pipeline {
    agent { 
        dockerfile true
    }
    parameters{
        string(
            defaultValue: 's444417', 
            description: 'JENKINS username', 
            name: 'JENKINS_USERNAME'
        )
        password(
            defaultValue: '',
            description: 'JENKINS password',
            name: 'JENKINS_KEY'
        )
    }
    stages {
        stage('Copy prev build artifact') {
            steps {
                script {
                    if (currentBuild.previousBuild) {
                        try {
                            copyArtifacts(projectName: currentBuild.projectName,
                                          selector: specific("${currentBuild.previousBuild.number}"))
                            def previousFile = readFile(file: "trainResults.csv")
                            echo("The current build is ${currentBuild.number}")
                            echo("The previous build artifact was: ${previousFile}")
                        } catch(err) {
                            // ignore error
                        }
                    }
                }
            }
        }
        stage('Copy') {
            steps {
                copyArtifacts projectName: 's444417-training/master'
                sh 'python3 ./src/evalScript.py'
                archiveArtifacts 'trainResults.csv'
                sh "ls -la"
            }
        }
    }
    post {
        always {
            emailext body: "${currentBuild.currentResult}", subject: 's444417-evaluation build status', to: 'e19191c5.uam.onmicrosoft.com@emea.teams.ms'
        }
    }
}