function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }

function _createSuper(Derived) { return function () { var Super = _getPrototypeOf(Derived), result; if (_isNativeReflectConstruct()) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }

function _possibleConstructorReturn(self, call) { if (call && (typeof call === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }

function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }

function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }

function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; }

var G = require('@antv/g/lib');

var Tooltip = require('./base');

var Util = require('../util');

var DomUtil = Util.DomUtil;

var TooltipTheme = require('./theme');

var Crosshair = require('./crosshair');

var PositionMixin = require('./mixin/position');

var MarkerGroupMixin = require('./mixin/marker-group');

var CONTAINER_CLASS = 'g2-tooltip';
var TITLE_CLASS = 'g2-tooltip-title';
var LIST_CLASS = 'g2-tooltip-list';
var MARKER_CLASS = 'g2-tooltip-marker';
var VALUE_CLASS = 'g2-tooltip-value';
var LIST_ITEM_CLASS = 'g2-tooltip-list-item';
var MARKER_SIZE = 5;
var Marker = G.Marker;

function find(dom, cls) {
  return dom.getElementsByClassName(cls)[0];
}

function mergeStyles(styles, cfg) {
  Object.keys(styles).forEach(function (k) {
    if (cfg[k]) {
      styles[k] = Util.mix(styles[k], cfg[k]);
    }
  });
  return styles;
}

var HtmlTooltip = /*#__PURE__*/function (_Tooltip) {
  _inheritsLoose(HtmlTooltip, _Tooltip);

  var _super = _createSuper(HtmlTooltip);

  var _proto = HtmlTooltip.prototype;

  _proto.getDefaultCfg = function getDefaultCfg() {
    var cfg = _Tooltip.prototype.getDefaultCfg.call(this);

    return Util.mix({}, cfg, {
      /**
         * tooltip 容器模板
         * @type {String}
      */
      containerTpl: ' <div class="' + CONTAINER_CLASS + '"> ' + '<div class="' + TITLE_CLASS + '"></div>' + '<ul class="' + LIST_CLASS + '"></ul>' + '</div>',

      /**
       * tooltip 列表项模板
       * @type {String}
       */
      itemTpl: "<li data-index={index}>\n      <svg viewBox=\"0 0 " + MARKER_SIZE + " " + MARKER_SIZE + "\" class=\"" + MARKER_CLASS + "\"></svg>\n      {name}<span class=\"" + VALUE_CLASS + "\">{value}</span></li>",

      /**
       * tooltip html内容
       * @type {String}
       */
      htmlContent: null,

      /**
       * tooltip 内容跟随鼠标移动
       * @type {Boolean}
       */
      follow: true,

      /**
       * 是否允许鼠标停留在 tooltip 上，默认不允许
       * @type {Boolean}
       */
      enterable: false
    });
  };

  function HtmlTooltip(cfg) {
    var _this;

    _this = _Tooltip.call(this, cfg) || this;
    Util.assign(_assertThisInitialized(_this), PositionMixin);
    Util.assign(_assertThisInitialized(_this), MarkerGroupMixin);
    var style = TooltipTheme;
    _this.style = mergeStyles(style, cfg);

    _this._init_();

    if (_this.get('items')) {
      _this.render();
    } // crosshair


    var crosshair = _this.get('crosshairs');

    if (crosshair) {
      var plot = crosshair.type === 'rect' ? _this.get('backPlot') : _this.get('frontPlot');
      var crosshairGroup = new Crosshair(Util.mix({
        plot: plot,
        plotRange: _this.get('plotRange'),
        canvas: _this.get('canvas')
      }, _this.get('crosshairs')));
      crosshairGroup.hide();

      _this.set('crosshairGroup', crosshairGroup);
    }

    return _this;
  }

  _proto._init_ = function _init_() {
    var self = this;
    var containerTpl = self.get('containerTpl');
    var outterNode = self.get('canvas').get('el').parentNode;
    var container;

    if (!this.get('htmlContent')) {
      if (/^\#/.test(containerTpl)) {
        // 如果传入 dom 节点的 id
        var id = containerTpl.replace('#', '');
        container = document.getElementById(id);
      } else {
        container = DomUtil.createDom(containerTpl);
        DomUtil.modifyCSS(container, self.style[CONTAINER_CLASS]);
        outterNode.appendChild(container);
        outterNode.style.position = 'relative';
      }

      self.set('container', container);
    }
  };

  _proto.render = function render() {
    var self = this;
    self.clear();

    if (self.get('htmlContent')) {
      var outterNode = self.get('canvas').get('el').parentNode;

      var container = self._getHtmlContent();

      outterNode.appendChild(container);
      self.set('container', container);
    } else {
      self._renderTpl();
    }
  };

  _proto._renderTpl = function _renderTpl() {
    var self = this;
    var showTitle = self.get('showTitle');
    var titleContent = self.get('titleContent');
    var container = self.get('container');
    var titleDom = find(container, TITLE_CLASS);
    var listDom = find(container, LIST_CLASS);
    var items = self.get('items');

    if (titleDom && showTitle) {
      DomUtil.modifyCSS(titleDom, self.style[TITLE_CLASS]);
      titleDom.innerHTML = titleContent;
    }

    if (listDom) {
      DomUtil.modifyCSS(listDom, self.style[LIST_CLASS]);
      Util.each(items, function (item, index) {
        listDom.appendChild(self._addItem(item, index));
      });
    }
  };

  _proto.clear = function clear() {
    var container = this.get('container');

    if (this.get('htmlContent')) {
      container && container.remove();
    } else {
      var titleDom = find(container, TITLE_CLASS);
      var listDom = find(container, LIST_CLASS);

      if (titleDom) {
        titleDom.innerHTML = '';
      }

      if (listDom) {
        listDom.innerHTML = '';
      }
    }
  };

  _proto.show = function show() {
    var container = this.get('container');

    if (!container || this.destroyed) {
      // 防止容器不存在或者被销毁时报错
      return;
    }

    container.style.visibility = 'visible';
    container.style.display = 'block';
    var crosshairGroup = this.get('crosshairGroup');
    crosshairGroup && crosshairGroup.show();
    var markerGroup = this.get('markerGroup');
    markerGroup && markerGroup.show();

    _Tooltip.prototype.show.call(this);

    this.get('canvas').draw();
  };

  _proto.hide = function hide() {
    var container = this.get('container'); // relative: https://github.com/antvis/g2/issues/1221

    if (!container || this.destroyed) {
      return;
    }

    container.style.visibility = 'hidden';
    container.style.display = 'none';
    var crosshairGroup = this.get('crosshairGroup');
    crosshairGroup && crosshairGroup.hide();
    var markerGroup = this.get('markerGroup');
    markerGroup && markerGroup.hide();

    _Tooltip.prototype.hide.call(this);

    this.get('canvas').draw();
  };

  _proto.destroy = function destroy() {
    var self = this;
    var container = self.get('container');
    var containerTpl = self.get('containerTpl');

    if (container && !/^\#/.test(containerTpl)) {
      container.parentNode.removeChild(container);
    }

    var crosshairGroup = this.get('crosshairGroup');
    crosshairGroup && crosshairGroup.destroy();
    var markerGroup = this.get('markerGroup');
    markerGroup && markerGroup.remove();

    _Tooltip.prototype.destroy.call(this);
  };

  _proto._getMarkerSvg = function _getMarkerSvg(item) {
    var marker = item.marker || {};
    var symbol = marker.activeSymbol || marker.symbol;
    var method;

    if (Util.isFunction(symbol)) {
      method = symbol;
    } else if (Util.isString(symbol)) {
      method = Marker.Symbols[symbol];
    }

    method = Util.isFunction(method) ? method : Marker.Symbols.circle;
    var pathArr = method(MARKER_SIZE / 2, MARKER_SIZE / 2, MARKER_SIZE / 2);
    var path = pathArr.reduce(function (res, arr) {
      return "" + res + arr[0] + arr.slice(1).join(',');
    }, '');
    return "<path d=\"" + path + "\" fill=\"" + (marker.fill || 'none') + "\" stroke=\"" + (marker.stroke || 'none') + "\" />";
  };

  _proto._addItem = function _addItem(item, index) {
    var itemTpl = this.get('itemTpl'); // TODO: 有可能是个回调函数

    var itemDiv = Util.substitute(itemTpl, Util.mix({
      index: index
    }, item));
    var itemDOM = DomUtil.createDom(itemDiv);
    DomUtil.modifyCSS(itemDOM, this.style[LIST_ITEM_CLASS]);
    var markerDom = find(itemDOM, MARKER_CLASS);

    if (markerDom) {
      DomUtil.modifyCSS(markerDom, _extends({}, this.style[MARKER_CLASS], {
        borderRadius: 'unset'
      }));

      var markerPath = this._getMarkerSvg(item);

      markerDom.innerHTML = markerPath;
    }

    var valueDom = find(itemDOM, VALUE_CLASS);

    if (valueDom) {
      DomUtil.modifyCSS(valueDom, this.style[VALUE_CLASS]);
    }

    return itemDOM;
  };

  _proto._getHtmlContent = function _getHtmlContent() {
    var htmlContent = this.get('htmlContent');
    var title = this.get('titleContent');
    var items = this.get('items');
    var htmlString = htmlContent(title, items);
    var ele = DomUtil.createDom(htmlString);
    return ele;
  };

  _proto.setPosition = function setPosition(x, y, target) {
    var container = this.get('container');
    var outterNode = this.get('canvas').get('el');
    var viewWidth = DomUtil.getWidth(outterNode);
    var viewHeight = DomUtil.getHeight(outterNode);
    var containerWidth = container.clientWidth;
    var containerHeight = container.clientHeight;
    var endx = x;
    var endy = y;
    var position;
    var prePosition = this.get('prePosition') || {
      x: 0,
      y: 0
    }; // @2019-01-30 by blue.lb 由于display:none的元素获取clientWidth和clientHeight的值为0，这里强制显隐一下，其实直接在show和hide中去掉display设置最好，猜测为了更好的兼容浏览器

    if (!containerWidth) {
      container.style.display = 'block';
      containerWidth = container.clientWidth;
      containerHeight = container.clientHeight;
      container.style.display = 'none';
    }

    if (this.get('enterable')) {
      y = y - container.clientHeight / 2;
      position = [x, y];

      if (prePosition && x - prePosition.x > 0) {
        // 留 1px 防止鼠标点击事件无法在画布上触发
        x -= container.clientWidth + 1;
      } else {
        x += 1;
      }
    } else if (this.get('position')) {
      // @2019-01-30 by blue.lb 这里应该是多余代码
      // const containerWidth = container.clientWidth;
      // const containerHeight = container.clientHeight;
      position = this._calcTooltipPosition(x, y, this.get('position'), containerWidth, containerHeight, target);
      x = position[0];
      y = position[1];
    } else {
      position = this._constraintPositionInBoundary(x, y, containerWidth, containerHeight, viewWidth, viewHeight);
      x = position[0];
      y = position[1];
    }

    if (this.get('inPlot')) {
      // tooltip 必须限制在绘图区域内
      var plotRange = this.get('plotRange');
      position = this._constraintPositionInPlot(x, y, containerWidth, containerHeight, plotRange, this.get('enterable'));
      x = position[0];
      y = position[1];
    }

    var markerItems = this.get('markerItems');

    if (!Util.isEmpty(markerItems)) {
      endx = markerItems[0].x;
      endy = markerItems[0].y;
    }

    this.set('prePosition', position); // 记录上次的位置

    var follow = this.get('follow');

    if (follow) {
      container.style.left = x + 'px';
      container.style.top = y + 'px';
    }

    var crosshairGroup = this.get('crosshairGroup');

    if (crosshairGroup) {
      var items = this.get('items');
      crosshairGroup.setPosition(endx, endy, items);
    }

    _Tooltip.prototype.setPosition.call(this, x, y);
  };

  return HtmlTooltip;
}(Tooltip);

module.exports = HtmlTooltip;