const api = require('../../api.js')

Page({
  data: {
    loading: true,
    kits: [],
    appNameZh: 'MilesYang时光助手',
    clipVisible: false,
    clipText: '',
    clipCount: 0,
    clipLines: 0,
    clipPreview: '',
  },

  onLoad() { this.refresh() },

  onShow() { this.checkClipboard() },

  onPullDownRefresh() {
    this.refresh().finally(() => wx.stopPullDownRefresh())
  },

  simpleHash(str) {
    const s = String(str || '')
    let h1 = 0x811c9dc5
    let h2 = 0xdeadbeef
    for (let i = 0; i < s.length; i++) {
      const c = s.charCodeAt(i)
      h1 = Math.imul(h1 ^ c, 16777619)
      h2 = Math.imul(h2 ^ c, 2246822519)
    }
    h1 = (h1 ^ h1 >>> 16) >>> 0
    h2 = (h2 ^ h2 >>> 15) >>> 0
    return h1.toString(36) + h2.toString(36)
  },

  async refresh() {
    this.setData({ loading: true })
    try {
      const res = await api.core.getMeta()
      if (res && res.appNameZh) this.setData({ appNameZh: res.appNameZh })
    } catch (e) {}
    this.setData({
      kits: this.buildKits(),
      loading: false,
    })
  },

  buildKits() {
    return [
      {
        id: 'personal_collect',
        name: '微信收藏夹',
        description: '聊天图片 / 文件 / 文字收藏，标签搜索，软删除可追溯。',
        icon: '📁',
        path: '/kits/personal_collect/pages/list/list',
        meta: 'API: /api/mp_personal_collect/ · DB: mp_personal_collect.db',
      },
      {
        id: 'rep_clock',
        name: '运动节拍 RepClock',
        description: 'HIIT / Yoga / 拉伸节奏倒计时，锚点时钟 + 女声播报。',
        icon: '⏱️',
        path: '/kits/rep_clock/pages/cards/cards',
        meta: 'API: /api/mp_rep_clock/ · DB: mp_rep_clock.db',
      },
    ]
  },

  async onKitTap(e) {
    const id = (e.currentTarget.dataset.id || '').trim()
    const path = (e.currentTarget.dataset.path || '').trim()
    if (!path) { wx.showToast({ title: '功能开发中', icon: 'none' }); return }
    try { await api.core.setActiveKit(id) } catch (e) {}
    wx.navigateTo({
      url: path,
      fail: () => wx.showToast({ title: '打开失败', icon: 'none' }),
    })
  },

  checkClipboard() {
    try {
      const enable = wx.getStorageSync('mp_ta_clip_enable')
      if (enable === false || enable === 'false') return
    } catch (e) {}
    wx.getClipboardData({
      success: (res) => {
        const text = (res.data || '').trim()
        if (text.length < 6 || text.length > 30000) return
        const hash = this.simpleHash(text)
        try {
          const last = wx.getStorageSync('mp_ta_clip_hash')
          if (last === hash) return
          wx.setStorageSync('mp_ta_clip_hash', hash)
        } catch (e) {}
        const count = text.length
        const lines = text.split('\n').length
        const preview = text.length > 220 ? text.slice(0, 220) + '\n\n……' : text
        this.setData({
          clipVisible: true,
          clipText: text,
          clipCount: count,
          clipLines: lines,
          clipPreview: preview,
        })
      },
      fail: () => {}
    })
  },

  onClipCollect() {
    const text = this.data.clipText || ''
    if (!text) { this.setData({ clipVisible: false }); return }
    try { wx.setStorageSync('mp_ta_clip_text', text) } catch (e) {}
    this.setData({ clipVisible: false })
    wx.navigateTo({
      url: '/kits/personal_collect/pages/edit/edit?mode=new',
      fail: () => { wx.showToast({ title: '打开失败', icon: 'none' }) }
    })
  },

  onClipCancel() {
    this.setData({ clipVisible: false })
  },

  onClipDismissForever() {
    wx.showModal({
      title: '不再检测剪贴板？',
      content: '关闭后可在未来任意新增收藏页面时重新开启。',
      confirmText: '不再提示',
      cancelText: '保留',
      success: (r) => {
        if (r.confirm) {
          try { wx.setStorageSync('mp_ta_clip_enable', false) } catch (e) {}
          this.setData({ clipVisible: false })
          wx.showToast({ title: '已关闭检测', icon: 'none' })
        }
      }
    })
  },

  noop() {},
})