// Copyright (c) Argo Zhang (argo@163.com). All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
// Website: https://www.blazor.zone or https://argozhang.github.io/

using Microsoft.AspNetCore.Components;
using System;
using System.Diagnostics.CodeAnalysis;
using System.Threading.Tasks;

namespace BootstrapBlazor.Components
{
    /// <summary>
    /// FullScreen 组件部分类
    /// </summary>
    public partial class FullScreen : BootstrapComponentBase, IDisposable
    {
        /// <summary>
        /// DialogServices 服务实例
        /// </summary>
        [Inject]
        [NotNull]
        private FullScreenService? FullScreenService { get; set; }

        /// <summary>
        /// OnInitialized 方法
        /// </summary>
        protected override void OnInitialized()
        {
            base.OnInitialized();

            // 注册 FullScreen 弹窗事件
            FullScreenService.Register(this, Show);
        }

        /// <summary>
        /// OnAfterRenderAsync 方法
        /// </summary>
        /// <param name="firstRender"></param>
        /// <returns></returns>
        protected override async Task OnAfterRenderAsync(bool firstRender)
        {
            await base.OnAfterRenderAsync(firstRender);

            if (Option != null)
            {
                await JSRuntime.InvokeVoidAsync(Option.Element.Context != null ? Option.Element : "", "bb_toggleFullscreen", Option.Id ?? "");
                Option = null;
            }
        }

        private FullScreenOption? Option { get; set; }

        private Task Show(FullScreenOption option)
        {
            Option = option;
            StateHasChanged();
            return Task.CompletedTask;
        }

        /// <summary>
        /// Dispose 方法
        /// </summary>
        /// <param name="disposing"></param>
        protected virtual void Dispose(bool disposing)
        {
            if (disposing)
            {
                FullScreenService.UnRegister(this);
            }
        }

        /// <summary>
        /// Dispose 方法
        /// </summary>
        public void Dispose()
        {
            Dispose(disposing: true);
            GC.SuppressFinalize(this);
        }
    }
}
