{
  description = "Nix Config";

  # ===================================================================== #
  # ============================== INPUTS =============================== #
  # ===================================================================== #
  inputs = {
    # ============= Official NixOS and HM Package Sources ============= #

    nixpkgs.url = "github:NixOS/nixpkgs/release-24.05";
    nixpkgs-unstable.url = "github:NixOS/nixpkgs/nixos-unstable"; # also see 'unstable-packages' overlay at 'overlays/default.nix"

    hardware.url = "github:nixos/nixos-hardware";

    home-manager = {
      url = "github:nix-community/home-manager/release-24.05";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    # =========================== Utilities =========================== #

    # -------------------------- Lanzaboote --------------------------- #
    lanzabote = {
      url = "github:nix-community/lanzaboote";
      inputs.nixpkgs.follows = "unstable";
    };

    # ------------ Declarative partitioning and formatting ------------ #
    disko = {
      url = "github:nix-community/disko";
      inputs.nixpkgs.follows = "nixpkgs";
    };


    # ------------- Secrets mngmt. C ./docs/secretsmgmt.md ------------ #
    sops-nix = {
      url = "github:mic92/sops-nix";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    # ------------------------------ VIM ------------------------------ #
    nixvim = {
      url = "github:nix-community/nixvim/nixos-24.05";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    # ------------------------ Windows manager ------------------------ #
     hyprland = {
       url = "github:hyprwm/hyprland";
       inputs.nixpkgs.follows = "nixpkgs";
     };
       hyprland-plugins = {
       url = "github:hyprwm/hyprland-plugins";
       inputs.hyprland.follows = "hyprland";
     };
     hyprland-themes = {
       url = "github:hyprwm/hyprland-themes";
       inputs.hyprland.follows = "hyprland";
     };
    # ------------------------------ ZSH ------------------------------ #
    nix-zsh-completions = {
      url = "github:nix-community/nix-zsh-completions";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    # -------------------------- Nix-Colors --------------------------- #
    # https://github.com/Misterio77/nix-colors
    nix-colors = {
      url = "github:misterio77/nix-colors";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    # ====================== Personal Repositories ====================== #

    # Private secrets repo.  See ./docs/secretsmgmt.md
    # Authenticate via ssh and use shallow clone
    nix-secrets = {
      url = "git+ssh://git@gitlab.com/emergentmind/nix-secrets.git?ref=main&shallow=1";
      flake = false;
    };
  };

  # ===================================================================== #
  # ============================== OUTPUTS ============================== #
  # ===================================================================== #
  outputs = { self, nixpkgs, home-manager, ... } @ inputs:
    let
      inherit (self) outputs;
      forAllSystems = nixpkgs.lib.genAttrs [
        "x86_64-linux"
        #"aarch64-darwin"
      ];
      inherit (nixpkgs) lib;
      configVars = import ./vars { inherit inputs lib; };
      configLib = import ./lib { inherit lib; };
      specialArgs = { inherit inputs outputs configVars configLib nixpkgs; };
    in
    {
      # ============================ CUSTOM ============================= #
      # ---------------------------- Modules ---------------------------- #
      # Custom modules to enable special functionality for nixos or home-manager oriented configs.
      nixosModules = import ./modules/nixos;
      homeManagerModules = import ./modules/home-manager;

      # ---------------------------- Overlays --------------------------- #
      # Custom modifications/overrides to upstream packages.
      overlays = import ./overlays { inherit inputs outputs; };

      # ---------------------------- Packages --------------------------- #
      # Custom packages to be shared or upstreamed.
      packages = forAllSystems
        (system:
          let pkgs = nixpkgs.legacyPackages.${system};
          in import ./pkgs { inherit pkgs; }
        );
      
      # ============================= Tools ============================= #
      # --------------------------- Formatter --------------------------- #
      # Nix formatter available through 'nix fmt' https://nix-community.github.io/nixpkgs-fmt
      formatter = forAllSystems
        (system:
          nixpkgs.legacyPackages.${system}.nixpkgs-fmt
        );

      # -------------------------- INIT Shell -------------------------- #
      # Shell configured with packages that are typically only needed when working on or with nix-config.
      devShells = forAllSystems
        (system:
          let pkgs = nixpkgs.legacyPackages.${system};
          in import ./shell.nix { inherit pkgs; }
        );

      # ======================= Configurations ========================== #
      #
      # Building configurations available through `just rebuild` or `nixos-rebuild --flake .#hostname`
    nixosConfigurations = {
        # Jedidiah - the 
        # jedidiah
        # The one who listened too much
        rehoboam = lib.nixosSystem {
          modules = [ ./system/rehoboam ];
          specialArgs = { inherit inputs outputs;};
        };
        # The rebel who worships the golden calf
        jeroboam = lib.nixosSystem {
          modules = [ ./systems/jeroboam ];
          specialArgs = { inherit inputs outputs;};
        }
        
      };

    homeConfigurations = {
      "sunzi@rehoboam" = lib.homeManagerConfiguration {
        modules = [ ./home/sunzi/rehoboam.nix ];
        pkgs = pkgsFor.x86_64-linux;
        extraSpecialArgs = {inherit inputs nix-colors outputs;};
      };
      "sunzi@jeroboam" = lib.homeManagerConfiguration {
        modules = [ ./home/sunzi/jeroboam.nix ];
        pkgs = pkgsFor.x86_64-linux;
        extraSpecialArgs = {inherit inputs nix-colors outputs;};
      };
      "laozi@rehoboam" = lib.homeManagerConfiguration {
        modules = [ ./home/laozi/rehoboam.nix ];
        pkgs = pkgsFor.x86_64-linux;
        extraSpecialArgs = {inherit inputs nix-colors outputs;};
      };
    };
  }
}