import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter_map/flutter_map.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:get/get.dart';
import 'package:location/base/base_page.dart';
import 'package:location/data/bean/user_info.dart';
import 'package:location/module/main/main_controller.dart';
import 'package:location/resource/assets.gen.dart';
import 'package:location/resource/colors.gen.dart';
import 'package:location/resource/string.gen.dart';
import 'package:location/utils/common_expand.dart';
import 'package:sliding_sheet2/sliding_sheet2.dart';

import '../../router/app_pages.dart';
import 'main_friend_item.dart';

class MainPage extends BasePage<MainController> {
  const MainPage({super.key});

  static start({bool? isNotClear, Map<String, dynamic>? arguments}) {
    if (isNotClear == null || !isNotClear) {
      Get.offAllNamed(RoutePath.mainTab, arguments: arguments);
    } else {
      Get.toNamed(RoutePath.mainTab, arguments: arguments);
    }
  }

  @override
  bool immersive() {
    return true;
  }

  @override
  Widget buildBody(BuildContext context) {
    return PopScope(
      canPop: false,
      onPopInvokedWithResult: (bool didPop, dynamic result) {
        controller.onAppBack();
      },
      child: Stack(
        children: [
          buildMapView(),
          buildMapFunView(),
          buildMainBottomView(),
          buildFriendListView(),
        ],
      ),
    );
  }

  Widget buildMapView() {
    return Padding(
      padding: EdgeInsets.only(bottom: 50.h),
      child: SizedBox(
          width: double.infinity,
          child: MapWidget(
            controller: controller.mapController,
            onMarkerTap: controller.onMarkerTap,
          )),
    );
  }

  Widget buildMainBottomView() {
    return SlidingSheet(
      color: '#F9F9F9'.color,
      elevation: 10,
      shadowColor: Colors.black.withOpacity(0.1),
      cornerRadius: 18.w,
      snapSpec: SnapSpec(
        initialSnap: SnapSpec.headerFooterSnap,
        // Enable snapping. This is true by default.
        snap: true,
        // Set custom snapping points.
        snappings: [SnapSpec.headerFooterSnap, SnapSpec.expanded],
        // Define to what the snappings relate to. In this case,
        // the total available space that the sheet can expand to.
        positioning: SnapPositioning.relativeToAvailableSpace,
      ),
      // headerBuilder: (context, state) {
      //   return Container(
      //     height: 56,
      //     width: double.infinity,
      //     color: Colors.green,
      //     alignment: Alignment.center,
      //     child: Text(
      //       'This is the header',
      //     ),
      //   );
      // },
      footerBuilder: buildFooterBuilder,
      headerBuilder: buildHeaderBuilder,
      builder: buildTrackEntranceBuilder,
    );
  }

  Widget buildTrackEntranceBuilder(BuildContext context, SheetState state) {
    return Container(
      height: 200.w,
      width: 1.sw,
    );
  }

  Widget buildFriendListView() {
    return SafeArea(
      child: Container(
        margin: EdgeInsets.only(top: 26.w),
        child: Row(
          children: [
            Expanded(child: buildMainFriendList()),
            GestureDetector(
              onTap: () {
                controller.onAddFriendClick();
              },
              child: Container(
                  margin: EdgeInsets.only(right: 16.w, left: 8.w),
                  child: Assets.images.iconMainAddFriend
                      .image(width: 60.w, height: 60.w)),
            )
          ],
        ),
      ),
    );
  }

  Widget buildMapFunView() {
    return Positioned(
      right: 0.w,
      bottom: 230.w,
      child: Column(
        children: [
          GestureDetector(
            onTap: controller.onRefreshFriendLocationClick,
            child: Container(
                margin: EdgeInsets.only(right: 12.w),
                child: Assets.images.iconMainRefreshFriendLocation
                    .image(width: 42.w, height: 42.w)),
          ),
          SizedBox(height: 14.w),
          GestureDetector(
            onTap: controller.onCurrentLocationClick,
            child: Container(
                margin: EdgeInsets.only(right: 12.w),
                child: Assets.images.iconMainRefreshMineLocation
                    .image(width: 42.w, height: 42.w)),
          ),
          SizedBox(height: 20.w)
        ],
      ),
    );
  }

  Container buildTabContainer() {
    return Container(
        decoration: BoxDecoration(
          color: ColorName.white,
          borderRadius: BorderRadius.only(
            topLeft: Radius.circular(20.w),
            topRight: Radius.circular(20.w),
          ),
          boxShadow: [
            BoxShadow(
              color: ColorName.black.withOpacity(0.01),
              blurRadius: 10,
              offset: const Offset(0, -2), // changes position of shadow
            ),
          ],
        ),
        padding: EdgeInsets.only(top: 13.w, bottom: 23.w),
        child: buildMainFunList());
  }

  Widget buildMainFunList() {
    return Row(
      children: [
        Expanded(
            child: buildFunItem(
                Assets.images.iconMainFriendGuard.provider(),
                StringName.mainFriendListTab,
                () => controller.onFriendClick())),
        Expanded(child: Obx(() {
          return buildFunItem(Assets.images.iconMainNews.provider(),
              StringName.mainNewsTab, () => controller.onNewsClick(),
              isShowDot: controller.hasUnreadMessage);
        })),
        Expanded(
            child: buildFunItem(
                Assets.images.iconMainHelp.provider(),
                StringName.mainHelpTab,
                () => controller.onUrgentContactClick())),
        Expanded(
            child: buildFunItem(Assets.images.iconMainMine.provider(),
                StringName.mainMineTab, () => controller.onMineClick()))
      ],
    );
  }

  Widget buildFunItem(ImageProvider imgProvider, String title, Function() onTap,
      {bool? isShowDot}) {
    return GestureDetector(
      onTap: onTap,
      child: IntrinsicHeight(
        child: Column(
          children: [
            Stack(children: [
              SizedBox(
                  width: 44.w, height: 44.w, child: Image(image: imgProvider)),
              Visibility(
                visible: isShowDot ?? false,
                child: Positioned(
                  top: 6.w,
                  right: 6.w,
                  child: Container(
                    width: 10.w,
                    height: 10.w,
                    decoration: BoxDecoration(
                      shape: BoxShape.circle,
                      color: '#FF333D'.color, // 背景颜色
                    ),
                  ),
                ),
              )
            ]),
            Text(title,
                style: TextStyle(
                    fontSize: 12.sp,
                    color: ColorName.black70,
                    fontWeight: FontWeight.bold))
          ],
        ),
      ),
    );
  }

  Widget buildSelectFriendInfoView() {
    return Obx(() {
      UserInfo? userInfo = controller.selectedFriend;
      if (userInfo == null) {
        return SizedBox(
          height: 86.w,
        );
      }
      return mainSelectedFriendItem(
          userInfo,
          (controller.memberStatusInfo.value == null ||
              controller.memberStatusInfo.value?.expired == true),
          viewTraceClick: () => controller.onViewTraceClick(userInfo));
    });
  }

  Widget buildMainFriendList() {
    return SizedBox(
      height: 58.w,
      child: Obx(() {
        return ListView(
          physics: const BouncingScrollPhysics(
              parent: AlwaysScrollableScrollPhysics()),
          padding: EdgeInsets.only(left: 12.w),
          scrollDirection: Axis.horizontal,
          children: [
            for (UserInfo userInfo in controller.integrateList)
              Obx(() {
                return mainFriendItem(
                    userInfo, controller.selectedFriend?.id == userInfo.id,
                    onTap: () {
                  controller.onSelectUserClick(userInfo);
                });
              })
          ],
        );
      }),
    );
  }

  Widget buildFooterBuilder(BuildContext context, SheetState state) {
    return buildTabContainer();
  }

  Widget buildHeaderBuilder(BuildContext context, SheetState state) {
    return IntrinsicHeight(
      child: Column(
        children: [
          SizedBox(height: 5.w),
          Container(
            width: 32.w,
            height: 3.w,
            decoration: BoxDecoration(
                color: '#D9D9D9'.color,
                borderRadius: BorderRadius.all(Radius.circular(49.w))),
          ),
          SizedBox(height: 12.w),
          buildSelectFriendInfoView(),
          SizedBox(height: 13.w)
        ],
      ),
    );
  }
}