pipeline {
    agent {
        docker {
            image 'node:lts-bullseye-slim' 
        }
    }
    environment {
        // ensure production environmental variable are present
        CI = 'true'
        NODE_ENV = 'production'
        // set NPM parameters
        HOME = '.'
        NPM_CONFIG_CACHE = 'npm_cache'
        // set application configuration
        REACT_APP_KC_URL = 'https://auth.csi.wmi.amu.edu.pl/'
        REACT_APP_KC_REALM = 'csi-gonito'
        REACT_APP_KC_CLIENT_ID = 'gonito-frontend'
    }
    stages {
        stage('Build') { 
            steps {
                //sh 'npm install --loglevel=verbose'
                sh 'npm install'
                sh 'npm clean-install --only=production'
                sh 'npm run build'
            }
        }
        stage('Package') { 
            steps {
                // due to involved path processing of sshPublisher it's easier to pack everything into an archive
                sh 'cd build && tar cf ../build.tar.xz .'
            }
        }
        stage('SSH-publish-transfer') {
            steps {
                sshPublisher(
                    continueOnError: false, 
                    failOnError: true,
                    publishers: [
                        sshPublisherDesc(
                        configName: "mprill-gonito-front-prod",
                        transfers: [sshTransfer(
                            remoteDirectory: 'public_html',
                            // ensure clean deployment by deleting everything in remote directory
                            cleanRemote: true,
                            // transfer archive
                            sourceFiles: 'build.tar.xz',
                            // unpack archive and clean up
                            execCommand: 'tar xf public_html/build.tar.xz -C public_html && rm public_html/build.tar.xz'
                            )],
                        verbose: true
                        )
                    ]
                )
            }
        }
        stage('SSH-publish-permissions') {
            steps {
                sshPublisher(
                    continueOnError: false, 
                    failOnError: true,
                    publishers: [
                        sshPublisherDesc(
                        configName: "mprill-gonito-front-prod",
                        transfers: [sshTransfer(
                            // set proper permissions required for hosting
                            execCommand: 'chmod -R o+rX public_html'
                            )],
                        verbose: true
                        )
                    ]
                )
            }
        }
    }
}