document.ontouchmove = function (ev) {
  ev.preventDefault();
};
 // 获取li的宽，用来设置定位
 console.log(window.screen.width);
 let liWidth =70
 if(window.screen.width<=600)  liWidth = window.screen.width / 7

// 设置一个总分是变量
let grade = 0
// 设置一个定时器
let timing =61

$('.btnGo').click(()=>{
  $('.zhezao').hide()
  let timeId = setInterval(() => {
    timing--
    $('.time').text(timing)
    if(timing<=0) {
      $('body').css('background-color','transparent')
      $('#ul1').hide()
      $('.top').hide()
      $('.endF').text(grade)
      $('.end').show()
      clearInterval(timeId)
    }
  }, 1000);
})

// 点击重新开始
$('.btn').click(()=>{
  window.location.reload();
})

$(function () {
  var Game = {
    colNum: 7,
    wH: liWidth,
    timeBtn: true,
    dir: 0,
    dirThis: null,
    init: function () {
      this.oUl = $('#ul1');
      this.createMap();

    },
    createMap: function () {
      this.oUl.css({ width: this.colNum * this.wH, height: this.colNum * this.wH });
      var numX = 0;
      var numY = 0;

      for (var i = 0; i < Math.pow(this.colNum, 2); i++) {
        var oLi = $('<li>');
        oLi.attr('class', 'box' + Math.floor(Math.random() * 6));

        oLi.data({ x: numX, y: numY });

        numX++;

        if (numX == this.colNum) {
          numX = 0;
          numY++;
        }

        this.oUl.append(oLi);
      }

      this.positionShow();

      this.removeShow();

      this.bindTouch();

    },
    positionShow: function () {

      this.aLi = this.oUl[0].getElementsByTagName('li');

      var arr = [];
      $(this.aLi).each(function (i, elem) {
        arr.push([elem.offsetLeft, elem.offsetTop]);
      });
      $(this.aLi).each(function (i, elem) {
        $(elem).css({ position: 'absolute', left: arr[i][0], top: arr[i][1] });

      });

      this.arr = arr;

    },
    bindTouch: function () {

      var startX = 0;
      var startY = 0;
      var This = this;
      var izIndex = 2;
      var startThis = null;

      this.oUl.delegate('li', 'touchstart mousedown', function (event) {

        var data = event.originalEvent.changedTouches ? event.originalEvent.changedTouches[0] : event;
        startX = data.clientX;
        startY = data.clientY;

        startThis = this;

        return false;
      });

      this.oUl.delegate('li', 'touchend mouseup', function (event) {

        var data = event.originalEvent.changedTouches ? event.originalEvent.changedTouches[0] : event;

        if (This.timeBtn && (Math.abs(startX - data.clientX) > 10 || Math.abs(startY - data.clientY) > 10)) {

          $(startThis).css('zIndex', izIndex++);

          if (Math.abs(startX - data.clientX) > Math.abs(startY - data.clientY)) {// 左右
            if (startX < data.clientX) { //→

              if ($(startThis).data('x') != This.colNum - 1) {

                This.dir = 1;

                var index = $(startThis).data('x') + 1 + $(startThis).data('y') * This.colNum;

                var nextLi = $(This.oUl).find('li').eq(index);

                $(startThis).insertAfter(nextLi);

                $(startThis).animate({ left: This.arr[index][0] }, 300);
                nextLi.animate({ left: This.arr[index - 1][0] }, 300);

                $(startThis).data('x', $(startThis).data('x') + 1);
                nextLi.data('x', nextLi.data('x') - 1);

                This.dirThis = nextLi;

              }

            }
            else { //←

              if ($(startThis).data('x') != 0) {

                This.dir = 2;

                var index = $(startThis).data('x') - 1 + $(startThis).data('y') * This.colNum;

                var prevLi = $(This.oUl).find('li').eq(index);

                $(startThis).insertBefore(prevLi);
                $(startThis).animate({ left: This.arr[index][0] }, 300);
                prevLi.animate({ left: This.arr[index + 1][0] }, 300);

                $(startThis).data('x', $(startThis).data('x') - 1);
                prevLi.data('x', prevLi.data('x') + 1);

                This.dirThis = prevLi;

              }

            }
          }
          else { //上下

            if (startY < data.clientY) { //↓

              if ($(startThis).data('y') != This.colNum - 1) {

                This.dir = 3;

                var index = $(startThis).data('x') + ($(startThis).data('y') + 1) * This.colNum;

                var downLi = $(This.oUl).find('li').eq(index);

                var prevThis = $(startThis).prev();

                $(startThis).insertAfter(downLi);
                downLi.insertAfter(prevThis);

                $(startThis).animate({ top: This.arr[index][1] }, 300);
                downLi.animate({ top: This.arr[index - This.colNum][1] }, 300);

                $(startThis).data('y', $(startThis).data('y') + 1);
                downLi.data('y', downLi.data('y') - 1);

                This.dirThis = downLi;

              }

            }
            else { //↑

              if ($(startThis).data('y') != 0) {

                This.dir = 4;

                var index = $(startThis).data('x') + ($(startThis).data('y') - 1) * This.colNum;

                var upLi = $(This.oUl).find('li').eq(index);

                var prevThis = $(startThis).prev();

                $(startThis).insertAfter(upLi);
                upLi.insertAfter(prevThis);

                $(startThis).animate({ top: This.arr[index][1] }, 300);
                upLi.animate({ top: This.arr[index + This.colNum][1] }, 300);

                $(startThis).data('y', $(startThis).data('y') - 1);
                upLi.data('y', upLi.data('y') + 1);

                This.dirThis = upLi;

              }

            }

          }

          This.removeShow();
        }

        return false;

      });
    },
    removeShow: function () {

      var arr = [];
      var This = this;

      function addArr(aLi) {

        var prevLi = aLi[0];
        var iNum = 0;

        for (var i = 0; i < aLi.length; i++) {
          if (aLi[i].className == prevLi.className && i % 7 != 0) {
            iNum++;
          }
          else {

            if (iNum >= 2) {
              for (var j = 0; j <= iNum; j++) {
                arr.unshift(aLi[(i - 1) - j]);
              }

            }

            iNum = 0;
          }
          prevLi = aLi[i];
        }

        if (iNum >= 2) {
          for (var j = 0; j <= iNum; j++) {
            arr.unshift(aLi[(i - 1) - j]);
          }

        }

      }

      addArr(this.aLi);
      addArr(this.xyChange(this.aLi));

      for (var i = 0; i < arr.length; i++) {

        for (var j = 0; j < this.aLi.length; j++) {
          if (arr[i] == this.aLi[j]) {
            this.aLi[j].bBtn = true;
          }
        }
      }

      var removeNum = 0;
      var removeY = [];
      var changeArr = [];

      for (var i = 0; i < this.aLi.length; i++) {
        if (this.aLi[i].bBtn) {
          removeNum++;
          removeY.push(this.aLi[i]);
        }
      }

      if (removeY.length) {
        this.timeBtn = false;
        this.dir = 0;
        console.log('消除成功');
        grade +=10
        $('.grade').text(grade)
      }
      else {
        this.toReset();
        return;
      }

      for (var i = 0; i < removeY.length; i++) {
        for (var j = 0; j < this.arrY[$(removeY[i]).data('x')].length; j++) {

          if (removeY[i] == this.arrY[$(removeY[i]).data('x')][j]) {
            this.arrY[$(removeY[i]).data('x')].iNum++;
            this.arrY[$(removeY[i]).data('x')].splice(j, 1);
            this.arrY[$(removeY[i]).data('x')].unshift(this.oneLi($(removeY[i]).data('x'), this.arrY[$(removeY[i]).data('x')].iNum));

          }
        }
      }

      for (var i = 0; i < this.colNum; i++) {
        changeArr = changeArr.concat(this.arrY[i]);
      }

      var c = this.xyChange(changeArr);
      var removeYnum = 0;

      for (var i = 0; i < removeY.length; i++) {

        $(removeY[i]).animate({ opacity: 0 }, function () {
          $(this).remove();

          removeYnum++;

          if (removeYnum == removeY.length) {


            for (var i = 0; i < c.length; i++) {
              This.oUl.append(c[i]);
            }

            var numX = 0;
            var numY = 0;

            for (var i = 0; i < This.aLi.length; i++) {

              $(This.aLi).eq(i).data({ x: numX, y: numY });

              numX++;

              if (numX == This.colNum) {
                numX = 0;
                numY++;
              }

            }

            This.movePos();
          }

        });
      }

    },
    xyChange: function (aLi) {

      var arr = [];
      var This = this;
      this.arrY = {};
      iNum = 0;

      for (var i = 0; i < this.colNum; i++) {
        this.arrY[i] = [];
        this.arrY[i].iNum = 0;
      }

      (function () {

        if (iNum == This.colNum) {
          return;
        }

        for (var i = 0; i < aLi.length; i++) {
          if (i % This.colNum == iNum) {
            arr.push(aLi[i]);
            This.arrY[iNum].push(aLi[i]);
          }
        }
        iNum++;
        arguments.callee();

      })();

      return arr;

    },
    oneLi: function (x, iNum) {
      var oLi = $('<li>');
      oLi.attr('class', 'box' + Math.floor(Math.random() * 6));
      oLi.css({ position: 'absolute', left: x * this.wH, top: -iNum * this.wH });
      this.oUl.append(oLi);

      return oLi.get(0);

    },
    movePos: function () {

      var bBtn = true;
      var This = this;

      for (var i = 0; i < this.aLi.length; i++) {
        $(this.aLi[i]).animate({ top: this.arr[i][1] }, function () {
          if (bBtn) {
            bBtn = false;

            This.timeBtn = true;

            This.removeShow();
          }
        });
      }

    },
    toReset: function () {
      console.log('消除不成功');
      switch (this.dir) {
        case 1:

          var index = $(this.dirThis).data('x') + 1 + $(this.dirThis).data('y') * this.colNum;

          var nextLi = $(this.oUl).find('li').eq(index);

          $(this.dirThis).insertAfter(nextLi);

          $(this.dirThis).animate({ left: this.arr[index][0] }, 300);
          nextLi.animate({ left: this.arr[index - 1][0] }, 300);

          $(this.dirThis).data('x', $(this.dirThis).data('x') + 1);
          nextLi.data('x', nextLi.data('x') - 1);

          break;
        case 2:

          var index = $(this.dirThis).data('x') - 1 + $(this.dirThis).data('y') * this.colNum;

          var prevLi = $(this.oUl).find('li').eq(index);

          $(this.dirThis).insertBefore(prevLi);
          $(this.dirThis).animate({ left: this.arr[index][0] }, 300);
          prevLi.animate({ left: this.arr[index + 1][0] }, 300);

          $(this.dirThis).data('x', $(this.dirThis).data('x') - 1);
          prevLi.data('x', prevLi.data('x') + 1);

          break;
        case 3:

          var index = $(this.dirThis).data('x') + ($(this.dirThis).data('y') + 1) * this.colNum;

          var downLi = $(this.oUl).find('li').eq(index);

          var prevThis = $(this.dirThis).prev();

          $(this.dirThis).insertAfter(downLi);
          downLi.insertAfter(prevThis);

          $(this.dirThis).animate({ top: this.arr[index][1] }, 300);
          downLi.animate({ top: this.arr[index - this.colNum][1] }, 300);

          $(this.dirThis).data('y', $(this.dirThis).data('y') + 1);
          downLi.data('y', downLi.data('y') - 1);

          break;
        case 4:

          var index = $(this.dirThis).data('x') + ($(this.dirThis).data('y') - 1) * this.colNum;

          var upLi = $(this.oUl).find('li').eq(index);

          var prevThis = $(this.dirThis).prev();

          $(this.dirThis).insertAfter(upLi);
          upLi.insertAfter(prevThis);

          $(this.dirThis).animate({ top: this.arr[index][1] }, 300);
          upLi.animate({ top: this.arr[index + this.colNum][1] }, 300);

          $(this.dirThis).data('y', $(this.dirThis).data('y') - 1);
          upLi.data('y', upLi.data('y') + 1);

          break;
      }


    },


  };


  Game.init();

});