import 'dart:ui';

import 'package:cpd_app/image_translator.dart';
import 'package:cpd_app/ocr_page.dart';
import 'package:cpd_app/session_list_view.dart';
import 'package:flutter/material.dart';

Future<void> main() async {
  FlutterView? flutterView = PlatformDispatcher.instance.views.firstOrNull;
  if (flutterView == null || flutterView.physicalSize.isEmpty) {
    PlatformDispatcher.instance.onMetricsChanged = () {
      flutterView = PlatformDispatcher.instance.views.firstOrNull;
      if (flutterView != null && !flutterView!.physicalSize.isEmpty) {
        PlatformDispatcher.instance.onMetricsChanged = null;
        runApp(const MyApp());
      }
    };
  } else {
    runApp(const MyApp());
  }
}

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return const MaterialApp(
      home: OpticText(),
    );
  }
}

class OpticText extends StatelessWidget {
  const OpticText({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: const Color.fromARGB(99, 78, 72, 72),
      appBar: AppBar(
        backgroundColor: const Color.fromARGB(255, 161, 120, 17),
        title: const Text('Optic Text'),
      ),
      body: Center(
        child: ElevatedButton(
          onPressed: () {
            Navigator.push(
              context,
              MaterialPageRoute(builder: (context) => const ImageToolsPage()),
            );
          },
          style: ElevatedButton.styleFrom(
              backgroundColor: const Color.fromARGB(255, 161, 120, 17),
              foregroundColor: const Color.fromARGB(255, 0, 0, 0)),
          child: const Text('Image Tools'),
        ),
      ),
    );
  }
}

class ImageToolsPage extends StatelessWidget {
  const ImageToolsPage({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: const Color.fromARGB(99, 78, 72, 72),
      appBar: AppBar(
        backgroundColor: const Color.fromARGB(255, 161, 120, 17),
        title: const Text('Image Tools'),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            ElevatedButton(
              key: const Key('ocr_button'),
              onPressed: () {
                Navigator.push(
                  context,
                  MaterialPageRoute(builder: (context) => const OCRPage()),
                );
              },
              style: ElevatedButton.styleFrom(
                  backgroundColor: const Color.fromARGB(255, 161, 120, 17),
                  foregroundColor: const Color.fromARGB(255, 0, 0, 0)),
              child: const Text('OCR'),
            ),
            ElevatedButton(
              onPressed: () {
                Navigator.push(
                  context,
                  MaterialPageRoute(
                      builder: (context) => const ImageTranslation()),
                );
              },
              style: ElevatedButton.styleFrom(
                  backgroundColor: const Color.fromARGB(255, 161, 120, 17),
                  foregroundColor: const Color.fromARGB(255, 0, 0, 0)),
              child: const Text('Image Translation'),
            ),
            ElevatedButton(
              onPressed: () {
                Navigator.push(
                  context,
                  MaterialPageRoute(
                      builder: (context) => const SessionListView()),
                );
              },
              style: ElevatedButton.styleFrom(
                  backgroundColor: const Color.fromARGB(255, 161, 120, 17),
                  foregroundColor: const Color.fromARGB(255, 0, 0, 0)),
              child: const Text('Previous Images'),
            ),
          ],
        ),
      ),
    );
  }
}