{
  description = "System Configuration @ cswimr 2024";
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
    home-manager = {
      url = "github:nix-community/home-manager/master";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    nur = {
      url = "github:nix-community/NUR";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    plasma-manager = {
      url = "github:nix-community/plasma-manager";
      inputs.nixpkgs.follows = "nixpkgs";
      inputs.home-manager.follows = "home-manager";
    };
    sops-nix = {
      url = "github:Mic92/sops-nix";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    lanzaboote = {
      url = "github:nix-community/lanzaboote/v0.4.1";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    nix-flatpak.url = "github:gmodena/nix-flatpak";
    nixvim = {
      url = "github:nix-community/nixvim";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    nix-index-database = {
      url = "github:nix-community/nix-index-database";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    compose2nix = {
      url = "github:aksiksi/compose2nix";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    nix-vscode-extensions.url = "github:nix-community/nix-vscode-extensions";
    catppuccin-vsc.url = "https://flakehub.com/f/catppuccin/vscode/*.tar.gz";
  };
  outputs =
    {
      self,
      nixpkgs,
      home-manager,
      ...
    }@inputs:
    let
      user = "cswimr";
      system = "x86_64-linux";
      pkgs = import nixpkgs {
        inherit system;
        overlays = [
          inputs.catppuccin-vsc.overlays.default
          inputs.nur.overlays.default
        ];
        config.allowUnfree = true;
      };
    in
    {
      nixosConfigurations = {
        eclipse = nixpkgs.lib.nixosSystem {
          system = system;
          specialArgs = {
            inherit inputs;
            inherit pkgs;
            system = system;
            hostname = "eclipse";
            user = user;
          };
          modules = [
            # imports
            ./hosts/eclipse.nix
            ./nixos/catppuccin.nix
            ./nixos/configuration.nix
            ./nixos/development.nix
            ./nixos/environment.nix
            ./nixos/flatpak.nix
            ./nixos/gaming.nix
            ./nixos/git.nix
            ./nixos/gui-pkgs.nix
            ./nixos/nvidia.nix
            ./nixos/nvim.nix
            ./nixos/pkg.nix
            ./nixos/shell.nix
            ./nixos/sops.nix
            ./nixos/sudo.nix
            ./nixos/symlinks.nix
            ./nixos/tailscale.nix
            ./nixos/tpm.nix

            {
              # enable bluetooth
              hardware.bluetooth.enable = true;
            }

            inputs.sops-nix.nixosModules.sops
            inputs.nixvim.nixosModules.nixvim
            inputs.nur.modules.nixos.default
            inputs.nix-flatpak.nixosModules.nix-flatpak

            inputs.lanzaboote.nixosModules.lanzaboote
            (
              { lib, ... }:
              {
                boot.loader.systemd-boot.enable = lib.mkForce false;
                boot.lanzaboote = {
                  enable = true;
                  pkiBundle = "/etc/secureboot";
                };
              }
            )

            inputs.nix-index-database.nixosModules.nix-index
            { programs.nix-index-database.comma.enable = true; }

            # Home Manager
            home-manager.nixosModules.home-manager
            {
              home-manager = {
                useGlobalPkgs = true;
                useUserPackages = true;
                sharedModules = [
                  inputs.nur.modules.homeManager.default
                  inputs.plasma-manager.homeManagerModules.plasma-manager
                ];
                backupFileExtension = "bak";
                extraSpecialArgs = {
                  inherit inputs;
                  inherit pkgs;
                  system = system;
                  hostname = "eclipse";
                  user = user;
                };
                users.${user} = {
                  imports = [
                    ./home-manager/browser.nix
                    ./home-manager/plasma.nix
                    ./home-manager/tpm.nix
                    ./home-manager/user.nix
                    ./home-manager/vscode.nix
                    {
                      programs.git.extraConfig.user.signingkey = "0EC431A8DA8F8087";
                    }
                  ];
                };
              };
            }
          ];
        };

        nebula = nixpkgs.lib.nixosSystem {
          system = system;
          specialArgs = {
            inherit inputs;
            inherit pkgs;
            system = system;
            hostname = "nebula";
          };
          modules = [
            # imports
            ./hosts/nebula.nix
            ./nixos/catppuccin.nix
            ./nixos/configuration.nix
            ./nixos/development.nix
            ./nixos/environment.nix
            ./nixos/gaming.nix
            ./nixos/git.nix
            ./nixos/gui-pkgs.nix
            ./nixos/nvim.nix
            ./nixos/pkg.nix
            ./nixos/shell.nix
            ./nixos/sudo.nix
            ./nixos/symlinks.nix
            ./nixos/tailscale.nix

            {
              # enable bluetooth
              hardware.bluetooth.enable = true;
            }

            inputs.nixvim.nixosModules.nixvim
            inputs.nix-flatpak.nixosModules.nix-flatpak

            # Home Manager
            home-manager.nixosModules.home-manager
            {
              home-manager = {
                useGlobalPkgs = true;
                useUserPackages = true;
                sharedModules = [ inputs.plasma-manager.homeManagerModules.plasma-manager ];
                backupFileExtension = "bak";
                extraSpecialArgs = {
                  inherit inputs;
                  inherit pkgs;
                  system = system;
                  hostname = "nebula";
                  user = user;
                };
                users.${user} = {
                  imports = [
                    ./home-manager/plasma.nix
                    ./home-manager/user.nix
                    ./home-manager/vscode.nix
                    {
                      programs.git.extraConfig.user.signingkey = "082F226A1D8C0860";
                    }
                  ];
                };
              };
            }
          ];
        };
      };
    };

}