name: Build and Push Docker Images

on:
  push:
    branches: [ main ]
  release:
    types: [ published ]
  workflow_dispatch:

env:
  REGISTRY: europe-west4-docker.pkg.dev
  PROJECT_ID: bridge-misc
  REPOSITORY: omni-bridge-docker-images

jobs:
  build-and-push:
    runs-on: warp-ubuntu-latest-x64-2x
    strategy:
      matrix:
        chain: [btc, ltc, zec]
    
    permissions:
      contents: read

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Authenticate to Google Cloud
        id: auth
        uses: google-github-actions/auth@v2
        with:
          credentials_json: ${{ secrets.GCP_SA_KEY }}

      - name: Configure Docker to use gcloud as credential helper
        run: |
          gcloud auth configure-docker ${{ env.REGISTRY }} --quiet

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.PROJECT_ID }}/${{ env.REPOSITORY }}/${{ matrix.chain }}-relayer
          tags: |
            # For releases, use semver tags
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{major}}
            # For main branch pushes, use latest and SHA
            type=raw,value=latest,enable={{is_default_branch}}
            type=sha,prefix={{branch}},format=short,enable={{is_default_branch}}
            # For PRs, use PR number
            type=ref,event=pr

      - name: Set build args
        id: build-args
        run: |
          case "${{ matrix.chain }}" in
            btc) echo "features=" >> $GITHUB_OUTPUT ;;
            ltc) echo "features=" >> $GITHUB_OUTPUT ;;
            zec) echo "features=zcash" >> $GITHUB_OUTPUT ;;
          esac

      - name: Build and push Docker image
        uses: Warpbuilds/build-push-action@v6
        with:
          context: .
          file: ./relayer/Dockerfile
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          build-args: |
            FEATURES=${{ steps.build-args.outputs.features }}
          profile-name: "bridge-docker-builder"
          platforms: linux/amd64