Page({
  data: {
    records: [],
    filteredRecords: [],
    allTags: [],
    selectedFilterTag: '',
    searchKeyword: ''
  },

  onLoad() {
    this.loadDreamRecords();
  },

  onShow() {
    // 每次页面显示时重新加载数据
    this.loadDreamRecords();
  },

  // 加载梦境记录
  loadDreamRecords() {
    wx.getStorage({
      key: 'dreamRecords',
      success: (res) => {
        const records = res.data || [];
        const allTags = this.extractAllTags(records);
        
        this.setData({
          records,
          filteredRecords: records,
          allTags
        });
      }
    });
  },

  // 提取所有标签
  extractAllTags(records) {
    const tagSet = new Set();
    
    records.forEach(record => {
      record.tags.forEach(tag => {
        tagSet.add(tag);
      });
    });
    
    return Array.from(tagSet);
  },

  // 搜索功能
  onSearchChange(e) {
    const keyword = e.detail.value.trim().toLowerCase();
    this.setData({
      searchKeyword: keyword
    });
    this.filterRecords(keyword, this.data.selectedFilterTag);
  },

  // 选择筛选标签
  selectFilterTag(e) {
    const tag = e.currentTarget.dataset.tag;
    this.setData({
      selectedFilterTag: tag
    });
    this.filterRecords(this.data.searchKeyword, tag);
  },

  // 筛选记录
  filterRecords(keyword, tag) {
    let filtered = [...this.data.records];
    
    // 按标签筛选
    if (tag) {
      filtered = filtered.filter(record => 
        record.tags.includes(tag)
      );
    }
    
    // 按关键词搜索
    if (keyword) {
      filtered = filtered.filter(record => {
        const textToSearch = [
          record.title,
          record.scene,
          record.characters,
          record.plot,
          record.details,
          ...record.tags
        ].join(' ').toLowerCase();
        
        return textToSearch.includes(keyword);
      });
    }
    
    this.setData({
      filteredRecords: filtered
    });
  },

  // 获取情绪对应的图标
  getEmotionIcon(emotion) {
    const emotionMap = {
      'happy': 'smile',
      'scared': 'warn',
      'healing': 'like',
      'strange': 'question',
      'sad': 'cry',
      'angry': 'no',
      'nervous': 'waiting',
      'calm': 'sleep'
    };
    
    return emotionMap[emotion] || 'info';
  },

  // 跳转到记录页面
  navigateToRecord() {
    wx.navigateTo({
      url: '/pages/record/record'
    });
  },

  // 跳转到详情页面
  navigateToDetail(e) {
    const id = e.currentTarget.dataset.id;
    wx.navigateTo({
      url: `/pages/detail/detail?id=${id}`
    });
  }
});