name: Deploy to Hosts
on:
  pull_request:
    types: [closed]

jobs:
  deploy:
    if: github.event.pull_request.merged == true
    runs-on: docker
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Fetch all history for git diff
        run: git fetch --depth=2

      - name: Detect modified folders
        id: detect-changes
        run: |
          if [ "$(git rev-parse --is-shallow-repository)" = "true" ]; then
            git fetch --unshallow
          fi
          folders=$(git diff --name-only HEAD~1 HEAD | cut -d/ -f1 | sort | uniq)
          echo "Modified folders: $folders"
          echo "::set-output name=folders::$folders"

      - name: Determine target host
        id: determine-host
        run: |
          folder=$(echo "${{ steps.detect-changes.outputs.folders }}" | head -n 1)
          if [ -z "$folder" ]; then
            echo "No modified folders detected"
            exit 1
          fi
          case $folder in
            arrs)
              target_host=${{ secrets.ARRS_IP }}
              ;;
            ag_main)
              target_host=${{ secrets.AGMAIN_IP }}
              ;;
            downloaders)
              target_host=${{ secrets.DOWNLOADERS_IP }}
              ;;
            # Add cases for other folders/hosts
            *)
              echo "Unknown folder: $folder"
              exit 1
              ;;
          esac
          echo "::set-output name=target_host::$target_host"
          echo "::set-output name=folder::$folder"

      - name: Trigger AWX Job
        run: |
          curl -X POST \
            -H "Content-Type: application/json" \
            -H "Authorization: Bearer ${{ secrets.AWX_API_TOKEN }}" \
            -d "{\"extra_vars\": {\"target_host\": \"${{ steps.determine-host.outputs.target_host }}\", \"folder\": \"${{ steps.determine-host.outputs.folder }}\"}}" \
            "http://awx.example.com/api/v2/job_templates/YOUR_JOB_TEMPLATE_ID/launch/"