// 灵感广场页面
Page({
  data: {
    posts: [],
    leftPosts: [],
    rightPosts: [],
    page: 0,
    size: 20,
    loading: false,
    hasMore: true,
    currentTag: '',
    sortType: 'latest',
    showDetail: false,
    selectedPost: {}
  },

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

  onShow() {
    // 刷新列表
    if (this.data.posts.length === 0) {
      this.loadPosts();
    }
  },

  // 加载帖子列表
  loadPosts(reset = false) {
    if (this.data.loading) return;
    
    if (reset) {
      this.setData({
        page: 0,
        posts: [],
        leftPosts: [],
        rightPosts: [],
        hasMore: true
      });
    }
    
    this.setData({ loading: true });
    
    const apiBaseUrl = getApp().globalData.apiBaseUrl;
    const { page, size, currentTag, sortType } = this.data;
    
    let url = `${apiBaseUrl}/api/square/posts?page=${page}&size=${size}&sort=${sortType}`;
    if (currentTag) {
      url += `&tag=${encodeURIComponent(currentTag)}`;
    }
    
    wx.request({
      url,
      success: (res) => {
        if (res.data && res.data.success) {
          const newPosts = res.data.data || [];
          const allPosts = reset ? newPosts : [...this.data.posts, ...newPosts];
          
          // 分配到左右两列
          const leftPosts = [];
          const rightPosts = [];
          allPosts.forEach((post, index) => {
            if (index % 2 === 0) {
              leftPosts.push(post);
            } else {
              rightPosts.push(post);
            }
          });
          
          this.setData({
            posts: allPosts,
            leftPosts,
            rightPosts,
            hasMore: res.data.hasMore,
            page: page + 1,
            loading: false
          });
        } else {
          this.setData({ loading: false });
        }
      },
      fail: () => {
        this.setData({ loading: false });
        wx.showToast({ title: '加载失败', icon: 'none' });
      }
    });
  },

  // 点击标签
  onTagTap(e) {
    const tag = e.currentTarget.dataset.tag;
    this.setData({ currentTag: tag });
    this.loadPosts(true);
  },

  // 切换排序
  onSortTap(e) {
    const type = e.currentTarget.dataset.type;
    this.setData({ sortType: type });
    this.loadPosts(true);
  },

  // 点击帖子
  onPostTap(e) {
    const post = e.currentTarget.dataset.post;
    this.setData({
      selectedPost: post,
      showDetail: true
    });
  },

  // 关闭详情
  onCloseDetail() {
    this.setData({ showDetail: false });
  },

  // 阻止冒泡
  onDetailTap() {
    // 什么都不做
  },

  // 点赞
  onLikeTap() {
    const { selectedPost } = this.data;
    const apiBaseUrl = getApp().globalData.apiBaseUrl;
    
    wx.request({
      url: `${apiBaseUrl}/api/square/posts/${selectedPost.id}/like`,
      method: 'POST',
      success: (res) => {
        if (res.data && res.data.success) {
          // 更新本地数据
          const updatedPost = { ...selectedPost, likeCount: (selectedPost.likeCount || 0) + 1 };
          this.setData({ selectedPost: updatedPost });
          
          // 更新列表中的数据
          const posts = this.data.posts.map(p => 
            p.id === selectedPost.id ? updatedPost : p
          );
          this.setData({ posts });
          
          wx.showToast({ title: '已共鸣', icon: 'none' });
        }
      }
    });
  },

  // 同款跳转（卡片上）
  onCopyTap(e) {
    const { keyword, mode } = e.currentTarget.dataset;
    this.navigateToHome(keyword, mode);
  },

  // 同款跳转（详情中）
  onDetailCopyTap() {
    const { keyword, mode } = this.data.selectedPost;
    this.navigateToHome(keyword, mode);
  },

  // 跳转到首页
  navigateToHome(keyword, mode) {
    if (!keyword) {
      wx.showToast({ title: '无法获取关键词', icon: 'none' });
      return;
    }
    
    wx.reLaunch({
      url: `/pages/home/home?keyword=${encodeURIComponent(keyword)}&mode=${mode || 'poetic'}`
    });
  },

  // 下拉刷新
  onPullDownRefresh() {
    this.loadPosts(true);
    wx.stopPullDownRefresh();
  },

  // 上拉加载更多
  onReachBottom() {
    if (this.data.hasMore && !this.data.loading) {
      this.loadPosts();
    }
  }
});