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package com.supertokens.sdk.recipes.thirdparty.usecases

import com.supertokens.sdk.common.Routes
import com.supertokens.sdk.common.SuperTokensStatus
import com.supertokens.sdk.common.SuperTokensStatusException
import com.supertokens.sdk.common.requests.ThirdPartySignInUpRequestDTO
import com.supertokens.sdk.common.responses.SignInUpResponseDTO
import com.supertokens.sdk.common.responses.ThirdPartyTokensDTO
import com.supertokens.sdk.common.toStatus
import com.supertokens.sdk.models.SignInData
import com.supertokens.sdk.recipes.core.respositories.UserRepository
import io.ktor.client.HttpClient
import io.ktor.client.call.body
import io.ktor.client.request.post
import io.ktor.client.request.setBody
import io.ktor.http.appendEncodedPathSegments

internal class ThirdPartyTokenSignInUseCase(
    private val client: HttpClient,
    private val tenantId: String?,
    private val userRepository: UserRepository,
) {

  suspend fun signIn(
      providerId: String,
      accessToken: String,
      idToken: String?,
      clientType: String? = null,
  ): SignInData {
    val response =
        client.post {
          url {
            appendEncodedPathSegments(
                listOfNotNull(
                    tenantId,
                    Routes.ThirdParty.SIGN_IN_UP,
                ),
            )
          }
          setBody(
              ThirdPartySignInUpRequestDTO(
                  oAuthTokens =
                      ThirdPartyTokensDTO(
                          accessToken = accessToken,
                          idToken = idToken,
                      ),
                  thirdPartyId = providerId,
                  clientType = clientType,
              ),
          )
        }

    val body = response.body()

    return when (val status = body.status.toStatus()) {
      SuperTokensStatus.OK -> {
        SignInData(
                user = checkNotNull(body.user),
                createdNewUser = checkNotNull(body.createdNewUser),
            )
            .also { userRepository.updateUser(it.user) }
      }

      else -> throw SuperTokensStatusException(status)
    }
  }
}