# NOTE(starter): this is the primary user across all hosts. The username for primary is defined in hostSpec,
# and is declared in `nix-config/common/core/default.nix`
# User config applicable to both nixos and darwin
{
  inputs,
  pkgs,
  config,
  lib,
  ...
}: let
  hostSpec = config.hostSpec;
  pubKeys = lib.filesystem.listFilesRecursive ./keys;
in
  {
    users.users.${hostSpec.username} = {
      name = hostSpec.username;
      shell = pkgs.fish; # default shell

      # These get placed into /etc/ssh/authorized_keys.d/<name> on nixos
      openssh.authorizedKeys.keys = lib.lists.forEach pubKeys (key: builtins.readFile key);
    };

    # Create ssh sockets directory for controlpaths when homemanager not loaded (i.e. isMinimal)
    systemd.tmpfiles.rules = let
      user = config.users.users.${hostSpec.username}.name;
      group = config.users.users.${hostSpec.username}.group;
    in
      # you must set the rule for .ssh separately first, otherwise it will be automatically created as root:root and .ssh/sockects will fail
      [
        "d /home/${hostSpec.username}/.ssh 0750 ${user} ${group} -"
        "d /home/${hostSpec.username}/.ssh/sockets 0750 ${user} ${group} -"
      ];

    # No matter what environment we are in we want these tools
    programs.fish.enable = true;
    environment.systemPackages = [
      pkgs.just
      pkgs.rsync
    ];
  }
  # Import the user's personal/home configurations, unless the environment is minimal
  // lib.optionalAttrs (inputs ? "home-manager") {
    home-manager = {
      extraSpecialArgs = {
        inherit pkgs inputs;
        hostSpec = config.hostSpec;
      };
      users.${hostSpec.username}.imports = lib.flatten (
        lib.optional (!hostSpec.isMinimal) [
          (
            {config, ...}:
              import (lib.custom.relativeToRoot "home/${hostSpec.username}/${hostSpec.hostName}.nix") {
                inherit
                  pkgs
                  inputs
                  config
                  lib
                  hostSpec
                  ;
              }
          )
        ]
      );
    };
  }