name: build-image-from-tag
on:
  workflow_dispatch:
  push:
    branches: [main]
  pull_request:
    branches: [main]
jobs:
  build:
    # Don't build the image if the registry credentials are not set, the ref is not a tag or it doesn't contain '-v'
    if: ${{ vars.REGISTRY_USER != '' && secrets.REGISTRY_PASS != '' && startsWith(github.ref, 'refs/tags/') && contains(github.ref, '-v') }}
    runs-on: docker
    container:
      image: git.badblocks.dev/oci/pkmntrade-club_web:latest
      # Mount the dind socket on the container at the default location
      options: -v /dind/docker.sock:/var/run/docker.sock
    steps:
      - name: Extract image name and tag from git and get registry name from env
        id: job_data
        run: |
          echo "::set-output name=img_name::${GITHUB_REF_NAME%%-v*}"
          echo "::set-output name=img_tag::${GITHUB_REF_NAME##*-v}"
          echo "::set-output name=registry::$(
            echo "${{ github.server_url }}" | sed -e 's%https://%%'
          )"
          echo "::set-output name=oci_registry_prefix::$(
            echo "${{ github.server_url }}/oci" | sed -e 's%https://%%'
          )"
      - name: Checkout the repo
        uses: actions/checkout@v4
      - name: Export build dir and Dockerfile
        id: build_data
        run: |
          img="${{ steps.job_data.outputs.img_name }}"
          build_dir="$(pwd)/${img}"
          dockerfile="${build_dir}/Dockerfile"
          if [ -f "$dockerfile" ]; then
            echo "::set-output name=build_dir::$build_dir"
            echo "::set-output name=dockerfile::$dockerfile"
          else
            echo "Couldn't find the Dockerfile for the '$img' image"
            exit 1
          fi
      - name: Login to the Container Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ steps.job_data.outputs.registry }}
          username: ${{ vars.REGISTRY_USER }}
          password: ${{ secrets.REGISTRY_PASS }}
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      - name: Build and Push
        uses: docker/build-push-action@v6
        with:
          push: true
          tags: |
            ${{ steps.job_data.outputs.oci_registry_prefix }}/${{ steps.job_data.outputs.img_name }}:${{ steps.job_data.outputs.img_tag }}
            ${{ steps.job_data.outputs.oci_registry_prefix }}/${{ steps.job_data.outputs.img_name }}:latest
          context: ${{ steps.build_data.outputs.build_dir }}
          file: ${{ steps.build_data.outputs.dockerfile }}
          build-args: |
            OCI_REGISTRY_PREFIX=${{ steps.job_data.outputs.oci_registry_prefix }}/