# SPDX-FileCopyrightText: 2024 Clicks Codes
#
# SPDX-License-Identifier: GPL-3.0-only

{
  lib,
  inputs,
  ...
}: {
  checks = pkgs: {
    nix-unit = pkgs.stdenv.mkDerivation {
      name = "run nix-unit";
      src = ./../..;
      buildPhase = let
        getSubInputs = prefix: inputs: lib.trivial.pipe inputs [
          (lib.attrsets.mapAttrsToList (name: value: [
            "--override-input ${prefix}${name} ${value.outPath}"
            (if value ? inputs
             then getSubInputs "${prefix}${name}/" value.inputs
             else [])
          ]))
          lib.lists.flatten
          (builtins.concatStringsSep " ")
        ];
        inputPathArgs = getSubInputs "" inputs;
      in ''
        export HOME="$(realpath .)"
        ${pkgs.lib.getExe pkgs.nix-unit} \
          --eval-store $HOME \
          --flake \
          --option extra-experimental-features flakes \
          --show-trace \
          ${inputPathArgs} \
          .#specs.${pkgs.system}
        touch $out
      '';
    };
  };
}