import 'dart:io';
import 'dart:ui';

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/module/main/today_track_helper.dart';
import 'package:location/module/main/view.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:location/widget/shimmer_effect.dart';
import 'package:sliding_sheet2/sliding_sheet2.dart';
import 'package:visibility_detector/visibility_detector.dart';
import '../../data/consts/constants.dart';
import '../../router/app_pages.dart';
import '../../utils/common_style.dart';
import '../../utils/common_util.dart';
import '../../widget/activity_countdown_txt_view.dart';
import '../../widget/marquee_text.dart';
import '../../widget/relative_time_text.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: Column(
        children: [
          Expanded(
              child: Stack(
            children: [
              buildMapView(),
              buildMapFunView(),
              buildMainBottomView(),
              buildFriendListView(),
            ],
          )),
          buildTabContainer()
        ],
      ),
    );
  }

  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 Obx(() {
      if (controller.lastSelectedGoods == null) {
        return buildSlidingSheet(false);
      } else {
        return buildSlidingSheet(true);
      }
    });
  }

  SlidingSheet buildSlidingSheet(bool isShowActivity) {
    return SlidingSheet(
      key: Key(isShowActivity ? 'activity_view' : 'not_activity_view'),
      color: ColorName.transparent,
      snapSpec: SnapSpec(
        initialSnap: SnapSpec.headerSnap,
        // Enable snapping. This is true by default.
        snap: true,
        // Set custom snapping points.
        snappings: [SnapSpec.headerSnap, 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: (BuildContext context, SheetState state) {
        return buildHeaderView(isShowActivity);
      },
      builder: buildTrackEntranceBuilder,
    );
  }

  Widget buildTrackEntranceBuilder(BuildContext context, SheetState state) {
    return VisibilityDetector(
      key: Key('main_today_track'),
      onVisibilityChanged: (VisibilityInfo info) {
        final visibleFraction = info.visibleFraction;
        controller.onFriendVisibleFraction(visibleFraction);
      },
      child: Container(
        color: '#F9F9F9'.color,
        child: AspectRatio(
          aspectRatio: 336 / 134,
          child: Container(
              margin: EdgeInsets.only(left: 12.w, right: 12.w, bottom: 12.w),
              decoration: BoxDecoration(
                  color: Colors.white,
                  borderRadius: BorderRadius.circular(20.r)),
              child: Obx(() {
                final todayTrack = controller.selectedFriend?.id == null
                    ? null
                    : controller
                        .todayTrackReportMap[controller.selectedFriend?.id];
                return buildTodayTrackView(todayTrack);
              })),
        ),
      ),
    );
  }

  Widget buildTodayTrackView(TodayTrackReportBean? todayTrack) {
    return Stack(children: [
      buildTodayTrackDetailView(todayTrack),
      Visibility(
          visible:
              todayTrack == null || todayTrack.isRequestSuccess.value == false,
          child: buildTodayTrackLoadingView()),
      Visibility(
          visible: controller.memberStatusInfo.value == null ||
              controller.memberStatusInfo.value?.expired == true,
          child: buildNoMemberView())
    ]);
  }

  Widget buildNoMemberView() {
    return GestureDetector(
        onTap: controller.onTrackNoMemberClick,
        child: Assets.images.imgTrackNoMemberTips
            .image(width: double.infinity, fit: BoxFit.fill));
  }

  Widget buildTodayTrackLoadingView() {
    return Container(
      width: double.infinity,
      height: double.infinity,
      decoration: BoxDecoration(
          color: Colors.white, borderRadius: BorderRadius.circular(20.r)),
      child: Column(
        mainAxisAlignment: MainAxisAlignment.center,
        children: [
          CupertinoActivityIndicator(
            color: '#A3A3A5'.color,
            radius: 16.w,
          ),
          SizedBox(height: 15.w),
          Text(StringName.mainTodayTrackLoading,
              style: TextStyle(
                  fontSize: 14.sp, color: '#666666'.color.withOpacity(0.87)))
        ],
      ),
    );
  }

  Widget buildTodayTrackDetailView(TodayTrackReportBean? todayTrackReportBean) {
    return GestureDetector(
      behavior: HitTestBehavior.opaque,
      onTap: controller.onTodayTraceClick,
      child: Padding(
        padding:
            EdgeInsets.only(left: 12.w, right: 12.w, top: 12.w, bottom: 9.w),
        child: Column(
          children: [
            Row(
              children: [
                Text(StringName.todaySimpleTrack,
                    style: TextStyle(
                        fontSize: 13.sp,
                        color: '#333333'.color,
                        fontWeight: FontWeight.bold)),
                Spacer(),
                Assets.images.iconMainTrackArrow
                    .image(width: 10.w, height: 10.w),
              ],
            ),
            SizedBox(height: 7.w),
            buildSelectedFriendTodayTrackDetailView(todayTrackReportBean),
          ],
        ),
      ),
    );
  }

  Widget buildSelectedFriendTodayTrackDetailView(
      TodayTrackReportBean? todayTrackReportBean) {
    final startAddr = todayTrackReportBean?.startPoint?.addr;

    final errorAddr = todayTrackReportBean?.exceptionPoint?.addr;

    MainTrackType startPointType = startAddr?.isNotEmpty == true
        ? MainTrackType.startPoint
        : MainTrackType.normalPoint;

    MainTrackType errorPointType = errorAddr?.isNotEmpty == true
        ? MainTrackType.errorPoint
        : MainTrackType.normalPoint;

    Color startPointColor;
    if (startPointType == MainTrackType.startPoint) {
      startPointColor = '#15CBA1'.color;
    } else if (startPointType == MainTrackType.errorPoint) {
      startPointColor = '#E94949'.color;
    } else {
      startPointColor = '#D6D6D6'.color;
    }

    Color errorPointColor;
    if (errorPointType == MainTrackType.errorPoint) {
      errorPointColor = '#E94949'.color;
    } else {
      errorPointColor = '#D6D6D6'.color;
    }

    return Expanded(
        child: Row(
      children: [
        Container(
          margin: EdgeInsets.only(bottom: 3.w, top: 3.w),
          child: AspectRatio(
            aspectRatio: 1,
            child: Stack(
              children: [
                buildTodayMapView(todayTrackReportBean),
                GestureDetector(
                  behavior: HitTestBehavior.opaque,
                  onTap: controller.onTodayTraceClick,
                  child: SizedBox(
                    width: double.infinity,
                    height: double.infinity,
                  ),
                )
              ],
            ),
          ),
        ),
        SizedBox(width: 10.w),
        Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            SizedBox(height: 6.w),
            getMainTrackDot(startPointColor),
            Expanded(
              child: Container(
                margin: EdgeInsets.symmetric(vertical: 4.w),
                width: 1.w,
                height: double.infinity,
                decoration: BoxDecoration(
                  color: '#F0F0F0'.color,
                  borderRadius: BorderRadius.circular(100.r),
                ),
              ),
            ),
            getMainTrackDot(errorPointColor),
            SizedBox(height: 6.w),
          ],
        ),
        SizedBox(width: 8.w),
        Expanded(
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              Visibility(
                  visible: startPointType == MainTrackType.normalPoint,
                  child: SizedBox(height: 2.w)),
              buildTrackPoint(startPointType, startAddr ?? ''),
              Spacer(),
              buildTrackPoint(errorPointType, errorAddr ?? ''),
              Visibility(
                  visible: errorPointType == MainTrackType.normalPoint,
                  child: SizedBox(height: 5.w))
            ],
          ),
        )
      ],
    ));
  }

  Widget buildTodayMapView(TodayTrackReportBean? todayTrackReportBean) {
    return ClipRRect(
        borderRadius: BorderRadius.circular(8.r),
        child: MapWidget(
          controller: controller.todayTrackSmallMapController,
          isShowLogo: false,
          interactionIsEnabled: false,
          mapPadding: todayTrackReportBean?.mapPadding,
          markers: todayTrackReportBean?.markers,
          polyline: todayTrackReportBean?.polylines,
        ));
  }

  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 Obx(() {
      return Positioned(
        right: 0.w,
        bottom: controller.lastSelectedGoods == null ? 140.w : 180.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(
                Platform.isIOS
                    ? Assets.images.iconMainFriendGuard.provider()
                    : Assets.images.iconMainFriendGuardAndroid.provider(),
                StringName.mainFriendListTab,
                () => controller.onFriendClick())),
        Expanded(child: Obx(() {
          return buildFunItem(
              Platform.isIOS
                  ? Assets.images.iconMainNews.provider()
                  : Assets.images.iconMainNewsAndroid.provider(),
              StringName.mainNewsTab,
              () => controller.onNewsClick(),
              isShowDot: controller.hasUnreadMessage);
        })),
        Expanded(
            child: buildFunItem(
                Platform.isIOS
                    ? Assets.images.iconMainHelp.provider()
                    : Assets.images.iconMainHelpAndroid.provider(),
                StringName.mainHelpTab,
                () => controller.onUrgentContactClick())),
        Expanded(
            child: buildFunItem(
                Platform.isIOS
                    ? Assets.images.iconMainMine.provider()
                    : Assets.images.iconMainMineAndroid.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 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 buildHeaderView(false);
  }

  Widget buildHeaderView(bool isShowActivity) {
    return IntrinsicHeight(
      child: Stack(
        alignment: Alignment.topCenter,
        children: [
          Visibility(
            visible: isShowActivity,
            child: Assets.images.bgMemberActivityMain
                .image(width: 336.w, height: 67.w),
          ),
          Visibility(visible: isShowActivity, child: buildActivityMemberView()),
          Column(
            children: [
              Visibility(
                  visible: isShowActivity, child: SizedBox(height: 58.w)),
              Container(
                width: double.infinity,
                decoration: BoxDecoration(
                  color: '#F9F9F9'.color,
                  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
                    ),
                  ],
                ),
                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)
                  ],
                ),
              )
            ],
          )
        ],
      ),
    );
  }

  Widget buildActivityMemberView() {
    return GestureDetector(
      behavior: HitTestBehavior.opaque,
      onTap: controller.onBuyMemberActivityClick,
      child: Container(
        height: 58.w,
        margin: EdgeInsets.only(left: 12.w, right: 12.w),
        child: ShimmerEffect(
            image: Assets.images.imgMemberBtnShadow.provider(),
            child: Stack(
              children: [
                Row(
                  children: [
                    SizedBox(width: 12.w),
                    Assets.images.iconMemberActivityCoupon
                        .image(width: 40.w, height: 40.w),
                    SizedBox(width: 8.w),
                    Column(
                      crossAxisAlignment: CrossAxisAlignment.start,
                      children: [
                        Spacer(flex: 1),
                        Row(
                          children: [
                            Text('您有一订单未支付专属优惠券',
                                style: TextStyle(
                                    fontSize: 10.sp,
                                    color: ColorName.white87,
                                    fontWeight: FontWeight.bold)),
                            Obx(() {
                              return Text(
                                  ' -¥${(((controller.lastSelectedGoods?.originalAmount ?? 0) - (controller.lastSelectedGoods?.amount ?? 0)) / 100).toInt()}',
                                  style: TextStyle(
                                      fontSize: 20.sp,
                                      color: '#E7DBA7'.color,
                                      fontWeight: FontWeight.bold));
                            })
                          ],
                        ),
                        Row(
                          children: [
                            Obx(() {
                              return ActivityCountdownTextView(
                                  timeItemHeight: 15.w,
                                  contentPadding: EdgeInsets.zero,
                                  timeItemWidth: 16.w,
                                  textStyle: TextStyle(
                                      fontSize: 10.sp, color: '#322C54'.color),
                                  duration: controller.activityDuration ??
                                      Duration(seconds: 0),
                                  separator: buildCountdownSeparator(),
                                  timeBgBoxDecoration: BoxDecoration(
                                    gradient: LinearGradient(
                                        colors: [
                                          ColorName.white,
                                          ColorName.white87
                                        ],
                                        begin: Alignment.topCenter,
                                        end: Alignment.bottomCenter),
                                    borderRadius: BorderRadius.circular(3.w),
                                  ));
                            }),
                            SizedBox(width: 4.w),
                            Text(
                              StringName.memberActivitySpeciallyPreferential,
                              style: TextStyle(
                                  fontSize: 10.sp,
                                  color: ColorName.white87,
                                  fontWeight: FontWeight.bold),
                            )
                          ],
                        ),
                        Spacer(flex: 4),
                      ],
                    ),
                  ],
                ),
                Positioned(
                  top: 15.w,
                  bottom: 14.w,
                  right: 10.w,
                  child: Container(
                      decoration: BoxDecoration(
                        borderRadius: BorderRadius.circular(100.w),
                        gradient: LinearGradient(
                            colors: [
                              '#FFFEF3'.color,
                              '#FFE5A3'.color,
                            ],
                            begin: Alignment.topCenter,
                            end: Alignment.bottomCenter),
                      ),
                      padding: EdgeInsets.symmetric(horizontal: 12.w),
                      child: Center(
                        child: Text(StringName.memberActivityToBuy,
                            style: TextStyle(
                                fontSize: 14.sp,
                                color: '#40338B'.color,
                                height: 1,
                                fontWeight: FontWeight.bold)),
                      )),
                )
              ],
            )),
      ),
    );
  }

  Widget buildCountdownSeparator() {
    return Container(
      margin: EdgeInsets.symmetric(horizontal: 2.w),
      child: IntrinsicHeight(
        child: Column(
          children: [
            Container(
              width: 2.w,
              height: 2.w,
              decoration: BoxDecoration(
                color: ColorName.white87,
                shape: BoxShape.circle,
              ),
            ),
            SizedBox(height: 3.w),
            Container(
              width: 2.w,
              height: 2.w,
              decoration: BoxDecoration(
                color: ColorName.white87,
                shape: BoxShape.circle,
              ),
            )
          ],
        ),
      ),
    );
  }

  Widget buildSelectFriendInfoView() {
    return Container(
        width: 336.w,
        height: 86.w,
        decoration: BoxDecoration(
            color: ColorName.white,
            borderRadius: BorderRadius.all(Radius.circular(20.w))),
        child: Row(
          children: [
            SizedBox(width: 7.w),
            Obx(() {
              return buildCustomAvatarOrDefaultAvatarView(
                  size: 50.w,
                  avatar: controller.selectedFriend?.avatar,
                  isMine: controller.selectedFriend?.isMine == true);
            }),
            SizedBox(width: 5.w),
            Expanded(
              child: Container(
                margin: EdgeInsets.symmetric(vertical: 15.w),
                child: Column(
                  mainAxisAlignment: MainAxisAlignment.center,
                  crossAxisAlignment: CrossAxisAlignment.start,
                  children: [
                    Row(
                      children: [
                        Obx(() {
                          return ConstrainedBox(
                            constraints: BoxConstraints(
                              maxWidth: 0.26.sw,
                            ),
                            child: Text(
                              maxLines: 1,
                              controller.selectedFriend?.getUserNickName() ??
                                  '',
                              overflow: TextOverflow.ellipsis,
                              style: TextStyle(
                                  fontWeight: FontWeight.bold,
                                  fontSize: 16.sp,
                                  color: '#202020'.color),
                            ),
                          );
                        }),
                        SizedBox(width: 7.w),
                        Obx(() {
                          return RelativeTimeText(
                              timestamp: controller.selectedFriend?.lastLocation
                                  .value?.lastUpdateTime,
                              updateInterval: Duration(minutes: 1),
                              style: TextStyle(
                                  fontSize: 12.sp, color: '#A7A7A7'.color));
                        }),
                        Spacer(),
                        Obx(() {
                          return controller.selectedFriend != null
                              ? GestureDetector(
                                  onTap: () => controller.onViewTraceClick(
                                      controller.selectedFriend!),
                                  child: Container(
                                      margin: EdgeInsets.only(right: 12.w),
                                      decoration: getPrimaryBtnDecoration(32.w),
                                      padding: EdgeInsets.symmetric(
                                          horizontal: 21.w, vertical: 5.w),
                                      child: Text(StringName.locationTrace,
                                          style: TextStyle(
                                              fontSize: 15.sp,
                                              color: Colors.white))),
                                )
                              : SizedBox.shrink();
                        }),
                      ],
                    ),
                    Expanded(
                      child: Container(
                        margin: EdgeInsets.only(right: 17.w),
                        child: Obx(() {
                          return ImageFiltered(
                            enabled: controller.selectedFriend?.blockedMe ==
                                    true ||
                                ((controller.memberStatusInfo.value == null ||
                                        controller.memberStatusInfo.value
                                                ?.expired ==
                                            true) &&
                                    !(controller.selectedFriend?.isMine ==
                                        true)),
                            imageFilter: ImageFilter.blur(
                              sigmaX: Constants.blurredX,
                              sigmaY: Constants.blurredY,
                            ),
                            child: controller.selectedFriend?.blockedMe == true ||
                                    ((controller.memberStatusInfo.value == null ||
                                            controller.memberStatusInfo.value?.expired ==
                                                true) &&
                                        !(controller.selectedFriend?.isMine ==
                                            true))
                                ? Text(addressCheck(controller.selectedFriend?.lastLocation.value?.address),
                                    style: TextStyle(
                                        fontSize: 13.sp,
                                        color: ColorName.black50))
                                : MarqueeText.marquee(
                                    text: addressCheck(controller.selectedFriend
                                        ?.lastLocation.value?.address),
                                    textStyle: TextStyle(
                                        fontSize: 13.sp,
                                        color: ColorName.black50),
                                    containerWidth: 244.w),
                          );
                        }),
                      ),
                    )
                    // Text('广东省广州市天河区XX街街XX街区XX村XX')
                  ],
                ),
              ),
            )
          ],
        ));
  }
}