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/*
 * Copyright (C) 2019 Bell Canada.
 *
 * 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.functions.resource.resolution.db

import org.onap.ccsdk.apps.blueprintsprocessor.functions.resource.resolution.ResourceResolutionConstants
import org.onap.ccsdk.apps.controllerblueprints.core.BluePrintConstants
import org.onap.ccsdk.apps.controllerblueprints.core.BluePrintException
import org.onap.ccsdk.apps.controllerblueprints.core.service.BluePrintRuntimeService
import org.springframework.dao.DataIntegrityViolationException
import org.springframework.stereotype.Service
import java.util.*

@Service
class ResourceResolutionResultService(private val resourceResolutionRepository: ResourceResolutionRepository) {

    fun write(properties: Map<String, Any>, result: String, bluePrintRuntimeService: BluePrintRuntimeService<*>,
              artifactPrefix: String) {

        val metadata = bluePrintRuntimeService.bluePrintContext().metadata!!

        val resourceResolutionResult = ResourceResolutionResult()
        resourceResolutionResult.id = UUID.randomUUID().toString()
        resourceResolutionResult.artifactName = artifactPrefix
        resourceResolutionResult.blueprintVersion = metadata[BluePrintConstants.METADATA_TEMPLATE_VERSION]
        resourceResolutionResult.blueprintName = metadata[BluePrintConstants.METADATA_TEMPLATE_NAME]
        resourceResolutionResult.resolutionKey =
            properties[ResourceResolutionConstants.RESOURCE_RESOLUTION_INPUT_KEY].toString()
        resourceResolutionResult.result = result

        try {
            resourceResolutionRepository.saveAndFlush(resourceResolutionResult)
        } catch (ex: DataIntegrityViolationException) {
            throw BluePrintException("Failed to store resource resolution result.", ex)
        }
    }

    fun read(bluePrintRuntimeService: BluePrintRuntimeService<*>, artifactPrefix: String,
             resolutionKey: String): String {

        val metadata = bluePrintRuntimeService.bluePrintContext().metadata!!

        val blueprintVersion = metadata[BluePrintConstants.METADATA_TEMPLATE_VERSION]
        val blueprintName = metadata[BluePrintConstants.METADATA_TEMPLATE_NAME]

        return resourceResolutionRepository.findByResolutionKeyAndBlueprintNameAndBlueprintVersionAndArtifactName(
            resolutionKey,
            blueprintName,
            blueprintVersion,
            artifactPrefix).result!!
    }
}