{ lib, ... }:
{
  loadHosts = hostsPath:
    let
      rakeLeaves = dirPath:
        # Adapted from digga (https://github.com/divnix/digga/blob/main/src/importers.nix)
        # This version does not support nested hosts; your host derivation must either reside in hosts/<hostname>.nix or hosts/<hostname>/default.nix
        let
          seive = file: type:
            (type == "regular" && lib.hasSuffix ".nix" file) || (type == "directory");
          collect = file: type: {
            name = lib.removeSuffix ".nix" file;
            value =
              let
                path = dirPath + "/${file}";
              in
                if (type == "regular") || (type == "directory" && builtins.pathExists (path + "/default.nix"))
                then path
                else throw "Your host must be a file named <hostname>.nix or a directory named <hostname> with a default.nix file in it";
          };
          files = lib.filterAttrs seive (builtins.readDir dirPath);
        in
          lib.filterAttrs (n: v: v != {}) (lib.mapAttrs' collect files);
    in
    {
      nixosConfigurations = lib.mapAttrs
        (name: value:
          import value {
            utils = import ./. {
              inherit lib;
            };
          }
        ) (rakeLeaves hostsPath);
    };
}

{ channel, ... }:
{
  mkHost = { channel, allowUnfree ? true, sys, features }:
    # Adapted from https://github.com/wiltaylor/dotfiles/blob/master/lib/host.nix
    # let
    #   pkgs = import channel {
    #     system = sys;
    #     config = {
    #       inherit allowUnfree;
    #     };
    #   };
    # in
    channel.lib.nixosSystem {
      system = sys;
      modules = [];
    };
}

{ channel, lib, ... }:
{
  utils = import ./utils.nix { inherit lib; };
  host = import ./host.nix { inherit channel; };
}

{ channel, utils, ... }:
  utils.mkHost {
    inherit channel;
    sys = "x86_64-linux";
    features = [];
  }

{
  description = "jmc-figueira's Delightful Declarative Dotfiles Deluxe";
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
    # nixpkgs-master.url = "github:NixOS/nixpkgs/master";
    home-manager.url = "github:nix-community/home-manager";
    home-manager.inputs.nixpkgs.follows = "nixpkgs";
    nur.url = "github:nix-community/NUR";
    impermanence.url = "github:nix-community/impermanence";
  };
  outputs = { self, nixpkgs, home-manager, nur, impermanence }:
    let
      utils = import ./lib {
        inherit (nixpkgs) lib;
      }.utils;
    in
      utils.loadHosts ./hosts;
}

{
  "nodes": {
    "home-manager": {
      "inputs": {
        "nixpkgs": [
          "nixpkgs"
        ]
      },
      "locked": {
        "lastModified": 1635808137,
        "narHash": "sha256-UE/AYGHzp3PTvNjYaWaCmhRxkUJGUqh6vSQ7Yv8vNrs=",
        "owner": "nix-community",
        "repo": "home-manager",
        "rev": "21590d40c1575ff77c96bbb0c7b151cfa788e100",
        "type": "github"
      },
      "original": {
        "owner": "nix-community",
        "repo": "home-manager",
        "type": "github"
      }
    },
    "impermanence": {
      "locked": {
        "lastModified": 1635517258,
        "narHash": "sha256-8iV8f9eZ/5cE0DmG7VmNSiCqpe00yL5HbOO7nZJm1Oo=",
        "owner": "nix-community",
        "repo": "impermanence",
        "rev": "ce77ed9bd069e57a7a688d360196e576ca63a842",
        "type": "github"
      },
      "original": {
        "owner": "nix-community",
        "repo": "impermanence",
        "type": "github"
      }
    },
    "nixpkgs": {
      "locked": {
        "lastModified": 1635702959,
        "narHash": "sha256-ZKxX9DjJJGJqq20pE4dIj1G4ssCLVXXRFerM6lNuF0k=",
        "owner": "NixOS",
        "repo": "nixpkgs",
        "rev": "e544ee88fa4590df75e221e645a03fe157a99e5b",
        "type": "github"
      },
      "original": {
        "owner": "NixOS",
        "ref": "nixos-unstable",
        "repo": "nixpkgs",
        "type": "github"
      }
    },
    "nur": {
      "locked": {
        "lastModified": 1635820896,
        "narHash": "sha256-DZZLlyggR182XQUnJgmknFJxxYdMLabYK0v0/jV2z6s=",
        "owner": "nix-community",
        "repo": "NUR",
        "rev": "1855a9f4945cc24d2011d093b7f4f4efb388bc7b",
        "type": "github"
      },
      "original": {
        "owner": "nix-community",
        "repo": "NUR",
        "type": "github"
      }
    },
    "root": {
      "inputs": {
        "home-manager": "home-manager",
        "impermanence": "impermanence",
        "nixpkgs": "nixpkgs",
        "nur": "nur"
      }
    }
  },
  "root": "root",
  "version": 7
}