import 'dart:io';

import 'package:app_links/app_links.dart';
import 'package:pixes/foundation/app.dart';
import 'package:pixes/foundation/log.dart';
import 'package:pixes/pages/illust_page.dart';
import 'package:pixes/pages/novel_page.dart';
import 'package:pixes/pages/user_info_page.dart';
import 'package:win32_registry/win32_registry.dart';

Future<void> _register(String scheme) async {
  String appPath = Platform.resolvedExecutable;

  String protocolRegKey = 'Software\\Classes\\$scheme';
  RegistryValue protocolRegValue = const RegistryValue(
    'URL Protocol',
    RegistryValueType.string,
    '',
  );
  String protocolCmdRegKey = 'shell\\open\\command';
  RegistryValue protocolCmdRegValue = RegistryValue(
    '',
    RegistryValueType.string,
    '"$appPath" "%1"',
  );

  final regKey = Registry.currentUser.createKey(protocolRegKey);
  regKey.createValue(protocolRegValue);
  regKey.createKey(protocolCmdRegKey).createValue(protocolCmdRegValue);
}

bool Function(Uri uri)? onLink;

void handleLinks() async {
  if (App.isWindows) {
    await _register("pixiv");
  }
  AppLinks().uriLinkStream.listen((uri) {
    Log.info("App Link", uri.toString());
    if (onLink?.call(uri) == true) {
      return;
    }
    handleLink(uri);
  });
}

bool handleLink(Uri uri) {
  if (uri.scheme == "pixiv") {
    var path = uri.toString().split("/").sublist(2);
    if (path.isEmpty) {
      return false;
    }
    switch (path[0]) {
      case "users":
        if (path.length == 2) {
          App.mainNavigatorKey?.currentContext?.to(() => UserInfoPage(path[1]));
          return true;
        }
      case "novels":
        if (path.length == 2) {
          App.mainNavigatorKey?.currentContext
              ?.to(() => NovelPageWithId(path[1]));
          return true;
        }
      case "illusts":
        if (path.length == 2) {
          App.mainNavigatorKey?.currentContext
              ?.to(() => IllustPageWithId(path[1]));
          return true;
        }
    }
    return false;
  }
  return false;
}