name: Portainer Stack Update

on:
  push:
    branches:
      - main

jobs:
  update_stack:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Detect changed compose files
        id: changed
        run: |
          # Get only changed docker-compose.yml files in top-level folders
          CHANGED_COMPOSE_DIRS=$(git diff --name-only ${{ github.event.before }} ${{ github.sha }} | grep -E '^[^/]+/docker-compose\.yml$' | cut -d '/' -f1 | sort -u || true)
          echo "::notice CHANGED_COMPOSE_DIRS=$CHANGED_COMPOSE_DIRS" >> $GITHUB_ENV

      - name: Update relevant stacks in Portainer
        if: env.CHANGED_COMPOSE_DIRS != ''
        run: |
          echo "::notice Reading stack mapping..."
          STACK_MAP=$(cat .stack-map.json)

          for dir in $CHANGED_COMPOSE_DIRS; do
            echo "::notice Checking directory: $dir"
            STACK_ID=$(echo "$STACK_MAP" | jq -r --arg d "$dir" '.[$d]')
          
            if [ "$STACK_ID" != "null" ]; then
              echo "::notice Updating Portainer stack $dir (ID: $STACK_ID)..."
              curl -X POST "http://portainer.szabolcsi.dev/api/stacks/webhooks/$STACK_ID"
            else
              echo "::notice No stack ID found for $dir, skipping."
            fi
          done
        env:
          CHANGED_COMPOSE_DIRS: ${{ env.CHANGED_COMPOSE_DIRS }}