import { BookingDetail, Day, Slot } from './types.uts'

export function formatDateText(date: string): string {
  if (date.length == 0) return ''
  const parts = date.split('-')
  if (parts.length < 3) return date
  return parseInt(parts[1]).toString() + '月' + parseInt(parts[2]).toString() + '日'
}

export function maskPhone(phone: string): string {
  if (phone.length < 7) return phone
  return phone.slice(0, 3) + ' **** ' + phone.slice(phone.length - 4)
}

export function pad(value: number): string {
  if (value < 10) return '0' + value.toString()
  return value.toString()
}

export function formatMonth(date: Date): string {
  return date.getFullYear().toString() + '-' + pad(date.getMonth() + 1)
}

export function formatDate(date: Date): string {
  return date.getFullYear().toString() + '-' + pad(date.getMonth() + 1) + '-' + pad(date.getDate())
}

export function timestampFromDate(dateText: string): number {
  if (dateText.length == 0) return 0
  const parts = dateText.split('-')
  if (parts.length < 3) return 0
  return new Date(parseInt(parts[0]), parseInt(parts[1]) - 1, parseInt(parts[2])).getTime()
}

export function normalizeSlots(slots: Slot[]): Slot[] {
  const result: Slot[] = []
  for (let i = 0; i < slots.length; i += 1) {
    const slot = slots[i]
    result.push({
      id: slot.id,
      start_time: slot.start_time,
      status: 'available',
      statusText: '可约'
    } as Slot)
  }
  return result
}

export function bookingStatusText(status: string): string {
  if (status == 'pending') return '待确认'
  if (status == 'confirmed') return '已预约'
  if (status == 'cancelled_by_user') return '已取消'
  if (status == 'cancelled_by_operator') return '已取消'
  if (status == 'completed') return '已完成'
  if (status == 'expired') return '已失效'
  return status
}

export function normalizeBookings(bookings: BookingDetail[]): BookingDetail[] {
  const result: BookingDetail[] = []
  for (let i = 0; i < bookings.length; i += 1) {
    const item = bookings[i]
    const status = item.booking.status
    result.push({
      booking: item.booking,
      project: item.project,
      day: item.day,
      slot: item.slot,
      key: item.booking.id,
      dateText: formatDateText(item.day.date),
      statusText: bookingStatusText(status),
      canCancel: status == 'pending' || status == 'confirmed'
    } as BookingDetail)
  }
  return result
}

export function emptyDay(): Day {
  return { date: '', status: '', slots: [] } as Day
}

export function emptySlot(): Slot {
  return { id: '', start_time: '', status: '' } as Slot
}