name: Build and push runner images

on:
  push:
    paths:
      - 'k8s/infra/forgejo-runner/Dockerfile.golang'
      - 'k8s/infra/forgejo-runner/Dockerfile.rust'
      - 'k8s/infra/forgejo-runner/Dockerfile.node'
    branches:
      - main

jobs:
  build-runners:
    runs-on: golang
    env:
      REGISTRY: forgejo.riotpiao.com
      IMAGE_BASE: forgejo.riotpiao.com/rock
    steps:
      - 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-runner
        if: contains(github.event.head_commit.modified, 'Dockerfile.golang')
        run: |
          docker build -f k8s/infra/forgejo-runner/Dockerfile.golang \
            -t "${IMAGE_BASE}/forgejo-runner-golang:${{ steps.sha.outputs.short_sha }}" \
            -t "${IMAGE_BASE}/forgejo-runner-golang:latest" \
            .
          docker push "${IMAGE_BASE}/forgejo-runner-golang:${{ steps.sha.outputs.short_sha }}"
          docker push "${IMAGE_BASE}/forgejo-runner-golang:latest"
          echo "✓ Pushed golang-runner"

      - name: Build and push rust-runner
        if: contains(github.event.head_commit.modified, 'Dockerfile.rust')
        run: |
          docker build -f k8s/infra/forgejo-runner/Dockerfile.rust \
            -t "${IMAGE_BASE}/forgejo-runner-rust:${{ steps.sha.outputs.short_sha }}" \
            -t "${IMAGE_BASE}/forgejo-runner-rust:latest" \
            .
          docker push "${IMAGE_BASE}/forgejo-runner-rust:${{ steps.sha.outputs.short_sha }}"
          docker push "${IMAGE_BASE}/forgejo-runner-rust:latest"
          echo "✓ Pushed rust-runner"

      - name: Build and push node-runner
        if: contains(github.event.head_commit.modified, 'Dockerfile.node')
        run: |
          docker build -f k8s/infra/forgejo-runner/Dockerfile.node \
            -t "${IMAGE_BASE}/forgejo-runner-node:${{ steps.sha.outputs.short_sha }}" \
            -t "${IMAGE_BASE}/forgejo-runner-node:latest" \
            .
          docker push "${IMAGE_BASE}/forgejo-runner-node:${{ steps.sha.outputs.short_sha }}"
          docker push "${IMAGE_BASE}/forgejo-runner-node:latest"
          echo "✓ Pushed node-runner"