pipeline {
  agent any

  options {
    timestamps()
    disableConcurrentBuilds()
  }

  parameters {
    choice(
      name: 'TARGET',
      choices: ['admin', 'front', 'all'],
      description: '빌드와 배포할 API 서버를 선택합니다.'
    )
  }

  environment {
    REGISTRY_HOST = 'registry.pjt.kr'
    DOCKER_CRED = 'registry-pjt'

    SSH_HOST = '121.160.234.222'
    SSH_PORT = '2001'
    SSH_USER = 'bigfuntnp'
    SSH_COMPOSE_DIR = '/srv/project/alist/compose'

    ADMIN_IMAGE_REPO = 'alist/api-admin'
    ADMIN_MODULE_DIR = '02-api-admin'
    ADMIN_COMPOSE_FILE = 'api-admin-compose.pjt.yml'
    ADMIN_ENV_FILE = '/srv/project/alist/env/api-admin/.env'

    FRONT_IMAGE_REPO = 'alist/api-front'
    FRONT_MODULE_DIR = '03-api-front'
    FRONT_COMPOSE_FILE = 'api-front-compose.pjt.yml'
    FRONT_ENV_FILE = '/srv/project/alist/env/api-front/.env'

    WORK_COMPOSE_DIR = 'deploy/pjt/compose'
  }

  stages {
    stage('1) Git check out') {
      steps {
        checkout scm
      }
    }

    stage('2) ImageTag create') {
      steps {
        script {
          env.SHORT_SHA = sh(script: 'git rev-parse --short HEAD', returnStdout: true).trim()
          env.IMAGE_TAG = "${env.BUILD_NUMBER}-${env.SHORT_SHA}"

          echo "TARGET = ${params.TARGET}"
          echo "IMAGE_TAG = ${env.IMAGE_TAG}"
        }
      }
    }

    stage('3) Build admin') {
      when {
        expression { params.TARGET == 'admin' || params.TARGET == 'all' }
      }
      steps {
        sh '''
          set -e
          chmod +x ./gradlew
          ./gradlew :02-api-admin:bootJar
        '''
      }
    }

    stage('4) Build front') {
      when {
        expression { params.TARGET == 'front' || params.TARGET == 'all' }
      }
      steps {
        sh '''
          set -e
          chmod +x ./gradlew
          ./gradlew :03-api-front:bootJar
        '''
      }
    }

    stage('5) Docker build admin') {
      when {
        expression { params.TARGET == 'admin' || params.TARGET == 'all' }
      }
      steps {
        sh '''
          set -e
          docker build --no-cache \\
            -t ${REGISTRY_HOST}/${ADMIN_IMAGE_REPO}:${IMAGE_TAG} \\
            ${ADMIN_MODULE_DIR}
        '''
      }
    }

    stage('6) Docker build front') {
      when {
        expression { params.TARGET == 'front' || params.TARGET == 'all' }
      }
      steps {
        sh '''
          set -e
          docker build --no-cache \\
            -t ${REGISTRY_HOST}/${FRONT_IMAGE_REPO}:${IMAGE_TAG} \\
            ${FRONT_MODULE_DIR}
        '''
      }
    }

    stage('7) Docker push') {
      steps {
        withCredentials([usernamePassword(
          credentialsId: DOCKER_CRED,
          usernameVariable: 'DOCKER_USER',
          passwordVariable: 'DOCKER_PASS'
        )]) {
          sh '''
            set -e
            echo "$DOCKER_PASS" | docker login ${REGISTRY_HOST} -u "$DOCKER_USER" --password-stdin

            if [ "${TARGET}" = "admin" ] || [ "${TARGET}" = "all" ]; then
              docker push ${REGISTRY_HOST}/${ADMIN_IMAGE_REPO}:${IMAGE_TAG}
            fi

            if [ "${TARGET}" = "front" ] || [ "${TARGET}" = "all" ]; then
              docker push ${REGISTRY_HOST}/${FRONT_IMAGE_REPO}:${IMAGE_TAG}
            fi

            docker logout ${REGISTRY_HOST}
          '''
        }
      }
    }

    stage('8) Deploy admin') {
      when {
        expression { params.TARGET == 'admin' || params.TARGET == 'all' }
      }
      steps {
        sshagent(['ssh-pjt']) {
          withCredentials([usernamePassword(
            credentialsId: DOCKER_CRED,
            usernameVariable: 'DOCKER_USER',
            passwordVariable: 'DOCKER_PASS'
          )]) {
            sh '''
              set -e

              scp -P ${SSH_PORT} -o StrictHostKeyChecking=no \\
                ${WORK_COMPOSE_DIR}/${ADMIN_COMPOSE_FILE} \\
                ${SSH_USER}@${SSH_HOST}:${SSH_COMPOSE_DIR}/${ADMIN_COMPOSE_FILE}

              ssh -p ${SSH_PORT} -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null \\
                ${SSH_USER}@${SSH_HOST} '
                  set -e
                  cd '"${SSH_COMPOSE_DIR}"'
                  export IMAGE_TAG='"${IMAGE_TAG}"'

                  echo '"$DOCKER_PASS"' | docker login '"${REGISTRY_HOST}"' -u '"$DOCKER_USER"' --password-stdin
                  docker compose -p alist-api-admin --env-file '"${ADMIN_ENV_FILE}"' -f '"${ADMIN_COMPOSE_FILE}"' pull
                  docker compose -p alist-api-admin --env-file '"${ADMIN_ENV_FILE}"' -f '"${ADMIN_COMPOSE_FILE}"' up -d --remove-orphans
                  docker compose -p alist-api-admin --env-file '"${ADMIN_ENV_FILE}"' -f '"${ADMIN_COMPOSE_FILE}"' ps
                  docker logout '"${REGISTRY_HOST}"'
                '
            '''
          }
        }
      }
    }

    stage('9) Deploy front') {
      when {
        expression { params.TARGET == 'front' || params.TARGET == 'all' }
      }
      steps {
        sshagent(['ssh-pjt']) {
          withCredentials([usernamePassword(
            credentialsId: DOCKER_CRED,
            usernameVariable: 'DOCKER_USER',
            passwordVariable: 'DOCKER_PASS'
          )]) {
            sh '''
              set -e

              scp -P ${SSH_PORT} -o StrictHostKeyChecking=no \\
                ${WORK_COMPOSE_DIR}/${FRONT_COMPOSE_FILE} \\
                ${SSH_USER}@${SSH_HOST}:${SSH_COMPOSE_DIR}/${FRONT_COMPOSE_FILE}

              ssh -p ${SSH_PORT} -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null \\
                ${SSH_USER}@${SSH_HOST} '
                  set -e
                  cd '"${SSH_COMPOSE_DIR}"'
                  export IMAGE_TAG='"${IMAGE_TAG}"'

                  echo '"$DOCKER_PASS"' | docker login '"${REGISTRY_HOST}"' -u '"$DOCKER_USER"' --password-stdin
                  docker compose -p alist-api-front --env-file '"${FRONT_ENV_FILE}"' -f '"${FRONT_COMPOSE_FILE}"' pull
                  docker compose -p alist-api-front --env-file '"${FRONT_ENV_FILE}"' -f '"${FRONT_COMPOSE_FILE}"' up -d --remove-orphans
                  docker compose -p alist-api-front --env-file '"${FRONT_ENV_FILE}"' -f '"${FRONT_COMPOSE_FILE}"' ps
                  docker logout '"${REGISTRY_HOST}"'
                '
            '''
          }
        }
      }
    }

    stage('10) Jenkins cleanup') {
      steps {
        sh '''
          set -e

          if [ "${TARGET}" = "admin" ] || [ "${TARGET}" = "all" ]; then
            docker rmi ${REGISTRY_HOST}/${ADMIN_IMAGE_REPO}:${IMAGE_TAG} 2>/dev/null || true
          fi

          if [ "${TARGET}" = "front" ] || [ "${TARGET}" = "all" ]; then
            docker rmi ${REGISTRY_HOST}/${FRONT_IMAGE_REPO}:${IMAGE_TAG} 2>/dev/null || true
          fi

          docker image prune -f
          docker builder prune -f || true
        '''
      }
    }
  }
}