name: Build & Deploy

on:
  [workflow_dispatch, push]

env:
  REGISTRY: git.aggtaa.com
#  IMAGE_PREFIX: ${{ gitea.repository }} # set by a step

jobs:
  # ── BUILD SERVER ──────────────────────────────────────────────────────────────
  build-app:
    runs-on: docker1
    defaults:
      run:
        shell: sh
        working-directory: /workspace
    steps:
      - name: Checkout
        working-directory: /
        run: |
          mkdir -p /workspace
          if [ -d /workspace/.git ]; then
            cd /workspace && git fetch origin && git reset --hard origin/${{ gitea.ref_name }}
          else
            git clone ${{ gitea.server_url }}/${{ gitea.repository }}.git /workspace
          fi

      - name: Set lowercase image prefix
        run: echo "IMAGE_PREFIX=$(echo '${{ gitea.repository }}' | tr '[:upper:]' '[:lower:]')" >> $GITHUB_ENV

      - name: Build & push app
        run: |
          cd /workspace
          echo "${{ secrets.REGISTRY_PASSWORD }}" | \
            docker login ${{ env.REGISTRY }} -u ${{ secrets.REGISTRY_USER }} --password-stdin

          /data/tools/docker-buildx build \
            --cache-from type=registry,ref=${{ env.REGISTRY }}/${{ env.IMAGE_PREFIX }}/app:cache \
            --cache-to   type=registry,ref=${{ env.REGISTRY }}/${{ env.IMAGE_PREFIX }}/app:cache,mode=max \
            --tag ${{ env.REGISTRY }}/${{ env.IMAGE_PREFIX }}/app:latest \
            --tag ${{ env.REGISTRY }}/${{ env.IMAGE_PREFIX }}/app:${{ gitea.sha }} \
            --file Dockerfile \
            --push \
            .

  # ── DEPLOY ────────────────────────────────────────────────────────────────────
  deploy:
    runs-on: docker1
    needs: [build-app]
    if: always() && !failure() && !cancelled()
    defaults:
      run:
        shell: sh
    steps:
      - name: Deploy
        run: |
          mkdir -p "/app-cache/${{ gitea.repository }}"
          cd "/app-cache/${{ gitea.repository }}"
          if [ ! -d .git ]; then
            git clone ${{ gitea.server_url }}/${{ gitea.repository }}.git .
          else
            git pull origin main
          fi
          printf 'REGISTRY=%s\nIMAGE_PREFIX=%s\n' \
            '${{ env.REGISTRY }}' \
            '${{ env.IMAGE_PREFIX }}' > .env
          docker compose pull
          docker compose up -d --remove-orphans
          docker image prune -f