name: Docker Publish

on:
  push:
    branches:
      - main
    tags:
      - 'v*'
  workflow_dispatch:

env:
  REGISTRY: gitea.theriise.net
  IMAGE_WEB: gitea.theriise.net/steinhelge/pong-web
  IMAGE_LOBBY: gitea.theriise.net/steinhelge/pong-lobby

jobs:
  publish-images:
    runs-on: ubuntu-latest
    permissions:
      contents: read
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Set image tags
        id: meta
        shell: bash
        run: |
          short_sha="$(git rev-parse --short=12 HEAD)"
          echo "short_sha=$short_sha" >> "$GITHUB_OUTPUT"
          if tag_name="$(git describe --tags --exact-match 2>/dev/null)"; then
            echo "version_tag=$tag_name" >> "$GITHUB_OUTPUT"
          else
            echo "version_tag=sha-$short_sha" >> "$GITHUB_OUTPUT"
          fi

      - name: Login to registry
        shell: bash
        env:
          REGISTRY_USER: ${{ secrets.REGISTRY_USER }}
          REGISTRY_PASSWORD: ${{ secrets.REGISTRY_PASSWORD }}
        run: |
          test -n "$REGISTRY_USER"
          test -n "$REGISTRY_PASSWORD"
          echo "$REGISTRY_PASSWORD" | docker login "$REGISTRY" -u "$REGISTRY_USER" --password-stdin

      - name: Build and push web image
        shell: bash
        run: |
          docker build \
            -f Dockerfile \
            -t "$IMAGE_WEB:${{ steps.meta.outputs.version_tag }}" \
            -t "$IMAGE_WEB:latest" \
            .
          docker push "$IMAGE_WEB:${{ steps.meta.outputs.version_tag }}"
          docker push "$IMAGE_WEB:latest"

      - name: Build and push lobby image
        shell: bash
        run: |
          docker build \
            -f Dockerfile.lobby \
            -t "$IMAGE_LOBBY:${{ steps.meta.outputs.version_tag }}" \
            -t "$IMAGE_LOBBY:latest" \
            .
          docker push "$IMAGE_LOBBY:${{ steps.meta.outputs.version_tag }}"
          docker push "$IMAGE_LOBBY:latest"