/*
 * Copyright © 2017-2018 AT&T Intellectual Property.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.onap.ccsdk.apps.blueprintsprocessor.selfservice.api

import org.onap.ccsdk.apps.blueprintsprocessor.core.api.data.ExecutionServiceInput
import org.onap.ccsdk.apps.blueprintsprocessor.core.api.data.ExecutionServiceOutput
import org.onap.ccsdk.apps.blueprintsprocessor.core.interfaces.BluePrintCatalogService
import org.onap.ccsdk.apps.blueprintsprocessor.services.workflow.BlueprintDGExecutionService
import org.onap.ccsdk.apps.controllerblueprints.core.utils.BluePrintMetadataUtils
import org.slf4j.LoggerFactory
import org.springframework.stereotype.Service

@Service
class ExecutionServiceHandler(private val bluePrintCatalogService: BluePrintCatalogService,
                              private val blueprintDGExecutionService: BlueprintDGExecutionService) {

    private val log = LoggerFactory.getLogger(ExecutionServiceHandler::class.toString())

    fun process(executionServiceInput: ExecutionServiceInput): ExecutionServiceOutput {

        val requestId = executionServiceInput.commonHeader.requestId
        log.info("processing request id $requestId")

        val actionIdentifiers = executionServiceInput.actionIdentifiers

        val blueprintName = actionIdentifiers.blueprintName
        val blueprintVersion = actionIdentifiers.blueprintVersion

        val basePath = bluePrintCatalogService.prepareBluePrint(blueprintName, blueprintVersion)
        log.info("blueprint base path $basePath")

        val blueprintRuntimeService = BluePrintMetadataUtils.getBluePrintRuntime(requestId, basePath)

        return blueprintDGExecutionService.executeDirectedGraph(blueprintRuntimeService, executionServiceInput)
    }


}