// 知识库首页：搜索 + 标签筛选 + 卡片流
Page({
  data: {
    keyword: '',
    activeTag: '全部',
    tags: ['全部', '读书', '生活', '灵感', '星象'],
    notes: []
  },

  onShow() {
    this.refresh()
  },

  refresh() {
    const all = getApp().globalData.notes
    const kw = this.data.keyword.trim()
    let list = all
    if (this.data.activeTag !== '全部') {
      list = list.filter(n => n.tags.includes(this.data.activeTag))
    }
    if (kw) {
      list = list.filter(n =>
        n.title.includes(kw) || n.summary.includes(kw) || n.tags.join('').includes(kw)
      )
    }
    this.setData({ notes: list })
  },

  onSearchInput(e) {
    this.setData({ keyword: e.detail.value })
    this.refresh()
  },

  onTapTag(e) {
    this.setData({ activeTag: e.currentTarget.dataset.tag })
    this.refresh()
  },

  onTapNote(e) {
    wx.navigateTo({ url: '/pages/detail/detail?id=' + e.currentTarget.dataset.id })
  },

  onTapAdd() {
    wx.navigateTo({ url: '/pages/editor/editor' })
  },

  onAskAI() {
    wx.showModal({
      title: 'AI 问答（原型占位）',
      content: '正式版接 DeepSeek：对“公开且 AI 可读”的条目做检索问答，每人每天 10 次。',
      showCancel: false
    })
  }
})