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

with lib;

let

  cfg = config.programs.custom.taskwarrior;

  taskNextWeek = pkgs.writeShellScriptBin "taskweek" /* sh */ ''
  ${pkgs.taskwarrior}/bin/task \
                      export \
                      status:pending and \( due.before:6days \) \
      | ${pkgs.jq}/bin/jq '[.[] | { Day: .due, ID: .id, Description: .description } ] | sort_by(.Day)' \
      | ${pkgs.miller}/bin/mlr --ijson --opprint put "\$Day = strftime(strptime(\$Day,\"%Y%m%dT%H%M%SZ\")$(date +%z)00,\"%A\")"
  '';

  tsak = pkgs.writeShellScriptBin "tsak" /* sh */ ''
  ${pkgs.taskwarrior}/bin/task "$@"
  '';

in {

  options.programs.custom.taskwarrior.enable = mkEnableOption "Enable Taskwarrior services";

  config = mkIf cfg.enable {

    environment.systemPackages = with pkgs; [
      taskwarrior
      timewarrior
      tasksh
      taskNextWeek
      tsak

      python # needed for hooks
    ];

  };

}