pipeline {
  agent any
  parameters {
    string(name: 'BRANCH_NAME', defaultValue: '', description: '빌드할 브랜치명(비우면 main)')
    string(name: 'GIT_COMMIT_HASH', defaultValue: '', description: '빌드할 커밋 해시(비우면 최신 커밋 기준)')
  }
  stages {
    stage('Checkout') {
      steps {
        script {
          sh 'git fetch --all'
          def checkoutBranch = params.BRANCH_NAME?.trim() ? params.BRANCH_NAME.trim() : 'main'
          def commitHash = params.GIT_COMMIT_HASH?.trim()
          if (commitHash) {
            echo "브랜치(${checkoutBranch})의 커밋 해시(${commitHash})로 체크아웃합니다."
            sh "git fetch origin ${checkoutBranch}"
            sh "git checkout ${checkoutBranch}"
            sh "git checkout ${commitHash}"
          } else {
            echo "브랜치(${checkoutBranch})의 최신 커밋으로 체크아웃합니다."
            sh "git fetch origin ${checkoutBranch}"
            sh "git checkout ${checkoutBranch}"
            commitHash = sh(script: "git rev-parse --short HEAD", returnStdout: true).trim()
          }
          env.BRANCH_NAME = checkoutBranch
          env.GIT_COMMIT_HASH = commitHash
        }
      }
    }
    stage('Build & Deploy') {
      steps {
        script {
          def composeProject = "{{ node_id }}-" + (env.BRANCH_NAME ?: "") + "{{ node_type }}"

          writeFile file: '.env', text: """
BRANCH_NAME=${env.BRANCH_NAME}
GIT_COMMIT_HASH=${env.GIT_COMMIT_HASH}
"""
          sh "cat .env"
          sh "cat docker-compose.yml"
          sh "docker compose -p ${composeProject} --env-file .env down --rmi all"
          sh "docker compose -p ${composeProject} build --no-cache"
          sh "docker compose -p ${composeProject} --env-file .env up --force-recreate --remove-orphans -d"
        }
      }
    }
  }
  post {
    always {
      cleanWs()
    }
  }
}