const api = require('../../../services/api')
const app = getApp()
Page({
  data: { posts: [], page: 1, loading: true, showCreate: false, content: '', themeMode: 'light' },
  onShow() {
    this.setData({ themeMode: app.globalData.themeMode })
    this.loadFeed()
  },
  onPullDownRefresh() { this.setData({ page: 1 }); this.loadFeed().then(() => wx.stopPullDownRefresh()) },
  async loadFeed() {
    try {
      const data = await api.get('/api/social/feed?page=' + this.data.page + '&pageSize=20')
      if (this.data.page === 1) this.setData({ posts: data.list || [] })
      else this.setData({ posts: [...this.data.posts, ...(data.list || [])] })
    } catch(e) {}
    this.setData({ loading: false })
  },
  openCreate() { this.setData({ showCreate: true, content: '' }) },
  closeCreate() { this.setData({ showCreate: false }) },
  onContentInput(e) { this.setData({ content: e.detail.value }) },
  async submitPost() {
    if (!this.data.content.trim()) return
    try { await api.post('/api/social/posts', { content: this.data.content.trim(), privacy: 1 }); this.closeCreate(); this.onPullDownRefresh() }
    catch(e) { wx.showToast({ title: e.message || '发布失败', icon: 'none' }) }
  },
  async onLike(e) {
    const id = e.currentTarget.dataset.id; const posts = this.data.posts
    try { await api.post('/api/social/posts/' + id + '/like'); const idx = posts.findIndex(p => p.id === id); if (idx > -1) { posts[idx].likes++; this.setData({ posts }) } }
    catch(e) { wx.showToast({ title: '操作失败', icon: 'none' }) }
  },
  loadMore() { this.setData({ page: this.data.page + 1 }); this.loadFeed() },
})