name: Deploy

on:
  push:
    branches:
      - main
    tags:
      - 'prod'
      - 'v*'
    paths:
      - 'bin/**'
      - 'packages/agebd/**'
      - 'services/**'


jobs:
  deploy:
    runs-on: hla-dev

    env:
      # commit tagged ? yes->prod : no->dev 
      AGEBD_ENV: ${{ github.ref_type == 'tag' && 'prod' || 'dev' }}

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 2  # needed for git diff tracking

      - name: Defined filter paths
        uses: actions/paths-filter@v3  # see: https://gitea.psi.ch/actions/paths-filter
        id: filter
        with:
          filters: |
            bin:
              - 'bin/**'
            agebd:
              - 'packages/agebd/**'
            services:
              - 'services/**'

      # TODO: maybe this is better: `rsync -av --delete ./ "${DEST_DIR}/"` # Sync everything perfectly, including hidden files, and delete old stale files
      - name: Bin - deploy
        if: steps.filter.outputs.bin == 'true'
        env:
          # commit tagged ? yes->prod : no->dev
          DEST_DIR: /sls/bd/hla/${{ github.ref_type == 'tag' && 'prod' || 'dev' }}/bin
        working-directory: bin
        run: |
          mkdir -p ${DEST_DIR}
          cp -r ./* ${DEST_DIR}

      # TODO: maybe this is better: `rsync -av --delete ./ "${DEST_DIR}/"` # Sync everything perfectly, including hidden files, and delete old stale files
      - name: Agebd - deploy
        if: steps.filter.outputs.agebd == 'true'
        env:
          # commit tagged ? yes->prod : no->dev
          DEST_DIR: /sls/bd/hla/${{ github.ref_type == 'tag' && 'prod' || 'dev' }}/packages/agebd
        working-directory: packages/agebd
        run: |
          mkdir -p ${DEST_DIR}
          cp -r ./* ${DEST_DIR}

      # TODO: (when) do we need to restart the master service or reinstall/restart the master ioc?

      - name: Services - Initialize Virtual Environment from cli/uv.lock
        if: steps.filter.outputs.services == 'true'
        run: |
          uv venv .venv
          uv sync --directory cli

      - name: Services - Install Ansible Galaxy Collections
        if: steps.filter.outputs.services == 'true'
        run: |
          uv run ansible-galaxy collection install -r ansible/collections/requirements.yml -p ./ansible/installed-collections

      - name: Services - Run Ansible Orchestrator
        if: steps.filter.outputs.services == 'true'
        working-directory: ansible
        run: |
          set -x 

          # Disable pipefail temporarily or add an '|| true' fallback so grep doesn't kill the script
          set +e
          CHANGED_FILES=$(git diff --name-only ${{ github.event.before }} ${{ github.sha }})
          set -e

          # 1. Parse changed directory names into space-separated string (e.g. "master other-service")
          CHANGED_SVC=$(echo "$CHANGED_FILES" | awk -F/ '$1=="services" {print $2}' | sort -u | xargs)

          echo "Detected changed services: '$CHANGED_SVC'"

          # Safely halt the execution if there is nothing to pass to Ansible
          if [ -z "$CHANGED_SVC" ]; then
            echo "No services changed in this commit range. Skipping deployment smoothly."
            exit 0
          fi

          # 3. Fire the playbook passing variables down
          ansible-playbook playbooks/deploy-and-restart-modified-services.yml \
            -i "inventories/$AGEBD_ENV/hosts.yml" \
            --extra-vars="changed_services_raw='$CHANGED_SVC'" \
            -v