{pkgs, ...}: let
  numbers = ["0" "1" "2" "3" "4" "5" "6" "7" "8" "9"];
  mkNumberedCommand = {
    command_template,
    prefix,
    number,
    desc_template,
  }: {
    key = "${prefix}${number}";
    action.__raw = ''
      function()
        ${command_template number}
      end
    '';
    options.desc = "${desc_template number}";
  };
  mkGotoTerminalCommand = number: let
    desc_template = number: "Goto terminal number ${number}";
    command_template = number: ''require("harpoon.term").gotoTerminal(${number})'';
    prefix = "gt";
  in
    mkNumberedCommand {inherit desc_template command_template prefix number;};
  mkGotoFileCommand = number: let
    desc_template = number: "Goto Buffer number ${number}";
    command_template = number: ''require("harpoon.ui").nav_file(${number})'';
    prefix = "gf";
  in
    mkNumberedCommand {inherit desc_template command_template prefix number;};

  gotoTerminalMappings = builtins.map mkGotoTerminalCommand numbers;
  gotoFileMappings = builtins.map mkGotoFileCommand numbers;
in {
  programs.nixvim = {
    plugins.harpoon = {
      enable = true;
      package = pkgs.vimExtraPlugins.harpoon;
      enableTelescope = true;
      # menu.width = "vim.api.nvim_win_get_width(0) - 4"; # TODO: integrate that
      keymaps = {
        tmuxGotoTerminal = null; # TODO:
      };
    };
    keymaps =
      [
        {
          key = "-";
          action.__raw = ''
            function()
              require("harpoon.ui").nav_next()
             end
          '';
          options.desc = "go to the next marked file";
        }
        {
          key = "_";
          action.__raw = ''
            function()
              require("harpoon.ui").nav_prev()
             end
          '';
          options.desc = "go to the previous marked file";
        }
        {
          key = "<leader><leader>";
          action.__raw = ''
            function()
              require("harpoon.mark").add_file()
            end
          '';
          options.desc = "add a mark to the open file in harpoon.";
        }
        {
          key = "gqc";
          action.__raw = ''
            function()
              require("harpoon.cmd-ui").toggle_quick_menu()
            end
          '';
          options.desc = "toggle the harpoon command quick menu to see all commands.";
        }
        {
          key = "<leader>q";
          action.__raw = ''
            function()
              require("harpoon.ui").toggle_quick_menu()
            end
          '';
          options.desc = "toggle the harpoon normal quick menu to see all marks.";
        }
      ]
      ++ gotoFileMappings
      ++ gotoTerminalMappings;
  };
}