// 路径导航模块（复制自 client/js/disk/path.js）

class ResourceManagerPathNavigator {
    constructor(options = {}) {
        this.container = options.container;
        this.rootName = options.rootName || '全部文件';
        this.onNavigate = options.onNavigate || (() => {});
        
        this.currentPath = '';
        this.pathParts = [];
        
        this.init();
    }

    init() {
        this.render();
        this.bindEvents();
    }

    bindEvents() {
        this.container.addEventListener('click', (e) => {
            const item = e.target.closest('.breadcrumb-item');
            if (!item) return;
            
            const path = item.dataset.path || '';
            this.navigateTo(path);
        });
    }

    navigateTo(path) {
        this.currentPath = path;
        this.pathParts = path ? path.split('/').filter(p => p) : [];
        this.render();
        this.onNavigate(path);
    }

    getPath() {
        return this.currentPath;
    }

    render() {
        let html = `<span class="breadcrumb-item ${this.pathParts.length === 0 ? 'active' : ''}" data-path="">${this.rootName}</span>`;
        
        let currentPath = '';
        this.pathParts.forEach((part, index) => {
            currentPath += (index === 0 ? '' : '/') + part;
            const isLast = index === this.pathParts.length - 1;
            html += `<span class="breadcrumb-item ${isLast ? 'active' : ''}" data-path="${currentPath}">${part}</span>`;
        });
        
        this.container.innerHTML = html;
    }
}
