import { _decorator, Component, Node, Button, Label, ScrollView, resources, instantiate, Prefab } from 'cc';
const { ccclass, property } = _decorator;

@ccclass('ResourceExplorer')
export class ResourceExplorer extends Component {
    @property({
        type: Label,
        tooltip: '资源路径标签'
    })
    pathLabel: Label = null;

    @property({
        type: Button,
        tooltip: '扫描按钮'
    })
    scanButton: Button = null;

    @property({
        type: Label,
        tooltip: '结果标签'
    })
    resultLabel: Label = null;

    @property({
        tooltip: '要扫描的资源路径'
    })
    resourcePath: string = 'avatars';

    start() {
        // 注册扫描按钮点击事件
        if (this.scanButton) {
            this.scanButton.node.on(Button.EventType.CLICK, this.onScanButtonClick, this);
        }

        // 更新路径显示
        this.updatePathDisplay();
    }

    updatePathDisplay() {
        if (this.pathLabel) {
            this.pathLabel.string = `当前路径: ${this.resourcePath}`;
        }
    }

    onScanButtonClick() {
        this.scanResources();
    }

    scanResources() {
        this.showResult(`正在扫描路径: ${this.resourcePath}...`);

        resources.loadDir(this.resourcePath, (err, assets) => {
            if (err) {
                this.showResult(`扫描失败: ${err.message}`);
                return;
            }

            let result = `找到 ${assets.length} 个资源:\n\n`;
            
            if (assets.length === 0) {
                result += "没有找到资源，请确认路径是否正确。";
            } else {
                assets.forEach((asset, index) => {
                    result += `${index + 1}. ${asset.name} (${asset.constructor ? asset.constructor.name : '未知类型'})\n`;
                });
            }

            this.showResult(result);
        });
    }

    showResult(message: string) {
        if (this.resultLabel) {
            this.resultLabel.string = message;
        }
        console.log(message);
    }

    setResourcePath(path: string) {
        this.resourcePath = path;
        this.updatePathDisplay();
    }

    navigateToParent() {
        const parts = this.resourcePath.split('/');
        if (parts.length > 1) {
            parts.pop();
            this.resourcePath = parts.join('/');
        } else {
            this.resourcePath = '';
        }
        this.updatePathDisplay();
    }

    navigateToChild(childName: string) {
        if (this.resourcePath) {
            this.resourcePath += '/' + childName;
        } else {
            this.resourcePath = childName;
        }
        this.updatePathDisplay();
    }

    onDestroy() {
        // 清理事件监听
        if (this.scanButton) {
            this.scanButton.node.off(Button.EventType.CLICK, this.onScanButtonClick, this);
        }
    }
}