// set the build options according to the Type of build
def (options,maven_local_repo_path,maven_settings_file) = ['','','']
def maven_jdk = 'OpenJDK 8'
def agent_root_folder = '/var/lib/jenkins'

if (params.Type == 'SNAPSHOT-DRY-RUN') {
	echo "Configure Maven for SNAPSHOT-DRY-RUN artifacts"
	options = ''
	maven_local_repo_path = "${agent_root_folder}/local-snapshots"
	maven_settings_file = "${agent_root_folder}/.m2/jenkins-snapshots-dry-run-settings.xml"
}
if (params.Type == 'SNAPSHOT') {
	echo "Configure Maven for SNAPSHOT artifacts"
	options = ''
	maven_local_repo_path = "${agent_root_folder}/local-snapshots"
	maven_settings_file = "${agent_root_folder}/.m2/jenkins-snapshots-settings.xml"
}
if (params.Type == 'RELEASE-DRY-RUN') {
	echo "Configure Maven for RELEASE-DRY-RUN artifacts"
	options = ''
	maven_local_repo_path = "${agent_root_folder}/local-releases"
	maven_settings_file = "${agent_root_folder}/.m2/jenkins-releases-dry-run-settings.xml"
}
if (params.Type == 'RELEASE') {
	echo "Configure Maven for RELEASE artifacts"
	options = ''
	//maven_local_repo_path = "${agent_root_folder}/local-releases"
	//maven_settings_file = "${agent_root_folder}/.m2/jenkins-releases-settings.xml"
	echo "This will fail. RELEASES are currently disabled until further testing."
}
echo "Use settings file at ${maven_settings_file}"
echo "Use local repo at ${maven_local_repo_path}"
echo "Release number: ${params.gCube_release_number}"

pipeline {
   // see https://jenkins.io/doc/book/pipeline/syntax/#agent
   agent {
      label 'pipeline-agent'
   }

   // see https://jenkins.io/doc/book/pipeline/syntax/#environment
   environment {
      JOB_OPTIONS = "${options}"
      MAVEN_LOCAL_REPO = "${maven_local_repo_path}"
      GCUBE_RELEASE_NUMBER = "${params.gCube_release_number}"

   }

   // see https://jenkins.io/doc/book/pipeline/syntax/#parameters
   parameters {
        choice(name: 'Type',
                choices: ['SNAPSHOT-DRY-RUN', 'SNAPSHOT', 'RELEASE-DRY-RUN', 'RELEASE'],
                description: 'The type of artifacts the build is expected to generate')

        string(name: 'gCube_release_number',
                defaultValue: 'invalid',
                description: 'The number of the gCube release to build. Ignored by the SNAPSHOT builds. Sample values: 4.14, 4.15, etc.')
    }

    //see https://jenkins.io/doc/book/pipeline/syntax/#stages
    stages {
        stage('clean up before starting') {
            steps {
                sh '''
                echo "Create a fresh local repository"
                rm -rf $MAVEN_LOCAL_REPO
                mkdir -p $MAVEN_LOCAL_REPO
                echo "Done with local repository"
                '''

            }
        }
    	stage('build core components') {
        	steps {
            	withMaven(jdk: "${maven_jdk}", mavenLocalRepo: "${maven_local_repo_path}", mavenSettingsFilePath: "${maven_settings_file}") {
                    build 'maven-parent'
                    build 'gcube-bom'
                    build 'authorization-common-library'
                    build 'gxRest'
                }
                echo "Done with core components"
            }
        }
    }

	// post-build actions
	post {
		always {
			echo 'This will always run'
		}
		success {
			echo 'This will run only if successful'
		}
		failure {
			echo 'This will run only if failed'
		}
		unstable {
			echo 'This will run only if the run was marked as unstable'
		}
		changed {
			echo 'This will run only if the state of the Pipeline has changed'
			echo 'For example, if the Pipeline was previously failing but is now successful'
		}
	}
   
}