name: MiniJuvix CI

on:
  push:
    branches: [ main , dev ]
  pull_request:
    branches:
      - main
      - dev

jobs:
  build:
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ ubuntu-latest , macOS-latest ]
        # Explicit GHC version, e.g."9.0.2", "8.10.7"
        ghc: ["9.2.2"]
    steps:
      - uses: actions/cache@v2
        name: Caching
        id: cache
        env:
          cache-name: cache-env
        with:
          path: |
            ~/.stack
            ~/.cabal
            dist-newstyle
            main/.stack-work/
            main/.hie
            main/dist-newstyle
            main/cabal-dev
          key: ${{ runner.os }}-build-${{ matrix.ghc }}-${{ hashFiles('main/src/**') }}
          restore-keys: |
            ${{ runner.os }}-build-${{ matrix.ghc }}-
            ${{ runner.os }}-build-
            ${{ runner.os }}-

      - uses: haskell/actions/setup@v1
        name: Setup Haskell
        with:
          ghc-version: ${{ matrix.ghc }}
          enable-stack: true
          stack-version: 'latest'

      - name: Checkout our repository
        uses: actions/checkout@v2
        with:
          path: main

      - name: Build Haskell Project
        run: |
          cd main
          make build

      - name: Download MiniJuvix-stdlib
        run: |
          cd main
          make minijuvix-stdlib

  stack-test:
    needs: build
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ macOS-latest , ubuntu-latest ]
        ghc: ["9.2.2"]
    steps:
      - uses: actions/cache@v2
        id: cache-build
        with:
          path: |
            ~/.stack
            ~/.cabal
            dist-newstyle
            main/.stack-work/
            main/.hie
            main/dist-newstyle
            main/cabal-dev
          key: ${{ runner.os }}-build-${{ matrix.ghc }}
      - name: Checkout the main repository
        uses: actions/checkout@v2
        with:
          path: main
      - name: Test suite
        id: stack-test
        run: |
          cd main
          make test

  ormolu:
    needs: build
    if:  ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ ubuntu-latest ]
        ghc: ["9.2.2"]
    steps:
      - uses: actions/cache@v2
        id: cache-build
        with:
          path: |
            ~/.stack
            ~/.cabal
            dist-newstyle
            main/.stack-work/
            main/.hie
            main/dist-newstyle
            main/cabal-dev
          key: ${{ runner.os }}-build-${{ matrix.ghc }}
      - name: Checkout the main repository
        uses: actions/checkout@v2
        with:
          path: main
      - name: Build Ormolu
        id: install-ormolu
        run: |
          cd main
          stack install ormolu
      - name: Stack build
        id: check-ormolu
        run: |
          cd main
          make check-ormolu