{ config, pkgs, lib, ... }:
let
  cfg = config.services.charm;
in {
  options.services.charm = {
    enable = lib.mkEnableOption "Charm cloud server";
  };
  config = lib.mkIf cfg.enable {
    systemd.services.charm = {
      wantedBy = [ "multi-user.target" ];
      after = [ "network.target" ];
      description = "The Cloud";
      serviceConfig = {
        DynamicUser = true;
        ExecStart = ''${pkgs.charm}/bin/charm serve'';
        Restart = "always";
        Type = "simple";
        RestartSec = 1;
        Environment = {
          # TODO: Expand module a bit
          # https://github.com/charmbracelet/charm#server-settings
          CHARM_SERVER_DATA_DIR = "/var/lib/charm";
          # CHARM_SERVER_USER_MAX_STORAGE = "";
        };
        StateDirectory = "charm";
        WorkingDirectory = "/var/lib/charm";
      };
    };
  };
}