import 'package:flutter_inappwebview/flutter_inappwebview.dart';
import 'package:get/get.dart';
import 'package:hgdj/hj_page/mine/mine_vip/pay_order_source.dart';
import 'package:hgdj/routers/jump_router.dart';

class H5Logic extends GetxController {
  // ========== 属性声明 ==========
  final String? url;

  H5Logic({this.url});

  InAppWebViewController? webViewCtr;

  // url 兜底空字符串，防 null 强解包崩溃
  URLRequest get initialUrlRequest => URLRequest(url: WebUri(url ?? ''));

  // ========== 公开方法 ==========
  void onWebViewCreated(InAppWebViewController controller) {
    webViewCtr = controller;
    _setupHandlers(controller);
  }

  // ========== 私有方法 ==========
  // 注册 H5 与 native 的 JS 桥
  void _setupHandlers(InAppWebViewController controller) {
    controller.addJavaScriptHandler(
        handlerName: 'prizeBack', callback: (_) => Get.back());
    controller.addJavaScriptHandler(
        handlerName: 'shopBack', callback: (_) => Get.back());
    // 跳金币充值
    controller.addJavaScriptHandler(
      handlerName: 'shopCharge',
      callback: (_) => pushToWalletPage(
          tabPosition: 1, sourcePage: PaySourcePage.h5Activity),
    );
    // H5 触发外部链接跳转
    controller.addJavaScriptHandler(
      handlerName: 'jumpOutLink',
      callback: (args) {
        if (args.isNotEmpty && args[0] is String) {
          pushToPageByLink(args[0] as String);
        }
      },
    );
    // H5 触发：直接跳系统外部浏览器（callHandler('openOutLink', url)）
    controller.addJavaScriptHandler(
      handlerName: 'openOutLink',
      callback: (args) {
        if (args.isNotEmpty && args[0] is String) {
          launchUrlToWeb(args[0] as String);
        }
      },
    );
  }
}