# Fg42 - Emacs Editor for advance users
#
# Copyright (c) 2010-2024 Sameer Rahmani <lxsameer@gnu.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, version 2.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

# This is the home manager module that exposes FG42. It differs
# from FG42 modules that are structurally the same but used in
# different context
{ config, lib, pkgs, ... }:
with lib;
let
  cfg = config.programs.fg42;
  defaultModules = pkgs.callPackage ../modules { };
in
{
  meta.maintainers = [ (import ../maintainers.nix { }).lxsameer ];

  options = {
    enable = mkEnableOption "FG42";

    extraModules = mkOption {
      type = types.listOf types.submodule;
      default = cfg.defaultModules ++ cfg.extraModules;
      defaultText = literalExpression "[]";
      example = literalExpression ''
        extraModules = [
           ./any-fg42-module-youwant.nix
        ];
      '';
    };

    modules = mkOption {
      type = types.listOf types.deferredModule;
      default = cfg.defaultModules ++ cfg.extraModules;
      defaultText = literalExpression "[]";
      example = literalExpression ''
        modules = [
           ./any-fg42-module-youwant.nix
        ];
      '';
    };


    finalPackage = mkOption {
      type = types.package;
      visible = false;
      readOnly = true;
      description = ''
        The Emacs package including any overrides and extra packages.
      '';
    };

    config = mkIf cfg.enable {
      home.packages = [ cfg.finalPackage ];
      programs.fg42.finalPackage = pkgs.callPackage ../fg42 {
        modules = cfg.modules ++ cfg.extraModules;
      };
    };
  };
}