core/core/ktor/server/src/jvmMain/kotlin/dev/inmo/postssystem/core/ktor/server/post/ReadPostsRepoRoutingConfigurator.kt

package dev.inmo.postssystem.core.ktor.server.post

import dev.inmo.postssystem.core.MAX_DATE
import dev.inmo.postssystem.core.MIN_DATE
import dev.inmo.postssystem.core.content.ContentId
import dev.inmo.postssystem.core.ktor.*
import dev.inmo.postssystem.core.post.PostId
import dev.inmo.postssystem.core.post.RegisteredPost
import dev.inmo.postssystem.core.post.repo.ReadPostsRepo
import dev.inmo.micro_utils.ktor.server.*
import dev.inmo.micro_utils.ktor.server.configurators.ApplicationRoutingConfigurator
import dev.inmo.micro_utils.pagination.extractPagination
import io.ktor.application.call
import io.ktor.routing.Route
import io.ktor.routing.get
import kotlinx.serialization.builtins.nullable

fun Route.configureReadPostsRepoRoutes(
    proxyTo: ReadPostsRepo
) {
    get(getPostsIdsRoute) {
        call.unianswer(
            postIdsSerializer,
            proxyTo.getPostsIds()
        )
    }
    get("$getPostByIdRoute/{id}") {
        val id: PostId = call.getParameterOrSendError("id") ?: return@get
        call.unianswer(
            RegisteredPost.serializer().nullable,
            proxyTo.getPostById(id)
        )
    }
    get("$getPostsByContentRoute/{id}") {
        val id: ContentId = call.getParameterOrSendError("id") ?: return@get
        call.unianswer(
            registeredPostsListSerializer,
            proxyTo.getPostsByContent(id)
        )
    }
    get(getPostsByCreatingDatesRoute) {
        val fromToDateTime = call.request.queryParameters.extractFromToDateTime
        val pagination = call.request.queryParameters.extractPagination

        call.unianswer(
            registeredPostsPaginationResultSerializer,
            proxyTo.getPostsByCreatingDates(
                fromToDateTime.first ?: MIN_DATE,
                fromToDateTime.second ?: MAX_DATE,
                pagination
            )
        )
    }
    get(getPostsByPaginationRoute) {
        val pagination = call.request.queryParameters.extractPagination

        call.unianswer(
            registeredPostsPaginationResultSerializer,
            proxyTo.getPostsByPagination(pagination)
        )
    }
}

class ReadPostsRepoRoutingConfigurator(
    private val proxyTo: ReadPostsRepo
) : ApplicationRoutingConfigurator.Element {
    override fun Route.invoke() {
        configureReadPostsRepoRoutes(proxyTo)
    }
}