using System;
using System.Drawing;
using System.Net.Http;
using System.Text.RegularExpressions;
using Application.Models;
using Infrastructure.Extensions;
using Microsoft.AspNetCore.Mvc;
using Swashbuckle.AspNetCore.Annotations;

namespace WinService.Controllers
{
    public class HomeController : Controller
    {
        private readonly WindowsService _ws;
        private readonly IHttpClientFactory _httpClientFactory;

        public HomeController(WindowsService ws, IHttpClientFactory httpClientFactory)
        {
            this._ws = ws;
            this._httpClientFactory = httpClientFactory;
        }

        public IActionResult Index(string id, string hw)
        {
            ViewBag.Title = "PC监控服务";
            var model = this._ws.GetModel();
            this._ws.Update(model);
            return View(model);
        }

        [HttpGet]
        [Route("/pc/api")]
        [ApiExplorerSettings(IgnoreApi = true)]
        public string Api()
        {
            var url = new UriBuilder
            {
                Host = Request.Host.Host,
                Port = Request.Host.Port ?? 80,
                Path = "/swagger/v1/swagger.json"
            }.ToString();
            var hc = this._httpClientFactory.CreateClient();
            var result = hc.GetStringAsync(url).Result;
            return result;
        }

        [HttpGet]
        [Route("/pc/22shutdown")]
        [SwaggerOperation("关机")]
        public ApiResponse Shutdown()
        {
            var model = this._ws.GetModel();
            model.IsOnline = false;
            this._ws.Update(model);
            this._ws.Shutdown();
            return ApiResponse.AsyncSuccess();
        }

        [HttpGet]
        [Route("/pc/21boot")]
        [SwaggerOperation("开机")]
        public ApiResponse Boot()
        {
            return ApiResponse.AsyncSuccess();
        }

        [HttpGet]
        [Route("/pc/23shot")]
        [SwaggerOperation("截屏")]
        public ApiResponse ScreenShot()
        {
            try
            {
                var videoModeDescription = WindowsService.Search("select VideoModeDescription from Win32_VideoController ")["VideoModeDescription"].ToString();
                var width = int.Parse(Regex.Match(videoModeDescription, @"^\d+(?=\s)").Value);
                var height = int.Parse(Regex.Match(videoModeDescription, @"(?<=\sx\s)\d+(?=\sx)").Value);

                using (var bitmap = new Bitmap(width, height))
                {
                    var gc = Graphics.FromImage(bitmap);
                    gc.CopyFromScreen(new Point(0, 0), new Point(0, 0), new Size(width, height));
                    byte[] byteArray = bitmap.ToJpeg();
                    return ApiResponse.Success($"data:image/jpeg;base64,{Convert.ToBase64String(byteArray)}", 1);
                }
            }
            catch (Exception ex)
            {
                return ApiResponse.Error(ex.Message);
            }
        }
    }
}