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/*
 * Copyright © 2017-2018 AT&T Intellectual Property.
 * Modifications Copyright © 2019 IBM.
 * Modifications Copyright © 2020 Orange.
 * Modifications Copyright © 2020 Deutsche Telekom AG.
 *
 * 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.cds.blueprintsprocessor.functions.k8s.definition

import org.apache.commons.io.IOUtils
import org.apache.http.client.ClientProtocolException
import org.apache.http.client.entity.EntityBuilder
import org.apache.http.client.methods.HttpPost
import org.apache.http.client.methods.HttpUriRequest
import org.apache.http.message.BasicHeader
import org.onap.ccsdk.cds.blueprintsprocessor.functions.k8s.K8sConnectionPluginConfiguration
import org.onap.ccsdk.cds.blueprintsprocessor.rest.service.BlueprintWebClientService
import org.onap.ccsdk.cds.blueprintsprocessor.rest.service.RestLoggerService
import java.io.IOException
import java.nio.charset.Charset
import java.nio.file.Files
import java.nio.file.Path

class K8sUploadFileRestClientService(
    k8sConfiguration: K8sConnectionPluginConfiguration,
    definition: String,
    definitionVersion: String
) : K8sDefinitionRestClient(k8sConfiguration, definition, definitionVersion) {

    @Throws(IOException::class, ClientProtocolException::class)
    private fun performHttpCall(httpUriRequest: HttpUriRequest): BlueprintWebClientService.WebClientResponse<String> {
        val httpResponse = httpClient().execute(httpUriRequest)
        val statusCode = httpResponse.statusLine.statusCode
        httpResponse.entity.content.use {
            val body = IOUtils.toString(it, Charset.defaultCharset())
            return BlueprintWebClientService.WebClientResponse(statusCode, body)
        }
    }

    fun uploadBinaryFile(path: String, filePath: Path): BlueprintWebClientService.WebClientResponse<String> {
        val convertedHeaders: Array<BasicHeader> = convertToBasicHeaders(defaultHeaders())
        val httpPost = HttpPost(host(path))
        val entity = EntityBuilder.create().setBinary(Files.readAllBytes(filePath)).build()
        httpPost.setEntity(entity)
        RestLoggerService.httpInvoking(convertedHeaders)
        httpPost.setHeaders(convertedHeaders)
        return performHttpCall(httpPost)
    }
}