using _29WxOrderWpf.CefHelper;
using _29WxOrderWpf.Commands;
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 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; }
	/// <summary>
	/// 内容浏览器
	/// 订单详情
	/// 发票详情
	/// 申请发票
	/// </summary>
	public ChromiumWebBrowser BrowserDetail { get; private set; }

	partial void InitBrowser()
	{
		BrowserZIndex = -1;
		BrowserDetailZIndex = -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;

		BrowserDetail = WPFCEFBrowser.CreateChromiumWebBrowser("about:blank", false);
		LocalResourceRequestHandler detailResourceRequestHandler = new LocalResourceRequestHandler();
		detailResourceRequestHandler.ResourceLoadCompleteEvent += DetailRequestHandler_ResourceLoadComplete;
		BrowserDetail.RequestHandler = new LocalRequestHandler(resourceRequestHandler);
		BrowserDetail.LifeSpanHandler = new LocalLifeSpanHandler(PopWindowType.SelfWindow);
		BrowserDetail.KeyboardHandler = new KeyboardHandler();
		BrowserDetail.LoadingStateChanged += BrowserDetail_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"))
				{
					StartAutoScroll();
				}
			});
		}
	}

	private void BrowserDetail_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/transac_return_compensation.html"))
				{
					string html = await b.GetBrowser().GetSourceAsync();
					if (html.Contains("window.rawData"))
					{
						await ExecuteInvoiceApplyScriptAsync(b);
					}
					else
					{
						// 页面异常（未渲染出发票表单）时直接判定失败，避免批量开票长时间等待
						_currentInvoiceTcs?.TrySetResult(false);
					}
				}
			});
		}
	}

	/// <summary>
	/// 注入发票填写脚本并执行。
	/// 单张申请模式保持原有行为；批量开票模式下轮询脚本写入的
	/// <c>window.__invoiceApplyResult</c>，完成后通过 <see cref="_currentInvoiceTcs"/> 回传结果。
	/// </summary>
	private async Task ExecuteInvoiceApplyScriptAsync(ChromiumWebBrowser b)
	{
		string content = ResourceHelper.GetResourceText("/Ctrls/PDDInvoice/Resources/invoice.js", "29WxFindOrder");
		content = content.Replace("{公司}", Config.Title);
		content = content.Replace("{税号}", Config.TaxNo);
		if (string.IsNullOrEmpty(content)) return;

		await b.EvaluateScriptAsync(content);

		if (_currentInvoiceTcs == null) return; // 单张申请模式：保持原有行为

		// 批量模式：等待异步脚本执行完成
		// 捕获当前 TCS，避免批量循环超时进入下一个订单后，迟到的轮询误触发新订单的结果
		var tcs = _currentInvoiceTcs;
		for (int i = 0; i < 120; i++)
		{
			await Task.Delay(500);
			try
			{
				var res = await b.EvaluateScriptAsync("window.__invoiceApplyResult");
				if (res.Success && res.Result != null)
				{
					tcs.TrySetResult(Convert.ToBoolean(res.Result));
					return;
				}
			}
			catch
			{
			}
		}
		tcs.TrySetResult(false);
	}

	public ICommand CloseInvoiceDetailCommand => new DelegateCommand(HidenOrderBrowserDetail);

	public int BrowserZIndex
	{
		get => GetValue<int>();
		set => SetValue(value);
	}
	public int BrowserDetailZIndex
	{
		get => GetValue<int>();
		set => SetValue(value);
	}
	/// <summary>
	/// 显示主浏览器
	/// </summary>
	public void ShowOrderBrowser()
	{
		BrowserZIndex = 10;
		BrowserDetailZIndex = -1;
	}
	/// <summary>
	/// 显示子浏览器
	/// </summary>
	public void ShowOrderBrowserDetail()
	{
		BrowserZIndex = -1;
		BrowserDetailZIndex = 10;
	}
	public void HidenOrderBrowser()
	{
		BrowserZIndex = -1;
	}
	public void HidenOrderBrowserDetail()
	{
		BrowserDetailZIndex = -1;
	}
	public bool IsReadOrder
	{
		get => GetValue<bool>();
		set => SetValue(value);
	}
	private int top = 0;
	private DateTime lastGetOrderDataTime = DateTime.Now;
	private void RequestHandler_ResourceLoadComplete(object sender, string url, string postData, string responseData, IRequest request)
	{
		if (url.StartsWith("https://mobile.yangkeduo.com/orders.html"))
		{
			//if (isAutoScroll == false)
			//{
			//	StartAutoScroll();
			//}

			StartAutoScroll();
		}
		if (url.StartsWith("https://mobile.yangkeduo.com/proxy/api/api/aristotle/order_list_v"))
		{
			lastGetOrderDataTime = DateTime.Now;
			parserData(responseData);

			//File.WriteAllText(@$"E:\{Guid.NewGuid().ToString()}.txt", responseData);
		}
	}
	public void StartAutoScroll()
	{
		if (IsReadOrder) return;

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

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

	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();
		}
	}


	private void DetailRequestHandler_ResourceLoadComplete(object sender, string url, string postData, string responseData, IRequest request)
	{
		if (url.StartsWith("https://mobile.yangkeduo.com/transac_return_compensation.html"))
		{

		}
	}

}