name: Docker Build and Publish

on:
  push:
    branches: [ "main" ]
  pull_request:
    branches: [ "main" ]

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  test:
    runs-on: ubuntu-latest
    services:
      postgres:
        image: postgres:16-alpine
        env:
          POSTGRES_USER: flowreader
          POSTGRES_PASSWORD: flowreader
          POSTGRES_DB: flowreader
        ports:
          - 5432:5432
        options: >-
          --health-cmd "pg_isready -U flowreader" --health-interval 5s --health-timeout 5s --health-retries 10
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Install Rust
        uses: dtolnay/rust-toolchain@stable
        with:
          components: clippy, rustfmt

      - name: Cache cargo
        uses: Swatinem/rust-cache@v2

      - name: Format
        run: cargo fmt --check

      - name: Clippy
        run: cargo clippy --all-targets --locked -- -D warnings

      - name: Tests
        env:
          TEST_DATABASE_URL: postgres://flowreader:flowreader@localhost:5432/flowreader?sslmode=disable
        run: cargo test --locked

  build:
    needs: test
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Log in to the Container registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=raw,value=latest,enable={{is_default_branch}}
            type=sha

      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}