using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading.Tasks;
using Avalonia.Controls;
using PluginManager.Online;
using PluginManager.Others;
using OperatingSystem = PluginManager.Others.OperatingSystem;

namespace DiscordBotGUI.Settings;

public partial class Commands : Window
{
    private List<string> commands = new();

    public Commands()
    {
        InitializeComponent();
        LoadData();
        LoadComboBox();

        button1.Click += async (sender, e) => { await Download(); };
    }


    private void LoadData()
    {
        try
        {
            textbox1.Text = "";
            Directory.CreateDirectory("./Data/Plugins/Commands/");
            var files = Directory.EnumerateFiles("./Data/Plugins/Commands/");
            if (files == null || files.Count() < 1) return;
            foreach (var file in files) textbox1.Text += file.Split('/')[file.Split('/').Length - 1] + "\n";
        }
        catch
        {
        }
    }

    private async void LoadComboBox()
    {
        comboBox1.Items = null;
        commands        = await ServerCom.ReadTextFromFile("https://sethdiscordbot.000webhostapp.com/Storage/Discord%20Bot/Plugins");
        if (commands == null) return;
        var    plugins = commands.ToArray();
        string OS;
        var    OSG = Functions.GetOperatingSystem();
        if (OSG == OperatingSystem.WINDOWS)
            OS = "Windows";
        else if (OSG == OperatingSystem.LINUX)
            OS = "Linux";
        else
            OS = "MAC_OS";
        var data = new List<string>();
        for (var i = 0; i < plugins.Length; i++)
        {
            if (!plugins[i].Contains(OS) || !plugins[i].Contains("Commands")) continue;

            var info = plugins[i].Split(',');
            try
            {
                if (Directory.EnumerateFiles("./Data/Plugins/Commands/").Any(x => x.EndsWith(info[0] + ".dll"))) continue;
            }
            catch
            {
            }

            data.Add($"{info[0]} - {info[1]} - {info[2]}");
        }

        comboBox1.Items = data;
    }


    private async Task Download()
    {
        if (comboBox1 == null || comboBox1.SelectedIndex == -1 || comboBox1.SelectedItem == null) return;
        var pluginName = comboBox1?.SelectedItem?.ToString()?.Split('-')[0].Trim();

        if (pluginName == null) return;
        var URL = (from s in commands
                   where s.StartsWith(pluginName)
                   select s.Split(',')[3].Trim()).FirstOrDefault();

        if (URL == null) return;


        IProgress<float> progress = new Progress<float>(async value =>
            {
                label1.Content = $"Downloading {pluginName} {MathF.Round(value, 2)}%";
                if (value == 1f)
                {
                    label1.Content = "Successfully Downloaded " + pluginName;
                    LoadData();
                    LoadComboBox();

                    await Task.Delay(5000);
                    label1.Content = "";
                }

                progressBar1.Value = value;
            }
        );

        await ServerCom.DownloadFileAsync(URL, "./Data/Plugins/Commands/" + pluginName + ".dll", progress);
        var requirements = (from s in commands
                            where s.StartsWith(pluginName) && s.Split(',').Length == 6
                            select s.Split(',')[5].Trim()).FirstOrDefault();

        if (requirements == null) return;
        var req = await ServerCom.ReadTextFromFile(requirements);
        if (req == null) return;

        foreach (var requirement in req)
        {
            var info = requirement.Split(',');
            pluginName = info[1];
            progress.Report(0);
            await ServerCom.DownloadFileAsync(info[0], $"./{info[1]}", progress);

            await Task.Delay(1000);

            if (info[0].EndsWith(".zip"))
            {
                await Functions.ExtractArchive("./" + info[1], "./", progress);
                await Task.Delay(1000);
            }
        }

        progress.Report(100f);
        label1.Content     = "Downloaded";
        progressBar1.Value = 100;
    }
}