let $ip,
  $port,
  $user,
  $password,
  $loginState,
  $stream,
  $volume,
  $canvas, //canvas播放视频DOM
  $video, //video播放视频DOM
  $canvas_ivs, //canvas绘图DOM
  $video_wrap, //视频外层Wrap
  $videoLoading, //“加载中...”提示
  WndIndex = 0, //宫格窗口Id
  WebCaps = null; //webCapsConfig文件转存变量
let isLogin = false; //是否登录
let channel = 0; //当前通道
let curPage = 1; //视频下载列表的当前页
let totalPage = 1; //视频下载列表的总页数
let recordArr = []; //视频文件数组
let canvasSon = null; //canvas绘图实例
let playerInstance = []; //播放|回放实例数组
let recordInstance = []; //录像下载实例数组
let talkInstance = []; //对讲实例数组
let ivsInstance = []; //canvas绘图实例数组
let cutInstance = []; //视频裁剪实例数组
let onlineChannel = []; //当前成功拉流的视频通道数组
let isCuting = false; //是否正在进行视频裁剪
let downList = []; //勾选的视频下载列表
let downItemIndex = 0; //视频下载索引
let canvasParam = {
  //canvas绘图默认传参
  strokeColor: "#FF0000",
  title: "",
  resizeEnable: false,
  moveEnable: false,
  closeEnable: true,
  array: true,
  showSize: false,
  selectType: "inSide",
  disappear: true,
  selected: false,
};
const lINENUMBER = 16; //回放列表每页显示录像条数
let curEnlargeWnd = 0;

/**
 * @description 初始化
 */
const init = () => {
  let videoStr = "";
  for (var i = 0; i < 16; i++) {
    videoStr +=
      '<div wnd-index="' +
      i +
      '" style="float: left; background-color: #000; position: relative; width: 100%; height: 100%;overflow:hidden;border:1px solid rgb(125,125,125)"><canvas id="h5_canvas_' +
      i +
      '" style="width:100%;height:100%;"></canvas><p id="h5_loading_' +
      i +
      '" class="video_loading"  style="display:none">加载中...</p><video id="h5_video_' +
      i +
      '" style="display: none;width:100%;height:100%;position:absolute;top:0;left:0"></video><canvas id="h5_ivs_' +
      i +
      '" style="position: absolute;left: 0;top: 0;width: 100%;height: 100%;" width="500" height="300"></canvas></div>';
  }
  document.querySelector(".h5-play-wrap").innerHTML = videoStr;
  document.querySelectorAll(".h5-play-wrap div").forEach((item, index) => {
    item.addEventListener("click", function (event) {
      let _wndIndex = event.target.parentNode.getAttribute("wnd-index") - 0;
      if (
        !(playerInstance[_wndIndex] && playerInstance[_wndIndex].isPlayback)
      ) {
        channel = event.target.parentNode.getAttribute("channel") - 0;
        document.querySelectorAll("#h5_channel_list li").forEach((item) => {
          item.classList.remove("fn-fontRed");
        });
      }
      document
        .querySelectorAll(".h5-play-wrap div")
        .forEach(function (item, index) {
          if (index === _wndIndex) {
            item.style.borderColor = "rgb(255, 204, 0)";
            if (
              !(
                playerInstance[_wndIndex] &&
                playerInstance[_wndIndex].isPlayback
              )
            ) {
              if (onlineChannel.indexOf(channel) > -1) {
                document
                  .querySelector(
                    '#h5_channel_list li[channel="' + channel + '"]'
                  )
                  .classList.add("fn-fontRed");
              }
            }
            WndIndex = _wndIndex;
            setVideoDom();
          } else {
            item.style.borderColor = "rgb(125, 125, 125)";
          }
        });
    });
  });
  $ip = $("#h5_ip");
  $port = $("#h5_port");
  $user = $("#h5_user");
  $password = $("#h5_password");
  $loginState = $("#h5_loginState");
  $stream = $("#h5_stream");
  $volume = $("#h5_volume");
  $video_wrap = document.querySelector(".h5-play-wrap");
  setVideoDom();

  let inputArr = document.querySelectorAll("input[btn-for]");
  for (let node of inputArr) {
    node.addEventListener("click", bindClickEvent);
  }

  let selArr = document.querySelectorAll("select[sel-for]");
  for (let node of selArr) {
    node.addEventListener("change", bindChangeEvent);
  }
  [
    "fullscreenchange",
    "webkitfullscreenchange",
    "mozfullscreenchange",
    "msfullscreenchange",
  ].forEach((item, index) => {
    document.addEventListener(item, fullscreenchange, false);
  });
  onPreview(false);
};
/**
 * @description 切换宫格时重新设置当前视频dom
 */
const setVideoDom = () => {
  $canvas = $("#h5_canvas_" + WndIndex);
  $video = $("#h5_video_" + WndIndex);
  $canvas_ivs = $("#h5_ivs_" + WndIndex);
  $videoLoading = $("#h5_loading_" + WndIndex);
};
/**
/**
 * @description 预览
 * @param {boolean} isPlayback 是否是回放
 * @param {string} url 回放视频的url
 * @param {number} playbackIndex 回放视频的索引
 * @param {boolean} isChangeStream 是否是切换码流导致的重新拉流
 */
const onPreview = (isPlayback, url, playbackIndex, isChangeStream) => {
  if (
    playerInstance[WndIndex] &&
    onlineChannel.indexOf(channel) > -1 &&
    !isChangeStream
  ) {
    alert("通道" + (channel + 1) + "已存在！");
    return;
  }
  onStopPreview();
  var player = null
  let options = {
    wsURL: "ws://" + "221.214.127.18" + ":" + "8200" + "/rtspoverwebsocket",
    rtspURL:
      "rtsp://" +
      "221.214.127.18" +
      ":" +
      "8200" +
      "/cam/realmonitor?channel=1" +
      "&subtype=0" +
      "&proto=Private3",
    username: "admin",
    password: "pyss2017",
    lessRateCanvas: true,
    playback: isPlayback,
    isPrivateProtocol: false,
    realm: RPC.realm, //设备登录返回的realm
    playbackIndex: playbackIndex,
  };
  player = new PlayerControl(options);

  player.on("MSEResolutionChanged", function (e) {
    console.log(e);
  });
  player.on("PlayStart", function (e) {
    console.log(e);
    $videoLoading.style.display = "none";
    let curWndType =
      document.querySelector("[sel-for=onChangeWdnNum]").value - 0;
    if (!player.isPlayback) {
      onlineChannel.push(channel);
      updateChannelList();
      // if(curWndType !== 1) {
      //     clickNextWnd();
      // }
    }
  });

  player.on("GetFrameRate", function (e) {
    console.log("GetFrameRate: " + e);
  });
  player.on("FrameTypeChange", function (e) {
    console.log("FrameTypeChange: " + e);
  });
  player.on("Error", function (e) {
    //console.log('Error: ' + JSON.stringify(e))
  });
  player.on("IvsDraw", function (e) {
    //console.log('IvsDraw: ' + JSON.stringify(e))
  });
  player.on("WorkerReady", function () {
    player.connect();
  });
  player.init($canvas, $video);
  $canvas.parentNode.setAttribute("channel", channel);
  $videoLoading.style.display = "";
};
/**
 * @description 更新通道列表
 */
const updateChannelList = () => {
  document.querySelectorAll("#h5_channel_list li").forEach((item) => {
    item.classList.remove("fn-fontBlue");
    item.classList.remove("fn-fontRed");
    if (onlineChannel.indexOf(item.getAttribute("channel") - 0) > -1) {
      item.classList.add("fn-fontBlue");
    }
  });
};
/**
 * @description 停止预览
 */
const onStopPreview = () => {
  if (playerInstance[WndIndex]) {
    playerInstance[WndIndex].stop();
    playerInstance[WndIndex].close();
    playerInstance[WndIndex] = null;
    let _index = onlineChannel.indexOf(channel);
    onlineChannel.splice(_index, 1);
    updateChannelList();
    let dom = $canvas;
    if (dom.style.display === "none") {
      dom = $video;
    }
    dom.style.display = "none";
    if (talkInstance[WndIndex]) {
      talkInstance[WndIndex].talk("off");
      talkInstance[WndIndex] = null;
    }
    if (recordInstance[WndIndex]) {
      recordInstance[WndIndex].startRecord(false);
      recordInstance[WndIndex] = null;
    }
  }
};
/**
 * @description 自定义选择器
 * @param {string} str dom元素
 */
function $(str) {
  if (str.charAt(0) == "#") {
    return document.getElementById(str.substring(1));
  } else if (str.charAt(0) == ".") {
    return document.getElementsByClassName(str.substring(1));
  } else {
    return document.getElementsByTagName(str);
  }
}
/**
 * @description 设置样式
 * @param {object} obj dom元素
 * @param {*} json css样式
 */
function setStyle(obj, json) {
  for (let i in json) {
    obj.style[i] = json[i];
  }
}
/**
 * @description 绑定click事件
 * @param {object} event event对象
 */
function bindClickEvent(event) {
  let $el = event.target,
    method = $el.getAttribute("btn-for"),
    disabled = $el.getAttribute("disabled");
  if (!disabled) {
    eval(method + "()");
  }
}
/**
 * @description 绑定change事件
 * @param {object} event event对象
 */
function bindChangeEvent(event) {
  let $el = event.target,
    method = $el.getAttribute("sel-for"),
    disabled = $el.getAttribute("disabled");
  if (!disabled) {
    eval(method + "()");
  }
}
/**
 * @description 设置登录状态
 * @param {boolean} bool 设备是否已经登录
 */
function setLoginState(bool) {
  isLogin = bool;
}
/**
 * @description 转换数据坐标
 * @param {*} x1 左上角x坐标
 * @param {*} y1 左上角y坐标
 * @param {*} x2 右下角x坐标
 * @param {*} y2 右下角y坐标
 * @param {*} width 宫格宽
 * @param {*} height 宫格高
 */
function zoomArea(x1, y1, x2, y2, width, height) {
  // 小框区域的数据
  let rectArea = {
    width: x2 - x1,
    height: y2 - y1,
    centerX: (x1 + x2) / 2, // 圆心坐标
    centerY: (y1 + y2) / 2,
  };
  // 放大比例,控件放大倍数上限是20
  let scale = Math.min(width / rectArea.width, height / rectArea.height, 20);

  // 原始窗口信息
  let sourceWin = {
    width: width,
    height: height,
    centerX: width / 2,
    centerY: height / 2,
  };

  // 放大后的窗口区域
  let bigWinArea = {
    width: width * scale,
    height: height * scale,
    left: sourceWin.centerX - rectArea.centerX * scale,
    top: sourceWin.centerY - rectArea.centerY * scale,
  };

  // 数据矫正
  if (bigWinArea.left > 0) {
    bigWinArea.left = 0;
  }
  if (bigWinArea.left < sourceWin.width - bigWinArea.width) {
    bigWinArea.left = sourceWin.width - bigWinArea.width;
  }
  if (bigWinArea.top > 0) {
    bigWinArea.top = 0;
  }
  if (bigWinArea.top < sourceWin.height - bigWinArea.height) {
    bigWinArea.top = sourceWin.height - bigWinArea.height;
  }
  return bigWinArea;
}

init();