const { request, ensureLogin, cents } = require('../../utils/api.js')

Page({
  data: {
    loading: false,
    errorMessage: '',
    orders: [],
    page: 1,
    pageSize: 20,
    total: 0,
  },

  onShow() {
    this.loadOrders()
  },

  async loadOrders() {
    this.setData({ loading: true, errorMessage: '' })
    try {
      await ensureLogin()
      const response = await request(`/orders?page=${this.data.page}&pageSize=${this.data.pageSize}`)
      this.setData({
        orders: (response.data.items || []).map(formatOrder),
        total: response.data.total || 0,
      })
    } catch (error) {
      this.setData({ errorMessage: error.message || '订单加载失败' })
    } finally {
      this.setData({ loading: false })
    }
  },

  openOrder(event) {
    const orderId = event.currentTarget.dataset.orderId
    if (!orderId) return
    wx.navigateTo({ url: `/pages/orders/detail?orderId=${encodeURIComponent(orderId)}` })
  },
})

function formatOrder(order) {
  return {
    ...order,
    totalText: cents(order.totalAmountCents),
    paidText: cents(order.paidAmountCents),
    timeText: `${formatTime(order.startAt)} 至 ${formatTime(order.endAt)}`,
  }
}

function formatTime(value) {
  const date = new Date(value)
  const pad = (input) => String(input).padStart(2, '0')
  return `${pad(date.getMonth() + 1)}-${pad(date.getDate())} ${pad(date.getHours())}:${pad(date.getMinutes())}`
}