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

{
  services.matrix-conduit = {
    package = conduit.packages.${pkgs.system}.default;
    enable = true;
    settings.global = {
      address = "127.0.0.1";
      server_name = "conduit.rory.gay";
      
      database_backend = "rocksdb";
#      rocksdb_optimize_for_spinning_disks = false;
#      rocksdb_max_log_file_size = 33554432;

#      allow_public_room_directory_over_federation = true;
    
#      allow_device_name_federation = true;
#      enable_lightning_bolt = true;


      #allow_local_presence = true;
      #allow_incoming_presence = true;
      #allow_outgoing_presence = true;
      #presence_idle_timeout_s = 60;
      #presence_offline_timeout_s = 180;


#      max_concurrent_requests = 32767;
#      conduit_cache_capacity_modifier = 4000.0; #512.0;
#      db_cache_capacity_mb = 65535.0; #8192.0;
#      rocksdb_parallelism_threads = 12;
      
      #dns settings
#      dns_cache_entries = 65535;
#      dns_min_ttl = 60 * 60 * 12; #12 hours... we expect other servers to backfill in the unlikely case an IP changes.
#      dns_min_ttl_nxdomain = 60 * 60 * 24 * 7; #1 week... we expect backfill to happen must this change...
#      dns_timeout = 15;
#      dns_attempts = 15; #our DNS setup tends to fail
#      query_all_nameservers = true; #needed on our setup...

#      federation_timeout = 30;
#      federation_idle_per_host = 8;
#      federation_idle_timeout = 600;


      allow_check_for_updates = false;
      allow_registration = false;

#      log = "info,state_res=info";
      #log = "debug";
    };
  };
  systemd.services.matrix-conduit-reg-token = {
      description = "Random registration token for Conduit.";
      before = ["conduit.service"]; # So the registration can be used by Conduit.
      after = ["matrix-synapse-reg-token.service"];

      script = ''
        mkdir -p /run/systemd/system/conduit.service.d
        echo Environment=\"CONDUIT_REGISTRATION_TOKEN=$(cat /var/lib/matrix-synapse/registration_shared_secret.txt)\" > /run/systemd/system/conduit.service.d/override.conf
        systemctl daemon-reload'';
      serviceConfig = {
        User = "root";
        Group = "root";
      };
    };

}