pipeline {
    agent any
    
    parameters {
        buildSelector(
              defaultSelector: lastSuccessful(),
              description: 'Which build to use for copying artifacts',
              name: 'BUILD_SELECTOR')
    }

    stages {
        stage('Checkout') {
            steps {
                git branch: 'main', url: 'https://git.wmi.amu.edu.pl/s495715/iumKC.git'
            }
        }

        stage('Copy Artifacts') {
            steps {
                script {
                    copyArtifacts fingerprintArtifacts: true, projectName: 'z-s495715-create-dataset', selector: buildParameter('BUILD_SELECTOR')
                }
            }
        }

        stage('Execute Script') {
            steps {
                sh 'chmod +x calculate_stats.sh && ./calculate_stats.sh'
            }
        }

        stage('Archive Results') {
            steps {
                archiveArtifacts artifacts: 'stats.txt', onlyIfSuccessful: true
            }
        }
    }
}