nix/lib/modules/email.nix

{ user, userName }: { lib, pkgs, config, ... }:
with lib;
let
  cfg = config.roles.email;
  terminal = config.programs.terminal.package;
  termcmd = "${terminal}/bin/${terminal.pname}";
in
{
  options.roles = {
    email = {
      enable = mkEnableOption "email settings";
      email = mkOption {
        description = "email address";
      };
      terminal = mkOption {
        type = types.bool;
        default = true;
      };
    };
  };

  config = mkIf cfg.enable {
    
    programs.scripts = [
      {
        name = "email";
        text = ''
          ${termcmd} -e aerc
        '';
        install = false;
        hotkeys = [{key = "E";}];
      }
    ];

    home-manager.users.${user}.imports = [{
      programs.git = {
        userName = userName;
        userEmail = cfg.email;
      };
      
      accounts.email.accounts.${cfg.email} = mkIf cfg.terminal {
        notmuch.enable = true;
        neomutt.enable = true;
        aerc.enable = true;
        mbsync.enable = true;
        mbsync.create = "both";
        userName = cfg.email;
        realName = userName;
        address = cfg.email;
        primary = true;
        passwordCommand = "${pkgs.rbw}/bin/rbw get privateemail";
        smtp = {
          host = "mail.privateemail.com";
          port = 465;
          tls.enable = true;
        };
        imap = {
          host = "mail.privateemail.com";
          port = 993;
          tls.enable = true;
        };
      };
      
      programs.notmuch.enable = cfg.terminal;
      programs.neomutt = {
        enable = cfg.terminal;
        vimKeys = true;
        sort = "reverse-date";
        sidebar.enable = true;
      };
      programs.mbsync.enable = cfg.terminal;
      services.mbsync.enable = cfg.terminal;

      programs.aerc = {
        enable = cfg.terminal;
        extraBinds = ''
          # Binds are of the form <key sequence> = <command to run>
          # To use '=' in a key sequence, substitute it with "Eq": "<Ctrl+Eq>"
          # If you wish to bind #, you can wrap the key sequence in quotes: "#" = quit
          <C-p> = :prev-tab<Enter>
          <C-n> = :next-tab<Enter>
          <C-t> = :term<Enter>

          [messages]
          Q = :quit<Enter>

          T = :toggle-threads<Enter>

          j = :next<Enter>
          <Down> = :next<Enter>
          <C-d> = :next 50%<Enter>
          <C-f> = :next 100%<Enter>
          <PgDn> = :next -s 100%<Enter>

          k = :prev<Enter>
          <Up> = :prev<Enter>
          <C-u> = :prev 50%<Enter>
          <C-b> = :prev<Enter>
          <PgUp> = :prev -s 100%<Enter>
          gg = :select 0<Enter>
          G = :select -1<Enter>

          J = :next-folder<Enter>
          K = :prev-folder<Enter>

          v = :mark -t<Enter>
          V = :mark -v<Enter>

          f = :flag<Enter>
          F = :unflag<Enter>

          t = :toggle-threads<Enter>

          <Enter> = :view<Enter>
          D = :mv Trash<Enter>

          C = :compose<enter>

          Rr = :reply<Enter>
          Rq = :reply -q<Enter>
          rr = :reply -a<Enter>
          rq = :reply -aq<Enter>
          rt = :unflag<Enter>:reply -a -Tthanks<Enter>
          Rt = :unflag<Enter>:reply -qa -Tquoted_thanks<Enter>

          a = :mv Archive<Enter>

          c = :cf<space>
          $ = :term<space>
          ! = :term<space>
          | = :pipe<space>

          ga = :flag<Enter>:pipe -mb git am -3<Enter>
          gp = :term git push<Enter>
          gl = :term git log<Enter>

          / = :search<space>
          \ = :filter<space>
          n = :next-result<Enter>
          N = :prev-result<Enter>
          
          o = :term mbsync -a<Enter>
          q = :quit<Enter>

          [view]
          / = :toggle-key-passthrough<Enter>/
          q = :close<Enter>
          | = :pipe -m<space>
          S = :save<space>
          H = :toggle-headers<Enter>
          D = :mv Trash<Enter>
          <C-k> = :prev-part<Enter>
          <C-j> = :next-part<Enter>
          J = :next<Enter>
          K = :prev<Enter>

          f = :forward<Enter>
          Rr = :reply<Enter>
          Rq = :reply -q<Enter>
          rr = :reply -a<Enter>
          rq = :reply -aq<Enter>
          rt = :reply -Tthanks<Enter>

          ga = :pipe -b git am -3<Enter>
          gp = :term git push<Enter>
          gl = :term git log<Enter>

          [view::passthrough]
          $noinherit = true
          $ex = <C-x>
          <Esc> = :toggle-key-passthrough<Enter>

          [compose]
          $ex = <C-x>
          <C-k> = :prev-field<Enter>
          <C-j> = :next-field<Enter>
          <tab> = :next-field<Enter>

          [compose::editor]
          # Keybindings used when the embedded terminal is selected in the compose view
          $noinherit = true
          $ex = <C-x>
          <C-t> = :term<Enter>
          <C-k> = :prev-field<Enter>
          <C-j> = :next-field<Enter>
          <C-p> = :prev-tab<Enter>
          <C-n> = :next-tab<Enter>

          [compose::review]
          # Keybindings used when reviewing a message to be sent
          y = :send<Enter>
          n = :abort<Enter>
          e = :edit<Enter>
          a = :attach<space>
          c = :encrypt<Enter>
          s = :sign<Enter>
          V = :header -f X-Sourcehut-Patchset-Update NEEDS_REVISION<Enter>
          A = :header -f X-Sourcehut-Patchset-Update APPLIED<Enter>
          R = :header -f X-Sourcehut-Patchset-Update REJECTED<Enter>

          [terminal]
          $noinherit = true
          $ex = <C-x>

          <C-t> = :term<Enter>
          <C-p> = :prev-tab<Enter>
          <C-n> = :next-tab<Enter>
        '';

        extraConfig = {
          general = {
            pgp-provider = "gpg";
            unsafe-accounts-conf = true;
          };
          ui = { };
          viewer = { };
          filters = {
            "text/plain" = "colorize";
            "text/calendar" = "calendar";
            "message/delivery-status" = "colorize";
            "message/rfc822" = "colorize";
            "image/*" = "img2sixel";
            "text/html" = "html | colorize";
          };
        };
      };
    }];
  };
  
}