/**
 * Docker image build pipeline
 * IMAGE_NAME - Image name
 * IMAGE_GIT_URL - Image git repo URL
 * IMAGE_BRANCH - Image repo branch
 * IMAGE_CREDENTIALS_ID - Image repo credentials id
 * IMAGE_TAGS - Image tags
 * DOCKERFILE_PATH - Relative path to docker file in image repo
 * REGISTRY_URL - Docker registry URL (can be empty)
 * ARTIFACTORY_URL - URL to artifactory
 * ARTIFACTORY_NAMESPACE - Artifactory namespace (oss, cicd,...)
 * UPLOAD_TO_DOCKER_HUB    - True\False
 * REGISTRY_CREDENTIALS_ID - Docker hub credentials id
 *
 **/

def common = new com.mirantis.mk.Common()
def gerrit = new com.mirantis.mk.Gerrit()
def git = new com.mirantis.mk.Git()
def dockerLib = new com.mirantis.mk.Docker()
def artifactory = new com.mirantis.mcp.MCPArtifactory()

slaveNode = env.SLAVE_NODE ?: 'docker'
uploadToDockerHub = env.UPLOAD_TO_DOCKER_HUB ?: false

timeout(time: 12, unit: 'HOURS') {
    node(slaveNode) {
        def workspace = common.getWorkspace()
        def imageTagsList = env.IMAGE_TAGS.tokenize(" ")
        try {

            def buildArgs = []
            try {
                buildArgs = IMAGE_BUILD_PARAMS.tokenize(' ')
            } catch (Throwable e) {
                buildArgs = []
            }
            def dockerApp
            stage("checkout") {
                git.checkoutGitRepository('.', IMAGE_GIT_URL, IMAGE_BRANCH, IMAGE_CREDENTIALS_ID)
            }

            if (IMAGE_BRANCH == "master") {
                try {
                    def tag = sh(script: "git describe --tags --abbrev=0", returnStdout: true).trim()
                    def revision = sh(script: "git describe --tags --abbrev=4 | grep -oP \"^${tag}-\\K.*\" | awk -F\\- '{print \$1}'", returnStdout: true).trim()
                    imageTagsList << tag
                    revision = revision ? revision : "0"
                    if (Integer.valueOf(revision) > 0) {
                        imageTagsList << "${tag}-${revision}"
                    }
                    if (!imageTagsList.contains("latest")) {
                        imageTagsList << "latest"
                    }
                } catch (Exception e) {
                    common.infoMsg("Impossible to find any tag")
                }
            }

            stage("build") {
                common.infoMsg("Building docker image ${IMAGE_NAME}")
                dockerApp = dockerLib.buildDockerImage(IMAGE_NAME, "", "${workspace}/${DOCKERFILE_PATH}", imageTagsList[0], buildArgs)
                if (!dockerApp) {
                    throw new Exception("Docker build image failed")
                }
            }
            stage("upload to docker hub") {
                if (uploadToDockerHub) {
                    docker.withRegistry(REGISTRY_URL, REGISTRY_CREDENTIALS_ID) {
                        for (int i = 0; i < imageTagsList.size(); i++) {
                            common.infoMsg("Uploading image ${IMAGE_NAME} with tag ${imageTagsList[i]} to dockerhub")
                            dockerApp.push(imageTagsList[i])
                        }
                    }
                } else {
                    common.infoMsg('upload to docker hub skipped')
                }
            }
            stage("upload to artifactory") {
                if (common.validInputParam("ARTIFACTORY_URL") && common.validInputParam("ARTIFACTORY_NAMESPACE")) {
                    def artifactoryName = "mcp-ci";
                    def artifactoryServer = Artifactory.server(artifactoryName)
                    def shortImageName = IMAGE_NAME
                    if (IMAGE_NAME.contains("/")) {
                        shortImageName = IMAGE_NAME.tokenize("/")[1]
                    }
                    for (imageTag in imageTagsList) {
                        sh "docker tag ${IMAGE_NAME}:${imageTagsList[0]} ${ARTIFACTORY_URL}/mirantis/${ARTIFACTORY_NAMESPACE}/${shortImageName}:${imageTag}"
                        for (artifactoryRepo in ["docker-dev-local", "docker-prod-local"]) {
                            common.infoMsg("Uploading image ${IMAGE_NAME} with tag ${imageTag} to artifactory ${artifactoryName} using repo ${artifactoryRepo}")
                            artifactory.uploadImageToArtifactory(artifactoryServer, ARTIFACTORY_URL,
                                "mirantis/${ARTIFACTORY_NAMESPACE}/${shortImageName}",
                                imageTag, artifactoryRepo)
                        }
                    }
                } else {
                    common.warningMsg("ARTIFACTORY_URL not given, upload to artifactory skipped")
                }
            }
        } catch (Throwable e) {
            // If there was an error or exception thrown, the build failed
            currentBuild.result = "FAILURE"
            currentBuild.description = currentBuild.description ? e.message + " " + currentBuild.description : e.message
            throw e
        } finally {
            common.sendNotification(currentBuild.result, "", ["slack"])
        }
    }
}