package wow.doge.chatto.service

import sttp.client.json4s._
import org.json4s._
import sttp.client._
import javax.inject.Inject
import wow.doge.chatto.types.AppTypes.HttpBackend
import com.typesafe.scalalogging.LazyLogging
import wow.doge.chatto.UserCredentials
import javax.inject._
import wow.doge.chatto.AppDataHandler
import org.json4s.ext.JavaTimeSerializers
import java.time.ZonedDateTime
import wow.doge.chatto.model.MessageCipher
import wow.doge.chatto.controller.EncryptedMessage
import cats.implicits._

class UserService @Inject() (
    appDataHandler: AppDataHandler,
    encryptionService: EncryptionService
)(
    implicit backend: HttpBackend
) extends LazyLogging {
  private implicit lazy val serialization = org.json4s.jackson.Serialization
  private implicit lazy val formats =
    DefaultFormats ++ JavaTimeSerializers.all + MessageCipher.rename
  private val domain = "http://localhost:8080"
  private lazy val baseUrl = uri"$domain/api/chat"
  private lazy val tokenBasicRequest = (token: String) => {
    basicRequest.header("X-AUTH-TOKEN", token)
  }

  private def endpoint(uri: String) = uri"$baseUrl/$uri"

  def getUsers(credentials: UserCredentials) =
    tokenBasicRequest(credentials.token)
      .get(uri"http://localhost:8080/api/chat/get/users")
      .response(asJson[List[String]])
      .send()

  def getEncryptedMessages(credentials: UserCredentials, user: String) =
    Request
      .messagesPaginated(credentials, user)
      .send()

  def getMessages(credentials: UserCredentials, user: String) =
    Request
      .messagesPaginated(credentials, user)
      .mapResponseRight(
        _.map(_.toMessage("password", encryptionService.decrypt)).sequence
      )
      .send()

  def getActiveUsers(credentials: UserCredentials) =
    tokenBasicRequest(credentials.token)
      .get(uri"http://localhost:8080/api/chat/get/active-users")
      .response(asJson[List[ActiveUser]])
      .send()

  object Request {
    lazy val messagesPaginated = (credentials: UserCredentials, user: String) =>
      tokenBasicRequest(credentials.token)
        .get(
          uri"http://localhost:8080/api/chat/get/messages/$user?page=0&size=9"
        )
        .response(asJson[List[EncryptedMessage]])
  }

}

final case class HttpBinResponse(
    url: String,
    origin: String,
    headers: Map[String, String]
)

final case class ActiveUser(
    userName: String,
    online: Boolean,
    lastActive: Option[ZonedDateTime]
)

object ActiveUser {
  def empty = ActiveUser("empty", false, None)
}