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

import 'package:dio/dio.dart';
import 'package:flutter/material.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
import 'package:huixiang/data/activity.dart';
import 'package:huixiang/data/article.dart';
import 'package:huixiang/data/base_data.dart';
import 'package:huixiang/data/examine_instance.dart';
import 'package:huixiang/generated/l10n.dart';
import 'package:huixiang/retrofit/retrofit_api.dart';
import 'package:huixiang/view_widget/my_appbar.dart';
import 'package:huixiang/view_widget/share_dialog.dart';
import 'package:huixiang/view_widget/tips_dialog.dart';
import 'package:huixiang/web/web_view/comment_list.dart';
import 'package:huixiang/web/web_view/input_comment.dart';
import 'package:huixiang/web/web_view/web_content.dart';
import 'package:huixiang/web/web_view/web_header.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:sharesdk_plugin/sharesdk_defines.dart';
import 'package:sharesdk_plugin/sharesdk_interface.dart';
import 'package:sharesdk_plugin/sharesdk_map.dart';
import 'package:dio/dio.dart';

class WebPage extends StatefulWidget {
  final Map<String, dynamic>? arguments;

  ///富文本 文章  活动
  WebPage({this.arguments});

  @override
  State<StatefulWidget> createState() {
    return _WebPage();
  }
}

class _WebPage extends State<WebPage> with WidgetsBindingObserver {
  ApiService? apiService;
  int commentTotal = 0;
  String hintText = S.current.liuxianinjingcaidepinglunba;
  var commentFocus = FocusNode();
  String parenId = "0";
  Activity? activity;
  Article? article;
  final double fontSize = 16.sp;
  final GlobalKey commentKey = GlobalKey();
  final GlobalKey inputKey = GlobalKey();
  final ScrollController scrollController = ScrollController();
  final TextEditingController commentTextController = TextEditingController();
  bool emojiShowing = false;
  double keyboard = -1;
  bool needShowSmiley = false;
  bool needHideSmiley = false;

  @override
  void initState() {
    super.initState();
    WidgetsBinding.instance.addObserver(this);
    commentFocus.addListener(_focusNodeListener);
    SharedPreferences.getInstance().then((value) => {
      apiService = ApiService(
          Dio(),
          context: context,
          token: value.getString('token'),
          showLoading: true
      ),
      queryHtml()
    });
  }

  bool isKeyBoardShow = false;

  @override
  void didChangeMetrics() {
    WidgetsBinding.instance.addPostFrameCallback((_) {
      isKeyBoardShow = MediaQuery.of(context).viewInsets.bottom > 0;
      if (MediaQuery.of(context).viewInsets.bottom == 0) {
        if (isKeyBoardShow) {
          FocusScope.of(context).requestFocus(FocusNode());
          if(!emojiShowing)
            setState(() {
              hintText = S.current.liuxianinjingcaidepinglunba;
              isKeyBoardShow = false;
            });
        }
      } else {
        setState(() {
          isKeyBoardShow = true;
        });
      }
    });
    if (needShowSmiley && window.viewInsets.bottom <= 0.1) {
      needShowSmiley = false;
      setState(() {
        emojiShowing = true;
      });
    }
    if(needHideSmiley && window.viewInsets.bottom > 0.1) {
      needHideSmiley = false;
      setState(() {
        emojiShowing = false;
      });
    }
  }

  void _focusNodeListener() {
    /*if (_focusNode.hasFocus || _focusNode.consumeKeyboardToken()){
			setState(() {
				smileyPadGone = true;
			});
		}*/
  }

  _onTextFieldTap() {
    if(emojiShowing) {
      needHideSmiley = true;
    }
  }

  _onSmileyTap() {
    if(!emojiShowing && commentFocus.hasFocus && isKeyBoardShow) {
      needShowSmiley = true;
      commentFocus.unfocus();
    } else {
      setState(() {
        emojiShowing = !emojiShowing;
        isKeyBoardShow = emojiShowing;
      });
    }
  }

  @override
  void dispose(){
    WidgetsBinding.instance.removeObserver(this);
    commentFocus.removeListener(_focusNodeListener);
    super.dispose();
  }

  queryHtml() async {
    SharedPreferences value = await SharedPreferences.getInstance();
    apiService = ApiService(Dio(),
        // showLoading: true,
        context: context,
        token: value.getString("token"));

    if (widget.arguments?["activityId"] != null) {
      BaseData<Activity>? baseData = await apiService?.activityInfo(widget.arguments!["activityId"])
          .catchError((onError) {
        return Future.value(null);
      });
      if (baseData?.isSuccess ?? false) {
        activity = baseData?.data;
        setState(() {});
      }
    }
    if (widget.arguments?["articleId"] != null) {
      BaseData<Article>? baseData = await apiService?.informationInfo(widget.arguments!["articleId"])
          .catchError((onError) {
        return Future.value(null);
      });
      if (baseData?.isSuccess ?? false) {
        article = baseData?.data;
        setState(() {});
      }
    }
  }

  //发布评论
  _queryMemberComment(String content) async {
    BaseData? baseData = await apiService?.memberComment({
      "content": content,
      "parentId": parenId,
      "relationalId": widget.arguments?["activityId"] ?? widget.arguments?["articleId"],
      "relationalType": 1
    }).catchError((error) {
      return Future.value(null);
    });
    if (baseData?.isSuccess ?? false) {
      CommentListState _commentList = commentKey.currentState as CommentListState;
      _commentList.queryMemberCommentList();
      commentTextController.text = "";
      FocusScope.of(context).unfocus();
      _toComment();
    }
  }

  share() async {
    SSDKMap params = SSDKMap()
      ..setGeneral(
        activity?.mainTitle ?? article?.mainTitle ?? "",
        activity != null
            ? activity!.viceTitle
            : article != null
            ? article!.viceTitle
            : "",
        [
          activity != null
              ? activity!.coverImg
              : article != null
              ? article!.coverImg
              : "",
        ],
        activity!.coverImg ?? article!.coverImg ?? "",
        "",
        buildShareUrl(),
        "",
        "",
        "",
        "",
        SSDKContentTypes.webpage,
      );

    showModalBottomSheet(
        context: context,
        backgroundColor: Colors.transparent,
        builder: (context) {
          return ShareDialog((platform) {
            if (platform == ShareSDKPlatforms.line) {
              params.map["type"] = SSDKContentTypes.text.value;
              params.map["text"] =
              "${activity != null ? activity!.viceTitle : article != null ? article!.viceTitle : ""}  ${buildShareUrl()}";
            }
            SharesdkPlugin.share(platform, params,
                    (state, userData, contentEntity, error) {
                  print("share！$state");
                });
          });
        });
  }

  String buildShareUrl() {
    return "https://hx.lotus-wallet.com/index.html?id=${widget.arguments?["activityId"] ?? widget.arguments?["articleId"]}&type=${activity != null ? "activity" : article != null ? "article" : ""}";
  }

  //给文章/活动点赞
  _queryInformationLikes() async {
    BaseData? baseData = await apiService?.informationLikes(widget.arguments?["activityId"] ?? widget.arguments?["articleId"])
        .catchError((onError) {
      return Future.value(null);
    });
    if (baseData?.isSuccess ?? false) {
      if (article != null) {
        int likes = article!.likes ?? 0;
        if (article!.liked ?? false) {
          article!.likes = (likes - 1);
        } else {
          article!.likes = (likes + 1);
        }
        article!.liked = !(article!.liked ?? false);
      }
      commentKey.currentState?.setState(() {});
    } else {
      // SmartDialog.showToast(baseData.msg, alignment: Alignment.center);
    }
  }

  @override
  Widget build(BuildContext context) {
    double h = MediaQuery.of(context).viewInsets.bottom;
    if(h > 0 && keyboard < h) {
      setState(() {
        keyboard = h;
      });
    }
    return GestureDetector(
        behavior: HitTestBehavior.translucent,
        onTap: () {
          setState(() {
            emojiShowing = false;
            isKeyBoardShow = emojiShowing;
            FocusScope.of(context).requestFocus(FocusNode());
          });
        },
        child:Scaffold(
          appBar: MyAppBar(
            action: Container(
              margin: EdgeInsets.only(right: 10),
              child: GestureDetector(
                onTap: () {
                  share();
                },
                child: Icon(
                  Icons.share,
                  size: 24,
                  color: Colors.black,
                ),
              ),
            ),
            background: Color(0xFFFFFFFFF),
            leadingColor: Colors.black,
            title: activity!.mainTitle
                ?? article!.mainTitle
                ?? "",
            titleSize: fontSize,
            titleColor: Colors.black,
          ),
          body: Container(
            child: Column(
              children: [
                Expanded(
                  child: GestureDetector(
                    onTap: () {
                      commentFocus.unfocus();
                      hintText = S.of(context).liuxianinjingcaidepinglunba;
                      inputKey.currentState?.setState(() {});
                      parenId = "0";
                    },
                    child: SingleChildScrollView(
                      controller: scrollController,
                      physics: BouncingScrollPhysics(),
                      child: Column(
                        children: [
                          /// 富文本的头部
                          WebHeader(widget.arguments, activity, article, 16),

                          /// 富文本的内容
                          WebContent(
                            activity,
                            article,
                            apiService,
                                () {
                              setState(() {});
                            },
                          ),

                          /// 富文本的评论
                          if(!ExamineInstance.instance.isExamine)
                            CommentList(
                              commentKey,
                              article?.likes ?? activity?.likes ?? 0,
                              widget.arguments?["activityId"] ??
                                  widget.arguments?["articleId"],
                              1,
                              isKeyBoardShow,
                              _reply,
                              _delCommentTips,
                              12.sp,
                              requestApiFinish: (total) {
                                setState(() {
                                  commentTotal = total;
                                });
                              },
                            ),
                        ],
                      ),
                    ),
                  ),
                  flex: 1,
                ),

                /// 富文本评论的输入框
                if(!ExamineInstance.instance.isExamine)
                  InputComment(
                    inputKey,
                    hintText,
                    isKeyBoardShow,
                    keyboard,
                    emojiShowing,
                    commentFocus,
                    commentTextController,
                    _toComment,
                    _onSmileyTap,
                    _onTextFieldTap,
                    _queryMemberComment,
                    _queryInformationLikes,
                    activity: activity,
                    article: article,
                  ),
              ],
            ),
          ),
        ));
  }

  ///删除评论的提示
  _delCommentTips(memberComment) {
    SmartDialog.show(widget: Tips(() {
      delComment(memberComment);
    }));
  }

  ///删除评论
  delComment(memberComment) async {
    BaseData? baseData = await apiService?.delComment(memberComment.id)
        .catchError((onError) {
      return Future.value(null);
    });
    if (baseData?.isSuccess ?? false) {
      CommentListState _commentList = commentKey.currentState as CommentListState;
      _commentList.queryMemberCommentList();
    }
  }

  ///评论 回复
  _reply(memberComment) {
    FocusScope.of(context).requestFocus(commentFocus);
    parenId = memberComment.id;
    hintText = S.of(context).huifu_("${memberComment.username}");
  }

  ///滑动到评论列表
  _toComment() {
    if (commentKey.currentContext == null) return;
    RenderBox firstRenderBox = commentKey.currentContext!.findRenderObject() as RenderBox;
    Offset first = firstRenderBox.localToGlobal(Offset.zero);
    scrollController.animateTo(
        first.dy +
            scrollController.offset -
            (kToolbarHeight + MediaQuery.of(context).padding.top),
        duration: Duration(milliseconds: 300),
        curve: Curves.easeIn);
  }
}