using Blahblah.FlowerApp.Data;
using Microsoft.Extensions.Logging;

namespace Blahblah.FlowerApp;

public class AppContentPage : ContentPage, ILoggerContent
{
    public ILogger Logger { get; init; } = null!;

    public FlowerDatabase Database { get; init; } = null!;

    protected T GetValue<T>(BindableProperty property)
    {
        return (T)GetValue(property);
    }

    bool hasLoading = true;
    ContentView? loading;

#if __IOS__
    private async Task DoLoading(bool flag)
#else
    private Task DoLoading(bool flag)
#endif
    {
        if (loading == null && hasLoading)
        {
            try
            {
                loading = (ContentView)FindByName("loading");
            }
            catch
            {
                hasLoading = false;
            }
        }
        if (loading != null)
        {
            if (flag)
            {
#if __IOS__
                loading.IsVisible = true;
                await loading.FadeTo(1, easing: Easing.CubicOut);
#else
                loading.Opacity = 1;
                loading.IsVisible = true;
#endif
            }
            else
            {
#if __IOS__
                await loading.FadeTo(0, easing: Easing.CubicIn);
                loading.IsVisible = false;
#else
                loading.IsVisible = false;
                loading.Opacity = 0;
#endif
            }
        }
#if __ANDROID__
        return Task.CompletedTask;
#endif
    }

    protected Task Loading(bool flag)
    {
        IsBusy = flag;

        if (MainThread.IsMainThread)
        {
            return DoLoading(flag);
        }

        var source = new TaskCompletionSource();
        MainThread.BeginInvokeOnMainThread(async () =>
        {
            await DoLoading(flag);
            source.TrySetResult();
        });
        return source.Task;
    }
}