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";
    };
    wallpapers.url = "git+https://git.xenia.me.uk/xenia/wallpapers.git";
    neovim-nightly-overlay = {
      url = "github:nix-community/neovim-nightly-overlay";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    hyprland = {
      url = "github:hyprwm/Hyprland";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  outputs = {
    self,
    nixpkgs,
    home-manager,
    ...
  } @ inputs: {
    nixosConfigurations = let
      userConfig = {
        isNormalUser = true;
        description = "Evie Litherland-Smith";
        group = "users";
        extraGroups = ["networkmanager" "wheel" "video"];
        shell = pkgs.fish;
        openssh.authorizedKeys.keys = import ./auth/authorized_keys.nix;
      };
      specialArgs = {inherit inputs userConfig;};
      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
          inputs.neovim-nightly-overlay.overlay
        ];
      };
    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/${hostname}/configuration.nix];
        };
    };
    homeConfigurations = let
      extraSpecialArgs = {inherit inputs;};
    in {
      # NixOS home configurations
      "xenia@Vanguard" = let
        hostname = "Vanguard";
        pkgs = self.nixosConfigurations.${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/${hostname}/home.nix];
        };
      # Legacy home configurations
      "tux@Monarch" = let
        hostname = "Monarch";
        system = "aarch64-darwin";
        pkgs = nixpkgs.legacyPackages.${system};
      in
        home-manager.lib.homeManagerConfiguration {
          inherit pkgs extraSpecialArgs;
          modules = [./hosts/${hostname}/home.nix];
        };
    };
  };
}