import { ref } from 'vue'
import { OperationType } from '../tools/layerHelper'
export class ToolManager {
	stateManager: any
	canvasManager: any
	currentTool: any
	tools: any[]
	constructor(options) {
		this.stateManager = options.stateManager;
		this.canvasManager = options.canvasManager;
		this.currentTool = ref(null)
		this.tools = [
			/** 选择工具 */
			{
				name: OperationType.SELECT,
				cursor: "default",
				setup: this.setupSelectTool.bind(this),
				selection: true,
			},
			/** 移动工具 */
			{
				name: OperationType.PAN,
				cursor: "grab",
				setup: this.setupMoveTool.bind(this),
			},
			/** 画笔工具 */
			{
				name: OperationType.DRAW,
				cursor: "crosshair",
			},
			/** 橡皮擦工具 */
			{
				name: OperationType.ERASER,
				cursor: "crosshair",
			},
			/** 智能选框工具 */
			{
				name: OperationType.SELECTBOX,
				cursor: "crosshair",
			},
			/** 矩形工具 */
			{
				name: OperationType.RECTANGLE,
				cursor: "crosshair",
			},
		]
	}
	setTool(value: string) {
		const tool = this.tools.find((t) => t.name === value)
		if (!tool) return console.warn(`工具${tool}不存在`)
		this.currentTool.value = tool.name
		this.canvasManager.canvas.defaultCursor = tool.cursor
		this.setCanvasEvented(!!tool.selection)
		this.canvasManager.canvas.isDragging = !!tool.isDragging

		if (tool.setup) tool.setup()
	}
	// 切换工具时，设置画布事件
	setCanvasEvented(value: boolean) {
		this.canvasManager.canvas.selection = value
		this.canvasManager.canvas.getObjects().forEach((v) => v.evented = value)
	}
	/** 选择工具 */
	setupSelectTool() {
	}
	/** 移动工具 */
	setupMoveTool() {
	}
}