using System.Timers;
using DataModel.Database;
using Processor;
using UI_WinForms.Resources;
using Timer = System.Timers.Timer;

namespace UI_WinForms.Components;

public sealed partial class Translation : UserControl
{
    private readonly string culture = "en-US";
    private readonly Timer saveTimer;
    
    private bool isLoading = false;
    private int currentTranslationId = -1;
    private bool isDeepLSourceCulture = false;

    public Translation()
    {
        this.InitializeComponent();
        this.Dock = DockStyle.Top;
    }

    public Translation(AppSettings.CultureInfo cultureInfo)
    {
        this.InitializeComponent();
        this.culture = cultureInfo.Code;
        this.labelHead.Text = $"Culture: {cultureInfo.Code}";
        this.Dock = DockStyle.Top;
        this.saveTimer = new Timer
        {
            Enabled = false, // disable timer for now,
            Interval = 1_000, // 1 second interval
            AutoReset = false, // runs only once
        };
        this.saveTimer.Elapsed += this.SaveChanges;
        this.Load += async (sender, args) => await this.LateSetup(cultureInfo);
    }

    private async Task LateSetup(AppSettings.CultureInfo cultureInfo)
    {
        this.isDeepLSourceCulture = await AppSettings.GetDeepLSourceCultureIndex() == cultureInfo.Index;
        this.buttonDeepL.Visible = await AppSettings.GetDeepLMode() != SettingDeepLMode.DISABLED;
        this.buttonDeepL.Image = this.isDeepLSourceCulture ? Icons.icons8_trigger_1__svg : Icons.deepl_logo_icon_170284;

        if (this.isDeepLSourceCulture)
        {
            this.labelHead.Text = $"Culture: {cultureInfo.Code} (DeepL source culture)";
            this.toolTip.SetToolTip(this.buttonDeepL, "Replaces all other translations by DeepL translations using this culture as source culture.\nWarning: already translated texts will be replaced as well.");
        }
    }

    private async void SaveChanges(object? sender, ElapsedEventArgs e)
    {
        if (this.currentTranslationId > -1)
            await TranslationProcessor.SaveChangedTranslation(this.currentTranslationId, this.textBox.Text);
    }

    public async Task Configure(DataModel.Database.Translation translation)
    {
        this.isLoading = true;
        
        this.currentTranslationId = translation.Id;
        this.textBox.Text = translation.Text;
        this.textBox.Multiline = translation.TextElement.IsMultiLine;
        this.Height = translation.TextElement.IsMultiLine ? 280 : 106;
        this.buttonDeepL.Visible = await AppSettings.GetDeepLMode() != SettingDeepLMode.DISABLED;

        this.isLoading = false;
    }

    private async void textBox_TextChanged(object sender, EventArgs e)
    {
        if(this.isLoading)
            return;
        
        if(this.saveTimer.Enabled)
            this.saveTimer.Stop();
        
        this.saveTimer.Start();
    }
}