import * as api from "@/lib/api"
import {
  badRequestError,
  forbiddenError,
  internalServerError,
  unauthorizedError,
} from "@/server/errors/trpc"
import { protectedProcedure, router } from "@/server/trpc"

import { staysInput } from "./input"
import { getStaysSchema, getUserSchema } from "./output"
import { benefits, extendedUser, nextLevelPerks } from "./temp"

function fakingRequest<T>(payload: T): Promise<T> {
  return new Promise((resolve) => {
    setTimeout(() => {
      resolve(payload)
    }, 1500)
  })
}

export const userQueryRouter = router({
  get: protectedProcedure.query(async function ({ ctx }) {
    try {
      const apiResponse = await api.get(api.endpoints.v0.profile, {
        headers: {
          Authorization: `Bearer ${ctx.session.token.access_token}`,
        },
      })
      if (!apiResponse.ok) {
        switch (apiResponse.status) {
          case 400:
            throw badRequestError()
          case 401:
            throw unauthorizedError()
          case 403:
            throw forbiddenError()
          default:
            throw internalServerError()
        }
      }

      const apiJson = await apiResponse.json()

      if (!apiJson.data?.length) {
        throw internalServerError()
      }

      const verifiedData = getUserSchema.safeParse(apiJson.data[0].attributes)
      if (!verifiedData.success) {
        console.info(`Get User - Verified Data Error`)
        console.error(verifiedData.error)
        throw badRequestError()
      }

      return {
        ...extendedUser,
        ...verifiedData.data,
        firstName: verifiedData.data.name,
        name: `${verifiedData.data.name} ${verifiedData.data.lastName}`,
      }
    } catch (error) {
      console.info(`Get User Error`)
      console.error(error)
      throw internalServerError()
    }
  }),
  benefits: router({
    current: protectedProcedure.query(async function (opts) {
      // TODO: Make request to get user data from Scandic API
      return await fakingRequest<typeof benefits>(benefits)
    }),
    nextLevel: protectedProcedure.query(async function (opts) {
      // TODO: Make request to get user data from Scandic API
      return await fakingRequest<typeof nextLevelPerks>(nextLevelPerks)
    }),
  }),

  stays: router({
    previous: protectedProcedure.input(staysInput).query(async (opts) => {
      try {
        const { limit, cursor } = opts.input

        const params = new URLSearchParams()
        params.set("limit", limit.toString())

        if (cursor) {
          params.set("offset", cursor.toString())
        }

        const apiResponse = await api.get(
          api.endpoints.v1.previousStays,
          {
            headers: {
              Authorization: `Bearer ${opts.ctx.session.token.access_token}`,
            },
          },
          params
        )

        if (!apiResponse.ok) {
          switch (apiResponse.status) {
            case 400:
              throw badRequestError()
            case 401:
              throw unauthorizedError()
            case 403:
              throw forbiddenError()
            default:
              throw internalServerError()
          }
        }

        const apiJson = await apiResponse.json()
        if (!apiJson.data) {
          console.error(`Get Previous Stays - No data found from api call`)
          throw internalServerError()
        }

        const verifiedData = getStaysSchema.safeParse(apiJson)

        if (!verifiedData.success) {
          console.info(`Get Previous Stays - Verified Data Error`)
          console.error(verifiedData.error)
          throw badRequestError()
        }

        const nextCursor =
          verifiedData.data.links &&
          verifiedData.data.links.offset < verifiedData.data.links.totalCount
            ? verifiedData.data.links.offset
            : undefined

        return {
          data: verifiedData.data.data,
          nextCursor,
        }
      } catch (error) {
        console.info(`Get Previous Stays Error`)
        console.error(error)
        throw internalServerError()
      }
    }),

    upcoming: protectedProcedure.input(staysInput).query(async (opts) => {
      try {
        const { limit, cursor } = opts.input

        const params = new URLSearchParams()
        params.set("limit", limit.toString())

        if (cursor) {
          params.set("offset", cursor.toString())
        }

        const apiResponse = await api.get(
          api.endpoints.v1.upcomingStays,
          {
            headers: {
              Authorization: `Bearer ${opts.ctx.session.token.access_token}`,
            },
          },
          params
        )

        if (!apiResponse.ok) {
          switch (apiResponse.status) {
            case 400:
              throw badRequestError()
            case 401:
              throw unauthorizedError()
            case 403:
              throw forbiddenError()
            default:
              throw internalServerError()
          }
        }

        const apiJson = await apiResponse.json()
        if (!apiJson.data) {
          console.error(`Get Upcoming Stays - No data found from api call`)
          throw internalServerError()
        }

        const verifiedData = getStaysSchema.safeParse(apiJson)

        if (!verifiedData.success) {
          console.info(`Get Upcoming Stays - Verified Data Error`)
          console.error(verifiedData.error)
          throw badRequestError()
        }

        const nextCursor =
          verifiedData.data.links &&
          verifiedData.data.links.offset < verifiedData.data.links.totalCount
            ? verifiedData.data.links.offset
            : undefined

        return {
          data: verifiedData.data.data,
          nextCursor,
        }
      } catch (error) {
        console.info(`Get Upcoming Stays Error`)
        console.error(error)
        throw internalServerError()
      }
    }),
  }),
})