import * as zrUtil from 'zrender/src/core/util';
import Group from 'zrender/src/container/Group';
import deviceType from './constant/deviceType';
import shapefactory from './shape/factory';
import Transform from './transform';

class Painter {
	constructor(jmap) {
		// 父级实例
		this.$jmap = jmap;
		this.$zr = jmap.getZr();

		// 视图控制器
		this.$transform = new Transform(this, this.$zr);

		// 图层数据
		this.mapInstanceLevel = {};

		// 父级图层
		this.parentLevel = null;

		// 初始绘图实例
		this.initPainterInstance();
	}

	/**
     * 初始绘图实例
     * @param {*} dom
     * @param {*} config
     */
	initPainterInstance() {
		// 添加父级图层
		this.parentLevel = new Group({ name: '__parent__' });
		this.$zr.add(this.parentLevel);

		// 添加子级图层
		zrUtil.each(Object.values(deviceType), (type) => {
			const level = new Group({ name: `__${type}__` });
			this.mapInstanceLevel[type] = level;
			this.parentLevel.add(level);
		});
	}

	/**
     * 重绘视图
     * @param {*} mapDevice
     */
	repaint(mapDevice) {
		// 清空视图
		this.clear();

		// 创建视图
		Object.values(mapDevice).forEach(device => {
			this.add(device);
		});
	}

	/**
     * 添加视图
     * @param {*} device
     */
	add(device) {
		const type = device._type;
		const instance = shapefactory(type, device, this.$jmap);
		if (instance) {
			this.$transform.transformView(instance);
			device.instance = instance;
			this.mapInstanceLevel[type].add(instance);
		}
	}

	/**
     * 删除视图
     * @param {*} device
     */
	delete(device) {
		const type = device._type;
		const instance = device.instance;
		if (instance) {
			this.mapInstanceLevel[type].remove(instance);
		}
	}

	/**
     * 更新视图
     * @param {*} device
     */
	update(device) {
		const instance = device.instance;
		if (instance) {
			instance.setState(device.state);
		}
	}

	/**
     * 更新图层zoom
     * @param {*} zoom
     */
	updateZoomTransform(zoom) {
		this.$transform.updateTransform(zoom);
	}

	/**
	 * 设置图层显隐
	 * @param {*} code
	 */
	setLevelInvisible(list) {
		zrUtil.each(Object.values(deviceType), type => {
			const level = this.mapInstanceLevel[type];
			if (list.includes(type)) {
				level.hide();
			} else {
				level.show();
			}
		});
	}

	/**
     * 刷新图层
     */
	refresh() {
		this.$zr && this.$zr.refresh();
	}

	/**
     * 清除图层
     */
	clear() {
		zrUtil.each(Object.values(this.mapInstanceLevel), (level) => {
			level && level.removeAll();
		});

		this.refresh();
	}

	/**
    * 销毁图层
    */
	dispose() {
		this.mapInstanceLevel = {};
		this.parentLevel = null;
	}

	/**
     * 父级图层
     */
	getParentLevel() {
		return this.parentLevel;
	}
}

export default Painter;