nixos/flake.nix

{
  description = "Evie's machine configurations";

  nixConfig = {
    extra-substituters = ["https://nix.xenia.me.uk"];
    extra-trusted-public-keys = ["nix.xenia.me.uk:tlgwOaG5KMLjQUk2YaErS8mAG69ZCr3PaHXZYi+Y5eI="];
  };

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-24.05";
    home-manager = {
      url = "github:nix-community/home-manager/release-24.05";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    iosevka-custom.url = "git+https://git.xenia.me.uk/pixelifytica/iosevka.git";
    base16.url = "github:SenchoPens/base16.nix";
    tt-schemes = {
      url = "github:tinted-theming/schemes";
      flake = false;
    };
  };

  outputs = {
    nixpkgs,
    home-manager,
    iosevka-custom,
    base16,
    tt-schemes,
    ...
  }: let
    defaultSpecialArgs = {system ? "x86_64-linux", ...}: {
      iosevkaCustom = {
        packages = iosevka-custom.outputs.packages.${system};
        names = iosevka-custom.outputs.names;
      };
    };
    defaultExtraSpecialArgs = {system}: let
      iosevkaCustom = {
        packages = iosevka-custom.outputs.packages.${system};
        names = iosevka-custom.outputs.names;
      };
    in {
      inherit iosevkaCustom;
      accentColourName = "base0E";
      fonts = with iosevkaCustom; rec {
        sizes = {
          applications = 12;
          desktop = 10;
          popups = 14;
          terminal = 12;
        };
        serif = sansSerif;
        sansSerif = {
          name = names.iosevka-custom-aile;
          package = packages.iosevka-custom-aile;
        };
        monospace = {
          name = names.iosevka-custom-nerdfont;
          package = packages.iosevka-custom-nerdfont;
        };
      };
    };
    defaultModules = {
      system ? "x86_64-linux",
      username ? "pixelifytica",
      hostName ? "Atlas",
      loginShell ? "zsh",
      ...
    }: [
      home-manager.nixosModules.home-manager
      ./system/default.nix
      ./system/${hostName}.nix
      ./system/hardware-configuration/${hostName}.nix
      ({
        config,
        lib,
        pkgs,
        ...
      }: {
        networking = {inherit hostName;};
        nix.settings.trusted-users = [username];
        services.greetd.settings.initial_session.user = username;
        programs.${loginShell}.enable = true;
        users.users.${username} = {
          shell = pkgs.${loginShell};
          group = "users";
          isNormalUser = true;
          description = "Evie Litherland-Smith";
          extraGroups = ["networkmanager" "wheel" "video" "input" "uinput"];
          initialHashedPassword = "$y$j9T$tHIPQt09Kf3KH2eIRze3g/$2mwSlcq27DTGvHNPJ5EP9/1CfL3bXP0F6oS/Vuffmn3";
          openssh = {inherit (config.users.users.root.openssh) authorizedKeys;};
        };
        home-manager = {
          extraSpecialArgs = defaultExtraSpecialArgs {inherit system;};
          useGlobalPkgs = true;
          useUserPackages = true;
          backupFileExtension = "backup";
          users.${username} = {
            imports = [
              base16.homeManagerModule
              {scheme = "${tt-schemes}/base16/one-light.yaml";}
              ./home/default.nix
              ./home/${hostName}.nix
            ];
            home = {
              inherit username;
              homeDirectory = "/home/${username}";
              stateVersion = "23.05";
            };
            programs.home-manager.enable = true;
            nixpkgs.config.allowUnfree = true;
          };
        };
      })
    ];
  in {
    devShells.x86_64-linux.default = let
      pkgs = import nixpkgs {system = "x86_64-linux";};
    in
      pkgs.mkShellNoCC {
        packages = with pkgs; [nil pre-commit];
        shellHook = "pre-commit install --install-hooks";
      };
    nixosConfigurations = {
      ## Server
      Legion = let
        system = "x86_64-linux";
        username = "pixelifytica";
        hostName = "Legion";
        loginShell = "zsh";
      in
        nixpkgs.lib.nixosSystem {
          specialArgs = defaultSpecialArgs {inherit system;};
          modules = defaultModules {inherit system username hostName loginShell;};
        };
      ## Personal
      Northstar = let
        system = "x86_64-linux";
        username = "pixelifytica";
        hostName = "Northstar";
        loginShell = "zsh";
      in
        nixpkgs.lib.nixosSystem {
          specialArgs = defaultSpecialArgs {inherit system;};
          modules = defaultModules {inherit system username hostName loginShell;};
        };
      Vanguard = let
        system = "x86_64-linux";
        username = "pixelifytica";
        hostName = "Vanguard";
        loginShell = "zsh";
      in
        nixpkgs.lib.nixosSystem {
          specialArgs = defaultSpecialArgs {inherit system;};
          modules = defaultModules {inherit system username hostName loginShell;};
        };
      ## Work
      Tone = let
        system = "x86_64-linux";
        username = "elitherl";
        hostName = "Tone";
        loginShell = "zsh";
      in
        nixpkgs.lib.nixosSystem {
          specialArgs = defaultSpecialArgs {inherit system;};
          modules = defaultModules {inherit system username hostName loginShell;};
        };
      Scorch = let
        system = "x86_64-linux";
        username = "elitherl";
        hostName = "Scorch";
        loginShell = "zsh";
      in
        nixpkgs.lib.nixosSystem {
          specialArgs = defaultSpecialArgs {inherit system;};
          modules = defaultModules {inherit system username hostName loginShell;};
        };
    };
  };
}