pipeline {
    agent any

    environment {
        APP_NAME    = "petclinic"
        DOCKER_USER = "rizjosel"
        IMAGE_TAG   = "${BUILD_NUMBER}"
        IMAGE_NAME  = "${DOCKER_USER}/${APP_NAME}:${IMAGE_TAG}"
    }

    stages {

        stage('Notify GitHub Pending') {
            steps {
                setGitHubPullRequestStatus(
                    context: 'Jenkins CI',
                    status: 'PENDING'
                )
            }
        }

        stage('CI / Unit Tests') {
            steps {
                sh './gradlew clean build -x test'
                junit 'build/test-results/test/*.xml'
            }
        }

        stage('CI / Docker Build') {
            steps {
                sh "docker build -t ${IMAGE_NAME} ."
            }
        }

        stage('CI / Docker Integration') {
            steps {
                script {
                    try {
                        sh "docker run -d --name ${APP_NAME}-test -p 8080:8080 ${IMAGE_NAME}"
                        sh "sleep 15"
                        sh "curl -f http://localhost:8080/actuator/health"
                    } finally {
                        sh "docker stop ${APP_NAME}-test || true"
                        sh "docker rm ${APP_NAME}-test || true"
                    }
                }
            }
        }
    }

    post {
        success {
            setGitHubPullRequestStatus(
                context: 'Jenkins CI',
                status: 'SUCCESS'
            )
        }
        failure {
            setGitHubPullRequestStatus(
                context: 'Jenkins CI',
                status: 'FAILURE'
            )
        }
    }
}