name: Build Runner Images

on:
  push:
    branches: [main]
    paths:
      - k8s/infra/forgejo-runner-images/Dockerfile.*
      - .gitea/workflows/build-runner-images.yml
  pull_request:
    branches: [main]
    paths:
      - k8s/infra/forgejo-runner-images/Dockerfile.*

env:
  REGISTRY: forgejo.riotpiao.com

jobs:
  build:
    name: Build and Push Runner Images
    if: github.event_name == 'push' && github.ref == 'refs/heads/main'
    runs-on: golang
    steps:
      - name: Install Node.js and Docker
        run: |
          apt-get update
          apt-get install -y nodejs docker.io

      - name: Checkout code
        uses: actions/checkout@v4

      - name: Get short SHA
        id: sha
        run: |
          SHORT_SHA=$(git rev-parse --short HEAD)
          echo "short_sha=${SHORT_SHA}" >> $GITHUB_OUTPUT

      - name: Registry login
        run: |
          echo "${REGISTRY_TOKEN}" | docker login "${REGISTRY}" \
            --username "${REGISTRY_USER}" --password-stdin
        env:
          REGISTRY_USER: ${{ secrets.FORGEJO_REGISTRY_USER }}
          REGISTRY_TOKEN: ${{ secrets.FORGEJO_REGISTRY_TOKEN }}

      - name: Build and push golang image
        run: |
          IMAGE="${REGISTRY}/rock/forgejo-runner-golang:${{ steps.sha.outputs.short_sha }}"
          docker build --no-cache \
            -f k8s/infra/forgejo-runner-images/Dockerfile.golang \
            -t "${IMAGE}" \
            -t "${REGISTRY}/rock/forgejo-runner-golang:latest" \
            .
          docker push "${IMAGE}"
          docker push "${REGISTRY}/rock/forgejo-runner-golang:latest"
          echo "✓ Pushed golang: ${IMAGE}"

      - name: Build and push node image
        run: |
          IMAGE="${REGISTRY}/rock/forgejo-runner-node:${{ steps.sha.outputs.short_sha }}"
          docker build --no-cache \
            -f k8s/infra/forgejo-runner-images/Dockerfile.node \
            -t "${IMAGE}" \
            -t "${REGISTRY}/rock/forgejo-runner-node:latest" \
            .
          docker push "${IMAGE}"
          docker push "${REGISTRY}/rock/forgejo-runner-node:latest"
          echo "✓ Pushed node: ${IMAGE}"

      - name: Build and push rust image
        run: |
          IMAGE="${REGISTRY}/rock/forgejo-runner-rust:${{ steps.sha.outputs.short_sha }}"
          docker build --no-cache \
            -f k8s/infra/forgejo-runner-images/Dockerfile.rust \
            -t "${IMAGE}" \
            -t "${REGISTRY}/rock/forgejo-runner-rust:latest" \
            .
          docker push "${IMAGE}"
          docker push "${REGISTRY}/rock/forgejo-runner-rust:latest"
          echo "✓ Pushed rust: ${IMAGE}"

      - name: Prune unused images
        run: docker image prune -a --force 2>&1 | tail -3 || true