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 { getBookingStatusInput } from "./input"
import { createBookingSchema } from "./output"

const meter = metrics.getMeter("trpc.booking")
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({
  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
  }),
})