import 'dart:io';

import 'package:app_installer/app_installer.dart';
import 'package:dio/dio.dart';
import 'package:flustars_flutter3/flustars_flutter3.dart';
import 'package:flutter/material.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
import 'package:dreampad/app/shared/constants/constants.dart';

class UpdateDialog extends StatefulWidget {
  const UpdateDialog({
    super.key,
    required this.url,
  });
  final String url;
  @override
  State<UpdateDialog> createState() => _UpdateDialogState();
}

class _UpdateDialogState extends State<UpdateDialog> {
  final CancelToken _cancelToken = CancelToken();
  double _value = 0;

  @override
  void initState() {
    super.initState();
    download(widget.url);
  }

  @override
  void dispose() {
    if (!_cancelToken.isCancelled && _value != 1) {
      _cancelToken.cancel();
    }
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    final Color primaryColor = Theme.of(context).primaryColor;
    return Container(
      height: 168.h,
      width: 468.w,
      padding: REdgeInsets.symmetric(horizontal: 18.0, vertical: 18.0),
      decoration: BoxDecoration(
        color: Colors.transparent,
        borderRadius: BorderRadius.circular(9.0).r,
      ),
      child: Column(
        mainAxisAlignment: MainAxisAlignment.center,
        crossAxisAlignment: CrossAxisAlignment.center,
        children: [
          LinearProgressIndicator(
            minHeight: 30.h,
            backgroundColor: Colors.white,
            valueColor: AlwaysStoppedAnimation<Color>(primaryColor),
            value: _value,
          ),
          Gaps.vGap8,
          Text('新版本下载中...', style: TextStyles.mediumWhite18),
        ],
      ),
    );
  }

  Future<void> download(url) async {
    try {
      DirectoryUtil.createStorageDirSync(category: 'download');
      final String path = DirectoryUtil.getStoragePath(
          category: 'download', fileName: 'dreampad', format: 'apk')!;
      final File file = File(path);

      await Dio().download(
        url,
        file.path,
        cancelToken: _cancelToken,
        onReceiveProgress: (int count, int total) {
          if (total != -1) {
            setState(() {
              _value = count / total;
            });

            if (count == total) {
              SmartDialog.dismiss();
              AppInstaller.installApk(path);
            }
          }
        },
      );
      // ignore: empty_catches
    } catch (e) {}
  }
}