import { ref } from 'vue'
import { OperationType } from '../tools/layerHelper'
import { BrushManager } from "./brushes/brushManager";
import { BrushIndicator } from "./BrushIndicator";
import i18n from "@/lang";
const t = i18n.global.t
export class ToolManager {
	stateManager: any
	canvasManager: any
	currentTool: any
	brushManager: any
	tools: any[]
	brushIndicator: 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",
				setup: this.setupBrushTool.bind(this),
				isDrawingMode: true,
			},
			/** 橡皮擦工具 */
			{
				name: OperationType.ERASER,
				cursor: "crosshair",
				setup: this.setupEraserTool.bind(this),
				isDrawingMode: true,
			},
			/** 智能选框工具 */
			{
				name: OperationType.SELECTBOX,
				cursor: "crosshair",
			},
			/** 矩形工具 */
			{
				name: OperationType.RECTANGLE,
				cursor: "crosshair",
			},
			/** 直线工具 */
			{
				name: OperationType.LINE,
				cursor: "crosshair",
			},
			/** 箭头工具 */
			{
				name: OperationType.ARROW,
				cursor: "crosshair",
			},
			/** 椭圆工具 */
			{
				name: OperationType.ELLIPSE,
				cursor: "crosshair",
			},
			/** 三角形工具 */
			{
				name: OperationType.TRIANGLE,
				cursor: "crosshair",
			},
			/** 五角星工具 */
			{
				name: OperationType.STAR,
				cursor: "crosshair",
			},

		]
	}
	onMounted() {
		this.brushIndicator = new BrushIndicator(this.canvasManager.canvas, {
			strokeColor: "rgba(0, 0, 0, 0.6)",
			strokeWidth: 1,
			fillColor: "rgba(0, 0, 0, 0.1)",
		});
		this.brushManager = new BrushManager({
			canvas: this.canvasManager.canvas,
			layerManager: this.canvasManager.layerManager, // 传入图层管理器引用
			brushIndicator: this.brushIndicator,
			t,
		});
		this.stateManager.setManager({
			brushManager: this.brushManager,
		})
	}
	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.isDrawingMode = !!tool.isDrawingMode;// 绘制模式
		if (!tool.isDrawingMode) this._disableBrushIndicator()// 非绘制模式，禁用笔刷指示器


		if (tool.setup) tool.setup()

		setTimeout(() => {
			this.canvasManager.renderAll()
		});
	}
	// 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) => {
			if (v.info?.lock) return
			v.evented = value
		})
	}
	/** 选择工具 */
	setupSelectTool() {
	}
	/** 移动工具 */
	setupMoveTool() {
	}
	/** 画笔工具 */
	setupBrushTool() {
		if (!this.canvasManager.canvas) return;

		// 确保有笔刷管理器
		if (this.brushManager) {
			// 检查画笔是否正在更新中
			if (this.brushManager.isUpdatingBrush) {
				console.warn("画笔正在更新中，请稍候...");
				return;
			}
			const brushStore = this.brushManager?.brushStore
			if (brushStore) {
				// 同步基本属性
				this.brushManager.setBrushSize(brushStore.state.size);
				this.brushManager.setBrushColor(brushStore.state.color);
				this.brushManager.setBrushOpacity(brushStore.state.opacity);

				// 同步笔刷类型 - 修复方法名，使用正确的setBrushType方法
				this.brushManager.setBrushType("pencil");
			}

			// 更新应用到画布
			this.brushManager.updateBrush();
		}

		// 启用笔刷指示器并同步颜色
		this._enableBrushIndicator();
	}
	/**
   * 设置橡皮擦工具
   */
	setupEraserTool() {
		if (!this.canvasManager.canvas) return;

		// 确保有笔刷管理器
		if (this.brushManager) {
			this.brushManager.createEraser();
		}

		this.stateManager.layerManager.setActiveObjectErasable()
		// 启用笔刷指示器
		this._enableBrushIndicator();
	}

	/**
	 * 启用笔刷指示器
	 * @param {String} color 笔刷颜色（可选）
	 * @private
	 */
	_enableBrushIndicator(color?: string) {
		if (!this.brushIndicator) return;

		// 获取当前笔刷大小
		const brushSize = this.brushManager?.getBrushSize() || 5;
		// 获取当前笔刷颜色
		const brushColor = color || this.brushManager?.getBrushColor() || "#000000";

		// 启用指示器
		this.brushIndicator.enable(brushSize);
		this.brushIndicator.updateSize(brushSize);
		// 更新指示器颜色
		this.brushIndicator.updateColor(brushColor);
	}

	/** 禁用笔刷指示器 */
	_disableBrushIndicator() {
		if (!this.brushIndicator) return;

		this.brushIndicator.disable();
	}
	dispose() {
		this.brushIndicator?.dispose()
		this.brushManager?.dispose()
	}
}