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{ pkgs, lib, config, userName, ... }:
let
  inherit (lib) listToAttrs nameValuePair;
  
  xmobar = import ./xmobar pkgs.haskellPackages;
  cfg = config.home-manager.users.${userName};

  autossh-socks-script = pkgs.writeScript "autossh" ''
    #!${pkgs.zsh}/bin/zsh -xe

    host="''${1%:*}"
    port="''${1#*:}"

    typeset -a cmd
    cmd=()

    if [[ -n "''${SSHPASS_SECRET}" ]]; then
      cmd+=(${pkgs.sshpassSecret}/bin/sshpass-secret)
      cmd+=("''${(@s/:/)SSHPASS_SECRET}")
      cmd+=(--)
    fi

    cmd+=(${pkgs.openssh}/bin/ssh -vN -D localhost:''${port} "''${host}")

    ( exec -a "''${cmd[1]}" -- ''${cmd} ) &
    pid=$!

    newpid=""
    i=200
    while ! newpid=$(${pkgs.lsof}/bin/lsof -Pi @localhost:"''${port}" -sTCP:LISTEN -t); do
      if ! kill -0 "''${pid}"; then
        wait "''${pid}"
        exit $?
      fi
      [[ "''${i}" -gt 0 ]] || exit 1
      i=$((''${i} - 1))
      ${pkgs.coreutils}/bin/sleep 0.1
    done

    ${pkgs.systemd}/bin/systemd-notify --ready

    wait "''${pid}" "''${newpid}"
  '';
in {
  services = {
    sync-keepass = {
      Service = {
        Type = "oneshot";
        WorkingDirectory = "~";
        ExecStart = "${pkgs.lftp}/bin/lftp -f ${./store.kdbx.lftp}";
      };
    };
    emacs = {
      Unit = {
        After = ["graphical-session-pre.target"];
      };
    };
    taffybar = {
      Service = {
        Environment = with pkgs; "PATH=${worktime}/bin:${systemd}/bin";
      };
    };
    dunst = {
      Service = {
        Restart = "always";
      };
      Install = {
        WantedBy = ["graphical-session.target"];
      };
    };
    xiccd = {
      Service = {
        Type = "simple";
        WorkingDirectory = "~";
        ExecStart = "${pkgs.xiccd}/bin/xiccd";
        Restart = "always";
      };
    };
    "autossh-socks@proxy.mathw0h:8119" = {
      Service = {
        Type = "notify";
        NotifyAccess = "all";
        WorkingDirectory = "~";
        Restart = "always";
        RestartSec = "23s";
        ExecStart = "${autossh-socks-script} \"%I\"";
        Environment = [ "SSHPASS_SECRET=gkleen@mathw0g.math.lmu.de" ];
      };
      Unit = {
        StopWhenUnneeded = true;
        StartLimitInterval = "180s";
        StartLimitBurst = 7;
      };
    };
    "autossh-socks@proxy.vidhar:8121" = {
      Service = {
        Type = "notify";
        NotifyAccess = "all";
        WorkingDirectory = "~";
        Restart = "always";
        RestartSec = "2s";
        ExecStart = "${autossh-socks-script} \"%I\"";
      };
      Unit = {
        StopWhenUnneeded = true;
      };
    };
  } // listToAttrs (map ({host, port}: nameValuePair "proxy-to-autossh-socks@${toString port}" {
      Unit = {
        Requires = ["autossh-socks@${host}:${toString (port + 1)}.service" "proxy-to-autossh-socks@${toString port}.socket"];
        After = ["autossh-socks@${host}:${toString (port + 1)}.service" "proxy-to-autossh-socks@${toString port}.socket"];
      };
      Service = {
        ExecStart = "${pkgs.systemd}/lib/systemd/systemd-socket-proxyd --exit-idle-time=10s localhost:${toString (port + 1)}";
      };
  }) [{ host = "proxy.mathw0h"; port = 8118; } { host = "proxy.vidhar"; port = 8120; }]);
  sockets = listToAttrs (map (port: nameValuePair "proxy-to-autossh-socks@${toString port}" {
    Socket = {
      ListenStream = "%I";
    };
    Install = {
      WantedBy = ["default.target"];
    };
  }) [8118 8120]);
  timers = {
    sync-keepass = {
      Timer = {
        OnActiveSec = "1m";
        OnUnitActiveSec = "1m";
      };

      Install = {
        WantedBy = ["default.target"];
      };
    };
  };
  targets = {
    graphical-session = {
      Unit = {
        BindsTo = ["default.target"];
        After = ["basic.target"];
      };
    };
  };
}