{ lib, config, pkgs, ... }:

let
  service = "repo-clone";
  cfg = config.repo-clone;

  inherit (lib) mkIf mkOption mkEnableOption types;
  inherit (lib.strings) concatStringsSep;
  inherit (lib.attrsets) mapAttrsToList;

  inherit (pkgs) writeShellScriptBin writeText;
in
{
  options.${service} = {
    enable = mkEnableOption "${service} service";

    repos = mkOption {
      type = import ./repo.nix { inherit lib; };
      description = ''
        attrs of repos to clone
      '';
      default = { };
    };

    pkg = mkOption {
      type = types.package;
    };
  };


  # /nix/store/pxd7wc8icz577hpl6pmz02b74nhbrj6h-unit-home-manager-ravenshade.service/home-manager-ravenshade.service
  config = mkIf cfg.enable {
    systemd.user.services.${service} = {
      Unit.Description = "${service} service";
      Service = {
        Type = "exec";
        ExecStart =
          let
            execName = service;
            script = writeShellScriptBin execName ''
              echo "hello!"
              echo "${config.repo-clone.pkg}"
            '';
          in
          "${script}/bin/${execName}";
        RemainAfterExit = "yes";
      };
      Install.WantedBy = [ "multi-user.target" ];
    };

    repo-clone.pkg = writeText "${service}.conf"
      (concatStringsSep "\n"
        (mapAttrsToList (target: settings: "${target} ${settings.url}") cfg.repos));
  };
}