import { metrics } from "@opentelemetry/api"

import * as api from "@/lib/api"
import { badRequestError, serverErrorByStatus } from "@/server/errors/trpc"
import { router, serviceProcedure } from "@/server/trpc"

import { bookingConfirmationInput, getBookingStatusInput } from "./input"
import { bookingConfirmationSchema, createBookingSchema } from "./output"

const meter = metrics.getMeter("trpc.booking")
const getBookingConfirmationCounter = meter.createCounter(
  "trpc.booking.confirmation"
)
const getBookingConfirmationSuccessCounter = meter.createCounter(
  "trpc.booking.confirmation-success"
)
const getBookingConfirmationFailCounter = meter.createCounter(
  "trpc.booking.confirmation-fail"
)

const getBookingStatusCounter = meter.createCounter("trpc.booking.status")
const getBookingStatusSuccessCounter = meter.createCounter(
  "trpc.booking.status-success"
)
const getBookingStatusFailCounter = meter.createCounter(
  "trpc.booking.status-fail"
)

export const bookingQueryRouter = router({
  confirmation: serviceProcedure
    .input(bookingConfirmationInput)
    .query(async function ({ ctx, input: { confirmationNumber } }) {
      getBookingConfirmationCounter.add(1, { confirmationNumber })

      const apiResponse = await api.get(
        `${api.endpoints.v1.booking}/${confirmationNumber}`,
        {
          headers: {
            Authorization: `Bearer ${ctx.serviceToken}`,
          },
        }
      )

      if (!apiResponse.ok) {
        const responseMessage = await apiResponse.text()
        getBookingConfirmationFailCounter.add(1, {
          confirmationNumber,
          error_type: "http_error",
          error: responseMessage,
        })
        console.error(
          "api.booking.confirmation error",
          JSON.stringify({
            query: { confirmationNumber },
            error: {
              status: apiResponse.status,
              statusText: apiResponse.statusText,
              text: responseMessage,
            },
          })
        )

        throw serverErrorByStatus(apiResponse.status, apiResponse)
      }

      const apiJson = await apiResponse.json()
      const booking = bookingConfirmationSchema.safeParse(apiJson)
      if (!booking.success) {
        getBookingConfirmationFailCounter.add(1, {
          confirmationNumber,
          error_type: "validation_error",
          error: JSON.stringify(booking.error),
        })
        console.error(
          "api.booking.confirmation validation error",
          JSON.stringify({
            query: { confirmationNumber },
            error: booking.error,
          })
        )
        throw badRequestError()
      }

      getBookingConfirmationSuccessCounter.add(1, { confirmationNumber })
      console.info(
        "api.booking.confirmation success",
        JSON.stringify({
          query: { confirmationNumber },
        })
      )

      return {
        ...booking.data,
        temp: {
          breakfastFrom: "06:30",
          breakfastTo: "11:00",
          cancelPolicy: "Free rebooking",
          fromDate: "2024-10-21 14:00",
          packages: [
            {
              name: "Breakfast buffet",
              price: "150 SEK",
            },
            {
              name: "Member discount",
              price: "-297 SEK",
            },
            {
              name: "Points used / remaining",
              price: "0 / 1044",
            },
          ],
          payment: "2024-08-09 1:47",
          room: {
            price: "2 589 SEK",
            type: "Cozy Cabin",
            vat: "684,79 SEK",
          },
          toDate: "2024-10-22 11:00",
          total: "2 739 SEK",
          totalInEuro: "265 EUR",
        },
        guest: {
          email: "sarah.obrian@gmail.com",
          firstName: "Sarah",
          lastName: "O'Brian",
          memberbershipNumber: "19822",
          phoneNumber: "+46702446688",
        },
        hotel: {
          email: "bookings@scandichotels.com",
          name: "Downtown Camper by Scandic",
          phoneNumber: "+4689001350",
        },
      }
    }),
  status: serviceProcedure.input(getBookingStatusInput).query(async function ({
    ctx,
    input,
  }) {
    const { confirmationNumber } = input
    getBookingStatusCounter.add(1, { confirmationNumber })

    const apiResponse = await api.get(
      `${api.endpoints.v1.booking}/${confirmationNumber}/status`,
      {
        headers: {
          Authorization: `Bearer ${ctx.serviceToken}`,
        },
      }
    )

    if (!apiResponse.ok) {
      const responseMessage = await apiResponse.text()
      getBookingStatusFailCounter.add(1, {
        confirmationNumber,
        error_type: "http_error",
        error: responseMessage,
      })
      console.error(
        "api.booking.status error",
        JSON.stringify({
          query: { confirmationNumber },
          error: {
            status: apiResponse.status,
            statusText: apiResponse.statusText,
            text: responseMessage,
          },
        })
      )

      throw serverErrorByStatus(apiResponse.status, apiResponse)
    }

    const apiJson = await apiResponse.json()
    const verifiedData = createBookingSchema.safeParse(apiJson)
    if (!verifiedData.success) {
      getBookingStatusFailCounter.add(1, {
        confirmationNumber,
        error_type: "validation_error",
        error: JSON.stringify(verifiedData.error),
      })
      console.error(
        "api.booking.status validation error",
        JSON.stringify({
          query: { confirmationNumber },
          error: verifiedData.error,
        })
      )
      throw badRequestError()
    }

    getBookingStatusSuccessCounter.add(1, { confirmationNumber })
    console.info(
      "api.booking.status success",
      JSON.stringify({
        query: { confirmationNumber },
      })
    )

    return verifiedData.data
  }),
})