name: CI

on:
  push:
    branches: [main]
  pull_request:

jobs:
  repo-hygiene:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Verify .env.example exists
        run: test -f .env.example

  lint:
    runs-on: ubuntu-latest
    needs: [repo-hygiene]
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-python@v5
        with:
          python-version: "3.12"
      - uses: astral-sh/setup-uv@v4
      - name: Install dependencies
        run: uv sync --frozen --group dev
      - name: Ruff check
        run: uv run ruff check backend/
      - name: Ruff format check
        run: uv run ruff format --check backend/
      - name: Mypy
        run: uv run mypy

  test:
    runs-on: ubuntu-latest
    needs: [lint]
    env:
      HANDIN_ADMIN_TOKEN: ci-test-token
      HANDIN_DATA_DIR: /tmp/handin-test-data
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-python@v5
        with:
          python-version: "3.12"
      - uses: astral-sh/setup-uv@v4
      - name: Install dependencies
        run: uv sync --frozen --group dev
      - name: Run tests
        run: uv run pytest

  frontend-quality:
    runs-on: ubuntu-latest
    needs: [repo-hygiene]
    defaults:
      run:
        working-directory: frontend
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-node@v4
        with:
          node-version: "20"
      - name: Install dependencies
        run: npm ci
      - name: Typecheck
        run: npx vue-tsc --noEmit
      - name: Build
        run: npm run build

  docker-publish:
    runs-on: ubuntu-latest
    needs: [test, frontend-quality]
    if: github.event_name == 'push' && github.ref == 'refs/heads/main'
    permissions:
      contents: read
    steps:
      - uses: actions/checkout@v4
      - uses: docker/setup-qemu-action@v3
      - uses: docker/setup-buildx-action@v3
      - uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_PASSWORD }}
      - id: meta
        uses: docker/metadata-action@v5
        with:
          images: justinzeus/handin
          tags: |
            type=raw,value=latest
            type=sha,format=short,prefix=sha-
      - uses: docker/build-push-action@v6
        with:
          context: .
          file: ./Dockerfile
          target: prod
          push: true
          platforms: linux/amd64,linux/arm64
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max