def TARGET_FRONT_BUILD = ''
def TARGET_RUN_SERVER = ''
def FRONT_HOST_PATH = '/volume1/SPMS/PROJECT/Application/Front'

pipeline {
    agent any

    stages {
        stage('Check Branch & Setup') {
            steps {
                script {
                    def branchName = env.BRANCH_NAME
                    echo "Current Branch: ${branchName}"

                    if (branchName == 'develop') {
                        TARGET_FRONT_BUILD = 'spms-front-build-debug'
                        TARGET_RUN_SERVER = 'spms-run-debug'
                        echo "[DEV Mode] Target: DEBUG Container"
                    }
                    else if (branchName == 'main') {
                        TARGET_FRONT_BUILD = 'spms-front-build-release'
                        TARGET_RUN_SERVER = 'spms-run-release'
                        echo ">>> [PROD Mode] Target: RELEASE Container"
                    }
                    else {
                        error "This branch(${branchName}) can't set container (USE develop or main branch)"
                    }
                }
            }
        }

        stage('Checkout') {
            steps {
                cleanWs()
                checkout scm
                echo "Git Checkout Complete"
            }
        }

        // [3단계] 실행 중인 임시 컨테이너를 통해 호스트 볼륨에 소스 복사
        // (정지된 컨테이너에 docker cp하면 바인드 마운트에 반영 안 됨)
        stage('Copy to Host Volume') {
            steps {
                script {
                    def sourcePath = "${WORKSPACE}/react/."
                    echo "Copying source to host volume (${FRONT_HOST_PATH})..."

                    sh """
                        docker rm -f spms-source-copy 2>/dev/null || true
                        docker run -d --name spms-source-copy \
                            -v ${FRONT_HOST_PATH}:/target \
                            alpine sleep 30
                        docker exec spms-source-copy sh -c \
                            'find /target -mindepth 1 -maxdepth 1 ! -name node_modules -exec rm -rf {} +'
                        docker cp ${sourcePath} spms-source-copy:/target/
                        docker rm -f spms-source-copy
                    """

                    echo "Source copy complete."
                }
            }
        }

        stage('Build Frontend') {
            steps {
                script {
                    echo "Starting React Build (npm install + build + deploy)..."
                    sh "docker start -a ${TARGET_FRONT_BUILD}"
                    echo "React Build Complete."
                }
            }
        }

        stage('Apply & Restart') {
            steps {
                script {
                    echo "Restarting Backend Server (${TARGET_RUN_SERVER})..."
                    sh "docker restart ${TARGET_RUN_SERVER}"
                }
            }
        }
    }
}