{ config, pkgs, lib, system, user, allowed, secrets, ... }: 

{
  home.packages = [
    pkgs.neomutt
    pkgs.isync
    pkgs.msmtp
    pkgs.notmuch
    pkgs.abook
    pkgs.urlview

    (pkgs.writeScriptBin "mutt_oauth" (builtins.readFile ./scripts/mutt_oauth2.py))

  ];
  
  programs.neomutt = {
    enable = true;
    package = pkgs.neomutt;
    editor = "micro";
    sort = "date";
    sidebar = {
      enable = true;
    };
    binds = [
      { map = [ "index" ]; key = "<F4>"; action = "sidebar-toggle-visible"; }
      { map = [ "pager" ]; key = "<F4>"; action = "sidebar-toggle-visible"; }
      { map = [ "index" ]; key = "\\Cp"; action = "sidebar-prev"; }
      { map = [ "pager" ]; key = "\\Cp"; action = "sidebar-prev"; }
      { map = [ "index" ]; key = "\\Cn"; action = "sidebar-next"; }
      { map = [ "pager" ]; key = "\\Cn"; action = "sidebar-next"; }
      { map = [ "index" ]; key = "\\Co"; action = "sidebar-open"; }
      { map = [ "pager" ]; key = "\\Co"; action = "sidebar-open"; }
      { map = [ "pager" ]; key = "<up>"; action = "previous-line"; }
      { map = [ "pager" ]; key = "<down>"; action = "next-line"; }
    ];

    settings = let imapUser = "lennart.kurzweg.lk@gmail.com"; in {
      cryptReplysign = true;
      cryptVerifySig = true;
      editHeaders = true;
      from = imapUser;
      inherit imapUser;
      imapPass = ""; 
      imapAuthenticators = "oauthbearer:xoauth2";
      imapOAuthRefreshCommand = "mutt_oauth ~/.config/mutt/${imapUser}.tokens";
      smtpUrl = "smtp://lennart.kurzweg.lk@smtp.gmail.com:587/";
      smtpPass = "";
      sslForceTls = true;
      realname = "Lennart J. Kurzweg";
      useFrom = true;
      timeout = 10;      
    };

    # Color Settings
    # colors = {
    #   normal = "white default";
    #   attachment = "brightyellow default";
    #   hdrdefault = "cyan default";
    #   indicator = "black cyan";
    #   markers = "brightred default";
    #   quoted = "green default";
    #   signature = "cyan default";
    #   status = "brightgreen blue";
    #   tilde = "blue default";
    #   tree = "red default";
    #   index = [ 
    #     "red default ~P"
    #     "red default ~D"
    #     "magenta default ~T"
    #   ];
    #   header = [ 
    #     "brightgreen default ^From:"
    #     "brightcyan default ^To:"
    #     "brightcyan default ^Reply-To:"
    #     "brightcyan default ^Cc:"
    #     "brightblue default ^Subject:"
    #   ];
    #   body = [ 
    #     "brightred default [\\-\\.+_a-zA-Z0-9]+@[\\-\\.a-zA-Z0-9]+"
    #     "brightblue default (https?|ftp)://[\\-\\.,/%~_:?&=\\#a-zA-Z0-9]+" 
    #     ];
    #   };
    };
}