import 'package:dating_touchme_app/extension/ex_widget.dart';
import 'package:dating_touchme_app/generated/assets.dart';
import 'package:dating_touchme_app/model/mine/app_version.dart';
import 'package:flutter/material.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:get/get.dart';
import 'package:ota_update/ota_update.dart';
import 'package:permission_handler/permission_handler.dart';
import 'package:tdesign_flutter/tdesign_flutter.dart';

class UpdateDialog extends StatefulWidget {

  final AppVersion version;
  const UpdateDialog({super.key, required this.version});

  @override
  State<UpdateDialog> createState() => _UpdateDialogState();

}

class _UpdateDialogState extends State<UpdateDialog> {

  bool updating = false;
  TDLabelWidget buttonLabel = const TDTextLabel('0%');
  double progressValue = 0.0;

  @override
  Widget build(BuildContext context) {
      return PopScope(
        canPop: !widget.version.isForcingUpdate!,
        onPopInvokedWithResult: (bool didPop, Object? result) async {
          if (didPop) {
            Get.back();
          }
        },
        child: Center(
            child: Container(
              color: Colors.transparent,
              width: 299.w,
              padding: EdgeInsets.only(top: 56.w),
              child: Stack(
                clipBehavior: Clip.none,
                children: [
                  Container(
                    width: 299.w,
                    padding: EdgeInsets.only(
                        top: 147.w,
                        left: 30.w,
                        right: 30.w,
                        bottom: 25.w
                    ),
                    decoration: BoxDecoration(
                        borderRadius: BorderRadius.all(Radius.circular(18.w)),
                        color: Colors.white
                    ),
                    child: Column(
                      crossAxisAlignment: CrossAxisAlignment.start,
                      mainAxisSize: MainAxisSize.min,
                      children: [
                        Text(
                          widget.version.title!,
                          style: TextStyle(
                              fontSize: 16.w,
                              fontWeight: FontWeight.w500
                          ),
                        ),
                        SizedBox(height: 14.w,),
                        Row(
                          crossAxisAlignment: CrossAxisAlignment.start,
                          children: [
                            SizedBox(
                              width: 204.w,
                              child: Text(
                                widget.version.description!,
                                style: TextStyle(
                                  fontSize: 12.w,
                                ),
                              ),
                            )
                          ],
                        ),
                        SizedBox(height: 32.w,),
                        updating ? TDProgress(
                          type: TDProgressType.button,
                          strokeWidth: 40.w,
                          value: progressValue,
                          onTap: manualApkInstaller,
                          label: buttonLabel,
                        ) :
                        !widget.version.isForcingUpdate! ? Row(
                          mainAxisAlignment: MainAxisAlignment.spaceBetween,
                          children: [
                            Container(
                              width: 113.w,
                              height: 40.w,
                              decoration: BoxDecoration(
                                  borderRadius: BorderRadius.all(Radius.circular(9.w)),
                                  color: const Color.fromRGBO(245, 245, 245, 1)
                              ),
                              child: Center(
                                child: Text(
                                  "暂不更新",
                                  style: TextStyle(
                                      fontSize: 15.w,
                                      color: const Color.fromRGBO(144, 144, 144, 1)
                                  ),
                                ),
                              ),
                            ).onTap((){
                              Navigator.of(context).pop();
                            }),
                            Container(
                              width: 113.w,
                              height: 40.w,
                              decoration: BoxDecoration(
                                borderRadius: BorderRadius.all(Radius.circular(9.w)),
                                color: const Color.fromRGBO(245, 245, 245, 1),
                                gradient: const LinearGradient(
                                  begin: Alignment.centerLeft,
                                  end: Alignment.centerRight, // 对应 CSS 90deg
                                  colors: [
                                    Color.fromRGBO(131, 89, 255, 1), // rgba(131, 89, 255, 1)
                                    Color.fromRGBO(61, 138, 224, 1), // rgba(61, 138, 224, 1)
                                  ],
                                ),
                              ),
                              child: Center(
                                child: Text(
                                  "立即升级",
                                  style: TextStyle(
                                      fontSize: 15.w,
                                      fontWeight: FontWeight.w500,
                                      color: Colors.white
                                  ),
                                ),
                              ),
                            ).onTap((){
                              downloadAndInstall(widget.version);
                            }),
                          ],
                        ) : Container(
                          width: 240.w,
                          height: 40.w,
                          decoration: BoxDecoration(
                            borderRadius: BorderRadius.all(Radius.circular(9.w)),
                            color: const Color.fromRGBO(245, 245, 245, 1),
                            gradient: const LinearGradient(
                              begin: Alignment.centerLeft,
                              end: Alignment.centerRight, // 对应 CSS 90deg
                              colors: [
                                Color.fromRGBO(131, 89, 255, 1), // rgba(131, 89, 255, 1)
                                Color.fromRGBO(61, 138, 224, 1), // rgba(61, 138, 224, 1)
                              ],
                            ),
                          ),
                          child: Center(
                            child: Text(
                              "立即升级",
                              style: TextStyle(
                                  fontSize: 15.w,
                                  fontWeight: FontWeight.w500,
                                  color: Colors.white
                              ),
                            ),
                          ),
                        ).onTap((){
                          downloadAndInstall(widget.version);
                        })
                      ],
                    ),
                  ),
                  Positioned(
                    left: 0,
                    top: -56.w,
                    child: Image.asset(
                      Assets.imagesUpdataBg,
                      width: 299.w,
                    ),
                  ),
                  Positioned(
                    left: 11.w,
                    top: -14.w,
                    child: Image.asset(
                      Assets.imagesUpdataIcon,
                      width: 36.w,
                    ),
                  ),
                  Positioned(
                    left: 43.w,
                    top: 29.w,
                    child: Image.asset(
                      Assets.imagesUpdataFont,
                      width: 76.w,
                    ),
                  )
                ],
              ),
            )
        ),
      );
  }

  downloadAndInstall(AppVersion version) async {
    // 请求权限
    final status = await Permission.storage.status;
    if (!status.isGranted) {
      final requestStatus = await Permission.storage.request();
      if (!requestStatus.isGranted) {
        throw Exception('需要存储权限才能下载更新');
      }
    }
    if (mounted) {
      setState(() {
        progressValue = 0.0;
        updating = true;
      });
    }
    Get.log('url:${version.url!}');
    try {
      OtaUpdate().execute(version.url!, destinationFilename: '趣恋恋_${version.version}.apk').listen(
        (OtaEvent event) {
          if(event.status == OtaStatus.DOWNLOADING){
            setState(() {
              progressValue = int.parse(event.value!) / 100;
              buttonLabel = TDTextLabel('${(progressValue * 100).toInt()}%');
            });
          } else if(event.status == OtaStatus.INSTALLING){
            setState(() {
              buttonLabel = const TDTextLabel('开始安装');
            });
          }
        },
        onError: (error){
          if (mounted) {
            setState(() {
              progressValue = 0.0;
              buttonLabel = const TDTextLabel('开始');
              updating = false;
            });
          }
        },
        onDone: (){
          if(progressValue == 1){
            setState(() {
              buttonLabel = const TDTextLabel('重新安装');
            });
          }
        }
      );
    } catch (e) {
      print('Failed to make OTA update. Details: $e');
    }
  }

  manualApkInstaller(){
    if(progressValue == 1){
      downloadAndInstall(widget.version);
    }
  }

}