import api from '../../utils/api'

type EligibilityStatus =
  | 'not_declared'
  | 'declared'
  | 'needs_evidence'
  | 'pending_review'
  | 'verified'
  | 'rejected'

interface EligibilityStatusResponse {
  verificationStatus?: EligibilityStatus
  eligibilityType?: string
}

Page({
  data: {
    loading: true,
    loadError: false,
    submitting: false,
    status: 'not_declared' as EligibilityStatus,
    eligibilityType: '',
    eligibilityTypes: [
      { value: 'household_registration', label: '丹阳户籍', icon: '户' },
      { value: 'employment', label: '在丹阳工作', icon: '工' },
      { value: 'residence', label: '在丹阳长期居住', icon: '居' },
      { value: 'other', label: '其他符合服务条件', icon: '其' },
    ],
    statusText: {
      not_declared: '尚未声明',
      declared: '声明已保存',
      needs_evidence: '需要补充佐证',
      pending_review: '审核中',
      verified: '已核验',
      rejected: '未通过',
    } as Record<EligibilityStatus, string>,
  },

  onLoad() {
    this.checkStatus()
  },

  onShow() {
    if (!this.data.loading) this.checkStatus()
  },

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

  async checkStatus() {
    this.setData({ loading: true, loadError: false })
    try {
      const result = await api.get<EligibilityStatusResponse>('/local-eligibility')
      this.setData({
        loading: false,
        status: result.verificationStatus || 'not_declared',
        eligibilityType: result.eligibilityType || '',
      })
      return result
    } catch {
      this.setData({ loading: false, loadError: true })
      return null
    }
  },

  onTypeSelect(event: WechatMiniprogram.TouchEvent) {
    const type = event.currentTarget.dataset.type as string
    wx.navigateTo({
      url: `/pages/local-eligibility-supplement/local-eligibility-supplement?type=${type}`,
    })
  },

  goToMyEligibility() {
    const { status, eligibilityType, statusText } = this.data
    if (status === 'needs_evidence' || status === 'rejected' || status === 'declared') {
      wx.navigateTo({
        url: `/pages/local-eligibility-supplement/local-eligibility-supplement?type=${eligibilityType || ''}`,
      })
      return
    }
    wx.showToast({ title: statusText[status] || '状态已更新', icon: 'none' })
  },
})