import 'dart:async';

import 'package:flutter/gestures.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:go_router/go_router.dart';
import 'package:news_app/widget/my_txt.dart';

import '../../constant/color_res.dart';
import '../../gen/assets.gen.dart';
import '../../util/shared_prefs_instance_util.dart';

/// @author: bo.zeng
/// @email: cnhbwds@gmail.com
/// @date: 2025 2025/4/9 16:00
/// @description:
class SplashPage extends StatefulWidget {
  const SplashPage({super.key});

  @override
  State<SplashPage> createState() => _SplashPageState();
}

class _SplashPageState extends State<SplashPage> {
  TapGestureRecognizer? aa;

  @override
  void initState() {
    super.initState();

    // 延迟 3 秒执行跳转逻辑
    Future.delayed(const Duration(seconds: 3), () async {
      bool? first = await getIsFirst();
      // 确保页面未被销毁
      if (!mounted) return;
      if (first == true) {
        context.go('/main');
      } else {
        _showFirstDialog(context);
      }
    });
  }

  @override
  void dispose() {
    aa?.dispose();
    super.dispose();
  }

  void _showFirstDialog(BuildContext context) {
    aa = TapGestureRecognizer();
    aa?.onTap = () {
      context.push("/user/privacy");
    };
    showDialog(
      context: context,
      builder: (context) {
        return AlertDialog(
          content: SizedBox(
            height: 200.h,
            width: 220.w,
            child: SingleChildScrollView(
              child: Column(
                children: [
                  Text(
                    "个人信息保护提示",
                    style: TextStyle(fontSize: 14.sp, color: Colors.black),
                  ),
                  Text.rich(
                    TextSpan(
                      children: [
                        TextSpan(
                          text: "欢迎使用新消费传媒!我们将通过",
                          style: TextStyle(
                            fontSize: 12.sp,
                            color: Colors.black,
                          ),
                        ),
                        TextSpan(
                          text: "《用户协议》",
                          style: TextStyle(fontSize: 12.sp, color: Colors.blue),
                          recognizer: aa,
                          // recognizer: _tapRecognizer
                        ),
                        TextSpan(
                          text: "和",
                          style: TextStyle(
                            fontSize: 12.sp,
                            color: Colors.black,
                          ),
                        ),
                        TextSpan(
                          text: "《隐私政策》",
                          style: TextStyle(fontSize: 12.sp, color: Colors.blue),
                          recognizer: aa,
                        ),
                        TextSpan(
                          text:
                              "和帮助您了解我们为您提供的服务、"
                              "我们如何处理个人信息以及您享有的权利。我们会严格按照相关法律法规要求，采取各种安全措施来保护您的个人信息。\n"
                              "点击“同意”按钮，表示您已知情并同意以上协议和以下约定。\n"
                              "1.为了保障软件的安全运行和账户安全我们会申请收集您的设备信息、IP地址WLAN MAC地址。\n"
                              "2.上传或拍摄图片、视频，需要使用您的媒体影音、图片、视频、音频、相机、麦克风权限。\n"
                              "3.我们可能会申请位置权限，用于为您推荐您可能感兴趣的内容。\n"
                              "4.我们尊重您的选择权，您可以访问、修改、删除您的个人信息并管理您的授权，我们也为您提供注销、投诉渠道。",
                          style: TextStyle(
                            fontSize: 12.sp,
                            color: Colors.black,
                          ),
                        ),
                      ],
                    ),
                  ),
                ],
              ),
            ),
          ),
          actions: [
            GestureDetector(
              onTap: () {
                saveIsFirst();
                context.go('/main');
              },
              child: Container(
                alignment: Alignment.center,
                padding: EdgeInsets.symmetric(vertical: 6.h),
                decoration: BoxDecoration(
                  color: colorE71717,
                  borderRadius: BorderRadius.circular(10.r),
                ),
                child: myTxt(text: "同意", color: Colors.white, fontSize: 14.sp),
              ),
            ),
            GestureDetector(
              onTap: () {
                SystemNavigator.pop();
              },
              child: Container(
                margin: EdgeInsets.only(top: 5.h),
                padding: EdgeInsets.symmetric(vertical: 6.h),
                alignment: Alignment.center,
                child: myTxt(text: "不同意", color: Colors.black, fontSize: 14.sp),
              ),
            ),
          ],
        );
      },
    );
  }

  @override
  Widget build(BuildContext context) {
    double w = MediaQuery.of(context).size.width;
    double h = MediaQuery.of(context).size.height;
    return Scaffold(
      body: Center(
        child: Stack(
          alignment: Alignment.center,
          children: [
            Image.asset(
              Assets.images.splashBg.path,
              fit: BoxFit.cover,
              width: w,
              height: h,
            ),
          ],
        ),
      ),
    );
  }
}