def TARGET_FRONT_BUILD = ''
def TARGET_RUN_SERVER = ''
def CONTAINER_SRC_PATH = '/src'

pipeline {
    agent any

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

                    if (branchName == 'develop') {
                        // develop 브랜치 -> Debug 컨테이너
                        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] 컨테이너로 소스 복사
        stage('Copy to Container') {
            steps {
                script {
                    def sourcePath = "${WORKSPACE}/react/."
                    echo "Copying from ${sourcePath} to ${TARGET_FRONT_BUILD}"
                    def containerId = sh(script: "docker ps -aqf 'name=${TARGET_FRONT_BUILD}'", returnStdout: true).trim()

                    if (containerId) {
                        sh "docker cp ${sourcePath} ${TARGET_FRONT_BUILD}:${CONTAINER_SRC_PATH}"
                    } else {
                        error "Container ${TARGET_FRONT_BUILD} not found!"
                    }
                }
            }
        }

        stage('Build Frontend') {
            steps {
                script {
                    echo "Starting React Build..."
                    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}"
                }
            }
        }
    }
}