import 'dart:convert';

import 'package:dio/dio.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:huixiang/community/community_list.dart';
import 'package:huixiang/community/community_view/community_dynamic.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:huixiang/retrofit/data/article.dart';
import 'package:huixiang/retrofit/data/base_data.dart';
import 'package:huixiang/retrofit/data/comunity_comment.dart';
import 'package:huixiang/retrofit/data/page.dart';
import 'package:huixiang/retrofit/retrofit_api.dart';
import 'package:huixiang/view_widget/classic_header.dart';
import 'package:huixiang/view_widget/my_appbar.dart';
import 'package:huixiang/view_widget/my_footer.dart';
import 'package:pull_to_refresh/pull_to_refresh.dart';
import 'package:shared_preferences/shared_preferences.dart';

class ReleasePage extends StatefulWidget {
  @override
  State<StatefulWidget> createState() {
    return _ReleasePage();
  }
}

class _ReleasePage extends State<ReleasePage> {
  RefreshController refreshController = RefreshController();
  final ScrollController scrollController = ScrollController();
  ApiService apiService;
  int pageNum = 0;
  String userId;
  bool isLoadMore = false;

  List<ComunityComment> comments = [];

  @override
  void initState() {
    super.initState();
    _onRefresh();
  }

  _onRefresh() async {
    queryCommunity();
  }

  ///动态列表
  queryCommunity() async {
    if (apiService == null) {
      SharedPreferences value = await SharedPreferences.getInstance();
      userId = value.getString('userId');
      apiService = ApiService(
        Dio(),
        context: context,
        token: value.getString("token"),
      );
    }
    if(isLoadMore){
      pageNum += 1;
      isLoadMore = false;
    }else pageNum = 1;
    BaseData<PageInfo<ComunityComment>> baseData = await apiService.trendList({
      "onlyFollow": false,
      "onlyMe": true,
      "pageNum": pageNum,
      "pageSize": 10,
      "searchKey": ""
    }).catchError((error) {
      refreshController.refreshFailed();
      refreshController.loadFailed();
    });

    refreshController.refreshCompleted();
    refreshController.loadComplete();
    if (baseData.isSuccess) {
      if (pageNum == 1) {
        comments.clear();
      }
      comments.addAll(baseData.data.list);
      // print("comments: ${comments.length}");
      if (int.tryParse(baseData.data.total) < (pageNum * 10)) {
        refreshController.loadNoData();
      }
    }
  }

  @override
  Widget build(BuildContext context) {
    return FutureBuilder(
      future: queryCommunity(),
      builder: (context, position) {
        return Scaffold(
          appBar: MyAppBar(
            background: Color(0xFFFFFFFF),
            leadingColor: Colors.black,
            title: "动态",
            titleColor: Colors.black,
            titleSize: 18.sp,
          ),
          body: SmartRefresher(
              controller: refreshController,
              enablePullDown: true,
              enablePullUp: true,
              physics: BouncingScrollPhysics(),
              header: MyHeader(),
              footer: CustomFooter(
                builder: (context, mode) {
                  return MyFooter(mode);
                },
              ),
              onRefresh: _onRefresh,
              onLoading: () {
                isLoadMore = true;
                _onRefresh();
              },
              scrollController: scrollController,
              child: Container(
                child: SingleChildScrollView(
                  physics: BouncingScrollPhysics(),
                  child: Container(
                    // color: Color(0xFFF7F7F7),
                    // margin: EdgeInsets.only(top: 16.h),
                    child: Column(
                      children: [
                        CommunityList(
                          comments,
                          userId,
                          1,
                          isList: true,
                          exitFull: () {
                            _onRefresh();
                          },
                          removalDynamic: () {
                            _onRefresh();
                          },
                        ),
                      ],
                    ),
                  ),
                ),
              ),),
        );
      },
    );
  }
}