name: CI

on:
  pull_request:
  push:

jobs:
  matrix:
    name: Generate matrix
    runs-on: ubuntu-latest
    outputs:
      matrix: ${{ steps.gen-matrix.outputs.matrix }}

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

      - name: Install Nix
        uses: DeterminateSystems/nix-installer-action@v10

      - name: Genrate matrix
        id: gen-matrix
        run: |
          echo "matrix=$(nix eval --impure --json --expr '(import ./constants.nix).ghcVersions')" \
            >> $GITHUB_OUTPUT

  nix-build-packages:
    needs: matrix
    runs-on: macos-latest

    strategy:
      fail-fast: false
      matrix:
        ghc:  ${{ fromJson(needs.matrix.outputs.matrix) }}

    name: Nix build (${{ matrix.ghc }})

    steps:
      - name: Checkout repo
        uses: actions/checkout@v3

      - name: Install Nix
        uses: DeterminateSystems/nix-installer-action@v10

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

      - name: Build and test
        run: |
          NAME=$(nix eval --impure --raw --expr '(import ./constants.nix).name')-${{ matrix.ghc }}
          nix -L build .#$NAME
          nix run .#$NAME -- domains

  nix-build-devshell:
    name: Nix build devshell
    runs-on: macos-latest

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

      - name: Install Nix
        uses: DeterminateSystems/nix-installer-action@v10

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

      - name: Build and test
        run: |
          nix -L develop . --command echo "OK"

  stack-build:
    name: Stack build
    runs-on: macos-latest

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

      - name: Build and test
        run: |
          stack run -- domains