name: CI

on:
  push:
    branches: [main]
    tags: ['v*']
    # The hub has its own pipeline (hub.yaml): a change that only touches it does
    # not rebuild the console.
    paths-ignore:
      - 'hub/**'
      - 'docker/Dockerfile.hub'
      - '.gitea/workflows/hub.yaml'
      - 'docs/compose.hub.example.yaml'
  pull_request:
    branches: [main]
  workflow_dispatch:

concurrency:
  group: ci-${{ gitea.workflow }}-${{ gitea.ref }}
  cancel-in-progress: true

jobs:
  check:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-node@v4
        with:
          node-version: '22'
          cache: npm

      - run: npm ci

      # The console goes in front of a DNS server, so a build that fails its own
      # checks must not exist.
      - run: npm run typecheck
      - run: npm run lint
      - run: npm run lint:language
      - run: npm run lint:colours
      - run: npm run lint:dashes
      - run: npm test
      - run: npm run build

      - name: Routes emitted
        run: |
          echo "Routes emitted $(find dist -name index.html | wc -l)"

  image:
    needs: check
    if: gitea.event_name != 'pull_request' && (gitea.ref_name == 'main' || startsWith(gitea.ref, 'refs/tags/v'))
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - uses: docker/setup-buildx-action@v3

      - uses: docker/login-action@v3
        with:
          registry: git.shx.one
          username: ${{ gitea.actor }}
          password: ${{ secrets.ACTION_PAT || secrets.ACTIONS_PAT }}

      # Registry names are lowercase.
      - name: Resolve image name
        id: image
        run: |
          echo "name=git.shx.one/$(echo '${{ gitea.repository }}' | tr '[:upper:]' '[:lower:]')" >> "$GITHUB_OUTPUT"

      - id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ steps.image.outputs.name }}
          tags: |
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=raw,value=latest,enable=${{ gitea.ref_name == 'main' }}
            type=sha,prefix=sha-,enable=${{ gitea.ref_name == 'main' }}

      - uses: docker/build-push-action@v5
        with:
          context: .
          file: docker/Dockerfile.gitea
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=registry,ref=${{ steps.image.outputs.name }}:buildcache
          cache-to: type=registry,ref=${{ steps.image.outputs.name }}:buildcache,mode=max