import dayjs from "dayjs"
import { z } from "zod"

import { unauthorizedError } from "../../../errors"
import { safeProtectedServiceProcedure } from "../../../procedures"
import { isValidSession } from "../../../utils/session"
import { getHotelsAvailabilityByHotelIds } from "../services/getHotelsAvailabilityByHotelIds"

export type HotelsByHotelIdsAvailabilityInputSchema = z.output<
  typeof getHotelsByHotelIdsAvailabilityInputSchema
>
export const getHotelsByHotelIdsAvailabilityInputSchema = z
  .object({
    hotelIds: z.array(z.number()),
    roomStayStartDate: z.string().refine(
      (val) => {
        const fromDate = dayjs(val)
        return fromDate.isValid()
      },
      {
        message: "FROMDATE_INVALID",
      }
    ),
    roomStayEndDate: z.string().refine(
      (val) => {
        const toDate = dayjs(val)

        return toDate.isValid()
      },
      {
        message: "TODATE_INVALID",
      }
    ),
    adults: z.number(),
    children: z.string().optional(),
    bookingCode: z.string().optional().default(""),
    redemption: z.boolean().optional().default(false),
  })
  .refine(
    (data) => {
      const fromDate = dayjs(data.roomStayStartDate).startOf("day")
      const toDate = dayjs(data.roomStayEndDate).startOf("day")

      return fromDate.isBefore(toDate)
    },
    {
      message: "FROMDATE_BEFORE_TODATE",
    }
  )
  .refine(
    (data) => {
      const fromDate = dayjs(data.roomStayStartDate)
      const today = dayjs().startOf("day")

      return fromDate.isSameOrAfter(today)
    },
    {
      message: "FROMDATE_CANNOT_BE_IN_THE_PAST",
    }
  )
type Context = {
  userToken: string | null
  userPoints?: number
}

export const hotelsByHotelIds = safeProtectedServiceProcedure
  .input(getHotelsByHotelIdsAvailabilityInputSchema)
  .use(async ({ ctx, input, next }) => {
    const userToken = await ctx.getScandicUserToken()

    if (input.redemption) {
      const hasValidSession = isValidSession(ctx.session)
      if (!hasValidSession) {
        throw unauthorizedError()
      }

      const pointsValue = await ctx.getUserPointsBalance()
      if (pointsValue && userToken) {
        return next<Context>({
          ctx: {
            userToken,
            userPoints: pointsValue,
          },
        })
      }
    }

    return next<Context>({
      ctx: {
        userToken,
      },
    })
  })
  .query(async ({ input, ctx }) => {
    return getHotelsAvailabilityByHotelIds({
      input,
      lang: ctx.lang,
      userToken: ctx.userToken,
      serviceToken: ctx.serviceToken,
      userPoints: ctx.userPoints,
    })
  })