import 'package:PiliPlus/common/skeleton/video_card_h.dart';
import 'package:PiliPlus/common/widgets/button/icon_button.dart';
import 'package:PiliPlus/common/widgets/custom_sliver_persistent_header_delegate.dart';
import 'package:PiliPlus/common/widgets/image/network_img_layer.dart';
import 'package:PiliPlus/common/widgets/loading_widget/http_error.dart';
import 'package:PiliPlus/common/widgets/loading_widget/loading_widget.dart';
import 'package:PiliPlus/common/widgets/refresh_indicator.dart';
import 'package:PiliPlus/http/loading_state.dart';
import 'package:PiliPlus/models/common/image_preview_type.dart';
import 'package:PiliPlus/models/common/image_type.dart';
import 'package:PiliPlus/models/member/info.dart';
import 'package:PiliPlus/models_new/space/space_archive/item.dart';
import 'package:PiliPlus/pages/member_video/widgets/video_card_h_member_video.dart';
import 'package:PiliPlus/pages/video/controller.dart';
import 'package:PiliPlus/pages/video/introduction/ugc/controller.dart';
import 'package:PiliPlus/pages/video/member/controller.dart';
import 'package:PiliPlus/services/account_service.dart';
import 'package:PiliPlus/utils/extension.dart';
import 'package:PiliPlus/utils/grid.dart';
import 'package:PiliPlus/utils/id_utils.dart';
import 'package:PiliPlus/utils/num_util.dart';
import 'package:PiliPlus/utils/request_utils.dart';
import 'package:PiliPlus/utils/utils.dart';
import 'package:flutter/material.dart';
import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
import 'package:get/get.dart';

class HorizontalMemberPage extends StatefulWidget {
  const HorizontalMemberPage({
    super.key,
    required this.mid,
    required this.videoDetailController,
    required this.videoIntroController,
  });

  final dynamic mid;
  final VideoDetailController videoDetailController;
  final VideoIntroController videoIntroController;

  @override
  State<HorizontalMemberPage> createState() => _HorizontalMemberPageState();
}

class _HorizontalMemberPageState extends State<HorizontalMemberPage> {
  late final HorizontalMemberPageController _controller;
  AccountService accountService = Get.find<AccountService>();
  dynamic _bvid;

  @override
  void initState() {
    super.initState();
    _controller = Get.put(
      HorizontalMemberPageController(
        mid: widget.mid,
        currAid: widget.videoDetailController.oid.value.toString(),
      ),
      tag: widget.videoDetailController.heroTag,
    );
    _bvid = widget.videoDetailController.bvid;
  }

  @override
  Widget build(BuildContext context) {
    final theme = Theme.of(context);
    return Obx(
      () => _buildUserPage(theme, _controller.userState.value),
    );
  }

  Widget _buildUserPage(ThemeData theme, LoadingState userState) {
    return switch (userState) {
      Loading() => loadingWidget,
      Success(:var response) => Column(
          children: [
            const SizedBox(height: 4),
            Row(
              mainAxisAlignment: MainAxisAlignment.end,
              children: [
                iconButton(
                  context: context,
                  onPressed: Get.back,
                  tooltip: '关闭',
                  icon: Icons.clear,
                  size: 32,
                ),
                const SizedBox(width: 16),
              ],
            ),
            _buildUserInfo(theme, response),
            Expanded(
              child: refreshIndicator(
                onRefresh: _controller.onRefresh,
                child: CustomScrollView(
                  controller: _controller.scrollController,
                  physics: const AlwaysScrollableScrollPhysics(),
                  slivers: [
                    _buildSliverHeader(theme),
                    Obx(() =>
                        _buildVideoList(theme, _controller.loadingState.value)),
                  ],
                ),
              ),
            ),
          ],
        ),
      Error(:var errMsg) => scrollErrorWidget(
          controller: _controller.scrollController,
          errMsg: errMsg,
          onReload: () {
            _controller.userState.value =
                LoadingState<MemberInfoModel>.loading();
            _controller.getUserInfo();
          },
        ),
    };
  }

  Widget _buildSliverHeader(ThemeData theme) {
    return SliverPersistentHeader(
      pinned: false,
      floating: true,
      delegate: CustomSliverPersistentHeaderDelegate(
        extent: 40,
        bgColor: theme.colorScheme.surface,
        child: Container(
          height: 40,
          padding: const EdgeInsets.fromLTRB(12, 0, 6, 0),
          child: Row(
            mainAxisAlignment: MainAxisAlignment.spaceBetween,
            children: [
              Obx(
                () => Text(
                  _controller.count.value != -1
                      ? '共${_controller.count.value}视频'
                      : '',
                  style: const TextStyle(fontSize: 13),
                ),
              ),
              SizedBox(
                height: 35,
                child: TextButton.icon(
                  onPressed: () => _controller
                    ..lastAid =
                        widget.videoDetailController.oid.value.toString()
                    ..queryBySort(),
                  icon: Icon(
                    Icons.sort,
                    size: 16,
                    color: theme.colorScheme.secondary,
                  ),
                  label: Obx(
                    () => Text(
                      _controller.order.value == 'pubdate' ? '最新发布' : '最多播放',
                      style: TextStyle(
                        fontSize: 13,
                        color: theme.colorScheme.secondary,
                      ),
                    ),
                  ),
                ),
              )
            ],
          ),
        ),
      ),
    );
  }

  Widget _buildVideoList(
      ThemeData theme, LoadingState<List<SpaceArchiveItem>?> loadingState) {
    return switch (loadingState) {
      Loading() => SliverGrid(
          gridDelegate: Grid.videoCardHDelegate(context),
          delegate: SliverChildBuilderDelegate(
            childCount: 10,
            (context, index) {
              return const VideoCardHSkeleton();
            },
          ),
        ),
      Success(:var response) => response?.isNotEmpty == true
          ? SliverPadding(
              padding: EdgeInsets.only(
                bottom: MediaQuery.paddingOf(context).bottom + 80,
              ),
              sliver: SliverGrid(
                gridDelegate: Grid.videoCardHDelegate(context),
                delegate: SliverChildBuilderDelegate(
                  (context, index) {
                    if (index == response.length - 1 && _controller.hasNext) {
                      _controller.onLoadMore();
                    }
                    final SpaceArchiveItem videoItem = response[index];
                    return VideoCardHMemberVideo(
                      videoItem: videoItem,
                      bvid: _bvid,
                      onTap: () {
                        final status =
                            widget.videoIntroController.changeSeasonOrbangu(
                          null,
                          videoItem.bvid,
                          videoItem.cid,
                          IdUtils.bv2av(videoItem.bvid!),
                          videoItem.cover,
                        );
                        if (status) {
                          _bvid = videoItem.bvid;
                          setState(() {});
                        }
                      },
                    );
                  },
                  childCount: response!.length,
                ),
              ),
            )
          : HttpError(onReload: _controller.onReload),
      Error(:var errMsg) => HttpError(
          errMsg: errMsg,
          onReload: _controller.onReload,
        ),
    };
  }

  Widget _buildUserInfo(ThemeData theme, MemberInfoModel memberInfoModel) {
    return Row(
      children: [
        const SizedBox(width: 16),
        _buildAvatar(memberInfoModel.face!),
        const SizedBox(width: 10),
        Expanded(child: _buildInfo(theme, memberInfoModel)),
        const SizedBox(width: 16),
      ],
    );
  }

  Column _buildInfo(ThemeData theme, MemberInfoModel memberInfoModel) => Column(
        mainAxisSize: MainAxisSize.min,
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          Row(
            children: [
              GestureDetector(
                onTap: () => Utils.copyText(memberInfoModel.name ?? ''),
                child: Text(
                  memberInfoModel.name ?? '',
                  style: TextStyle(
                    fontSize: 16,
                    fontWeight: FontWeight.bold,
                    color: (memberInfoModel.vip?.status ?? -1) > 0 &&
                            memberInfoModel.vip?.type == 2
                        ? context.vipColor
                        : null,
                  ),
                ),
              ),
              const SizedBox(width: 8),
              Image.asset(
                'assets/images/lv/lv${memberInfoModel.isSeniorMember == 1 ? '6_s' : memberInfoModel.level}.png',
                height: 11,
              ),
            ],
          ),
          const SizedBox(height: 2),
          Obx(
            () => Row(
              children: List.generate(5, (index) {
                if (index % 2 == 0) {
                  return _buildChildInfo(
                    theme: theme,
                    title: const ['粉丝', '关注', '获赞'][index ~/ 2],
                    num: index == 0
                        ? _controller.userStat['follower'] != null
                            ? NumUtil.numFormat(
                                _controller.userStat['follower'])
                            : ''
                        : index == 2
                            ? _controller.userStat['following'] ?? ''
                            : _controller.userStat['likes'] != null
                                ? NumUtil.numFormat(
                                    _controller.userStat['likes'])
                                : '',
                    onTap: () {
                      if (index == 0) {
                        Get.toNamed(
                            '/fan?mid=${widget.mid}&name=${memberInfoModel.name}');
                      } else if (index == 2) {
                        Get.toNamed(
                            '/follow?mid=${widget.mid}&name=${memberInfoModel.name}');
                      }
                    },
                  );
                } else {
                  return SizedBox(
                    height: 10,
                    width: 20,
                    child: VerticalDivider(
                      width: 1,
                      color: theme.colorScheme.outline,
                    ),
                  );
                }
              }),
            ),
          ),
          const SizedBox(height: 2),
          Row(
            children: [
              Expanded(
                child: FilledButton.tonal(
                  style: FilledButton.styleFrom(
                    backgroundColor: memberInfoModel.isFollowed == true
                        ? theme.colorScheme.onInverseSurface
                        : null,
                    foregroundColor: memberInfoModel.isFollowed == true
                        ? theme.colorScheme.outline
                        : null,
                    padding: EdgeInsets.zero,
                    visualDensity: const VisualDensity(vertical: -2),
                  ),
                  onPressed: () {
                    if (widget.mid == accountService.mid) {
                      Get.toNamed('/editProfile');
                    } else {
                      if (!accountService.isLogin.value) {
                        SmartDialog.showToast('账号未登录');
                        return;
                      }
                      RequestUtils.actionRelationMod(
                        context: context,
                        mid: widget.mid,
                        isFollow: memberInfoModel.isFollowed ?? false,
                        callback: (attribute) {
                          _controller
                            ..userState.value.data.isFollowed = attribute != 0
                            ..userState.refresh();
                        },
                      );
                    }
                  },
                  child: Text(
                    widget.mid == accountService.mid
                        ? '编辑资料'
                        : memberInfoModel.isFollowed == true
                            ? '已关注'
                            : '关注',
                    maxLines: 1,
                    style: const TextStyle(fontSize: 14),
                  ),
                ),
              ),
              const SizedBox(width: 8),
              Expanded(
                child: OutlinedButton(
                  style: OutlinedButton.styleFrom(
                    padding: EdgeInsets.zero,
                    visualDensity: const VisualDensity(vertical: -2),
                  ),
                  onPressed: () => Get.toNamed('/member?mid=${widget.mid}'),
                  child: const Text(
                    '查看主页',
                    maxLines: 1,
                    style: TextStyle(fontSize: 14),
                  ),
                ),
              ),
            ],
          ),
        ],
      );

  Widget _buildChildInfo({
    required ThemeData theme,
    required String title,
    required dynamic num,
    required VoidCallback onTap,
  }) {
    return GestureDetector(
      onTap: onTap,
      child: Text(
        '$num$title',
        style: TextStyle(
          fontSize: 14,
          color: theme.colorScheme.outline,
        ),
      ),
    );
  }

  Widget _buildAvatar(String face) => GestureDetector(
        onTap: () {
          widget.videoDetailController.onViewImage();
          context.imageView(
            imgList: [SourceModel(url: face)],
            onDismissed: widget.videoDetailController.onDismissed,
          );
        },
        child: NetworkImgLayer(
          src: face,
          type: ImageType.avatar,
          width: 70,
          height: 70,
        ),
      );
}