{ config, pkgs, lib, ... }:
with lib;
with types;
let
  mkMagicMergeOption = { description ? "", example ? { }, default ? { }, apply ? id, ... }:
    mkOption {
      inherit example description default apply;
      type = with lib.types;
        let
          valueType = nullOr
            (oneOf [
              bool
              int
              float
              str
              (attrsOf valueType)
              (listOf valueType)
            ]) // {
            description = "bool, int, float or str";
            emptyValue.value = { };
          };
        in
        valueType;
    };
in

{
  options.components.gui.taskwarrior.enable = mkOption {
    type = bool;
    default = config.components.gui.enable;
  };

  options.components.gui.taskwarrior.config = mkMagicMergeOption {
    type = attrs;
    default = { };
  };

  config = mkIf (config.components.gui.taskwarrior.enable) {

    environment.systemPackages = with pkgs; [

      unstable.taskwarrior-tui
      taskwarrior
      timewarrior
      tasksh
      (pkgs.writeShellScriptBin "tsak" ''${pkgs.taskwarrior}/bin/task "$@"'')

      (pkgs.writers.writeBashBin "calendar" ''
        ${pkgs.taskwarrior}/bin/task calendar
        ${pkgs.taskwarrior}/bin/task calendar_report
      '')

      unstable.vit
      (pkgs.writers.writeBashBin "active" "${vit}/bin/vit active")
      (pkgs.writers.writeBashBin "todo" "${vit}/bin/vit todo")

      taskwarrior-hooks
      vdirsyncer
      khal
      (pkgs.writers.writeBashBin "kalendar" ''
        ${pkgs.vdirsyncer}/bin/vdirsyncer sync
        ${pkgs.khal}/bin/ikhal
      '')

      # todo : before deleting this, put it in trilium
      (python3Packages.bugwarrior.overrideAttrs (old: {
        version = "develop";
        src = pkgs.fetchFromGitHub {
          owner = "ralphbean";
          repo = "bugwarrior";
          rev = "eb19a702a698f9c8c3ce2a1fe41f35872d9ae398";
          sha256 = "sha256-Geon+ddE58WJ10L4unotzvmZj1Ye0yjZHVQgrR2YWgE=";
        };
        propagatedBuildInputs = old.propagatedBuildInputs ++ [
          python3Packages.pydantic
          python3Packages.tomli
          python3Packages.email-validator
          python3Packages.packaging
        ];
      }))
    ];

    #home-manager.users.mainUser.home.file.".config/bugwarrior/bugwarriorrc".source = ./bugwarriorc.ini;
    #home-manager.users.mainUser.home.file.".config/bugwarrior/bugwarriorrc".source = (pkgs.formats.toml { }).generate "bugwarriorrc.toml" config.components.gui.taskwarrior.config;
    home-manager.users.mainUser.home.file.".config/bugwarrior/bugwarrior.toml".source = (pkgs.formats.toml { }).generate "bugwarriorrc.toml" config.components.gui.taskwarrior.config;

  };

}