name: CI

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

jobs:
  build:
    name: Build (${{ matrix.os }})

    strategy:
      fail-fast: false
      matrix:
        include:
          - os: ubuntu-latest
            use-nix: true
          - os: windows-latest
            use-nix: false

    runs-on: ${{ matrix.os }}

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

      - name: Install Rust
        if: ${{ !matrix.use-nix }}
        uses: actions-rust-lang/setup-rust-toolchain@v1

      - name: Install Nix
        if: ${{ matrix.use-nix }}
        uses: DeterminateSystems/nix-installer-action@v17

      - name: Setup Nix cache
        if: ${{ matrix.use-nix }}
        uses: DeterminateSystems/magic-nix-cache-action@v9

      - name: Build
        if: ${{ !matrix.use-nix }}
        run: cargo build --locked

      - name: Build
        if: ${{ matrix.use-nix }}
        run: nix build --print-build-logs .#refraction-debug

  flake:
    name: Flake checks

    runs-on: ubuntu-latest

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

      - name: Install Nix
        uses: DeterminateSystems/nix-installer-action@v17

      - name: Setup Nix cache
        uses: DeterminateSystems/magic-nix-cache-action@v9

      - name: Run checks
        run: |
          nix flake check --print-build-logs --show-trace

  # Make sure all above jobs finished successfully
  release-gate:
    name: CI Release gate
    needs: [build, flake]

    if: ${{ always() }}

    runs-on: ubuntu-latest

    steps:
      - name: Exit with error
        if: ${{ contains(needs.*.result, 'failure') || contains(needs.*.result, 'cancelled') }}
        run: exit 1