pipeline {
  agent { label 'docker' }
  stages {
    stage('Checkout'){ 
        steps { checkout scm } 
    }
    stage('Deploy Prod'){
      steps {
        sshagent (credentials: ['myinstalink-server']) {
        sh '''
            ssh -o StrictHostKeyChecking=no kreamond@109.73.204.66 '
            set -euo pipefail
            cd ~/docbot || exit 1
            git diff --name-only origin/main main | grep -i 'alembic/versions' > db_script.txt || true

            if [ "$(git rev-parse --abbrev-ref HEAD)" != "main" ]; then
              git checkout main
            fi

            if git pull origin main | grep -q "Already up to date."; then
              echo "No updates to deploy."
              exit 0
            fi

            git pull origin main
            . .venv/bin/activate
            if [ -s db_script.txt ]; then
              echo "Database migration scripts detected. Running migrations..."
              alembic upgrade head
            else
              echo "No database migration scripts detected."
            fi
            sudo ./new_version.sh
          '
        '''
      }
    }
  }
  }
}