dating_touchme_app/lib/pages/home/timeline_page.dart

import 'package:dating_touchme_app/controller/home/timeline_controller.dart';
import 'package:dating_touchme_app/extension/ex_widget.dart';
import 'package:dating_touchme_app/generated/assets.dart';
import 'package:dating_touchme_app/pages/home/recommend_window.dart';
import 'package:dating_touchme_app/pages/home/send_timeline.dart';
import 'package:dating_touchme_app/pages/home/timeline_trend.dart';
import 'package:dating_touchme_app/pages/home/timeline_window.dart';
import 'package:flutter/material.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:get/get.dart';
import 'package:dating_touchme_app/controller/home/home_controller.dart';
import 'package:dating_touchme_app/pages/home/recommend_tab.dart';
import 'package:dating_touchme_app/pages/home/nearby_tab.dart';

class TimelinePage extends StatefulWidget {
  const TimelinePage({super.key});

  @override
  State<TimelinePage> createState() => _TimelinePageState();
}

class _TimelinePageState extends State<TimelinePage>
    with AutomaticKeepAliveClientMixin {
  @override
  void initState() {
    super.initState();
    // 确保 HomeController 已注册
    if (!Get.isRegistered<TimelineController>()) {
      Get.put(TimelineController());
    }
  }

  @override
  Widget build(BuildContext context) {
    super.build(context);
    return GetBuilder<TimelineController>(
      builder: (controller) {
        return Stack(
          children: [
            Positioned.fill(
              child: Container(
                color: Colors.white,
              ),
            ),
            // 背景图 - 覆盖整个屏幕包括状态栏和导航栏
            Image.asset(
              Assets.imagesBgInformation,
              fit: BoxFit.cover,
              width: double.infinity,
              height: double.infinity,
            ),
            Scaffold(
              backgroundColor: Colors.transparent,
              appBar: _buildAppBar(controller),
              body: Stack(
                children: [
                  Obx(() {
                    // 使用 IndexedStack 保持两个列表的状态，根据当前选中的标签显示对应的列表
                    return IndexedStack(
                      index: controller.topTab.value,
                      children: [
                        // // 推荐列表
                        // RecommendWindow(),
                        // 同城列表
                        const TimelineWindow(),
                        Container()
                      ],
                    );
                  }),
                  Positioned(
                    bottom: 44.w,
                    right: 3.w,
                    child: Image.asset(
                      Assets.imagesPublish,
                      width: 60.w,
                    ).onTap((){
                      Get.to(() => SendTimeline());
                    }),
                  )
                ],
              ),
            ),
          ],
        );
      },
    );
  }

  PreferredSizeWidget _buildAppBar(TimelineController controller) {
    return AppBar(
      backgroundColor: Colors.transparent,
      elevation: 0,
      centerTitle: true,
      toolbarHeight: 56,
      titleSpacing: 0,
      title: Row(
        mainAxisAlignment: MainAxisAlignment.center,
        mainAxisSize: MainAxisSize.min,
        children: [
          // _buildTabButton(title: '推荐', index: 0, controller: controller),
          // const SizedBox(width: 28),
          _buildTabButton(title: '广场', index: 0, controller: controller),
        ],
      ),
      bottom: const PreferredSize(
        preferredSize: Size.fromHeight(4),
        child: SizedBox(height: 4),
      ),
      actions: [
        Container(
          margin: EdgeInsets.only(right: 15),
          child: Icon(
            Icons.email_outlined,
            size: 19,
          ),
        ).onTap((){
          Get.to(() => TimelineTrend());
        })
      ],
    );
  }

  Widget _buildTabButton({
    required String title,
    required int index,
    required TimelineController controller,
  }) {
    final bool selected = controller.topTab.value == index;
    return GestureDetector(
      onTap: () {
        print('Tab $index clicked');
        if (controller.topTab.value != index) {
          controller.setTopTab(index);
          // 确保状态更新后刷新UI
          controller.update();
        }
      },
      child: Column(
        mainAxisSize: MainAxisSize.min,
        crossAxisAlignment: CrossAxisAlignment.center,
        children: [
          Text(
            title,
            style: TextStyle(
              fontSize: selected ? 19 : 17,
              fontWeight: selected ? FontWeight.w700 : FontWeight.w400,
              color: selected
                  ? const Color(0xFF333333)
                  : const Color(0xFF999999),
            ),
          ),
          const SizedBox(height: 6),
          selected
              ? Image.asset(Assets.imagesTabChangeIcon, width: 32, height: 8)
              : const SizedBox(height: 8),
        ],
      ),
    );
  }

  @override
  bool get wantKeepAlive => true;
}