using Microsoft.JSInterop;
using System.Reflection;

namespace Duempelkas.App.Components.Layout;

public partial class MainLayout
{
    private int fontScale = 100;
    protected override async Task OnAfterRenderAsync(bool firstRender)
    {
        if (firstRender)
        {
            var value = await JS.InvokeAsync<int>("duempelkasReading.get");
            fontScale = value is 75 or 125 or 150 or 200 ? value : 100;
            StateHasChanged();
        }
    }
    private async Task ApplyTextScale() => await JS.InvokeVoidAsync("duempelkasReading.set", fontScale);
    #region Fields

    private bool showAboutDialog;

    #endregion

    #region Properties

    private static string AppBuildDate
    {
        get
        {
            var value = Assembly.GetEntryAssembly()?.GetCustomAttributes<AssemblyMetadataAttribute>()
                .FirstOrDefault(attribute => attribute.Key == "BuildDate")?.Value;
            return DateTimeOffset.TryParse(value, System.Globalization.CultureInfo.InvariantCulture,
                System.Globalization.DateTimeStyles.AssumeUniversal, out var built)
                ? built.UtcDateTime.ToString("dd.MM.yyyy", System.Globalization.CultureInfo.InvariantCulture)
                : "unbekannt";
        }
    }

    private static string AppVersion
    {
        get
        {
            var entryAssembly = Assembly.GetEntryAssembly();
            var infoVersion = entryAssembly?
                .GetCustomAttribute<AssemblyInformationalVersionAttribute>()?
                .InformationalVersion;

            if (!string.IsNullOrWhiteSpace(infoVersion))
            {
                return infoVersion.Split('+')[0];
            }

            return entryAssembly?.GetName().Version?.ToString(2) ?? "1.0";
        }
    }

    #endregion

    #region Event Handlers

    private void OpenAboutDialog() => showAboutDialog = true;

    private void CloseAboutDialog() => showAboutDialog = false;

    #endregion
}