data.js

// 全局数据存储
let tasks = [];
let knowledgeBase = [];

// 从存储中加载数据
export function loadData() {
  return new Promise((resolve) => {
    chrome.storage.local.get(['tasks', 'knowledgeBase', 'lastSync'], function(result) {
      tasks = result.tasks || [];
      knowledgeBase = result.knowledgeBase || [];
      resolve({
        tasks,
        knowledgeBase,
        lastSync: result.lastSync
      });
    });
  });
}

// 保存数据到存储
export function saveData() {
  return new Promise((resolve) => {
    chrome.storage.local.set({
      tasks: tasks,
      knowledgeBase: knowledgeBase
    }, resolve);
  });
}

// 获取任务列表
export function getTasks() {
  return tasks;
}

// 设置任务列表
export function setTasks(newTasks) {
  tasks = newTasks;
}

// 获取知识库列表
export function getKnowledgeBase() {
  return knowledgeBase;
}

// 设置知识库列表
export function setKnowledgeBase(newKnowledgeBase) {
  knowledgeBase = newKnowledgeBase;
}

// 添加任务
export function addTask(task) {
  tasks.unshift(task);
  return saveData();
}

// 更新任务
export function updateTask(taskId, updates) {
  const index = tasks.findIndex(task => task.id === taskId);
  if (index !== -1) {
    tasks[index] = { ...tasks[index], ...updates };
    return saveData();
  }
  return Promise.resolve();
}

// 删除任务
export function deleteTask(taskId) {
  tasks = tasks.filter(task => task.id !== taskId);
  return saveData();
}

// 添加到知识库
export function addToKnowledgeBase(item) {
  const existingIndex = knowledgeBase.findIndex(existing => existing.url === item.url);
  
  if (existingIndex !== -1) {
    knowledgeBase[existingIndex] = {
      ...item,
      savedDate: new Date().toISOString()
    };
  } else {
    knowledgeBase.unshift({
      ...item,
      savedDate: new Date().toISOString()
    });
  }
  
  return saveData();
}

// 更新知识库项目
export function updateKnowledgeItem(itemId, updates) {
  const index = knowledgeBase.findIndex(item => item.id === itemId);
  if (index !== -1) {
    knowledgeBase[index] = { ...knowledgeBase[index], ...updates };
    return saveData();
  }
  return Promise.resolve();
}