import 'dart:developer';
import 'dart:io';

import 'package:better_open_file/better_open_file.dart';
import 'package:flowder/flowder.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:marianum_mobile/api/marianumcloud/webdav/webdavApi.dart';
import 'package:path_provider/path_provider.dart';

class FileDownload extends StatefulWidget {
  String source;
  String name;
  FileDownload(this.source, this.name, {Key? key}) : super(key: key);

  @override
  State<FileDownload> createState() => _FileDownloadState();
}

class _FileDownloadState extends State<FileDownload> {
  late DownloaderCore core;

  void download(String remotePath, String name) async {
    Directory paths = await getApplicationDocumentsDirectory();

    String local = paths.path + Platform.pathSeparator + name;

    DownloaderUtils options = DownloaderUtils(
      progressCallback: (current, total) {
        final progress = (current / total) * 100;
        setState(() => {
          percent = progress,
        });
      },
      file: File(local),
      progress: ProgressImplementation(),
      deleteOnCancel: true,
      onDone: () {
        Navigator.of(context).pop();
        showDialog(context: context, builder: (context) {
          return AlertDialog(
            icon: const Icon(Icons.link),
            title: const Text("Dateipfad"),
            content: Text(local),
            actions: [
              TextButton(
                child: Text("Öffnen mit"),
                onPressed: () {
                  OpenFile.open(local).then((value) => () {
                    log("Result: ${value.toString()}");
                  });
                },
              )
            ],
          );
        });
      },
    );

    log(local);

    core = await Flowder.download(
      "${await WebdavApi.webdavConnectString}$remotePath",
      options,
    );
  }

  double percent = 0;

  @override
  void initState() {
    super.initState();
    log("Downloading file: Source(${widget.source}), Name(${widget.name})");
    download(widget.source, widget.name);
  }
  
  @override
  Widget build(BuildContext context) {
    return AlertDialog(
      title: const Text("Download"),
      content: ListTile(
        leading: const Icon(Icons.download),
        title: LinearProgressIndicator(value: percent/100),
        trailing: Text("${percent.round()}%"),
      ),
      actions: [
        TextButton(
          child: const Text("Abbrechen"),
          onPressed: () => () {
            if(!core.isCancelled) core.cancel();
            Navigator.of(context, rootNavigator: true).pop();
          },
        )
      ],
    );
  }
}