import 'dart:math';

import 'package:dio/dio.dart';
import 'package:flutter/material.dart';
import 'package:package_info_plus/package_info_plus.dart';
import 'package:qinglong_app/base/http/url.dart';
import 'package:qinglong_app/utils/extension.dart';
import 'package:url_launcher/url_launcher.dart';

import '../main.dart';

/// @author NewTab

class UpdateUtils {
  Future<String?> checkUpdate([bool remind = false]) async {
    try {
      PackageInfo packageInfo = await PackageInfo.fromPlatform();

      String version = packageInfo.version;
      String url = Url.checkUpdateUrl;
      Dio dio = Dio(BaseOptions(
        connectTimeout: 50000,
        receiveTimeout: 50000,
        sendTimeout: 50000,
      ));
      var response = await dio.get(url);
      if (response.statusCode == 200) {
        if (version == response.data as String) {
          return null;
        }
        return response.data as String;
      }
    } on DioError catch (e) {
      if (remind) {
        "无法连接到github服务器,版本更新检测失败".toast();
      }
      logger.e(e);
      return null;
    }
  }

  static void launchURL(String version) async {
    try {
      await launch("https://github.com/qinglong-app/qinglong_app/releases/download/v$version/app-release-v$version.apk");
    } catch (e) {
      logger.e(e);
    }
  }
}

///版本更新加提示框
class UpdateDialog {
  bool _isShowing = false;
  late BuildContext _context;
  late UpdateWidget _widget;

  UpdateDialog(BuildContext context,
      {double width = 0.0,
      required String title,
      required String updateContent,
      required VoidCallback onUpdate,
      double titleTextSize = 16.0,
      double contentTextSize = 14.0,
      double buttonTextSize = 14.0,
      double progress = -1.0,
      Color progressBackgroundColor = const Color(0xFFFFCDD2),
      Image? topImage,
      double extraHeight = 5.0,
      double radius = 4.0,
      Color themeColor = Colors.red,
      bool enableIgnore = false,
      VoidCallback? onIgnore,
      bool isForce = false,
      String? updateButtonText,
      String? ignoreButtonText,
      VoidCallback? onClose}) {
    _context = context;
    _widget = UpdateWidget(
        width: width,
        title: title,
        updateContent: updateContent,
        onUpdate: onUpdate,
        titleTextSize: titleTextSize,
        contentTextSize: contentTextSize,
        buttonTextSize: buttonTextSize,
        progress: progress,
        topImage: topImage,
        extraHeight: extraHeight,
        radius: radius,
        themeColor: themeColor,
        progressBackgroundColor: progressBackgroundColor,
        enableIgnore: enableIgnore,
        onIgnore: onIgnore,
        isForce: isForce,
        updateButtonText: updateButtonText ?? '更新',
        ignoreButtonText: ignoreButtonText ?? '忽略此版本',
        onClose: onClose ?? () => dismiss());
  }

  /// 显示弹窗
  Future<bool> show() {
    try {
      if (isShowing()) {
        return Future<bool>.value(false);
      }
      showDialog<bool>(
          context: _context,
          barrierDismissible: false,
          builder: (BuildContext context) {
            return WillPopScope(onWillPop: () => Future<bool>.value(false), child: _widget);
          });
      _isShowing = true;
      return Future<bool>.value(true);
    } catch (err) {
      _isShowing = false;
      return Future<bool>.value(false);
    }
  }

  /// 隐藏弹窗
  Future<bool> dismiss() {
    try {
      if (_isShowing) {
        _isShowing = false;
        Navigator.pop(_context);
        return Future<bool>.value(true);
      } else {
        return Future<bool>.value(false);
      }
    } catch (err) {
      return Future<bool>.value(false);
    }
  }

  /// 是否显示
  bool isShowing() {
    return _isShowing;
  }

  /// 更新进度
  void update(double progress) {
    if (isShowing()) {
      _widget.update(progress);
    }
  }

  /// 显示版本更新提示框
  static UpdateDialog showUpdate(BuildContext context,
      {double width = 0.0,
      required String title,
      required String updateContent,
      required VoidCallback onUpdate,
      double titleTextSize = 16.0,
      double contentTextSize = 14.0,
      double buttonTextSize = 14.0,
      double progress = -1.0,
      Color progressBackgroundColor = const Color(0xFFFFCDD2),
      Image? topImage,
      double extraHeight = 5.0,
      double radius = 4.0,
      Color themeColor = Colors.red,
      bool enableIgnore = false,
      VoidCallback? onIgnore,
      String? updateButtonText,
      String? ignoreButtonText,
      bool isForce = false}) {
    final UpdateDialog dialog = UpdateDialog(context,
        width: width,
        title: title,
        updateContent: updateContent,
        onUpdate: onUpdate,
        titleTextSize: titleTextSize,
        contentTextSize: contentTextSize,
        buttonTextSize: buttonTextSize,
        progress: progress,
        topImage: topImage,
        extraHeight: extraHeight,
        radius: radius,
        themeColor: themeColor,
        progressBackgroundColor: progressBackgroundColor,
        enableIgnore: enableIgnore,
        isForce: isForce,
        updateButtonText: updateButtonText,
        ignoreButtonText: ignoreButtonText,
        onIgnore: onIgnore);
    dialog.show();
    return dialog;
  }
}

// ignore: must_be_immutable
class UpdateWidget extends StatefulWidget {
  /// 对话框的宽度
  final double width;

  /// 升级标题
  final String title;

  /// 更新内容
  final String updateContent;

  /// 标题文字的大小
  final double titleTextSize;

  /// 更新文字内容的大小
  final double contentTextSize;

  /// 按钮文字的大小
  final double buttonTextSize;

  /// 顶部图片
  final Widget? topImage;

  /// 拓展高度(适配顶部图片高度不一致的情况）
  final double extraHeight;

  /// 边框圆角大小
  final double radius;

  /// 主题颜色
  final Color themeColor;

  /// 更新事件
  final VoidCallback onUpdate;

  /// 可忽略更新
  final bool enableIgnore;

  /// 更新事件
  final VoidCallback? onIgnore;

  double progress;

  /// 进度条的背景颜色
  final Color progressBackgroundColor;

  /// 更新事件
  final VoidCallback? onClose;

  /// 是否是强制更新
  final bool isForce;

  /// 更新按钮内容
  final String updateButtonText;

  /// 忽略按钮内容
  final String ignoreButtonText;

  UpdateWidget(
      {Key? key,
      this.width = 0.0,
      required this.title,
      required this.updateContent,
      required this.onUpdate,
      this.titleTextSize = 16.0,
      this.contentTextSize = 14.0,
      this.buttonTextSize = 14.0,
      this.progress = -1.0,
      this.progressBackgroundColor = const Color(0xFFFFCDD2),
      this.topImage,
      this.extraHeight = 5.0,
      this.radius = 4.0,
      this.themeColor = Colors.red,
      this.enableIgnore = false,
      this.onIgnore,
      this.isForce = false,
      this.updateButtonText = '更新',
      this.ignoreButtonText = '忽略此版本',
      this.onClose})
      : super(key: key);

  final _UpdateWidgetState _state = _UpdateWidgetState();

  void update(double progress) {
    _state.update(progress);
  }

  @override
  _UpdateWidgetState createState() => _state;
}

class _UpdateWidgetState extends State<UpdateWidget> {
  void update(double progress) {
    if (!mounted) {
      return;
    }
    setState(() {
      widget.progress = progress;
    });
  }

  @override
  Widget build(BuildContext context) {
    final double dialogWidth = widget.width <= 0 ? getFitWidth(context) * 0.618 : widget.width;
    return Material(
        type: MaterialType.transparency,
        child: SizedBox(
          width: dialogWidth,
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            crossAxisAlignment: CrossAxisAlignment.center,
            children: <Widget>[
              SizedBox(
                width: dialogWidth,
                child: widget.topImage ?? Image.asset('assets/images/update_bg_app_top.png', fit: BoxFit.fill),
              ),
              Container(
                width: dialogWidth,
                alignment: Alignment.center,
                padding: const EdgeInsets.only(left: 16, right: 16, top: 8, bottom: 8),
                decoration: ShapeDecoration(
                  color: Colors.white,
                  shape: RoundedRectangleBorder(
                    borderRadius: BorderRadius.only(bottomLeft: Radius.circular(widget.radius), bottomRight: Radius.circular(widget.radius)),
                  ),
                ),
                child: SingleChildScrollView(
                    child: Column(
                  crossAxisAlignment: CrossAxisAlignment.start,
                  children: <Widget>[
                    Container(
                      padding: EdgeInsets.only(top: widget.extraHeight),
                      child: Text(widget.title, style: TextStyle(fontSize: widget.titleTextSize, color: Colors.black)),
                    ),
                    Padding(
                      padding: const EdgeInsets.symmetric(vertical: 10),
                      child: Text(widget.updateContent, style: TextStyle(fontSize: widget.contentTextSize, color: const Color(0xFF666666))),
                    ),
                    Column(children: <Widget>[
                      FractionallySizedBox(
                        widthFactor: 1,
                        child: ElevatedButton(
                          style: ButtonStyle(
                            tapTargetSize: MaterialTapTargetSize.shrinkWrap,
                            textStyle: MaterialStateProperty.all(TextStyle(fontSize: widget.buttonTextSize)),
                            foregroundColor: MaterialStateProperty.all(Colors.white),
                            shape: MaterialStateProperty.all(RoundedRectangleBorder(borderRadius: BorderRadius.circular(5))),
                            elevation: MaterialStateProperty.all(0),
                            backgroundColor: MaterialStateProperty.all(widget.themeColor),
                          ),
                          child: Text(widget.updateButtonText),
                          onPressed: widget.onUpdate,
                        ),
                      ),
                      if (widget.enableIgnore && widget.onIgnore != null)
                        FractionallySizedBox(
                            widthFactor: 1,
                            child: TextButton(
                              style: ButtonStyle(
                                tapTargetSize: MaterialTapTargetSize.shrinkWrap,
                                textStyle: MaterialStateProperty.all(TextStyle(fontSize: widget.buttonTextSize)),
                                foregroundColor: MaterialStateProperty.all(const Color(0xFF666666)),
                                shape: MaterialStateProperty.all(RoundedRectangleBorder(borderRadius: BorderRadius.circular(5))),
                              ),
                              child: Text(widget.ignoreButtonText),
                              onPressed: widget.onIgnore,
                            ))
                      else
                        const SizedBox()
                    ]),
                  ],
                )),
              ),
              if (!widget.isForce)
                Column(children: <Widget>[
                  const SizedBox(width: 1.5, height: 50, child: DecoratedBox(decoration: BoxDecoration(color: Colors.white))),
                  IconButton(
                    iconSize: 30,
                    constraints: const BoxConstraints(maxHeight: 30, maxWidth: 30),
                    padding: EdgeInsets.zero,
                    icon: Image.asset(
                      'assets/images/update_ic_close.png',
                    ),
                    onPressed: widget.onClose,
                  )
                ])
              else
                const SizedBox()
            ],
          ),
        ));
  }

  double getFitWidth(BuildContext context) {
    return min(getScreenHeight(context), getScreenWidth(context));
  }

  double getScreenHeight(BuildContext context) {
    return MediaQuery.of(context).size.height;
  }

  double getScreenWidth(BuildContext context) {
    return MediaQuery.of(context).size.width;
  }
}