name: ci / nix
permissions:
  contents: read
  pull-requests: read
  checks: write

on:
  pull_request:
    branches: [master]

jobs:
  # Fast check — catches eval errors without building
  check:
    name: 'flake check'
    runs-on: [self-hosted, Linux, X64]
    steps:
      - uses: actions/checkout@v4
        with:
          submodules: recursive
      - name: 'Nix flake check'
        run: nix flake check '.?submodules=1' --accept-flake-config

  # Run tests on both platforms
  test:
    name: 'test / ${{ matrix.system }}'
    strategy:
      fail-fast: false
      matrix:
        include:
          - system: x86_64-linux
            runs_on: [self-hosted, Linux, X64]
          - system: aarch64-darwin
            runs_on: [self-hosted, macOS, ARM64]
    runs-on: ${{ matrix.runs_on }}
    steps:
      - uses: actions/checkout@v4
        with:
          submodules: recursive
      - name: 'Run tests'
        run: |
          nix develop '.?submodules=1' --accept-flake-config --command \
            nim test sds.nims

  # Build desktop library
  build-desktop:
    name: '${{ matrix.system }} / libsds'
    strategy:
      fail-fast: false
      matrix:
        include:
          - system: aarch64-darwin
            runs_on: [self-hosted, macOS, ARM64]
          - system: x86_64-linux
            runs_on: [self-hosted, Linux, X64]
    runs-on: ${{ matrix.runs_on }}
    steps:
      - uses: actions/checkout@v4
        with:
          submodules: recursive
      - name: 'Build libsds'
        run: |
          nix build -L '.?submodules=1#libsds' \
            --print-out-paths --accept-flake-config
      - name: 'Verify output'
        run: ls -la result/lib/

  # Build Android targets only on Linux — avoids macOS cross-compile issues
  build-android:
    name: 'x86_64-linux / ${{ matrix.nixpkg }}'
    strategy:
      fail-fast: false
      matrix:
        nixpkg:
          - libsds-android-arm64
          - libsds-android-amd64
          - libsds-android-x86
          - libsds-android-arm
    runs-on: [self-hosted, Linux, X64]
    steps:
      - uses: actions/checkout@v4
        with:
          submodules: recursive
      - name: 'Build ${{ matrix.nixpkg }}'
        run: |
          nix build -L '.?submodules=1#${{ matrix.nixpkg }}' \
            --print-out-paths --accept-flake-config
      - name: 'Verify output'
        run: ls -laR result/