import 'package:dio/dio.dart';
import 'package:flutter/material.dart';
import 'package:fluttertoast/fluttertoast.dart';
import 'package:huixiang/generated/l10n.dart';
import 'package:huixiang/retrofit/data/base_data.dart';
import 'package:huixiang/retrofit/data/sign_info.dart';
import 'package:huixiang/retrofit/data/task.dart';
import 'package:huixiang/retrofit/retrofit_api.dart';
import 'package:huixiang/view_widget/round_button.dart';
import 'package:flutter_staggered_grid_view/flutter_staggered_grid_view.dart';
import 'package:flutter_swiper_null_safety/flutter_swiper_null_safety.dart';
import 'package:shared_preferences/shared_preferences.dart';

class IntegralPage extends StatefulWidget {
  @override
  State<StatefulWidget> createState() {
    return _IntegralPage();
  }
}

class _IntegralPage extends State<IntegralPage> {
  ApiService apiService;
  SignInfo signInfo;

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

    SharedPreferences.getInstance().then((value) => {
          apiService = ApiService(Dio(),
              context: context, token: value.getString("token")),
          querySignInfo()
        });
  }

  querySignInfo() async {
    BaseData baseData = await apiService.signInInfo();
    if (baseData != null && baseData.isSuccess) {
      signInfo = SignInfo.fromJson(baseData.data);
      setState(() {});
    } else {
      Fluttertoast.showToast(msg: baseData.msg);
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(
          S.of(context).jifenxiangqing,
          style: TextStyle(color: Colors.white),
        ),
        centerTitle: false,
        backgroundColor: Color(0xFF3A405A),
        elevation: 0,
        actions: [
          Container(
            alignment: Alignment.center,
            margin: EdgeInsets.only(right: 16),
            child: GestureDetector(
              onTap: () {
                Navigator.of(context)
                    .pushNamed('/router/integral_detailed_page');
              },
              child: Text(
                S.of(context).mingxi,
                style: TextStyle(
                  color: Colors.white,
                  fontSize: 18,
                  fontWeight: FontWeight.bold,
                ),
              ),
            ),
          )
        ],
        leading: GestureDetector(
          onTap: () {
            Navigator.of(context).pop();
          },
          child: Container(
            alignment: Alignment.centerRight,
            margin: EdgeInsets.only(left: 10),
            padding: EdgeInsets.all(6),
            child: Icon(
              Icons.arrow_back_ios,
              color: Colors.white,
              size: 24,
            ),
          ),
        ),
        titleSpacing: 2,
        leadingWidth: 56,
      ),
      body: SingleChildScrollView(
        child: Container(
          child: Column(
            children: [
              integralAndVip(),
              inForPoints(),
              integralTask(),
            ],
          ),
        ),
      ),
    );
  }

  Widget integralTask() {
    return Container(
      width: double.infinity,
      margin: EdgeInsets.all(16),
      padding: EdgeInsets.fromLTRB(10, 20, 10, 20),
      decoration: BoxDecoration(
          color: Colors.white,
          borderRadius: BorderRadius.all(Radius.circular(8)),
          boxShadow: [
            BoxShadow(
                color: Colors.black.withAlpha(12),
                offset: Offset(0, 3),
                blurRadius: 14,
                spreadRadius: 0)
          ]),
      child: Column(
        mainAxisAlignment: MainAxisAlignment.start,
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          Container(
            margin: EdgeInsets.only(left: 10),
            child: Text(
              S.of(context).zuorenwudejifen,
              style: TextStyle(
                  color: Color(0xFF353535),
                  fontWeight: FontWeight.bold,
                  fontSize: 16),
            ),
          ),
          Container(
            child: AspectRatio(
              aspectRatio: 1.7,
              child: Swiper(
                  loop: false,
                  physics: BouncingScrollPhysics(),
                  pagination: SwiperPagination(
                    alignment: Alignment.bottomCenter,
                    builder: DotSwiperPaginationBuilder(
                      size: 8,
                      activeSize: 8,
                      space: 5,
                      activeColor: Colors.black,
                      color: Colors.black.withAlpha(76),
                    ),
                  ),
                  itemBuilder: (context, position) {
                    return taskPage(position);
                  },
                  itemCount: (signInfo != null &&
                          signInfo.taskList != null &&
                          signInfo.taskList.length > 0)
                      ? (signInfo.taskList.length < 3
                          ? 1
                          : (signInfo.taskList.length ~/ 3 +
                              (signInfo.taskList.length % 3 > 0 ? 1 : 0)))
                      : 1),
            ),
          ),
        ],
      ),
    );
  }

  Widget taskPage(position) {
    if (signInfo == null || signInfo.taskList == null) return Container();
    return Container(
      margin: EdgeInsets.only(left: 10, right: 10, top: 16),
      child: Column(
        children: [
          tashItem(signInfo.taskList[position * 3 + 0]),
          if (signInfo.taskList.length > (position * 3 + 1))
            tashItem(signInfo.taskList[position * 3 + 1]),
          if (signInfo.taskList.length > (position * 3 + 2))
            tashItem(signInfo.taskList[position * 3 + 2]),
        ],
      ),
    );
  }

  taskImg(String taskType) {
    switch (taskType) {
      case "bill_type_point_login":
        return "assets/image/icon_integral_share.png";
        break;
      case "bill_type_point_order":
        return "assets/image/icon_integral_order.png";
        break;
      case "bill_type_point_signin":
        return "assets/image/icon_integral_sign.png";
        break;
    }
  }

  Widget tashItem(Task task) {
    return Container(
      margin: EdgeInsets.only(top: 8, bottom: 8),
      alignment: Alignment.center,
      child: Row(
        children: [
          Image.asset(
            taskImg(task.type),
            width: 24,
            height: 24,
          ),
          SizedBox(
            width: 21,
          ),
          Expanded(
            flex: 1,
            child: Column(
              mainAxisAlignment: MainAxisAlignment.start,
              crossAxisAlignment: CrossAxisAlignment.start,
              children: [
                Text(
                  task.name,
                  style: TextStyle(fontSize: 14, color: Color(0xFF353535)),
                ),
                SizedBox(
                  width: 7,
                ),
                Row(
                  children: [
                    Text(
                      "+${double.tryParse(task.rewardValue).toInt()}",
                      style: TextStyle(fontSize: 12, color: Color(0xFF727272)),
                    ),
                    SizedBox(
                      width: 20,
                    ),
                    Text(
                      S.of(context).wancheng_(
                          "${task.complateNum ?? task.conplateNum}/${task.limitDay}"),
                      style: TextStyle(fontSize: 12, color: Color(0xFF727272)),
                    ),
                  ],
                )
              ],
            ),
          ),
          RoundButton(
            text: task.limitDay == (task.complateNum ?? task.conplateNum)
                ? S.of(context).yiwancheng
                : S.of(context).quwancheng,
            textColor: Colors.white,
            backgroup: task.limitDay == (task.complateNum ?? task.conplateNum)
                ? Color(0xFFA0A0A0)
                : Color(0xFF32A060),
            radius: 12,
            fontSize: 14,
            fontWeight: FontWeight.bold,
            padding: EdgeInsets.fromLTRB(12, 2, 12, 2),
          )
        ],
      ),
    );
  }

  Widget signInItem(position) {
    if (position == 6) {
      return Container(
        padding: EdgeInsets.all(6),
        decoration: BoxDecoration(
          color: Color(0xFFF0F0F2),
          borderRadius: BorderRadius.all(Radius.circular(4)),
        ),
        child: Row(
          mainAxisAlignment: MainAxisAlignment.spaceBetween,
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Expanded(
              child: Column(
                mainAxisAlignment: MainAxisAlignment.start,
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  Text(
                    "0${position + 1}",
                    style: TextStyle(
                        color: Color(0xFF353535),
                        fontSize: 14,
                        fontWeight: FontWeight.bold),
                  ),
                  SizedBox(
                    height: 10,
                  ),
                  Container(
                    alignment: Alignment.center,
                    child: Text(
                      S.of(context).shenmijifendali,
                      style: TextStyle(
                        color: Color(0xFF727272),
                        fontSize: 12,
                      ),
                    ),
                  ),
                ],
              ),
              flex: 1,
            ),
            Container(
              alignment: Alignment.center,
              child: Image.asset(
                "assets/image/icon_gold_blessing.png",
                width: 59,
                height: 59,
              ),
            ),
          ],
        ),
      );
    } else {
      return Container(
        padding: EdgeInsets.all(4),
        decoration: BoxDecoration(
          color: (signInfo != null &&
                  signInfo.signInList != null &&
                  signInfo.signInList.length > position)
              ? Color(0xFF32A060)
              : Color(0xFFF0F0F2),
          borderRadius: BorderRadius.all(Radius.circular(4)),
        ),
        child: Column(
          mainAxisAlignment: MainAxisAlignment.spaceEvenly,
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Text(
              "0${position + 1}",
              style: TextStyle(
                  color: (signInfo != null &&
                          signInfo.signInList != null &&
                          signInfo.signInList.length > position)
                      ? Colors.white
                      : Color(0xFF353535),
                  fontSize: 14,
                  fontWeight: FontWeight.bold),
            ),
            Container(
              alignment: Alignment.center,
              child: Image.asset(
                "assets/image/icon_gold_coin.png",
                width: 30,
                height: 30,
              ),
            ),
            Container(
              alignment: Alignment.center,
              margin: EdgeInsets.only(top: 2, bottom: 7),
              child: Text(
                (signInfo != null &&
                        signInfo.rewardList != null &&
                        signInfo.rewardList.length > position)
                    ? "+${signInfo.rewardList[position]}"
                    : "+10",
                style: TextStyle(
                  color: (signInfo != null &&
                          signInfo.signInList != null &&
                          signInfo.signInList.length > position)
                      ? Colors.white
                      : Color(0xFF727272),
                  fontSize: 12,
                ),
              ),
            ),
          ],
        ),
      );
    }
  }

  ///立即签到
  Widget inForPoints() {
    return Container(
      child: Stack(
        children: [
          Container(
            height: 42,
            color: Color(0xFF3A405A),
          ),
          Container(
            width: double.infinity,
            margin: EdgeInsets.all(16),
            padding: EdgeInsets.fromLTRB(20, 20, 20, 20),
            decoration: BoxDecoration(
                color: Colors.white,
                borderRadius: BorderRadius.all(Radius.circular(8)),
                boxShadow: [
                  BoxShadow(
                      color: Colors.black.withAlpha(12),
                      offset: Offset(0, 3),
                      blurRadius: 14,
                      spreadRadius: 0)
                ]),
            child: Column(
              mainAxisAlignment: MainAxisAlignment.center,
              crossAxisAlignment: CrossAxisAlignment.start,
              children: [
                Text(
                  S.of(context).qiandaolingjifen,
                  style: TextStyle(
                      fontWeight: FontWeight.bold,
                      fontSize: 16,
                      color: Color(0xFF353535)),
                ),
                Text(
                  S.of(context).lianxuqiandaolingqushuangbeijifen,
                  style: TextStyle(
                    fontWeight: FontWeight.bold,
                    fontSize: 11,
                    color: Color(0xFF727272),
                  ),
                ),
                SizedBox(
                  height: 32,
                ),
                StaggeredGridView.countBuilder(
                    crossAxisCount: 4,
                    shrinkWrap: true,
                    itemCount: 7,
                    mainAxisSpacing: 8,
                    crossAxisSpacing: 18,
                    padding: EdgeInsets.only(bottom: 32),
                    physics: new NeverScrollableScrollPhysics(),
                    itemBuilder: (context, position) {
                      return signInItem(position);
                    },
                    staggeredTileBuilder: (position) {
                      return StaggeredTile.count(position == 6 ? 2 : 1, 1.28);
                    }),
                InkWell(
                  onTap: signIn,
                  child: Container(
                    alignment: Alignment.center,
                    child: RoundButton(
                      text: (signInfo != null && signInfo.todayHasSignin)
                          ? S.of(context).yiqiandao
                          : S.of(context).lijiqiandao,
                      textColor: Colors.white,
                      backgroup: (signInfo != null && signInfo.todayHasSignin)
                          ? Colors.grey
                          : Color(0xFF32A060),
                      fontSize: 16,
                      padding: EdgeInsets.fromLTRB(16, 6, 16, 6),
                      radius: 4,
                    ),
                  ),
                )
              ],
            ),
          )
        ],
      ),
    );
  }

  ///立即签到
  signIn() async {
    BaseData baseData = await apiService.signIn();
    if (baseData != null && baseData.isSuccess) {
      querySignInfo();
      Fluttertoast.showToast(msg: "签到成功");
    } else {
      Fluttertoast.showToast(msg: baseData.msg);
    }
  }

  //上面的积分和VIP等级显示
  Widget integralAndVip() {
    return Container(
      padding: EdgeInsets.only(top: 16, bottom: 16),
      color: Color(0xFF3A405A),
      child: Row(
        children: [
          Expanded(
              flex: 1,
              child: Column(
                mainAxisAlignment: MainAxisAlignment.center,
                crossAxisAlignment: CrossAxisAlignment.center,
                children: [
                  Text(
                    signInfo != null ? "${signInfo.point}" : "0",
                    style: TextStyle(
                        fontWeight: FontWeight.bold,
                        fontSize: 21,
                        color: Colors.white),
                  ),
                  SizedBox(
                    height: 6,
                  ),
                  Text(
                    S.of(context).wodejifenzhi,
                    style: TextStyle(fontSize: 12, color: Color(0xFFF2F2F2)),
                  )
                ],
              )),
          Container(
            width: 2,
            height: 32,
            color: Color(0xFFFFFFFF),
          ),
          Expanded(
              flex: 1,
              child: Column(
                mainAxisAlignment: MainAxisAlignment.center,
                crossAxisAlignment: CrossAxisAlignment.center,
                children: [
                  Text(
                    (signInfo != null && signInfo.rank != null)
                        ? "${signInfo.rank.rankName.replaceAll("会员", "")}"
                        : "",
                    style: TextStyle(
                        fontWeight: FontWeight.bold,
                        fontSize: 21,
                        color: Colors.white),
                  ),
                  SizedBox(
                    height: 6,
                  ),
                  Row(
                    mainAxisAlignment: MainAxisAlignment.center,
                    crossAxisAlignment: CrossAxisAlignment.center,
                    children: [
                      Text(
                        S.of(context).wodehuiyuandengji,
                        style:
                            TextStyle(fontSize: 12, color: Color(0xFFF2F2F2)),
                      ),
                      Icon(
                        Icons.keyboard_arrow_right,
                        color: Colors.white,
                        size: 15,
                      )
                    ],
                  )
                ],
              )),
        ],
      ),
    );
  }
}