using _29WxOrderWpf.CefHelper;
using WxOrder.Framework.Commons;
using AllBase;
using CefSharp;
using CefSharp.Handler;
using CefSharp.Wpf;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Input;
using Work._29Tools.CefTools;
using Work.BaseForms;
using WxOrder.Framework.Helpers;

namespace _29WxOrderWpf.Ctrls.PDDInvoice.ViewModels;

public partial class PDDInvoiceViewModel
{
	/// <summary>
	/// 订单列表浏览器
	/// </summary>
	public ChromiumWebBrowser Browser { get; private set; }
	private IFrame frame;

	partial void InitBrowser()
	{
		BrowserZIndex = -1;
		Browser = WPFCEFBrowser.CreateChromiumWebBrowser("about:blank", false);

		LocalResourceRequestHandler resourceRequestHandler = new LocalResourceRequestHandler();
		//resourceRequestHandler.BeforeResourceLoadEvent += RequestHandler_BeforeResourceLoad;
		resourceRequestHandler.ResourceLoadCompleteEvent += RequestHandler_ResourceLoadComplete;
		Browser.RequestHandler = new LocalRequestHandler(resourceRequestHandler);
		Browser.LifeSpanHandler = new LocalLifeSpanHandler(PopWindowType.SelfWindow);
		Browser.KeyboardHandler = new KeyboardHandler();
		Browser.LoadingStateChanged += Browser_LoadingStateChanged;


	}

	private void Browser_LoadingStateChanged(object sender, LoadingStateChangedEventArgs e)
	{
		if (e.IsLoading == false)
		{
			var b = (ChromiumWebBrowser)sender;
			b.Dispatcher.InvokeAsync(async () =>
			{

				if (b.Address != null && b.Address.StartsWith("https://mobile.yangkeduo.com/orders.html"))//加载完成 加载 js
				{
					frame = b.GetMainFrame();

					string content = ResourceHelper.GetResourceText("/Ctrls/PDDInvoice/Resources/order.js", "29WxFindOrder");
					if (string.IsNullOrEmpty(content)) return;
					Install(frame, content);
					if (await IsInstalledAsync(frame))
					{
						StartAutoScroll();
						//await b.EvaluateScriptAsync(frame, content);
					}
					else
					{
						BaseMsgForm.ShowError("订单读取失败");
					}
				}
			});
		}
	}





	public ICommand CloseInvoiceDetailCommand => new DelegateCommand(HidenOrderBrowserDetail);

	public int BrowserZIndex
	{
		get => GetValue<int>();
		set => SetValue(value);
	}
	/// <summary>
	/// 显示主浏览器
	/// </summary>
	public void ShowOrderBrowser()
	{
		BrowserZIndex = 10;
		BrowserDetailZIndex = -1;
	}

	public void HidenOrderBrowser()
	{
		BrowserZIndex = -1;
	}

	public bool IsReadOrder
	{
		get => GetValue<bool>();
		set => SetValue(value);
	}
	private int top = 0;
	private DateTime lastGetOrderDataTime = DateTime.Now;
	private string lastOrderSN = "0";
	private void RequestHandler_ResourceLoadComplete(object sender, string url, string postData, string responseData, IRequest request)
	{
		if (url.StartsWith("https://mobile.yangkeduo.com/proxy/api/api/aristotle/order_list_v"))
		{
			lastGetOrderDataTime = DateTime.Now;
			parserData(responseData, out lastOrderSN);
			Debug.WriteLine($"LastOrder:{lastOrderSN}");
			//File.WriteAllText(@$"E:\{Guid.NewGuid().ToString()}.txt", responseData);
		}
	}
	public void StartAutoScroll()
	{
		if (frame == null)
		{
			StopAutoScroll(); return;
		}
		if (IsReadOrder) return;

		IsReadOrder = true;
		//_ = autoScroll(_cancellationTokenSource.Token);
		_ = autoLoadOrderData(_cancellationTokenSource.Token);
	}

	// 停止滚动
	public void StopAutoScroll()
	{
		IsReadOrder = false;
		_cancellationTokenSource?.Cancel();


		Application.Current?.Dispatcher.BeginInvoke(new Action(() =>
			{
				BottomMsg = $"订单读取结束";
			}));
		CompleteProgress();

	}
	private async Task autoLoadOrderData(CancellationToken token)
	{
		string templastOrderSN = "";
		while (IsReadOrder && !token.IsCancellationRequested)
		{
			if (lastOrderSN == templastOrderSN)
			{
				await Task.Delay(500);
				continue;
			}

			string jsStr = $"PDDOrders.trigger({{offset:'MO-01-{lastOrderSN}',type:0,size:10,mode:'store'}})";
			templastOrderSN = lastOrderSN;

			await frame.EvaluateScriptAsync(jsStr);

			await Task.Delay(Randomx.GetId(1000, 3000));
			//Thread.Sleep();
		}
	}


	/// <summary>文档创建时注入（每个 document 注入一次即可，脚本本身幂等）</summary>
	public void Install(IFrame frame, string hookJs)
	{
		if (frame == null || string.IsNullOrEmpty(hookJs)) return;
		frame.ExecuteJavaScriptAsync(hookJs);
	}

	/// <summary>脚本是否已就绪（注入后自检用；异步，不会卡 UI 线程）</summary>
	public async Task<bool> IsInstalledAsync(IFrame frame, int timeoutMs = 3000)
	{
		var deadline = DateTime.Now.AddMilliseconds(timeoutMs);
		while (DateTime.Now < deadline)
		{
			var r = await frame.EvaluateScriptAsync("!!(window.PDDOrders && window.PDDOrders.__installed)")
							   .ConfigureAwait(false);
			if (r != null && r.Success && r.Result is bool && (bool)r.Result) return true;
			await Task.Delay(100).ConfigureAwait(false);
		}
		return false;
	}
	//private async Task autoScroll(CancellationToken token)
	//{
	//	while (IsReadOrder && !token.IsCancellationRequested)
	//	{
	//		if ((DateTime.Now - lastGetOrderDataTime).Seconds > 30) StopAutoScroll();

	//		top += Randomx.GetId(450, 600);
	//		var jsStr = @"window.scroll({
	//                                         top: " + top + @",
	//                                         left: 0,
	//                                         behavior: 'smooth' // 可选，使滚动平滑
	//                                       });";

	//		var client = Browser.GetDevToolsClient();
	//		if (client != null)
	//		{
	//			var result = client.Runtime.EvaluateAsync(jsStr, null, true, null, null, true, null, true);
	//			result.Wait(5000);
	//		}
	//		await Task.Delay(Randomx.GetId(100, 300));
	//		//Thread.Sleep();
	//	}
	//}




}