cnix/modules/home/programs/aerc/default.nix

{
  pkgs,
  config,
  osConfig,
  lib,
  ...
}:
let
  inherit (lib) mkIf mkEnableOption;
  cfg = config.home.programs.aerc;
in
{
  options = {
    home.programs.aerc.enable = mkEnableOption "Enables aerc";
  };
  config = mkIf cfg.enable {
    programs = {
      aerc = {
        enable = true;
        extraConfig = ''
          [compose]
          edit-headers = true
          file-picker-cmd = fzf --multi --query=%s
          reply-to-self = false

          [filters]
          .headers = ${pkgs.aerc}/libexec/aerc/filters/colorize
          text/calendar = ${pkgs.gawk}/bin/awk -f ${pkgs.aerc}/libexec/aerc/filters/calendar
          text/html = ${pkgs.aerc}/libexec/aerc/filters/html | ${pkgs.aerc}/libexec/aerc/filters/colorize
          text/plain = ${pkgs.aerc}/libexec/aerc/filters/colorize
          text/* = ${pkgs.bat}/bin/bat -fP --file-name="$AERC_FILENAME "
          message/delivery-status = ${pkgs.aerc}/libexec/aerc/filters/colorize
          message/rfc822 = ${pkgs.aerc}/libexec/aerc/filters/colorize
          application/pdf = ${pkgs.zathura}/bin/zathura -
          application/x-sh = ${pkgs.bat}/bin/bat -fP -l sh
          audio/* = ${pkgs.mpv}/bin/mpv -

          [general]
          default-menu-cmd = ${pkgs.fzf}/bin/fzf
          enable-osc8 = true
          pgp-provider = gpg
          unsafe-accounts-conf = true

          [viewer]
          header-layout = From|To,Cc|Bcc,Date,Subject,DKIM+|SPF+|DMARC+

          [ui]
          tab-title-account = {{.Account}} {{if .Unread}}({{.Unread}}){{end}}
          fuzzy-complete = true
          mouse-enabled = true
          msglist-scroll-offset = 5
          show-thread-context = true
          thread-prefix-dummy = ┬
          thread-prefix-first-child = ┬
          thread-prefix-folded = +
          thread-prefix-has-siblings = ├
          thread-prefix-indent =
          thread-prefix-last-sibling = ╰
          thread-prefix-limb = ─
          thread-prefix-lone =
          thread-prefix-orphan = ┌
          thread-prefix-stem = │
          thread-prefix-tip =
          thread-prefix-unfolded =
          threading-enabled = true
          spinner="◜,◠,◝,◞,◡,◟"
        '';

        extraBinds = ''
          <C-k> = :prev-tab<Enter>
          <C-j> = :next-tab<Enter>
          ? = :help keys<Enter>
          <C-c> = :prompt 'Quit?' quit<Enter>
          <C-q> = :prompt 'Quit?' quit<Enter>

          [messages]
          q = :prompt 'Quit?' quit<Enter>
          j = :next<Enter>
          k = :prev<Enter>
          <C-d> = :next 50%<Enter>
          <C-u> = :prev 50%<Enter>
          <PgDn> = :next 100%<Enter>
          <PgUp> = :prev 100%<Enter>
          g = :select 0<Enter>
          G = :select -1<Enter>
          J = :next-folder<Enter>
          K = :prev-folder<Enter>

          <Space> = :mark -t<Enter>:next<Enter>
          <Tab> = :exec checkmail<Enter>
          <Enter> = :view<Enter>
          d = :choose -o y 'Really delete this message' delete-message<Enter>
          a = :read<Enter>:archive flat<Enter>
          A = :unmark -a<Enter>:mark -T<Enter>:read<Enter>:mark -T<Enter>:archive flat<Enter>
          s = :read<Enter>:move Junk<Enter>

          m = :compose<Enter>
          r = :reply -aq<Enter>
          $ = :term<space>
          ! = :term<space>
          | = :pipe<space>

          / = :search<space>
          \ = :change-tab notmuch<Enter>:cf<Space>
          + = :query -n "{{.SubjectBase}} ({{.MessageId}})" -a notmuch thread:\{id:{{.MessageId}}\}<Enter>
          n = :next-result<Enter>
          N = :prev-result<Enter>
          <Esc> = :clear<Enter>

          v = :split<Enter>
          V = :vsplit<Enter>

          [messages:folder=Drafts]
          <Enter> = :recall<Enter>

          [view]
          / = :toggle-key-passthrough<Enter>/
          q = :close<Enter>
          o = :open<Enter>
          S = :save<space>
          | = :pipe<space>
          a = :archive flat<Enter>
          s = :move Junk<Enter>

          <C-l> = :open-link<space>

          f = :forward<Enter>
          r = :reply -aq<Enter>

          H = :toggle-headers<Enter>
          <C-p> = :prev-part<Enter>
          <C-n> = :next-part<Enter>
          J = :next<Enter>
          K = :prev<Enter>

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

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

          [compose::editor]
          $noinherit = true
          $ex = <C-x>

          [compose::review]
          y = :send<Enter> # Send
          n = :abort<Enter> # Abort (discard message, no confirmation)
          v = :preview<Enter> # Preview message
          p = :postpone<Enter> # Postpone
          q = :choose -o d discard abort -o p postpone postpone<Enter> # Abort or postpone
          e = :edit<Enter> # Edit
          a = :menu -c 'fd . --type=f | fzf -m' attach<Enter> # Add attachment
          d = :detach<space> # Remove attachment
          s = :sign<Enter> # PGP sign

          [terminal]
          $noinherit = true
          $ex = <C-x>
          <C-p> = :prev-tab<Enter>
          <C-n> = :next-tab<Enter>
        '';
      };

      # notmuch = {
      #   enable = true;
      #   new = {
      #     ignore = [
      #       ".uidvalidity"
      #       ".mbsyncstate"
      #       ".mbsyncstate.lock"
      #       ".mbsyncstate.journal"
      #       ".mbsyncstate.new"
      #     ];
      #     tags = ["unread" "inbox" "new"];
      #   };
      # };

      # msmtp.enable = true;
      # mbsync.enable = true;
    };

    accounts.email = {
      maildirBasePath = ".mail";
      accounts.protonmail = {
        primary = true;
        realName = "adde";
        address = "adam@cnst.dev";
        aerc = {
          enable = true;
          extraAccounts = {
            source = "imap://adam%40cnst.dev@127.0.0.1:1143";
            source-cred-cmd = "cat ${osConfig.age.secrets.mailpwd.path}";
            outgoing = "smtp://adam%40cnst.dev@127.0.0.1:1025";
            outgoing-cred-cmd = "cat ${osConfig.age.secrets.mailpwd.path}";
          };
          extraBinds.messages."r" = '':reply -aqA {{index (.Filename | split ("/")) 4}}<Enter>'';
          extraBinds.view."r" = '':reply -aqA {{index (.Filename | split ("/")) 4}}<Enter>'';
        };
      };
    };

    # services = {
    #   imapnotify.enable = true;
    #   mbsync = {
    #     enable = true;
    #     postExec = "${lib.getExe' pkgs.maximbaz-scripts "indexmail"}";
    #   };
    # };

    # systemd.user.services.mbsync.Unit.After = ["sops-nix.service"];

    # home.packages = with pkgs; [
    #   aerc
    #   w3m
    #   dante
    # ];
  };
}