package dev.inmo.postssystem.core.content.api.business

import dev.inmo.micro_utils.pagination.Pagination
import dev.inmo.micro_utils.pagination.PaginationResult
import dev.inmo.micro_utils.repos.*
import dev.inmo.postssystem.core.content.ContentId

typealias AdapterType = String

interface BusinessContentRepoReadHelper : Repo {
    suspend fun getKeysByPagination(pagination: Pagination): PaginationResult<ContentId>
    suspend fun contains(contentId: ContentId): Boolean
    suspend fun getType(contentId: ContentId): AdapterType?
    suspend fun count(): Long
}
interface BusinessContentRepoWriteHelper : Repo {
    suspend fun deleteContentId(contentId: ContentId)
    suspend fun saveType(contentId: ContentId, type: AdapterType): Boolean
}
interface BusinessContentRepoHelper : BusinessContentRepoReadHelper, BusinessContentRepoWriteHelper

class KeyValueBusinessContentRepoReadHelper(
    private val keyValueRepo: ReadStandardKeyValueRepo<ContentId, AdapterType>
) : BusinessContentRepoReadHelper {
    override suspend fun getKeysByPagination(pagination: Pagination): PaginationResult<ContentId> = keyValueRepo.keys(pagination)
    override suspend fun contains(contentId: ContentId): Boolean = keyValueRepo.contains(contentId)
    override suspend fun getType(contentId: ContentId): AdapterType? = keyValueRepo.get(contentId)
    override suspend fun count(): Long = keyValueRepo.count()
}

class KeyValueBusinessContentRepoWriteHelper(
    private val keyValueRepo: WriteStandardKeyValueRepo<ContentId, AdapterType>
) : BusinessContentRepoWriteHelper {
    override suspend fun deleteContentId(contentId: ContentId) { keyValueRepo.unset(contentId) }

    override suspend fun saveType(contentId: ContentId, type: AdapterType): Boolean {
        keyValueRepo.set(contentId, type)
        return true
    }
}

class KeyValueBusinessContentRepoHelper(
    private val keyValueRepo: StandardKeyValueRepo<ContentId, AdapterType>
) : BusinessContentRepoHelper, BusinessContentRepoReadHelper by KeyValueBusinessContentRepoReadHelper(
    keyValueRepo
), BusinessContentRepoWriteHelper by KeyValueBusinessContentRepoWriteHelper(
    keyValueRepo
)

fun StandardKeyValueRepo<ContentId, AdapterType>.asBusinessContentRepo(
    adapters: List<BusinessContentRepoContentAdapter>
) = BusinessContentRepo(
    adapters,
    KeyValueBusinessContentRepoHelper(this)
)

fun StandardKeyValueRepo<ContentId, AdapterType>.asBusinessContentRepo(
    vararg adapters: BusinessContentRepoContentAdapter
) = asBusinessContentRepo(adapters.toList())