knowledge-manager.js

import * as dataManager from './data.js';

// 筛选知识库
export function filterKnowledge({ searchTerm, category, dateRange }) {
  let filtered = dataManager.getKnowledgeBase();
  
  // 按搜索词筛选
  if (searchTerm) {
    const term = searchTerm.toLowerCase();
    filtered = filtered.filter(item => 
      item.title.toLowerCase().includes(term) || 
      (item.summary && item.summary.toLowerCase().includes(term))
    );
  }
  
  // 按分类筛选
  if (category && category !== 'all') {
    filtered = filtered.filter(item => item.category === category);
  }
  
  // 按日期筛选
  if (dateRange) {
    const now = new Date();
    const today = new Date(now.getFullYear(), now.getMonth(), now.getDate());
    
    filtered = filtered.filter(item => {
      const itemDate = new Date(item.savedDate);
      const diffDays = Math.floor((today - itemDate) / (1000 * 60 * 60 * 24));
      
      switch (dateRange) {
        case 'today':
          return diffDays === 0;
        case 'week':
          return diffDays < 7;
        case 'month':
          return diffDays < 30;
        default:
          return true;
      }
    });
  }
  
  return filtered;
}

// 更新知识条目的完成状态
export function toggleKnowledgeComplete(itemId) {
  const knowledgeBase = dataManager.getKnowledgeBase();
  const item = knowledgeBase.find(i => i.id === itemId);
  
  if (item) {
    return dataManager.updateKnowledgeItem(itemId, {
      completed: !item.completed,
      updateDate: new Date().toISOString()
    });
  }
  
  return Promise.resolve();
}

// 更新知识条目的重要性
export function updateKnowledgeImportance(itemId, importance) {
  return dataManager.updateKnowledgeItem(itemId, {
    importance,
    updateDate: new Date().toISOString()
  });
}

// 获取所有唯一的分类
export function getUniqueCategories() {
  const knowledgeBase = dataManager.getKnowledgeBase();
  return [...new Set(knowledgeBase.map(item => item.category))];
}

// 与飞书同步
export function syncWithFeishu() {
  return new Promise((resolve, reject) => {
    chrome.runtime.sendMessage({ action: 'syncKnowledgeFromFeishu' }, function(response) {
      if (response && response.success) {
        // 更新最后同步时间
        const lastSync = new Date().getTime();
        chrome.storage.local.set({ lastSync });
        resolve(lastSync);
      } else {
        reject(response?.error || '未知错误');
      }
    });
  });
}

// 获取分类显示名称
export function getCategoryName(categoryCode) {
  const categories = {
    'ai-basics': 'AI基础',
    'machine-learning': '机器学习',
    'deep-learning': '深度学习',
    'nlp': '自然语言处理',
    'computer-vision': '计算机视觉',
    'tech': '技术',
    'design': '设计',
    'product': '产品',
    'business': '商业',
    'other': '其他'
  };
  
  return categories[categoryCode] || categoryCode;
}

// 获取重要性信息
export function getImportanceInfo(importanceCode) {
  const importances = {
    '高': { name: '高重要性', class: 'importance-high' },
    '中': { name: '中重要性', class: 'importance-medium' },
    '低': { name: '低重要性', class: 'importance-low' }
  };
  
  return importances[importanceCode] || { name: '中重要性', class: 'importance-medium' };
}