// File generated from our OpenAPI spec by Stainless.

package com.openai.services.async

import com.openai.core.ClientOptions
import com.openai.core.RequestOptions
import com.openai.core.handlers.errorHandler
import com.openai.core.handlers.jsonHandler
import com.openai.core.handlers.withErrorHandler
import com.openai.core.http.HttpMethod
import com.openai.core.http.HttpRequest
import com.openai.core.http.HttpResponse.Handler
import com.openai.core.json
import com.openai.core.prepareAsync
import com.openai.errors.OpenAIError
import com.openai.models.ImageGenerateParams
import com.openai.models.ImagesResponse
import java.util.concurrent.CompletableFuture

class ImageServiceAsyncImpl
internal constructor(
    private val clientOptions: ClientOptions,
) : ImageServiceAsync {

    private val errorHandler: Handler<OpenAIError> = errorHandler(clientOptions.jsonMapper)

    private val generateHandler: Handler<ImagesResponse> =
        jsonHandler<ImagesResponse>(clientOptions.jsonMapper).withErrorHandler(errorHandler)

    /** Creates an image given a prompt. */
    override fun generate(
        params: ImageGenerateParams,
        requestOptions: RequestOptions
    ): CompletableFuture<ImagesResponse> {
        val request =
            HttpRequest.builder()
                .method(HttpMethod.POST)
                .addPathSegments("images", "generations")
                .body(json(clientOptions.jsonMapper, params._body()))
                .build()
                .prepareAsync(clientOptions, params, params.model().toString())
        return request
            .thenComposeAsync { clientOptions.httpClient.executeAsync(it, requestOptions) }
            .thenApply { response ->
                response
                    .use { generateHandler.handle(it) }
                    .also {
                        if (requestOptions.responseValidation ?: clientOptions.responseValidation) {
                            it.validate()
                        }
                    }
            }
    }
}
