import 'dart:io';

import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter/src/widgets/framework.dart';
import 'package:flutter_map/flutter_map.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:get/get.dart';
import 'package:get/get_core/src/get_main.dart';
import 'package:location/base/base_page.dart';
import 'package:location/data/bean/user_info.dart';
import 'package:location/module/track/track_controller.dart';
import 'package:location/module/track/track_day_detail/track_day_detail_view.dart';
import 'package:location/module/track/track_day_detail/track_share_view.dart';
import 'package:location/resource/colors.gen.dart';
import 'package:location/utils/common_expand.dart';
import 'package:location/utils/common_style.dart';
import 'package:sliding_sheet2/sliding_sheet2.dart';
import '../../resource/assets.gen.dart';
import '../../resource/string.gen.dart';
import '../../router/app_pages.dart';
import '../../utils/fixed_size_tab_indicator.dart';
import '../../widget/common_view.dart';

class TrackPage extends BasePage<TrackController> {
  const TrackPage({super.key});

  static void start(UserInfo userInfo) {
    Get.toNamed(RoutePath.track, arguments: userInfo);
  }

  @override
  bool immersive() {
    return true;
  }

  @override
  Widget buildBody(BuildContext context) {
    return Stack(
      children: [
        _buildHideShareView(),
        SizedBox(
          width: double.infinity,
          height: double.infinity,
          child: MapWidget(
            controller: controller.mapController,
          ),
        ),
        buildBackBtnView(),
        buildMapFunView(),
        SlidingSheet(
          listener: (SheetState state) {
            controller.setSheetProgress(state.progress);
          },
          color: ColorName.white,
          controller: controller.sheetController,
          elevation: 10,
          shadowColor: Colors.black.withOpacity(0.1),
          cornerRadius: 18.w,
          snapSpec: SnapSpec(
            initialSnap: 0.45,
            // Enable snapping. This is true by default.
            snap: true,
            // Set custom snapping points.
            snappings: [SnapSpec.headerSnap, 0.45, 1.0],
            // 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 buildSheetHeadView();
          },
          builder: (context, state) {
            return buildSheetContentView();
          },
        ),
        Visibility(
          visible: Platform.isAndroid,
          child: SafeArea(
            child: Container(
              width: double.infinity,
              padding: EdgeInsets.only(right: 12.w),
              child: Column(
                crossAxisAlignment: CrossAxisAlignment.end,
                children: [
                  Assets.images.iconAmapLogo.image(height: 24.w),
                  Container(
                    padding: EdgeInsets.all(1.w),
                    color: ColorName.white30,
                    child: Text(StringName.locationCo,
                        style: TextStyle(
                            fontSize: 11.sp, color: ColorName.black40)),
                  )
                ],
              ),
            ),
          ),
        ),
      ],
    );
  }

  Widget _buildHideShareView() {
    return RepaintBoundary(
      key: controller.shareGlobalKey,
      child: Obx(() {
        final day = controller.currentTrackDay.value;
        final userInfo = controller.userInfo;
        final shareTrackData = controller.shareTrackData;
        if (shareTrackData != null && day != null && userInfo != null) {
          return TrackShareView(day.start, userInfo, shareTrackData);
        }
        return SizedBox.shrink();
      }),
    );
  }

  Widget buildMapFunView() {
    return Obx(() {
      return Positioned(
        right: 0.w,
        bottom: 110.w + controller.sheetProgress * 0.77.sh,
        child: Column(
          children: [
            GestureDetector(
              onTap: controller.onCurrentLocationClick,
              child: Container(
                  margin: EdgeInsets.only(right: 12.w),
                  child: Opacity(
                    opacity: controller.sheetProgress < 0.6
                        ? 1.0
                        : 1.0 -
                            ((controller.sheetProgress - 0.6) / 0.4)
                                .clamp(0.0, 1.0),
                    child: Assets.images.iconMainRefreshMineLocation
                        .image(width: 42.w, height: 42.w),
                  )),
            ),
          ],
        ),
      );
    });
  }

  Widget buildBackBtnView() {
    return SafeArea(
      child: GestureDetector(
        onTap: controller.back,
        child: Container(
          margin: EdgeInsets.only(top: 14.w, left: 12.w),
          decoration: BoxDecoration(boxShadow: [
            BoxShadow(
              color: Colors.black.withOpacity(0.05),
              blurRadius: 10.w,
              offset: Offset(0, 2.w),
            ),
          ]),
          child: CommonView.getBackBtnView(),
        ),
      ),
    );
  }

  Widget buildSheetContentView() {
    return SizedBox(
      height: 0.77.sh,
      width: double.infinity,
      child: Obx(() {
        return Visibility(
          visible: controller.tabController != null,
          child: Column(
            children: [
              SizedBox(
                width: double.infinity,
                child: TabBar(
                  controller: controller.tabController,
                  tabAlignment: TabAlignment.start,
                  isScrollable: true,
                  dividerHeight: 0,
                  indicator: FixedSizeTabIndicator(
                      width: 26.w,
                      height: 3.w,
                      radius: 0,
                      color: ColorName.colorPrimary),
                  unselectedLabelStyle:
                      TextStyle(fontSize: 13.sp, color: '#666666'.color),
                  labelStyle: TextStyle(
                      fontSize: 13.sp,
                      color: '#333333'.color,
                      fontWeight: FontWeight.bold),
                  tabs: controller.daysList.map((e) {
                    return Tab(
                      text: e.day,
                    );
                  }).toList(),
                ),
              ),
              Container(
                color: '#EEEEEE'.color,
                height: 1.w,
                width: double.infinity,
              ),
              Expanded(
                  child: TabBarView(
                controller: controller.tabController,
                children: List.generate(
                    controller.daysList.length,
                    (index) => TrackDayDetailView(controller.daysList[index],
                        isExpand: index == 0)),
              )),
            ],
          ),
        );
      }),
    );
  }

  Widget buildSheetHeadView() {
    return IntrinsicHeight(
        child: Column(
      children: [
        SizedBox(height: 5.w),
        Align(
          alignment: Alignment.center,
          child: Container(
            width: 32.w,
            height: 3.w,
            decoration: BoxDecoration(
              color: '#D9D9D9'.color,
              borderRadius: BorderRadius.circular(49.w),
            ),
          ),
        ),
        SizedBox(height: 25.w),
        buildTrackHeaderView(),
        SizedBox(height: 20.w),
      ],
    ));
  }

  Widget buildTrackHeaderView() {
    return Row(
      children: [
        SizedBox(width: 14.w),
        Obx(() {
          return buildCustomAvatarOrDefaultAvatarView(
              size: 32.w,
              avatar: controller.userInfo?.avatar,
              isMine: controller.userInfo?.isMine == true);
        }),
        SizedBox(width: 10.w),
        Expanded(
          child: Text(
            '${controller.userInfo?.getUserNickName() ?? ''}的轨迹',
            style: TextStyle(
                overflow: TextOverflow.ellipsis,
                fontSize: 16.sp,
                color: ColorName.black80,
                fontWeight: FontWeight.bold),
          ),
        ),
        SizedBox(width: 12.w),
      ],
    );
  }
}