pipeline {
    agent {
        label 'build-agent'  // This matches the label you configured
    }

    environment {
        HARBOR_URL = 'harbor.myriadcara.com'  // Fixed your URL
        HARBOR_PROJECT = 'my-todo-app'
        HARBOR_CREDS = 'harbor-credentials-id'
        K8S_CREDENTIALS_ID = 'k8s-kubeconfig'
        IMAGE_TAG = "${env.BUILD_ID}"
    }

    stages {
        stage('Parallel Build & Deploy') {
            parallel {
                stage('Backend Service') {
                    environment {
                        SERVICE_NAME = 'todo-backend'
                        DIR = 'backend'
                        FULL_IMAGE_PATH = "${HARBOR_URL}/${HARBOR_PROJECT}/${SERVICE_NAME}:${IMAGE_TAG}"
                    }
                    stages {
                        stage('Backend: Test') {
                            steps {
                                container('node') {
                                    dir("${env.DIR}") {
                                        sh 'npm install'
                                        sh 'npm test || true'
                                    }
                                }
                            }
                        }
                        stage('Backend: Push & Deploy') {
                            steps {
                                dir("${env.DIR}") {
                                    script {
                                        // Build & Push
                                        container('docker') {
                                            sh "docker build -t ${FULL_IMAGE_PATH} ."
                                            withCredentials([usernamePassword(credentialsId: "${HARBOR_CREDS}", usernameVariable: 'USER', passwordVariable: 'PASS')]) {
                                                sh "docker login ${HARBOR_URL} -u ${USER} -p ${PASS}"
                                                sh "docker push ${FULL_IMAGE_PATH}"
                                            }
                                        }
                                        
                                        // K8s Deploy
                                        container('kubectl') {
                                            sh "sed 's|IMAGE_PATH_PLACEHOLDER|${FULL_IMAGE_PATH}|g' k8s-deployment.yaml > backend-k8s-applied.yaml"
                                            sh "kubectl apply -f backend-k8s-applied.yaml"
                                            sh "kubectl rollout status deployment/${SERVICE_NAME}"
                                        }
                                    }
                                }
                            }
                        }
                    }
                }

                stage('Frontend Service') {
                    environment {
                        SERVICE_NAME = 'todo-frontend'
                        DIR = 'frontend'
                        FULL_IMAGE_PATH = "${HARBOR_URL}/${HARBOR_PROJECT}/${SERVICE_NAME}:${IMAGE_TAG}"
                    }
                    stages {
                        stage('Frontend: Test') {
                            steps {
                                container('node') {
                                    dir("${env.DIR}") {
                                        sh 'npm install'
                                        sh 'npm test || true'
                                    }
                                }
                            }
                        }
                        stage('Frontend: Push & Deploy') {
                            steps {
                                dir("${env.DIR}") {
                                    script {
                                        // Build & Push
                                        container('docker') {
                                            sh "docker build -t ${FULL_IMAGE_PATH} ."
                                            withCredentials([usernamePassword(credentialsId: "${HARBOR_CREDS}", usernameVariable: 'USER', passwordVariable: 'PASS')]) {
                                                sh "docker login ${HARBOR_URL} -u ${USER} -p ${PASS}"
                                                sh "docker push ${FULL_IMAGE_PATH}"
                                            }
                                        }
                                        
                                        // K8s Deploy
                                        container('kubectl') {
                                            sh "sed 's|IMAGE_PATH_PLACEHOLDER|${FULL_IMAGE_PATH}|g' k8s-deployment.yaml > frontend-k8s-applied.yaml"
                                            sh "kubectl apply -f frontend-k8s-applied.yaml"
                                            sh "kubectl rollout status deployment/${SERVICE_NAME}"
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
    }

    post {
        always {
            container('docker') {
                sh "docker logout ${HARBOR_URL} || true"
            }
            sh "rm -f backend/backend-k8s-applied.yaml frontend/frontend-k8s-applied.yaml"
        }
    }
}