node {
    stage('Preparation') { 
     properties([
         parameters([
             string(
                 defaultValue: 'michal2608',
                 description: 'Kaggle username',
                 name: 'KAGGLE_USERNAME',
                 trim: false
             ),
             password(
                 defaultValue: '',
                 description: 'Kaggle token taken from kaggle.json file, as described in https://github.com/Kaggle/kaggle-api#api-credentials',
                 name: 'KAGGLE_KEY'
             ),
             string(
                 defaultValue: '117926', 
                 description: 'Number of positions to be saved', 
                 name: 'CUTOFF',
                 trim: false)
         ])
     ])
 }
 stage('Build') {
     // Run the maven build
     withEnv(["KAGGLE_USERNAME=${params.KAGGLE_USERNAME}",
              "KAGGLE_KEY=${params.KAGGLE_KEY}" ]) {
         sh 'echo KAGGLE_USERNAME: $KAGGLE_USERNAME'
         sh 'kaggle datasets list'
     }
 }
    stage('Download data') {
        checkout scmGit(branches: [[name: '*/master']], extensions: [], userRemoteConfigs: [[url: 'https://git.wmi.amu.edu.pl/s452662/ium_452662']])
    }
    stage('Cut data') {
        withEnv(["CUTOFF=${params.CUTOFF}"]) {
        sh '''kaggle datasets download -d aleksandrglotov/car-prices-poland
        unzip -o car-prices-poland.zip
        wc -l Car_Prices_Poland_Kaggle.csv
        head -n $(($CUTTOFF / 10)) Car_Prices_Poland_Kaggle.csv > cars_test.csv
        head -n $(($CUTTOFF / 5)) Car_Prices_Poland_Kaggle.csv  | tail $(($CUTTOFF / -10)) > cars_dev.csv
        head -n $(($CUTTOFF) Car_Prices_Poland_Kaggle.csv  | tail $(($CUTTOFF * (-4 / 5) )) > cars_train.csv'''}
    }
    stage('Save data into artifacts') {
        archiveArtifacts artifacts: '*.csv', followSymlinks: false
    }
}