import mapboxgl from '@mapgis/mapbox-gl';
import { Common } from '@mapgis/webclient-es6-service';

import { GeoFeatureThemeLayer } from './GeoFeatureThemeLayer';
import { ThemeVector } from './common/overlay/ThemeVector';
import { ShapeFactory } from './common/overlay/feature/ShapeFactory';

const { copyAttributesWithClip, Zondy } = Common;

/**
 * @class Zondy.Map.rangeThemeLayer
 * @classdesc 分段专题图层。
 * @param {string} name - 图层名。
 * @param {Object} options - 参数。
 * @param {string} [options.id] - 专题图层 ID。
 * @param {boolean} [options.loadWhileAnimating=true] - 是否实时重绘。
 * @param {mapboxgl.Map} options.map - 当前 Mapbox GL map 对象。
 * @param {number} [options.opacity=1] - 图层透明度。
 * @param {string} options.themeField - 指定创建专题图字段。
 * @param {Object} options.style - 专题图样式。
 * @param {Object} options.styleGroups - 各专题类型样式组。
 * @param {boolean} [options.isHoverAble=false] - 是否开启 hover 事件。
 * @param {Object} [options.highlightStyle] - 开启 hover 事件后,触发的样式风格。
 * @extends {Zondy.Map.GeoFeatureThemeLayer}
 */
class RangeThemeLayer extends GeoFeatureThemeLayer {
 constructor(name, options) {
 super(name, options);
 this.style = options.style;
 this.isHoverAble = options.isHoverAble;
 this.highlightStyle = options.highlightStyle;
 this.themeField = options.themeField;
 this.styleGroups = options.styleGroups;
 }

 /**
 * @function Zondy.Map.rangeThemeLayer.prototype.createThematicFeature
 * @description 创建专题图要素。
 * @param {Object} feature - 要创建的专题图形要素。
 */
 createThematicFeature(feature) {
 //赋 style
 var style = this.getStyleByData(feature);
 //创建专题要素时的可选参数
 var options = {};
 options.nodesClipPixel = this.nodesClipPixel;
 options.isHoverAble = this.isHoverAble;
 options.isMultiHover = this.isMultiHover;
 options.isClickAble = this.isClickAble;
 options.highlightStyle = ShapeFactory.transformStyle(this.highlightStyle);

 //将数据转为专题要素(Vector)
 var thematicFeature = new ThemeVector(feature, this, ShapeFactory.transformStyle(style), options);

 //直接添加图形到渲染器
 for (var m = 0; m < thematicFeature.shapes.length; m++) {
 this.renderer.addShape(thematicFeature.shapes[m]);
 }
 return thematicFeature;
 }

 /**
 * @private
 * @function Zondy.Map.rangeThemeLayer.prototype.getStyleByData
 * @description 通过数据获取 style。
 * @param {Object} fea - 要素数据。
 */
 getStyleByData(fea) {
 var style = {};
 var feature = fea;
 style = copyAttributesWithClip(style, this.style);
 if (this.themeField && this.styleGroups && this.styleGroups.length > 0 && feature.attributes) {
 var Sf = this.themeField;
 var Attrs = feature.attributes;
 var Gro = this.styleGroups;
 var isSfInAttrs = false; //指定的 themeField 是否是 feature 的属性字段之一
 var attr = null; //属性值

 for (var property in Attrs) {
 if (Sf === property) {
 isSfInAttrs = true;
 attr = Attrs[property];
 break;
 }
 }
 //判断属性值是否属于styleGroups的某一个范围,以便对获取分组 style
 if (isSfInAttrs) {
 for (var i = 0, len = Gro.length; i < len; i++) {
 if (attr >= Gro[i].start && attr < Gro[i].end) {
 //feature.style = CommonUtil.copyAttributes(feature.style, this.defaultStyle);
 var sty1 = Gro[i].style;
 style = copyAttributesWithClip(style, sty1);
 }
 }
 }
 }
 if (feature.style && this.isAllowFeatureStyle === true) {
 style = copyAttributesWithClip(feature.style);
 }
 return style;
 }
}

export { RangeThemeLayer };
export var rangeThemeLayer = function (name, options) {
 return new RangeThemeLayer(name, options);
};

Zondy.Map.rangeThemeLayer = rangeThemeLayer;