package dev.inmo.postssystem.features.files.server

import dev.inmo.postssystem.features.files.common.*
import dev.inmo.postssystem.features.files.common.storage.*
import dev.inmo.micro_utils.ktor.server.*
import dev.inmo.micro_utils.ktor.server.configurators.ApplicationRoutingConfigurator
import dev.inmo.micro_utils.repos.ktor.server.crud.*
import io.ktor.http.HttpStatusCode
import io.ktor.http.decodeURLQueryComponent
import io.ktor.server.application.call
import io.ktor.server.auth.authenticate
import io.ktor.server.request.receive
import io.ktor.server.response.respond
import io.ktor.server.response.respondBytes
import io.ktor.server.routing.*
import kotlinx.serialization.builtins.nullable

class FilesRoutingConfigurator(
    private val filesStorage: ReadFilesStorage,
    private val writeFilesStorage: WriteFilesStorage?,
) : ApplicationRoutingConfigurator.Element {
    constructor(filesStorage: FilesStorage) : this(filesStorage, filesStorage)

    override fun Route.invoke() {
        authenticate {
            route(filesRootPathPart) {
                configureReadCRUDRepoRoutes(
                    filesStorage,
                    ::FileId
                )
                writeFilesStorage ?.let {
                    configureWriteCRUDRepoRoutes(writeFilesStorage)
                }

                post(filesGetFilesPathPart) {
                    call.respondBytes(
                        filesStorage.getBytes(
                            call.receive()
                        )
                    )
                }
                get(filesGetFullFileInfoPathPart) {
                    call.respond(
                        filesStorage.getFullFileInfo(
                            FileId(call.getParameterOrSendError(filesFileIdParameter) ?.decodeURLQueryComponent() ?: return@get)
                        ) ?: HttpStatusCode.NoContent
                    )
                }
            }
        }
    }
}