{ config, ... }:

{
  imports = [
    ../../services/nginx.nix
    ../../services/prometheus-nginx.nix
  ];

  services = {
    matrix-synapse = {
      enable = true;
      settings = {
        server_name = config.networking.domain;
        public_baseurl = "https://matrix.${config.networking.domain}:443/";
        # "/var/lib/matrix-synapse/homeserver.signing.key"
        signing_key_path = config.age.secrets.matrix_signing_key.path;
        registration_shared_secret_path = config.age.secrets.matrix_registration_shared_secret.path;
        listeners = [
          {
            type = "http";
            tls = false;
            x_forwarded = true;
            port = 8008;
            bind_addresses = [ "::1" ];
            #request_id_header = "X-Request-ID";
            resources = [
              {
                compress = false;
                names = [
                  "client"
                  "federation"
                ];
              }
            ];
          }
          {
            type = "metrics";
            tls = false;
            port = 9009;
            bind_addresses = [ "::1" ];
            resources = [
              {
                compress = false;
                names = [ "metrics" ];
              }
            ];
          }
        ];
        enable_metrics = true;
        dynamic_thumbnails = true;
        max_upload_size = "128M";
        max_image_pixels = "64M";

        retention = {
          enabled = true;
          default_policy = {
            min_lifetime = "1d";
            max_lifetime = "1y";
          };
          allowed_lifetime_min = "1d";
          allowed_lifetime_max = "1y";
        };
      };
      extraConfigFiles = [
        config.age.secrets.matrix_db_password.path
      ];
      enableRegistrationScript = true;
    };
  };

  nginx.virtualHosts."matrix.${config.networking.domain}" = {
    default = true;
    quic = true;
    kTLS = true;
    forceSSL = true;
    enableACME = true;
    locations = {
      "/".return = "418 \"🫖\"";
      "~ ^(/_matrix|/_synapse/client)" = {
        recommendedProxySettings = true;
        proxyPass = "http://[::1]:8008";
        extraConfig = ''
          client_max_body_size 64M;
          proxy_set_header X-Request-ID $request_id;
          proxy_http_version 1.1;
        '';
      };
      "/_synapse/metrics" = {
        proxyPass = "http://[::1]:9009";
        recommendedProxySettings = true;
        extraConfig = ''
          allow 2001:678:760:cccb::14;
          allow 195.160.173.14;
          deny all;
        '';
      };
    };
  };
}