import 'package:dart_jts/dart_jts.dart';
import 'package:flutter/material.dart';
import 'package:flutter_rust_bridge/flutter_rust_bridge.dart';
import 'package:get/get.dart';
import 'package:grpc/grpc.dart';
import 'package:trackoffical_app/exception/exception.dart';
import 'package:trackoffical_app/logger.dart';
import 'package:trackoffical_app/route.dart';
import 'package:trackoffical_app/service/game/game_manager_service.dart';
import 'package:trackoffical_app/service/mock.dart';
import 'package:trackoffical_app/styles/theme.dart';
import 'package:trackoffical_app/view/ingame/game_guardian/guardian_watch_game_view.dart';
import '../../service/game/game.dart';
import 'in_game_view.dart';

class InGameLoadingController extends GetxController {
  double get loadProgress => GameService.to.loadProgress;
  Worker? worker;

  @override
  void onReady() {
    super.onReady();

    GameService.to.gameLoad().then(
        (value) => Get.offAll(() => const InGameView(),
            binding: InGameView.bindings()), onError: (e) {
      error('加载失败：', e);
      var msg = e.toString();
      if (e is FfiException) {
        GameService.to.gameGiveUp();
        msg = '地图包错误：${e.message}';
      }
      Get.dialog(AlertDialog(
        icon: const Icon(Icons.error, color: Colors.red),
        title: const Text('加载失败！'),
        content: Text(msg),
        actions: [
          FilledButton(
              onPressed: () {
                Get.offAllNamed(RouteName.home);
              },
              child: const Text('确定'))
        ],
      ));
    });
  }

  void onBack() {}
}

class GuardianLoadingController extends InGameLoadingController {
  @override
  void onReady() {
    final underGuardianId = Get.arguments;
    if (underGuardianId is! int) {
      throw RuntimeException('Argument not int: ${Get.arguments}');
    }



    GameManagerService.to.guardianStart(underGuardianId).then((value) {
      Get.off(() => const GuardianWatchGameView(),
          binding: GuardianWatchGameView.bindings(),
          arguments: underGuardianId);
    }, onError: (e) {
      if (e is FutureCancel) {
        return;
      }

      error('加载失败：', e);
      var msg = e.toString();
      if (e is FfiException) {
        msg = '地图包错误：${e.message}';
      }
      if (e is GrpcError) {
        msg = '${e.message}';
      }
      Get.dialog(AlertDialog(
        icon: const Icon(Icons.error, color: Colors.red),
        title: const Text('加载失败！'),
        content: Text(msg),
        actions: [
          FilledButton(
              onPressed: () {
                Get.offAllNamed(RouteName.home);
              },
              child: const Text('确定'))
        ],
      ));
    });

    100.milliseconds.delay().then((value){
      final instance = GameManagerService.to.instance;
      if(instance!=null && !isClosed){
        _loadProgress.bindStream(instance.loadProgress.stream);
      }
    });
  }
  final _loadProgress = 0.0.obs;

  @override
  void onClose() {
    super.onClose();
    _loadProgress.close();
  }


  @override
  double get loadProgress => _loadProgress.value;

  @override
  void onBack() {
    GameManagerService.to.instanceStop();
  }
}

class InGameLoadingView extends GetView<InGameLoadingController> {
  const InGameLoadingView({super.key});

  static Bindings bindingsToGame() {
    return BindingsBuilder(() {
      Get.lazyPut<InGameLoadingController>(() => InGameLoadingController());
    });
  }

  static Bindings bindingsToGuardian() {
    return BindingsBuilder(() {
      Get.lazyPut<InGameLoadingController>(() => GuardianLoadingController());
    });
  }

  static void toGuardian(int id) {
    Get.to(() => const InGameLoadingView(),
        binding: bindingsToGuardian(), arguments: id);
  }

  @override
  Widget build(BuildContext context) {
    return WillPopScope(
        onWillPop: () async {
          controller.onBack();
          return true;
        },
        child: Scaffold(
            body: Center(
                child: Column(mainAxisSize: MainAxisSize.min, children: [
          Row(
              mainAxisSize: MainAxisSize.min,
              crossAxisAlignment: CrossAxisAlignment.center,
              children: [
                Text('载入中，请稍后', style: context.textTheme.titleLarge),
                Image.asset('assets/images/loading.gif', height: 48),
              ]),
          const SizedBox(height: 12),
          SizedBox(
            height: 26,
            width: 220,
            child: Obx(
                () => LinearProgressIndicator(value: controller.loadProgress)),
          )
        ]))));
  }
}

class InGameLoadingControllerMock extends InGameLoadingController {
  @override
  void onInit() {
    super.onInit();
    debug('onInit');
  }
}

void main() async {
  Mock.initServices();
  Get.put(GameService());
  var c = InGameLoadingControllerMock();
  Get.put<InGameLoadingController>(c);

  runApp(
      GetMaterialApp(theme: appThemeData(), home: const InGameLoadingView()));
}