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

Page({
  data: {
    locks: [],
    unreadRows: [],
    readRows: [],
    unreadPage: 1,
    readPage: 1,
    unreadPageInput: '1',
    readPageInput: '1',
    unreadTotal: 0,
    readTotal: 0,
    unreadTotalPages: 1,
    readTotalPages: 1,
    loading: false,
    refreshing: false,
    detailVisible: false,
    detailType: '',
    selectedLock: null,
    selectedFeedback: null,
  },
  onShow() {
    this.load().catch(error => {
      wx.showToast({ title: error.message || '加载失败', icon: 'none' })
    })
  },
  async onPullDownRefresh() {
    this.setData({ refreshing: true })
    try {
      await this.load()
    } finally {
      this.setData({ refreshing: false })
      if (wx.stopPullDownRefresh) {
        wx.stopPullDownRefresh()
      }
    }
  },
  async load() {
    this.setData({ loading: true })
    try {
      await Promise.all([
        this.loadLocks(),
        this.loadFeedbacks('unread', this.data.unreadPage),
        this.loadFeedbacks('read', this.data.readPage),
      ])
    } finally {
      this.setData({ loading: false })
    }
  },
  async loadLocks() {
    const locks = await api.listMonitorLocks()
    this.setData({ locks })
  },
  async loadFeedbacks(box, page = 1) {
    const result = await api.listMoldLockFeedbacks({ box, page, pageSize: 10 })
    if (box === 'read') {
      this.setData({
        readRows: result.rows || [],
        readPage: result.page || 1,
        readPageInput: String(result.page || 1),
        readTotal: result.total || 0,
        readTotalPages: result.totalPages || 1,
      })
      return
    }
    this.setData({
      unreadRows: result.rows || [],
      unreadPage: result.page || 1,
      unreadPageInput: String(result.page || 1),
      unreadTotal: result.total || 0,
      unreadTotalPages: result.totalPages || 1,
    })
  },
  async changeFeedbackPage(e) {
    const box = e.currentTarget.dataset.box
    const direction = Number(e.currentTarget.dataset.direction || 0)
    const pageKey = box === 'read' ? 'readPage' : 'unreadPage'
    const totalPagesKey = box === 'read' ? 'readTotalPages' : 'unreadTotalPages'
    const nextPage = Math.max(1, Math.min(this.data[totalPagesKey], this.data[pageKey] + direction))
    await this.loadFeedbacks(box, nextPage)
  },
  onFeedbackPageInput(e) {
    const box = e.currentTarget.dataset.box
    const inputKey = box === 'read' ? 'readPageInput' : 'unreadPageInput'
    this.setData({ [inputKey]: e.detail.value })
  },
  async jumpFeedbackPage(e) {
    wx.hideKeyboard()
    const box = e.currentTarget.dataset.box
    const pageKey = box === 'read' ? 'readPage' : 'unreadPage'
    const inputKey = box === 'read' ? 'readPageInput' : 'unreadPageInput'
    const totalPagesKey = box === 'read' ? 'readTotalPages' : 'unreadTotalPages'
    const inputValue = e && e.detail && e.detail.value !== undefined ? e.detail.value : this.data[inputKey]
    const target = Math.max(1, Math.min(Number(inputValue) || this.data[pageKey], this.data[totalPagesKey]))
    if (target === this.data[pageKey]) {
      this.setData({ [inputKey]: String(this.data[pageKey] || 1) })
      return
    }
    await this.loadFeedbacks(box, target)
  },
  openLock(e) {
    const index = Number(e.currentTarget.dataset.index)
    const selectedLock = this.data.locks[index]
    if (!selectedLock) {
      return
    }
    this.setData({
      detailVisible: true,
      detailType: 'lock',
      selectedLock,
      selectedFeedback: null,
    })
  },
  async openFeedback(e) {
    const box = e.currentTarget.dataset.box
    const index = Number(e.currentTarget.dataset.index)
    const rows = box === 'read' ? this.data.readRows : this.data.unreadRows
    const feedback = rows[index]
    if (!feedback) {
      return
    }
    wx.showLoading({ title: '加载中' })
    try {
      const selectedFeedback = box === 'unread'
        ? await api.readMoldLockFeedback(feedback.id)
        : feedback
      this.setData({
        detailVisible: true,
        detailType: 'feedback',
        selectedLock: null,
        selectedFeedback,
      })
      if (box === 'unread') {
        await Promise.all([
          this.loadFeedbacks('unread', this.data.unreadPage),
          this.loadFeedbacks('read', 1),
        ])
      }
    } catch (error) {
      wx.showToast({ title: error.message || '加载失败', icon: 'none' })
    } finally {
      wx.hideLoading()
    }
  },
  closeDetail() {
    this.setData({
      detailVisible: false,
      detailType: '',
      selectedLock: null,
      selectedFeedback: null,
    })
  },
  noop() {},
  async releaseFromLock() {
    const lock = this.data.selectedLock
    if (!lock) {
      return
    }
    wx.showLoading({ title: '解除中' })
    try {
      await api.releaseMoldLock(lock.id)
      wx.showToast({ title: '已解除占用', icon: 'success' })
      this.closeDetail()
      await this.load()
    } catch (error) {
      wx.showToast({ title: error.message || '解除失败', icon: 'none' })
    } finally {
      wx.hideLoading()
    }
  },
  async releaseFromFeedback() {
    const feedback = this.data.selectedFeedback
    if (!feedback || !feedback.canRelease) {
      return
    }
    wx.showLoading({ title: '解除中' })
    try {
      const selectedFeedback = await api.releaseMoldLockByFeedback(feedback.id)
      wx.showToast({ title: '已解除占用', icon: 'success' })
      this.setData({ selectedFeedback })
      await Promise.all([
        this.loadLocks(),
        this.loadFeedbacks('unread', this.data.unreadPage),
        this.loadFeedbacks('read', this.data.readPage),
      ])
    } catch (error) {
      wx.showToast({ title: error.message || '解除失败', icon: 'none' })
    } finally {
      wx.hideLoading()
    }
  },
})