// 编辑页：新建/编辑条目（原型：写回本地假数据）
Page({
  data: {
    id: null,
    title: '',
    content: '',
    tagStr: '',
    visibility: 'private',
    aiReadable: true
  },

  onLoad(query) {
    if (query.id) {
      const n = getApp().globalData.notes.find(x => x.id === query.id)
      if (n) {
        this.setData({
          id: n.id, title: n.title, content: n.content,
          tagStr: n.tags.join('，'),
          visibility: n.visibility, aiReadable: n.aiReadable
        })
        wx.setNavigationBarTitle({ title: '编辑条目' })
      }
    }
  },

  onTitle(e) { this.setData({ title: e.detail.value }) },
  onContent(e) { this.setData({ content: e.detail.value }) },
  onTags(e) { this.setData({ tagStr: e.detail.value }) },
  onVis(e) { this.setData({ visibility: e.detail.value ? 'public' : 'private' }) },
  onAI(e) { this.setData({ aiReadable: e.detail.value }) },

  onSave() {
    if (!this.data.title.trim()) {
      wx.showToast({ title: '标题不能为空', icon: 'none' })
      return
    }
    const app = getApp()
    const tags = this.data.tagStr.split(/[,，]/).map(t => t.trim()).filter(Boolean)
    const now = new Date()
    const stamp = `${String(now.getMonth() + 1).padStart(2, '0')}-${String(now.getDate()).padStart(2, '0')} ${String(now.getHours()).padStart(2, '0')}:${String(now.getMinutes()).padStart(2, '0')}`

    if (this.data.id) {
      const n = app.globalData.notes.find(x => x.id === this.data.id)
      Object.assign(n, {
        title: this.data.title, content: this.data.content, tags,
        visibility: this.data.visibility, aiReadable: this.data.aiReadable, updatedAt: stamp
      })
    } else {
      app.globalData.notes.unshift({
        id: 'n' + Date.now(),
        title: this.data.title, content: this.data.content, tags,
        summary: this.data.content.replace(/[#*\-\n]/g, ' ').slice(0, 40),
        visibility: this.data.visibility, aiReadable: this.data.aiReadable,
        updatedAt: stamp
      })
    }
    wx.showToast({ title: '已保存（原型）' })
    setTimeout(() => wx.navigateBack(), 600)
  }
})