import 'dart:io';
import 'package:flutter/material.dart';
import 'package:flutter_tflite/flutter_tflite.dart';
import 'package:image_picker/image_picker.dart';
import 'package:tfltiemy/splashscreen.dart';
import 'dart:developer' as devtools;

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Frescitrico',
      theme: ThemeData(
        colorScheme: ColorScheme.fromSeed(seedColor: Colors.orange),
        useMaterial3: true,
      ),
      debugShowCheckedModeBanner: false,
      home: SplashScreen(),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key});

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  File? filePath;
  String label = 'Hasil Klasifikasi';
  double confidence = 0.0;

  @override
  void initState() {
    super.initState();
    _loadModel();
  }

  Future<void> _loadModel() async {
    try {
      String? res = await Tflite.loadModel(
        model: "assets/modeljeruk.tflite",
        labels: "assets/labels.txt",
        numThreads: 1,
        isAsset: true,
        useGpuDelegate: false,
      );
      devtools.log("Model loaded: $res");
    } catch (e) {
      devtools.log("Error loading model: $e");
    }
  }

  Future<void> _runModel(File imageFile) async {
    try {
      var recognitions = await Tflite.runModelOnImage(
        path: imageFile.path,
        imageMean: 0.0,
        imageStd: 255.0,
        numResults: 2,
        threshold: 0.2,
        asynch: true,
      );

      if (recognitions != null && recognitions.isNotEmpty) {
        setState(() {
          confidence = (recognitions[0]['confidence'] as double) * 100;
          label = recognitions[0]['label'] as String;
        });
      } else {
        devtools.log("No recognitions found.");
      }
    } catch (e) {
      devtools.log("Error running model: $e");
    }
  }

  Future<void> _pickImage(ImageSource source) async {
    try {
      final picker = ImagePicker();
      final XFile? image = await picker.pickImage(source: source);

      if (image == null) return;

      final imageFile = File(image.path);

      setState(() {
        filePath = imageFile;
        label = "Processing...";
        confidence = 0.0;
      });

      await _runModel(imageFile);
    } catch (e) {
      devtools.log("Error picking image: $e");
    }
  }

  @override
  void dispose() {
    Tflite.close();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        backgroundColor: Colors.orange,
        title: Padding(
          padding: const EdgeInsets.only(
            left: 5,
          ), // Memberikan jarak 20 dari kiri
          child: const Text(
            "Frescitrico",
            style: TextStyle(
              color: Colors.white,
              fontWeight: FontWeight.w800,
              fontSize: 25, // Menambahkan fontWeight
            ),
          ),
        ),
        centerTitle: false, // Pastikan ini false untuk membuat judul rata kiri
      ),

      body: SingleChildScrollView(
        child: Column(
          children: [
            const SizedBox(height: 20),
            // Area Hasil Gambar
            Container(
              margin: const EdgeInsets.symmetric(horizontal: 20),
              padding: const EdgeInsets.all(16),
              decoration: BoxDecoration(
                color: Colors.orange.shade100,
                borderRadius: BorderRadius.circular(10),
                boxShadow: [
                  BoxShadow(
                    color: Colors.orange.withOpacity(0.3),
                    blurRadius: 0,
                    offset: const Offset(0, 0),
                  ),
                ],
              ),
              child: Column(
                children: [
                  Container(
                    height: 290,
                    width: 290,
                    decoration: BoxDecoration(
                      image:
                          filePath == null
                              ? const DecorationImage(
                                image: AssetImage('assets/uploadilu.png'),
                                fit: BoxFit.contain,
                              )
                              : null,
                      borderRadius: BorderRadius.circular(10),
                    ),
                    child:
                        filePath == null
                            ? const SizedBox()
                            : Image.file(filePath!, fit: BoxFit.contain),
                  ),
                  const SizedBox(height: 20),
                  Text(
                    label,
                    style: const TextStyle(
                      fontSize: 18,
                      fontWeight: FontWeight.bold,
                      color: Colors.black,
                    ),
                  ),
                  // const SizedBox(height: 5),
                  // Text(
                  //   confidence > 0
                  //       ? "Confidence: ${confidence.toStringAsFixed(2)}%"
                  //       : "Ambil gambar untuk memulai",
                  //   style: const TextStyle(fontSize: 16),
                  // ),
                ],
              ),
            ),
            const SizedBox(height: 20),
            const Padding(
              padding: EdgeInsets.symmetric(horizontal: 20),
              child: Text(
                "Ambil gambar buah jeruk dengan kamera atau pilih dari galeri, dan temukan hasilnya segera!!!",
                textAlign: TextAlign.justify,
                style: TextStyle(fontSize: 16, fontWeight: FontWeight.w500),
              ),
            ),
            const SizedBox(height: 20),
            // Tombol Kamera
            Padding(
              padding: const EdgeInsets.symmetric(horizontal: 20),
              child: ElevatedButton.icon(
                onPressed: () => _pickImage(ImageSource.camera),
                style: ElevatedButton.styleFrom(
                  backgroundColor: Colors.orange,
                  // padding: const EdgeInsets.symmetric(
                  //   horizontal: 0,
                  //   vertical: 20,
                  // ),
                  minimumSize: Size.fromHeight(60),
                  shape: RoundedRectangleBorder(
                    borderRadius: BorderRadius.circular(8),
                  ),
                ),
                icon: const Icon(
                  Icons.camera_alt,
                  size: 26,
                  color: Color.fromARGB(255, 255, 255, 255),
                ),
                label: const Text(
                  "Buka Kamera",
                  style: TextStyle(color: Colors.white, fontSize: 17),
                ),
              ),
            ),
            const SizedBox(height: 10),
            // Tombol Galeri
            Padding(
              padding: const EdgeInsets.symmetric(horizontal: 20),
              child: ElevatedButton.icon(
                onPressed: () => _pickImage(ImageSource.gallery),
                style: ElevatedButton.styleFrom(
                  backgroundColor: Colors.orange,
                  // padding: const EdgeInsets.symmetric(
                  //   horizontal: 104,
                  //   vertical: 20,
                  // ),
                  minimumSize: Size.fromHeight(60),
                  shape: RoundedRectangleBorder(
                    borderRadius: BorderRadius.circular(8),
                  ),
                ),
                icon: const Icon(Icons.image, size: 26, color: Colors.white),
                label: const Text(
                  "Unggah Dari File",
                  style: TextStyle(color: Colors.white, fontSize: 17),
                ),
              ),
            ),
          ],
        ),
      ),
    );
  }
}