pipeline {
   agent any
   //Definijuemy parametry, ktore bedzie mozna podac podczas wywolywania zadania
   parameters {
     buildSelector (
         name: 'BUILD_SELECTOR',
         defaultSelector: lastSuccessful(),
         description: 'Which build to use for copying artifacts?',       
        )
   }
   stages {
    stage('Load Artifact') {
            steps {
                script {
                copyArtifacts fingerprintArtifacts: true, projectName: 's452627-create-dataset', selector: buildParameter("BUILD_SELECTOR")
                def previousFile = readFile(file: "output.txt")
                echo("The previous build artifact was: ${previousFile}")
                }
            }
    }
      stage('Run Script') {
            steps {
               script {
                sh "chmod +x -R ${env.WORKSPACE}"             
                sh './make_statistic.sh | tee output_statistic.txt'
               }
            }
        
    }
      stage('Archive Output') {
         steps {
            archiveArtifacts 'output_statistic.txt'
         }
      }
   }
}