import 'package:flutter/material.dart';

import '../../Backend/Backend.dart';
import '../../Backend/FileHashEntry.dart';
import '../CustomWidgets.dart';

Widget DownloadCard({
  required int gameId,
  required Map<int, Map<FileHashEntry, num>> downloadProgress,
  required Map<int, double> totalDownloadSize,
  required Map<int, List<FileHashEntry>> downloadQueue,
  required bool downloadRunning,
  required Function(int) onChanged
}) {
  int doneSize = 0;
  if (downloadProgress.containsKey(gameId)) {
    Map<FileHashEntry, num> _progress = downloadProgress[gameId]!;
    _progress.forEach((key, value) {
      doneSize += value.toInt();
    });
  }

  double totalSize = totalDownloadSize[gameId]! / 1024 / 1024;
  double doneSizeMb = doneSize / 1024 / 1024;
  double progress = doneSizeMb / totalSize;

  return Padding(
    padding: const EdgeInsets.all(8.0),
    child: GlassCard(
        child: Padding(
          padding: const EdgeInsets.all(8.0),
          child: Column(
            children: [
              Row(
                mainAxisAlignment: MainAxisAlignment.spaceBetween,
                children: [
                  Row(
                    children: [
                      Container(
                        decoration: BoxDecoration(
                            image: DecorationImage(
                                image:
                                AssetImage(Backend.Games[gameId].imagePath)),
                            borderRadius: BorderRadius.circular(50)),
                        width: 160,
                        height: 80,
                      ),
                      Column(
                        children: [
                          Text(
                            Backend.Games[gameId].name,
                            style: TextStyle(fontSize: 20),
                          ),
                          Text((doneSizeMb).toStringAsFixed(2) +
                              " MB" +
                              " / " +
                              totalSize.toStringAsFixed(2) +
                              " MB")
                        ],
                      )
                    ],
                  ),
                  Expanded(
                    child: Padding(
                      padding: const EdgeInsets.fromLTRB(20, 50, 20, 20),
                      child: LinearProgressIndicator(
                        value: progress,
                        backgroundColor: Colors.black.withOpacity(0.2),
                        color: Colors.blue,
                      ),
                    ),
                  ),
                  InkWell(
                    child: Icon(Icons.cancel,
                        size: 40, color: Colors.red.withOpacity(0.6)),
                    onTap: () {
                      downloadQueue.remove(gameId);
                      downloadProgress.remove(gameId);
                      downloadRunning = false;
                      onChanged(gameId);
                    },
                  )
                  // Icon(Icons.download,size: 40,color: Colors.green.withOpacity(0.4),)
                ],
              )
            ],
          ),
        )),
  );
}

Widget Downloads({
  required Map<int, List<FileHashEntry>> downloadQueue,
  required Map<int, Map<FileHashEntry, num>> downloadProgress,
  required Map<int, double> totalDownloadSize,
  required bool downloadRunning,
  required Function(int) onChanged
}) {
  if (downloadQueue.length <= 0) {
    return Center(
      child: Column(
        mainAxisAlignment: MainAxisAlignment.center,
        children: [
          Icon(
            Icons.download_done_sharp,
            size: 100,
            color: Colors.white.withOpacity(0.5),
          ),
          Text(
            "No ongoing Downloads",
            style:
            TextStyle(fontSize: 40, color: Colors.white.withOpacity(0.4)),
          ),
        ],
      ),
    );
  }

  return Container(
      child: Container(
          padding: EdgeInsets.all(100),
          child: GlassCard(
              child: Column(
                children: List.generate(downloadQueue.keys.length, (index) {
                  int gameId = downloadQueue.keys.toList()[index];
                  return DownloadCard(gameId: gameId, downloadQueue:downloadQueue, downloadProgress: downloadProgress, downloadRunning: downloadRunning, totalDownloadSize: totalDownloadSize, onChanged: onChanged );
                }),
              ))));
}