stages:
  - check
  - build
  - deploy

variables:
  APP_REPO: "https://github.com/barais/doodlestudent.git"
  SUBMODULE_PATH: "doodlestudent"

check_app_update:
  stage: check
  image: alpine:latest
  before_script:
    - apk add --no-cache git
  script:
    # Récupère le dernier commit distant
    - LATEST_REMOTE=$(git ls-remote $APP_REPO HEAD | awk '{print $1}')
    # Récupère le commit actuel du submodule
    - CURRENT_SUBMODULE=$(git rev-parse HEAD:$SUBMODULE_PATH || echo "none")
    - echo "Remote: $LATEST_REMOTE"
    - echo "Current: $CURRENT_SUBMODULE"

    # Compare
    - |
      if [ "$LATEST_REMOTE" != "$CURRENT_SUBMODULE" ]; then
        echo "NEW_COMMIT=true" >> variables.env
      else
        echo "NEW_COMMIT=false" >> variables.env
      fi
  artifacts:
    reports:
      dotenv: variables.env

build_image:
  stage: build
  image: docker:latest
  services:
    - docker:dind
  rules:
    - if: '$NEW_COMMIT == "true"'
  script:
    - git submodule update --init --remote
    - docker build -t myapp:latest .
    - docker push myapp:latest

deploy:
  stage: deploy
  rules:
    - if: '$NEW_COMMIT == "true"'
  script:
    - echo "Deploying..."
    - docker compose up -f dockercompose/docker-compose.yml -d