{ config
, pkgs
, lib
, ...
}:
let
  cfg = config.services.declarative-jellyfin;
  toXml' = (import ../../lib { nixpkgs = pkgs; }).toXMLGeneric;
in
with lib; {
  imports = [
    ./system.nix
    ./encoding.nix
    ./network.nix
    ./branding.nix
  ];
  options.services.declarative-jellyfin = {
    enable = mkEnableOption "Jellyfin Service";
  };

  config =
    mkIf cfg.enable
      (
        let
          isStrList = x: builtins.all (x: builtins.isString x) x;
          prepass = x:
            if (builtins.isAttrs x)
            then
              if !(builtins.hasAttr "tag" x)
              then
                attrsets.mapAttrsToList
                  (tag: value: {
                    inherit tag;
                    content = prepass value;
                  })
                  x
              else if (builtins.hasAttr "content" x)
              then {
                tag = x.tag;
                content = prepass x.content;
              }
              else x
            else if (builtins.isList x)
            then
              if (isStrList x)
              then
                (builtins.map
                  (content: {
                    tag = "string";
                    inherit content;
                  })
                  x)
              else builtins.map prepass x
            else x;

          toXml = tag: x: (toXml' {
            inherit tag;
            attrib = {
              "xmlns:xsi" = "http://www.w3.org/2001/XMLSchema-instance";
              "xmlns:xsd" = "http://www.w3.org/2001/XMLSchema";
            };
            content = prepass x;
          });
        in
        {
          system.activationScripts = {
            link-network-xml =
              lib.stringAfter [ "var" ]
                (
                  let
                    storeFile = pkgs.writeText "network.xml" (toXml "NetworkConfiguration" cfg.network);
                  in
                  ''
                    mkdir -p "/var/lib/jellyfin/config"
                    cp -s "${storeFile}" "/var/lib/jellyfin/config/network.xml"
                  ''
                );
            link-encoding-xml =
              lib.stringAfter [ "var" ]
                (
                  let
                    storeFile = pkgs.writeText "encoding.xml" (toXml "EncodingOptions" cfg.network);
                  in
                  ''
                    mkdir -p "/var/lib/jellyfin/config"
                    cp -s "${storeFile}" "/var/lib/jellyfin/config/encoding.xml"
                  ''
                );
            link-system-xml =
              lib.stringAfter [ "var" ]
                (
                  let
                    storeFile = pkgs.writeText "system.xml" (toXml "ServerConfiguration" cfg.network);
                  in
                  ''
                    mkdir -p "/var/lib/jellyfin/config"
                    cp -s "${storeFile}" "/var/lib/jellyfin/config/system.xml"
                  ''
                );
          };
        }
      );
}