# Mail stack:
#   Display maildirs and read emails          -> neomutt
#   Write emails                              -> vim (should already be there)
#   Receive emails & synchronize maildir      -> offlineimap
#   Submit emails to send                     -> msmtp
#   Deal with MIME encoded email packages     -> ripmime
#   Display HTML emails                       -> w3m
#   Search maildirs                           -> mu
# and various automation provided by systemd
{ config, pkgs, ... }:

let mu-light = (pkgs.mu.override { withMug = false; }); # no webkit dependency
in
{
  environment.systemPackages = with pkgs; [
    msmtp
    neomutt
    ripmime
    mu-light
    w3m
  ];

  services.offlineimap = {
    enable = true;
    onCalendar = "*:0/5";
  };

  systemd.user.services = {
    mu = {
      description = "Updating mail database";
      path = [ mu-light ];
      script = "mu index --quiet -m ~/mail";
      startAt = "daily";
      wantedBy = [ "timers.target" ];
    };

    offlineimap-fast = {
      description = "Quick mail synchronization";
      path = [ pkgs.offlineimap ];
      script = "offlineimap -u quiet -q";
    };

    msmtp-runqueue = {
      description = "Flushing mail queue";
      script = builtins.readFile "/home/eeva/prefix/bin/msmtp-runqueue";
      preStart = "mkdir -p /home/eeva/.msmtpqueue";
      startAt = "*:0/10";
      serviceConfig = {
        Restart = "on-failure";
      };
      path = [ pkgs.msmtp ];
    };
  };
}