nixos/flake.nix

{
  description = "Evie's machine configurations";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
    home-manager = {
      url = "github:nix-community/home-manager";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    hyprland = {
      url = "github:hyprwm/Hyprland";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    doom-emacs.url = "git+https://git.xenia.me.uk/xenia/emacs.git";
    wallpapers.url = "git+https://git.xenia.me.uk/xenia/wallpapers.git";
    tokyonight = {
      url = "github:folke/tokyonight.nvim";
      flake = false;
    };
  };

  outputs = { self, nixpkgs, home-manager, hyprland, doom-emacs, wallpapers
    , tokyonight, }:
    let shell = "zsh";
    in {
      nixosConfigurations = let
        userConfig = {
          isNormalUser = true;
          description = "Evie Litherland-Smith";
          group = "users";
          extraGroups = [ "networkmanager" "wheel" "video" ];
          shell = pkgs.${shell};
          openssh.authorizedKeys.keys = import ./auth/authorized_keys.nix;
        };
        specialArgs = { inherit shell userConfig hyprland; };
        waybar-experimental-overlay = final: prev: {
          waybar = prev.waybar.overrideAttrs (oldAttrs: {
            mesonFlags = oldAttrs.mesonFlags ++ [ "-Dexperimental=true" ];
          });
        };
        system = "x86_64-linux";
        pkgs = import nixpkgs {
          inherit system;
          config.allowUnfree = true;
          overlays =
            [ waybar-experimental-overlay doom-emacs.outputs.overlay.default ];
        };
      in {
        Legion = let hostname = "Legion";
        in nixpkgs.lib.nixosSystem {
          inherit pkgs specialArgs;
          modules = [ ./hosts/${hostname}/configuration.nix ];
        };
        Vanguard = let hostname = "Vanguard";
        in nixpkgs.lib.nixosSystem {
          inherit pkgs specialArgs;
          modules = [ ./hosts/${hostname}/configuration.nix ];
        };
        Ronin = let hostname = "Ronin";
        in nixpkgs.lib.nixosSystem {
          inherit pkgs specialArgs;
          modules = [ ./hosts/${hostname}/configuration.nix ];
        };
      };
      homeConfigurations = let
        extraSpecialArgs = {
          inherit hyprland wallpapers tokyonight;
          shellConfig = ./home/shell/${shell}.nix;
        };
      in {
        # NixOS home configurations
        "xenia@Vanguard" = let
          hostname = "Vanguard";
          pkgs = self.nixosConfigurations.${hostname}.pkgs;
        in home-manager.lib.homeManagerConfiguration {
          inherit pkgs extraSpecialArgs;
          modules = [ ./hosts/${hostname}/home.nix ];
        };
        "xenia@Legion" = let
          hostname = "Legion";
          pkgs = self.nixosConfigurations.${hostname}.pkgs;
        in home-manager.lib.homeManagerConfiguration {
          inherit pkgs extraSpecialArgs;
          modules = [ ./hosts/${hostname}/home.nix ];
        };
        "elitherl@Ronin" = let
          hostname = "Ronin";
          pkgs = self.nixosConfigurations.${hostname}.pkgs;
        in home-manager.lib.homeManagerConfiguration {
          inherit pkgs extraSpecialArgs;
          modules = [
            ./hosts/${hostname}/home.nix
            doom-emacs.outputs.homeManagerModules.default
          ];
        };
        # Legacy home configurations
        "tux@Monarch" = let
          hostname = "Monarch";
          system = "aarch64-darwin";
          pkgs = nixpkgs.legacyPackages.${system};
        in home-manager.lib.homeManagerConfiguration {
          inherit pkgs extraSpecialArgs;
          modules = [
            ./hosts/${hostname}/home.nix
            doom-emacs.outputs.homeManagerModules.default
          ];
        };
      };
    };
}