using Microsoft.JSInterop;

namespace HotelPms.Client.Blazor.Util
{
    /// <summary>
    /// 汎用待ち画面
    /// </summary>
    public class DefaultGlobalLoadingSpinner : IGlobalLoadingSpinner
    {
        static object Locker = new object();
        int SpinnerCount = 1;

        IJSRuntime _jsRuntime;

        public DefaultGlobalLoadingSpinner(IJSRuntime jsRuntime)
        {
            _jsRuntime = jsRuntime;
        }

        public async Task ShowAsync()
        {
            EnvironmentSetting.Debug($"Locker Start:{DateTime.Now.ToString("HH:mm:ss fff")}");
            lock (Locker)
            {
                SpinnerCount++;
            }

            EnvironmentSetting.Debug($"InvokeVoidAsync Start:{DateTime.Now.ToString("HH:mm:ss fff")}");
            await this._jsRuntime.InvokeVoidAsync("NetCallJs.showGlobalLoadingSpinner");  //0.5秒
            EnvironmentSetting.Debug($"InvokeVoidAsync End:{DateTime.Now.ToString("HH:mm:ss fff")}");
        }

        public async Task HideAsync()
        {
            lock (Locker)
            {
                SpinnerCount--;
                if (SpinnerCount < 0)
                {
                    SpinnerCount = 0;
                }
            }

            if (SpinnerCount == 0)
            {
                await this._jsRuntime.InvokeVoidAsync("NetCallJs.hideGlobalLoadingSpinner");
            }
        }

        public async Task HideLogoAsync()
        {
            await this._jsRuntime.InvokeVoidAsync("NetCallJs.hideGlobalLoadingSpinnerLogo");
        }
    }
}