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path: root/modules/kfmon/default.nix
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{ config, pkgs, lib, ... }:
with builtins // lib;
let
  cfg = config.kfmon;
  ini = pkgs.formats.ini {};
in {
  options.kfmon = {
    enable = mkEnableOption "KFMon";

    package = mkPackageOption pkgs "kfmon" {};

    path = mkOption {
      type = types.str;
      readOnly = true;
      internal = true;
      default = ".adds/kfmon";
    };

    devicePath = mkOption {
      type = types.str;
      readOnly = true;
      internal = true;
      default = "/mnt/onboard/${cfg.path}";
    };

    file = mkOption {
      default = {};
      type = types.attrsOf (types.submodule (pkgs.callPackage ../lib/file-type.nix {}));
      apply = filterAttrs (_: v: v.enable);
    };

    _allFiles = mkOption {
      type = types.package;
      internal = true;
      readOnly = true;
      default = pkgs.symlinkJoin {
        name = "kfmon-files";
        paths = mapAttrsToList (v: v._package) cfg.file;
      };
    };

    configs = mkOption {
      type = types.attrsOf ini.type;
      default = {};
      description = ''
        KFMon .ini config files. Do not touch this unless you know what you're doing!
      '';
    };
  };

  config = mkMerge [
    {
      kfmon.file = mapAttrs' (n: v: {
        name = "kfmon-config-${n}";
        value = {
          text = generators.toINI {} v;
          target =
            let
              fixedN = if isSuffix ".ini" n then n else "${n}.ini";
            in "config/${fixedN}";
        };
      });
    }
    (mkIf cfg.enable {
      koboroot.include = [
        (pkgs.linkFarm [{
          name = cfg.devicePath;
          path = cfg._allFiles;
        }])
        cfg.package.KoboRoot
      ];
    })
  ];
}