name: build

on:
  pull_request:
  push:
    branches:
      - main

jobs:
  build:
    strategy:
      fail-fast: true
      matrix:
        os:
          - ubuntu-latest
            #- macos-latest
            #- windows-latest
        ocaml-compiler:
          - 4.13.x
          - 4.14.x
          - 5.03.x

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

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

      - run: sudo apt-get update
        if: ${{ matrix.os == 'ubuntu-latest' }}

      - name: Use OCaml ${{ matrix.ocaml-compiler }}
        uses: ocaml/setup-ocaml@v3
        with:
          ocaml-compiler: ${{ matrix.ocaml-compiler }}
          allow-prerelease-opam: true
          opam-depext-flags: --with-test

      - run: opam install ./tiny_httpd.opam ./tiny_httpd_camlzip.opam --deps-only --with-test

      - name: Build (OCaml 4.x)
        run: opam exec -- dune build @install -p tiny_httpd,tiny_httpd_camlzip
        if: ${{ !startsWith(matrix.ocaml-compiler, '5.') }}

      - name: Build (OCaml 5.x, includes eio)
        run: |
          opam install ./tiny_httpd_eio.opam --deps-only --with-test
          opam exec -- dune build @install -p tiny_httpd,tiny_httpd_camlzip,tiny_httpd_eio
        if: ${{ startsWith(matrix.ocaml-compiler, '5.') }}

      - run: opam exec -- dune build @src/runtest @examples/runtest @tests/runtest -p tiny_httpd
        if: ${{ matrix.os == 'ubuntu-latest' }}

      - run: opam install tiny_httpd

      - run: opam exec -- dune build @src/runtest @examples/runtest @tests/runtest -p tiny_httpd_camlzip
        if: ${{ matrix.os == 'ubuntu-latest' }}

      - run: opam install logs magic-mime -y

      - name: Final build (OCaml 4.x)
        run: opam exec -- dune build @install -p tiny_httpd,tiny_httpd_camlzip
        if: ${{ !startsWith(matrix.ocaml-compiler, '5.') }}

      - name: Final build (OCaml 5.x, includes eio)
        run: opam exec -- dune build @install -p tiny_httpd,tiny_httpd_camlzip,tiny_httpd_eio
        if: ${{ startsWith(matrix.ocaml-compiler, '5.') }}