{ config, pkgs, ... }:

let
  # Variables
  vars = import ../vars;
in
{
  # Services
  systemd.services = {

    "notify-email@" = {
      path = with pkgs; [ systemd system-sendmail ];
      scriptArgs = "%I";
      script = ''
        UNIT=$(systemd-escape $1)
        TO="${vars.smtp.from}"
        FROM="${vars.smtp.from}"
        SUBJECT="$UNIT Failed"
        HEADERS="To:$TO\nFrom:$FROM\nSubject: $SUBJECT\n"
        BODY=$(systemctl status --no-pager $UNIT || true)
        echo -e "$HEADERS\n$BODY" | sendmail -t
      '';
      serviceConfig = {
        Type = "oneshot";
      };
    };

    "usr-cloud-sync" = {
      script = ''
        $HOME/.local/bin/pva nextcloud sync \
          > $HOME/.local/log/cloud-sync.log
      '';
      serviceConfig = {
        Type = "oneshot";
        User = "${vars.user.username}";
      };
      onFailure = [ "notify-email@%n.service" ];
    };

    "usr-cloud-sync-force" = {
      script = ''
        $HOME/.local/bin/pva nextcloud kill && \
        $HOME/.local/bin/pva nextcloud sync \
          > $HOME/.local/log/cloud-sync-force.log
      '';
      serviceConfig = {
        Type = "oneshot";
        User = "${vars.user.username}";
      };
      onFailure = [ "notify-email@%n.service" ];
    };

    "usr-email-bkg" = {
      script = ''
        $HOME/.local/bin/pva email tb-background \
          > $HOME/.local/log/email-bkg.log
      '';
      serviceConfig = {
        Type = "oneshot";
        User = "${vars.user.username}";
      };
      onFailure = [ "notify-email@%n.service" ];
    };

    "usr-theme" = {
      script = ''
        $HOME/.local/bin/pva theme text \
          > $HOME/.local/log/theme.log
      '';
      serviceConfig = {
        Type = "oneshot";
        User = "${vars.user.username}";
      };
      onFailure = [ "notify-email@%n.service" ];
    };

    "sys-purge" = {
      script = ''
        /root/.local/bin/sys-purge.sh \
          > /root/.local/log/sys-purge.log
      '';
      serviceConfig = {
        Type = "oneshot";
        User = "root";
      };
      onFailure = [ "notify-email@%n.service" ];
    };

  };


  # Timers
  # DayOfWeek Year-Month-Day Hour:Minute:Second
  systemd.timers = {

    "usr-cloud-sync" = {
      wantedBy = [ "timers.target" ];
      timerConfig = {
        Unit = "usr-cloud-sync.service";
        OnCalendar = "*-*-* 00..22:0/5:00";
        Persistent = true;
      };
    };
    
    "usr-cloud-sync-force" = {
      wantedBy = [ "timers.target" ];
      timerConfig = {
        Unit = "usr-cloud-sync-force.service";
        OnCalendar = "*-*-* 23:23:23";
      };
    };

    "usr-email-bkg" = {
      wantedBy = [ "timers.target" ];
      timerConfig = {
        OnCalendar = "*-*-* 01:20:00";
        Unit = "usr-email-bkg.service";
      };
    };

    "usr-theme" = {
      wantedBy = [ "timers.target" ];
      timerConfig = {
        Unit = "usr-theme.service";
        OnBootSec = "15m";
        OnUnitActiveSec = "15m";
      };
    };

    "sys-purge" = {
      wantedBy = [ "timers.target" ];
      timerConfig = {
        OnCalendar = "*-*-* 02:18:18";
        Unit = "sys-purge.service";
      };
    };

  };

}