{ pkgs, lib, ... }:
let
  inherit (pkgs.uservars) key;
  inherit (lib) toUpper;
in
{
  programs.neomutt.enable = true;
  programs.neomutt.binds = [
    {
      map = [ "index" ];
      key = key.left;
      action = "noop";
    }
    {
      map = [ "index" ];
      key = key.down;
      action = "next-entry";
    }
    {
      map = [ "index" ];
      key = key.up;
      action = "previous-entry";
    }
    {
      map = [ "index" ];
      key = key.right;
      action = "display-message";
    }

    {
      map = [ "attach" ];
      key = key.up;
      action = "previous-entry";
    }
    {
      map = [ "attach" ];
      key = key.down;
      action = "next-entry";
    }
    {
      map = [ "attach" ];
      key = key.left;
      action = "exit";
    }
    {
      map = [ "attach" ];
      key = key.right;
      action = "view-mailcap";
    }
    {
      map = [ "pager" ];
      key = key.left;
      action = "exit";
    }
    {
      map = [ "pager" ];
      key = key.down;
      action = "next-line";
    }
    {
      map = [ "pager" ];
      key = key.up;
      action = "previous-line";
    }
    {
      map = [ "pager" ];
      key = key.right;
      action = "view-attachments";
    }
    {
      map = [ "index" "pager" "browser" ];
      key = toUpper key.up;
      action = "half-up";
    }
    {
      map = [ "index" "pager" "browser" ];
      key = toUpper key.down;
      action = "half-down";
    }
    {
      map = [ "browser" ];
      key = key.left;
      action = "goto-parent";
    }
    {
      map = [ "index" "pager" ];
      key = "\\C${ key.down  }";
      action = "sidebar-next";
    }
    {
      map = [ "index" "pager" ];
      key = "\\C${ key.up    }";
      action = "sidebar-prev";
    }
    {
      map = [ "index" "pager" ];
      key = "\\C${ key.right }";
      action = "sidebar-open";
    }
    {
      map = [ "index" "pager" ];
      key = "\\C${ key.left  }";
      action = "sidebar-toggle-visible";
    }
  ];
  programs.neomutt.extraConfig = lib.readFile ./neomuttrc;
}