name: Build and Deploy

on:
  push:
    branches: [main, master]
  workflow_dispatch:

env:
  IMAGE_NAME: beadboard
  REGISTRY: registry.viktorbarzin.me:5050

jobs:
  build:
    runs-on: ubuntu-latest
    outputs:
      image_tag: ${{ steps.meta.outputs.sha }}
    steps:
      - uses: actions/checkout@v4

      - uses: docker/setup-buildx-action@v3

      - id: meta
        run: echo "sha=$(echo ${{ github.sha }} | cut -c1-8)" >> "$GITHUB_OUTPUT"

      - name: Log in to private registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ secrets.REGISTRY_USERNAME }}
          password: ${{ secrets.REGISTRY_PASSWORD }}

      - name: Build and push
        uses: docker/build-push-action@v6
        with:
          context: .
          file: Dockerfile
          push: true
          platforms: linux/amd64
          tags: |
            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.meta.outputs.sha }}
            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest
          cache-from: type=gha
          cache-to: type=gha,mode=max

  deploy:
    needs: build
    runs-on: ubuntu-latest
    if: github.event_name == 'push'
    steps:
      - name: Trigger Woodpecker deploy
        env:
          # TODO: set WOODPECKER_REPO_ID once the beadboard repo is registered
          # with Woodpecker (infra CLAUDE.md: "Woodpecker API uses numeric repo IDs").
          WOODPECKER_REPO_ID: "TBD"
        run: |
          if [ "$WOODPECKER_REPO_ID" = "TBD" ]; then
            echo "Woodpecker repo not yet registered — skipping deploy trigger."
            echo "Image built and pushed as ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ needs.build.outputs.image_tag }}"
            exit 0
          fi
          for attempt in 1 2 3; do
            STATUS=$(curl -s -o /dev/null -w "%{http_code}" -X POST \
              "https://ci.viktorbarzin.me/api/repos/${WOODPECKER_REPO_ID}/pipelines" \
              -H "Authorization: Bearer ${{ secrets.WOODPECKER_TOKEN }}" \
              -H "Content-Type: application/json" \
              -d "{\"branch\":\"main\",\"variables\":{\"IMAGE_TAG\":\"${{ needs.build.outputs.image_tag }}\"}}")
            if [ "$STATUS" -ge 200 ] && [ "$STATUS" -lt 300 ]; then
              echo "Woodpecker deploy triggered (HTTP $STATUS)"
              exit 0
            fi
            echo "Attempt $attempt failed (HTTP $STATUS), retrying in 30s..."
            sleep 30
          done
          echo "Failed to trigger Woodpecker deploy after 3 attempts"
          exit 1