{ config, pkgs, lib, ... }:


let
  cfg = config.local.programs.communication.telegram;

  hostRunPackage = pkgs.writeScript "cont-run" ''
    sudo nixos-container run telegram -- su -l jan -c "$*"
  '';

  hostPackageScript = pkgs.writeScriptBin "${cfg.package.meta.mainProgram}" ''
    ${hostRunPackage} ${cfg.package.meta.mainProgram} $@
  '';

  hostTelegram = pkgs.runCommand "${cfg.package.meta.mainProgram}" { } ''
    mkdir $out
    cp -r ${hostPackageScript}/bin $out/bin
    cp -r ${cfg.package}/share $out/share
  '';
in
{
  options.local.programs.communication.telegram = with lib; {
    enable = mkEnableOption "tdesktop. telegram client";
    package = mkPackageOption pkgs "tdesktop" { };
  };

  config = lib.mkIf cfg.enable {
    environment.systemPackages = [ hostTelegram ];

    local.sound.systemWide = true;

    containers.telegram = {
      autoStart = true;
      ephemeral = true;

      bindMounts = lib.mkMerge [
        {
          "/tmp/.X11-unix" = { };
          "/home/jan/downloads/telegram" = {
            isReadOnly = false;
          };
        }
        (lib.mkIf config.hardware.graphics.enable {
          "/run/opengl-driver/lib" = { };
        })
        (lib.mkIf config.hardware.graphics.enable32Bit {
          "/run/opengl-driver-32/lib" = { };
        })
        (lib.mkIf config.local.programs.browsers.librewolf.enable {
          "/home/jan/downloads/browser" = { };
        })
      ];

      config = { pkgs, ... }: {
        system.stateVersion = "23.11";

        fonts = {
          inherit (config.fonts) enableDefaultPackages packages;
          fontconfig = { inherit (config.fonts.fontconfig) defaultFonts; };
        };

        users.users.jan = {
          isNormalUser = true;
          home = "/home/jan";
          password = "hello";
          extraGroups = [ "pulse-access" ];
          packages = [ cfg.package ];
        };

        environment.sessionVariables = {
          DISPLAY = ":0";
          PULSE_SERVER = "tcp:127.0.0.1:4713";
        };
      };
    };
  };
}