name: "Build"
on:
  push:
  workflow_dispatch:

jobs:
  check:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4
      - uses: cachix/install-nix-action@v27
        with:
          nix_path: nixpkgs=channel:nixos-unstable
      - uses: cachix/cachix-action@v15
        with:
          name: traxys
          authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
      - run: nix build .#checks.x86_64-linux.neovimTraxys
      # - run: nix profile install nixpkgs#nixos-rebuild nixpkgs#home-manager
      # - run: nixos-rebuild build --flake .#ZeNixComputa
      # - run: nixos-rebuild build --flake .#gandalf
      # - run: home-manager build --flake .#"boyerq@thinkpad-nixos"

  load_packages:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4
      - uses: cachix/install-nix-action@v27
        with:
          nix_path: nixpkgs=channel:nixos-unstable
      - uses: cachix/cachix-action@v15
        with:
          name: traxys
          authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
      - id: load-packages
        run: >
          echo "matrix=$(nix flake show --json | jq -c '.packages."x86_64-linux" | keys')" | tee -a $GITHUB_OUTPUT

    outputs:
      matrix: ${{ steps.load-packages.outputs.matrix }}

  build:
    runs-on: ubuntu-latest
    needs: load_packages
    strategy:
      matrix:
        package: ${{ fromJson(needs.load_packages.outputs.matrix) }}
    steps:
      - uses: actions/checkout@v3
      - uses: cachix/install-nix-action@v27
        with:
          nix_path: nixpkgs=channel:nixos-unstable
      - uses: cachix/cachix-action@v15
        with:
          name: traxys
          authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
      - run: NIXPKGS_ALLOW_UNFREE=1 nix build --impure '.#${{ matrix.package }}'

  # This allows us to have a branch protection with matrix
  build-status:
    runs-on: ubuntu-latest
    needs: [build, check]
    if: always()
    steps:
      - name: Successful build
        if: ${{ !(contains(needs.*.result, 'failure')) }}
        run: exit 0
      - name: Failing build
        if: ${{ contains(needs.*.result, 'failure') }}
        run: exit 1