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

let
  livekitKeyFile = "/run/livekit.key";
  serverName = "atri.dad";
  matrixDomain = "matrix.atri.dad";
  matrixRtcDomain = "matrixrtc.atri.dad";
in
{
  services.matrix-tuwunel = {
    enable = true;
    settings = {
      global = {
        server_name = serverName;
        address = [ "127.0.0.1" "::1" ];
        port = [ 6167 ];
        max_request_size = 104857600;
        allow_registration = false;
        allow_encryption = true;
        allow_federation = true;
        trusted_servers = [ "matrix.org" "chat.blahaj.zone" ];
        ip_range_denylist = [
          "127.0.0.0/8"
          "10.0.0.0/8"
          "172.16.0.0/12"
          "192.168.0.0/16"
          "100.64.0.0/10"
          "192.0.0.0/24"
          "169.254.0.0/16"
          "198.18.0.0/15"
          "::1/128"
          "fe80::/10"
          "fc00::/7"
        ];

        well_known = {
          server = "${matrixDomain}:443";
          client = "https://${matrixDomain}";
          rtc_transports = [
            {
              type = "livekit";
              livekit_service_url = "https://${matrixRtcDomain}";
            }
          ];
        };
      };
    };
  };

  # services.livekit = {
  #   enable = true;
  #   openFirewall = true;
  #   settings = {
  #     port = 7880;
  #     rtc = {
  #       port_range_start = 50000;
  #       port_range_end = 60000;
  #       tcp_port = 7881;
  #       use_external_ip = true;
  #       allow_tcp_fallback = true;
  #     };
  #     room.auto_create = true;
  #     turn = {
  #       enabled = true;
  #       domain = matrixRtcDomain;
  #       tls_port = 5349;
  #       udp_port = 3478;
  #       relay_range_start = 50000;
  #       relay_range_end = 60000;
  #       cert_file = "/run/credentials/livekit.service/turn-cert";
  #       key_file = "/run/credentials/livekit.service/turn-key";
  #     };
  #   };
  #   keyFile = livekitKeyFile;
  # };

  # services.lk-jwt-service = {
  #   enable = true;
  #   livekitUrl = "wss://${matrixRtcDomain}";
  #   keyFile = livekitKeyFile;
  # };

  # systemd.services.lk-jwt-service.environment.LIVEKIT_FULL_ACCESS_HOMESERVERS = serverName;

  # systemd.services.livekit.serviceConfig.LoadCredential = [
  #   "turn-cert:/var/lib/acme/${matrixRtcDomain}/fullchain.pem"
  #   "turn-key:/var/lib/acme/${matrixRtcDomain}/key.pem"
  # ];
  # systemd.services.livekit.after = [ "acme-${matrixRtcDomain}.service" ];
  # systemd.services.livekit.requires = [ "acme-${matrixRtcDomain}.service" ];

  # systemd.services.livekit-key = {
  #   before = [ "lk-jwt-service.service" "livekit.service" ];
  #   wantedBy = [ "multi-user.target" ];
  #   path = with pkgs; [ livekit coreutils gawk ];
  #   script = ''
  #     echo "Key missing, generating key"
  #     echo "lk-jwt-service: $(livekit-server generate-keys | tail -1 | awk '{print $3}')" > "${livekitKeyFile}"
  #   '';
  #   serviceConfig.Type = "oneshot";
  #   unitConfig.ConditionPathExists = "!${livekitKeyFile}";
  # };

  networking.firewall = {
    allowedTCPPorts = [ 7880 7881 5349 ];
    allowedUDPPorts = [ 3478 ];
    allowedUDPPortRanges = [
      { from = 50000; to = 60000; }
    ];
  };
}