{
  description = "My NixOS configuration";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-24.05";
    nixpkgs-unstable.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
    nur.url = "github:nix-community/NUR";
    nixos-hardware.url = "github:NixOS/nixos-hardware/master";
    stylix.url = "github:pizzapim/stylix/release-24.05";
    treefmt-nix.url = "github:numtide/treefmt-nix";

    nix-index-database = {
      url = "github:nix-community/nix-index-database";
      inputs.nixpkgs.follows = "nixpkgs";
    };

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

    lanzaboote = {
      url = "github:nix-community/lanzaboote/v0.3.0";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    disko = {
      url = "github:nix-community/disko";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    nixos-artwork = {
      type = "git";
      url = "https://github.com/NixOS/nixos-artwork.git";
      flake = false;
    };

    sops-nix = {
      url = "github:Mic92/sops-nix";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    # nixpkgs-cosmic.follows = "nixos-cosmic/nixpkgs-stable";
    nixos-cosmic = {
      url = "github:lilyinstarlight/nixos-cosmic";
      inputs.nixpkgs-stable.follows = "nixpkgs";
    };
  };

  outputs = {
    self,
    nixpkgs,
    ...
  } @ inputs: let
    supportedSystems = [
      "x86_64-linux"
      "i686-linux"
      "aarch64-linux"
    ];
    forAllSystems' = nixpkgs.lib.genAttrs;
    forAllSystems = forAllSystems' supportedSystems;
    pkgsForSystem = system:
      import nixpkgs {
        inherit system;
      };

    treefmtEval = forAllSystems (
      system: inputs.treefmt-nix.lib.evalModule (pkgsForSystem system) ./treefmt.nix
    );

    mkNixosSystem = {
      extraModule,
      nixpkgs' ? nixpkgs,
      useDefaultConfiguration ? true,
    }:
      nixpkgs'.lib.nixosSystem rec {
        system = "x86_64-linux";

        specialArgs = {
          inherit inputs system;
          flake = self;
        };

        modules =
          [
            extraModule
          ]
          ++ nixpkgs'.lib.optional useDefaultConfiguration ./nixos;
      };
  in {
    formatter = forAllSystems (system: (treefmtEval.${system}.config.build.wrapper));

    nixosConfigurations = {
      sue-cosmic = mkNixosSystem {
        useDefaultConfiguration = false;
        extraModule = {...}: {
          imports = [
            inputs.nixos-hardware.nixosModules.dell-xps-13-9310
            inputs.nixos-cosmic.nixosModules.default
            ./modules/nixos/lanzaboote.nix
          ];

          config = {
            nixpkgs.config.allowUnfree = true;
            nix.settings = {
              substituters = ["https://cosmic.cachix.org/"];
              trusted-public-keys = ["cosmic.cachix.org-1:Dya9IyXD4xdBehWjrkPv6rtxpmMdRel02smYzA85dPE="];
            };

            users = {
              users.pim = {
                isNormalUser = true;
                extraGroups = ["wheel" "docker" "input" "wireshark" "dialout"];
              };
            };

            services.desktopManager.cosmic.enable = true;
            services.displayManager.cosmic-greeter.enable = true;

            pim.lanzaboote.enable = true;
            networking.hostName = "xps-9315";
            swapDevices = [{device = "/dev/disk/by-uuid/96a43c35-0174-4e92-81f0-168a5f601f0b";}];

            fileSystems = {
              "/" = {
                device = "/dev/disk/by-uuid/31638735-5cc4-4013-8037-17e30edcbb0a";
                fsType = "ext4";
              };

              "/boot" = {
                device = "/dev/disk/by-uuid/560E-F8A2";
                fsType = "vfat";
                options = ["fmask=0022" "dmask=0022"];
              };
            };

            boot.initrd.luks.devices."luks-8ffd3129-4908-4209-98c4-4eb68a35c494".device = "/dev/disk/by-uuid/8ffd3129-4908-4209-98c4-4eb68a35c494";
            boot.initrd.availableKernelModules = ["xhci_pci" "thunderbolt" "vmd" "nvme" "usb_storage"];
          };
        };
      };

      sue = mkNixosSystem {
        extraModule = {...}: {
          imports = [inputs.nixos-hardware.nixosModules.dell-xps-13-9310];

          config = {
            pim.lanzaboote.enable = true;
            networking.hostName = "xps-9315";
            swapDevices = [{device = "/dev/disk/by-uuid/96a43c35-0174-4e92-81f0-168a5f601f0b";}];
            fileSystems = {
              "/" = {
                device = "/dev/disk/by-uuid/31638735-5cc4-4013-8037-17e30edcbb0a";
                fsType = "ext4";
              };

              "/boot" = {
                device = "/dev/disk/by-uuid/560E-F8A2";
                fsType = "vfat";
                options = ["fmask=0022" "dmask=0022"];
              };
            };

            nix.settings = {
              substituters = ["https://cosmic.cachix.org/"];
              trusted-public-keys = ["cosmic.cachix.org-1:Dya9IyXD4xdBehWjrkPv6rtxpmMdRel02smYzA85dPE="];
            };

            boot.initrd.luks.devices."luks-8ffd3129-4908-4209-98c4-4eb68a35c494".device = "/dev/disk/by-uuid/8ffd3129-4908-4209-98c4-4eb68a35c494";
            boot.initrd.availableKernelModules = ["xhci_pci" "thunderbolt" "vmd" "nvme" "usb_storage"];
          };
        };
      };
    };
  };
}