const { API_BASE_URL, authHeader, request } = require('../../utils/request')

Page({
  data: {
    id: '',
    report: null,
    data: null,
    qualityPercent: 0,
    dimensionCount: 0,
    shareLoading: false,
    shareStatusText: ''
  },

  onLoad(query) {
    this.setData({ id: query.id })
    this.loadReport()
  },

  async loadReport() {
    try {
      const report = await request({ url: `/reports/${this.data.id}` })
      const data = report.report_data || {}
      if (data.dimensions) {
        data.dimensions = data.dimensions.map((item) => ({
          ...item,
          confidencePercent: Math.round((item.confidence || 0) * 100)
        }))
      }
      const handSideText = {
        left: '左手',
        right: '右手',
        unknown: '未知手'
      }[report.hand_side] || '未知手'
      this.setData({
        report: {
          ...report,
          handSideText,
          createdDate: (report.created_at || '').replace('T', ' ').slice(0, 16)
        },
        data,
        qualityPercent: Math.round(((data.quality_check && data.quality_check.confidence) || 0) * 100),
        dimensionCount: data.dimensions ? data.dimensions.length : 0
      })
    } catch (error) {
      wx.showToast({ title: error.message || '加载失败', icon: 'none' })
    }
  },

  deleteReport() {
    wx.showModal({
      title: '删除报告',
      content: '删除后将无法恢复，关联照片也会被清理。',
      success: async (res) => {
        if (!res.confirm) return
        try {
          await request({ url: `/reports/${this.data.id}`, method: 'DELETE' })
          wx.showToast({ title: '已删除' })
          wx.switchTab({ url: '/pages/history/history' })
        } catch (error) {
          wx.showToast({ title: error.message || '删除失败', icon: 'none' })
        }
      }
    })
  },

  generateShareImage() {
    this.setData({ shareLoading: true, shareStatusText: '分享图生成中，通常需要 30-120 秒。你可以先继续查看报告。' })
    request({
      url: `/reports/${this.data.id}/share-image-jobs`,
      method: 'POST'
    })
      .then((job) => this.pollShareImageJob(job.id, 0))
      .catch((error) => {
        this.setData({ shareLoading: false, shareStatusText: '' })
        wx.showToast({ title: error.message || '创建任务失败', icon: 'none' })
      })
  },

  pollShareImageJob(jobId, count) {
    if (count > 80) {
      this.setData({ shareLoading: false, shareStatusText: '' })
      wx.showToast({ title: '生成时间较长，请稍后再试', icon: 'none' })
      return
    }
    request({ url: `/reports/share-image-jobs/${jobId}` })
      .then((job) => {
        if (job.status === 'completed') {
          this.downloadShareImage(jobId)
          return
        }
        if (job.status === 'failed') {
          this.setData({ shareLoading: false, shareStatusText: '' })
          wx.showToast({ title: job.error_message || '分享图生成失败', icon: 'none' })
          return
        }
        setTimeout(() => this.pollShareImageJob(jobId, count + 1), 2000)
      })
      .catch((error) => {
        this.setData({ shareLoading: false, shareStatusText: '' })
        wx.showToast({ title: error.message || '查询任务失败', icon: 'none' })
      })
  },

  downloadShareImage(jobId) {
    wx.downloadFile({
      url: `${API_BASE_URL}/reports/share-image-jobs/${jobId}/image`,
      header: authHeader(),
      success: (res) => {
        if (res.statusCode >= 200 && res.statusCode < 300) {
          wx.previewImage({ current: res.tempFilePath, urls: [res.tempFilePath] })
        } else {
          wx.showToast({ title: '分享图下载失败', icon: 'none' })
        }
      },
      fail: () => wx.showToast({ title: '分享图下载失败', icon: 'none' }),
      complete: () => {
        this.setData({ shareLoading: false, shareStatusText: '' })
      }
    })
  },

  onShareAppMessage() {
    return {
      title: '我在赛博先生生成了一份手相报告',
      path: '/pages/index/index'
    }
  }
})