != null) ...[
SizedBox(height: 16),
Text(
_errorText!,
style: TextStyle(color: Colors.red[700], fontWeight: FontWeight.w600),
textAlign: TextAlign.center,
),
],
],
),
),
),
);
}
}