pipeline {
    agent any
    tools {
        jdk 'jdk-21'
        maven 'mvn 3.9.9'
    }
    environment {
        SSH_CREDENTIALS_ID = 'ssh-true-nas'  // ID van de SSH-sleutel in Jenkins
        TRUENAS_HOST = '192.168.2.31'         // IP-adres of hostname van TrueNAS
        SSH_USER = 'jenkins'              // SSH-gebruiker voor TrueNAS
        IMAGE_NAME = 'veenm/jobfindr'          // Naam van de Docker-image
        IMAGE_TAG = 'latest'                   // Docker-tag
    }

    stages {
        stage('Checkout Code') {
            steps {
                checkout scm
            }
        }

        stage('Build Quarkus Project') {
            steps {
                script {
                    // Bouw het Quarkus-project (assumeert Maven als build tool)
                    sh './mvnw clean package -DskipTests'
                }
            }
        }

        stage('Build Docker Image') {
            steps {
                script {

                    // Maak een Docker-image gebaseerd op de Dockerfile
                    sh 'ls'
                    sh """
                    docker build -t ${IMAGE_NAME}:${IMAGE_TAG} .
                    """
                }
            }
        }

        stage('Push Docker Image (Optional)') {
            when {
                expression {
                    return env.DOCKER_REGISTRY != null && env.DOCKER_REGISTRY.trim() != ''
                }
            }
            steps {
                script {
                    // Push de Docker-image naar een Docker Registry
                    sh """
                    docker tag ${IMAGE_NAME}:${IMAGE_TAG} ${env.DOCKER_REGISTRY}/${IMAGE_NAME}:${IMAGE_TAG}
                    docker push ${env.DOCKER_REGISTRY}/${IMAGE_NAME}:${IMAGE_TAG}
                    """
                }
            }
        }

        stage('Deploy Docker Image to TrueNAS') {
            steps {
                script {
                    // Verbind via SSH met TrueNAS en voer Docker-installatiecommando's uit
                    sshagent([SSH_CREDENTIALS_ID]) {
                        sh """
                        ssh -o StrictHostKeyChecking=no ${SSH_USER}@${TRUENAS_HOST} << EOF
                        docker stop ${IMAGE_NAME} || true
                        docker rm ${IMAGE_NAME} || true
                        docker pull ${IMAGE_NAME}:${IMAGE_TAG} || echo "Local image will be used"
                        docker run -d --name ${IMAGE_NAME} -p 8080:8080 ${IMAGE_NAME}:${IMAGE_TAG}
                        EOF
                        """
                    }
                }
            }
        }
    }

    post {
        always {
            script {
                echo "Pipeline execution completed."
            }
        }
    }
}