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

let
  cfg = config.modules.services.jellyfin;
  ids = 701;
  default_port = 8096;
  data_dir = "/var/lib/jellyfin";
in
{
  options.modules.services.jellyfin = {
    enable = lib.mkEnableOption "enables jellyfin";

    # set port options
    port = lib.mkOption {
      type = lib.types.int;
      default = 7101;
      description = "set port for jellyfin (default: ${toString default_port}";
    };

    backup = lib.mkOption {
      type = lib.types.bool;
      default = true;
    };
  };

  config = lib.mkIf cfg.enable {
    
    # declare jellyfin group
    users.groups.jellyfin = { gid = ids; };

    # declare jellyfin user
    users.users.jellyfin = {
      description = "jellyfin media server user";
      uid = ids;
      isSystemUser = true;
      home = data_dir;
      createHome = true;
      group = "jellyfin";
      extraGroups = [ "media" "video" "render" ];
    };

    # enable the jellyfin service
    services.jellyfin = {
      enable = true;
      openFirewall = true;        # Opens 8096/8920 automatically
      user = "jellyfin";          # Default: jellyfin
      group = "jellyfin";         # Default: jellyfin
      dataDir = "/var/lib/jellyfin"; # Config + metadata storage
    };

    # override umask to make permissions work out
    systemd.services.jellyfin.serviceConfig = { UMask = lib.mkForce "0007"; };

    # open firewall
#    networking.firewall.allowedTCPPorts = [ cfg.port ];

    # internal reverse proxy entry
    services.nginx.virtualHosts."jellyfin.snowbelle.lan" = {
      enableACME = false;
      forceSSL = false;
      sslCertificate = config.sops.secrets."ssl_blakedheld_crt".path;
      sslCertificateKey = config.sops.secrets."ssl_blakedheld_key".path;
      locations."/" = {
        proxyPass = "http://127.0.0.1:${toString cfg.port}";
      };
    };

    # external reverse proxy entry
    services.nginx.virtualHosts."media.blakedheld.xyz" = {
      enableACME = false;
      forceSSL = true;
      sslCertificate = config.sops.secrets."ssl_blakedheld_crt".path;
      sslCertificateKey = config.sops.secrets."ssl_blakedheld_key".path;
      locations."/" = {
        proxyPass = "http://127.0.0.1:${toString cfg.port}";
      };
    };

    # add to backups
    modules.system.backups.paths = lib.mkIf cfg.backup [ data_dir ];
  };
}