name: CI

on:
  push:
    branches: [main]
  pull_request:

jobs:
  analyze-and-test:
    name: Analyze & unit test
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4

      - uses: subosito/flutter-action@v2
        with:
          flutter-version: "3.41.6"
          channel: stable
          cache: true

      - name: Install dependencies
        run: flutter pub get

      - name: Generate Drift code
        run: dart run build_runner build --delete-conflicting-outputs

      - name: Analyze
        run: flutter analyze --fatal-infos

      - name: Unit tests
        run: dart test test/unit/

  integration:
    name: Integration tests (Stalwart)
    runs-on: ubuntu-latest
    # Run integration tests only on push to main, not on every PR,
    # since they require downloading the Stalwart binary via Nix.
    if: github.event_name == 'push' && github.ref == 'refs/heads/main'

    steps:
      - uses: actions/checkout@v4

      - uses: DeterminateSystems/nix-installer-action@v14

      - uses: DeterminateSystems/magic-nix-cache-action@v8

      - uses: subosito/flutter-action@v2
        with:
          flutter-version: "3.41.6"
          channel: stable
          cache: true

      - name: Enter Nix shell and run integration tests
        run: |
          nix develop --command bash -c "
            flutter pub get &&
            dart run build_runner build --delete-conflicting-outputs &&
            stalwart-dev/test.sh
          "

  build-linux:
    name: Build Linux desktop
    runs-on: ubuntu-latest
    needs: analyze-and-test

    steps:
      - uses: actions/checkout@v4

      - name: Install GTK3 and build tools
        run: |
          sudo apt-get update -q
          sudo apt-get install -y --no-install-recommends \
            libgtk-3-dev pkg-config cmake ninja-build clang

      - uses: subosito/flutter-action@v2
        with:
          flutter-version: "3.41.6"
          channel: stable
          cache: true

      - name: Install dependencies
        run: flutter pub get

      - name: Generate Drift code
        run: dart run build_runner build --delete-conflicting-outputs

      - name: Build Linux release
        run: flutter build linux --release