---
spec:
  inputs:
    as:
      default: config-docker
    stage:
      default: config

    config_dir:
      default: ${CI_PROJECT_DIR}
      description: 'Config directory to copy.'
    project_file:
      default: 'compose.yaml'
      description: 'Docker Compose file to use.'

    remote_host:
      description: 'Remote host'
    remote_user:
      description: 'Remote user'
    remote_ssh:
      description: 'Remote ssh'

    remote_config:
      default: ${CI_PROJECT_DIR}
      description: 'Target directory on the remote server for the config.'
    remote_dir:
      default: ${CI_PROJECT_DIR}
      description: 'Directory on the remote server for the Docker Compose project.'


    restart:
      default: 'false'
      description: 'Restart the remote compose project after config update?'

---
'$[[ inputs.as ]]':
  stage: '$[[ inputs.stage ]]'
  image: alpine:latest
  variables:
    CONFIG_DIR: "$[[ inputs.config_dir ]]"
    PROJECT_FILE: "$[[ inputs.project_file ]]"
    SSH_KEY: "$[[ inputs.remote_ssh ]]"
    REMOTE_HOST: "$[[ inputs.remote_host ]]"
    REMOTE_USER: "$[[ inputs.remote_user ]]"
    REMOTE_CONFIG: "$[[ inputs.remote_config ]]"
    REMOTE_PATH: "$[[ inputs.remote_dir ]]"
    RESTART: "$[[ inputs.restart ]]"
  before_script: |
    echo "Before → Executing..."
    echo "Before → Installing dependencies"
    apk add --no-cache openssh-client
    echo "Before → Adding ssh key"
    echo "$SSH_KEY" > id_rsa && chmod 600 id_rsa
    eval $(ssh-agent -s)
    ssh-add id_rsa
  script: |
    echo "Script → Executing..."
    echo "Script → Copying config file to remote host"
    ssh -o StrictHostKeyChecking=no $REMOTE_USER@$REMOTE_HOST "mkdir -p $REMOTE_CONFIG"
    scp -o StrictHostKeyChecking=no $CONFIG_DIR/* $REMOTE_USER@$REMOTE_HOST:$REMOTE_CONFIG
    echo "Script → Executing remote commands"
    ssh -o StrictHostKeyChecking=no $REMOTE_USER@$REMOTE_HOST<<EOF
      if [ '$RESTART' = 'true' ]; then
        echo "Script → Restarting services"
        docker compose -f $REMOTE_PATH/$PROJECT_FILE down --remove-orphans
        docker compose -f $REMOTE_PATH/$PROJECT_FILE up -d
      fi
    EOF
    echo "Script ✓ Done"
  rules:
    - if: '$CI_COMMIT_REF_NAME == "main"'
      changes:
        - '$[[ inputs.config_dir ]]/**'