let
  inputs = import ./deps;
  nixpkgs = import inputs.nixpkgs { };
  lib = nixpkgs.lib.extend (import ./lib inputs);
  machines_plats = lib.lists.unique (lib.mapAttrsToList (_name: value: value.arch) (lib.filterAttrs (_n: v: builtins.hasAttr "arch" v) lib.luj.machines));
  mkMachine = import ./lib/mkmachine.nix inputs lib;

  nixpkgs_plats = builtins.listToAttrs (builtins.map
    (plat: {
      name = plat;
      value = import inputs.nixpkgs { system = plat; };
    })
    machines_plats);
in
rec {

  nixosModules = builtins.listToAttrs (map
    (x: {
      name = x;
      value = import (./modules + "/${x}");
    })
    (builtins.attrNames (builtins.readDir ./modules)));

  nixosConfigurations = builtins.mapAttrs
    (name: value: (mkMachine {
      host-config = value;
      modules = nixosModules;
      nixpkgs = lib.luj.machines.${name}.nixpkgs_version;
      system = lib.luj.machines.${name}.arch;
      home-manager = lib.luj.machines.${name}.hm_version;
    }))
    (lib.importConfig ./machines);


  colmena =
    let
      deployableConfigurations = lib.filterAttrs (_: v: builtins.hasAttr "ipv4" lib.luj.machines.${v.config.networking.hostName}) nixosConfigurations;
    in
    {
      meta = {
        nixpkgs = import inputs.nixpkgs { system = "x86_64-linux"; };
        nodeNixpkgs = builtins.mapAttrs (_: v: v.pkgs) deployableConfigurations;
        nodeSpecialArgs = builtins.mapAttrs (_: v: v._module.specialArgs) deployableConfigurations;
        specialArgs.lib = lib;
      };
    } // builtins.mapAttrs
      (_: v: {
        imports = v._module.args.modules;
      })
      deployableConfigurations;


  packages = builtins.listToAttrs
    (builtins.map
      (plat: {
        name = plat;
        value =
          lib.filterAttrs (_name: value: (!lib.hasAttrByPath [ "meta" "platforms" ] value) || builtins.elem plat value.meta.platforms)
            (builtins.listToAttrs (builtins.map
              (e: {
                name = e;
                value = nixpkgs_plats.${plat}.callPackage (./packages + "/${e}") { };
              })
              (builtins.attrNames (builtins.readDir ./packages))));
      })
      machines_plats);

  inherit (lib.luj) machines;

  checks = {
    inherit packages;
    machines = lib.mapAttrs (_: v: v.config.system.build.toplevel) nixosConfigurations;
  };
}