app/lib/paegs/login_page/login_page.dart

import 'dart:convert';
import 'dart:io';

import 'package:bbyyy/beans/app_store_review_bean_entity.dart';
import 'package:bbyyy/beans/login_information_bean_entity.dart';
import 'package:bbyyy/https/MyDio.dart';
import 'package:bbyyy/https/my_request.dart';
import 'package:bbyyy/my_tools/easy_loading/easy_loading.dart';
import 'package:bbyyy/my_tools/event_bus.dart';
import 'package:bbyyy/my_tools/my_colors.dart';
import 'package:bbyyy/my_tools/my_cookie.dart';
import 'package:bbyyy/my_tools/my_tools.dart';
import 'package:bbyyy/my_tools/my_views.dart';
import 'package:bbyyy/paegs/forget_password_page/forget_password_page.dart';
import 'package:bbyyy/paegs/guest_login_page/root_page.dart';
import 'package:bbyyy/paegs/registered_page/registered_page.dart';
import 'package:bbyyy/paegs/root_page/root_page.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_svg/flutter_svg.dart';

class LoginPage extends StatefulWidget {
  @override
  _LoginPageState createState() => _LoginPageState();
}

class _LoginPageState extends State<LoginPage> {
  TextEditingController _phoneNum = TextEditingController(text: '');
  TextEditingController _pw = TextEditingController(text: '');
  int focus = -1;
  bool showBrowse = false;
  bool obscureText = true;

  @override
  void initState() {
    // TODO: implement initState
    super.initState();
    print('MyCookie().reNum===========${MyCookie().reNum}');
    EventBus().on('服务器异常，请稍后再试', (arg) {
      qAPP();
    });
    Future.delayed(Duration.zero, () {
      MyCookie().reNum = 0;
      checkAuditStatus();
    });
  }

  @override
  void dispose() {
    // TODO: implement dispose
    super.dispose();
    EventBus().off('服务器异常，请稍后再试');
  }

  @override
  Widget build(BuildContext context) {
    return GestureDetector(
      onTap: () {
        MyTools().hideKeyboard(context);
        setState(() {
          focus = -1;
        });
      },
      child: Scaffold(
        body: SingleChildScrollView(
          child: Column(
            children: [
              Container(
                height: MediaQuery.of(context).size.height,
                child: Column(
                  children: [
                    Container(
                      height: MediaQuery.of(context).size.width * (506 / 750),
                      child: Stack(
                        children: [
                          Image.asset(
                            'images/bg_1.png',
                            width: MediaQuery.of(context).size.width,
                            height:
                                MediaQuery.of(context).size.width * (506 / 750),
                          ),
                          Positioned(
                            top: 67,
                            child: Stack(
                              children: [
                                Image.asset(
                                  'images/yuan_bg.png',
                                  height: 147,
                                  width: 147,
                                ),
                                Image.asset(
                                  'images/logo.png',
                                  height: 90,
                                  width: 90,
                                )
                              ],
                              alignment: Alignment.center,
                            ),
                          )
                        ],
                        alignment: Alignment.topCenter,
                      ),
                    ),
                    Expanded(
                      child: Container(
                        padding: EdgeInsets.only(left: 47, right: 47, top: 26),
                        child: Column(
                          children: [
                            Container(
                              child: Text(
                                'Hello Welcome !',
                                style: TextStyle(
                                    color: MyColors.cFF4233, fontSize: 24),
                              ),
                              margin: EdgeInsets.only(bottom: 25),
                            ),
                            Row(
                              children: [
                                Container(
                                  width: 22,
                                  height: 22,
                                  child: SvgPicture.asset(
                                    'images/svg/手机.svg',
                                    height: 22,
                                    width: 22,
                                  ),
                                ),
                                Expanded(
                                  child: TextField(
                                    controller: _phoneNum,
                                    cursorColor: MyColors.cFF4233,
                                    cursorWidth: 1.0,
                                    onTap: () {
                                      setState(() {
                                        focus = 0;
                                      });
                                    },
                                    decoration: InputDecoration(
                                      border: InputBorder.none,
                                      disabledBorder: InputBorder.none,
                                      enabledBorder: InputBorder.none,
                                      focusedBorder: InputBorder.none,
                                      isDense: true,
                                      hintText: '请输入手机号',
                                      hintStyle: TextStyle(
                                          color: MyColors.c999999,
                                          fontSize: 16),
                                      contentPadding: const EdgeInsets.fromLTRB(
                                          14, 4.5, 8, 4.5),
                                    ),
                                    maxLines: 1,
                                    style: TextStyle(
                                        color: MyColors.c333333,
                                        fontSize: 16,
                                        height: 1.3,
                                        letterSpacing: 0.2),
                                    keyboardType: TextInputType.number,
                                    onChanged: (t) {},
                                  ),
                                )
                              ],
                            ),
                            Container(
                              height: 1,
                              color: focus == 0
                                  ? MyColors.cFF4233
                                  : MyColors.cD7D7D7,
                              margin: EdgeInsets.only(top: 8, bottom: 35),
                            ),
                            Row(
                              children: [
                                Container(
                                  child: SvgPicture.asset(
                                    'images/svg/密码.svg',
                                    height: 22,
                                    width: 22,
                                  ),
                                  height: 22,
                                  width: 22,
                                ),
                                Expanded(
                                  child: TextField(
                                    controller: _pw,
                                    cursorColor: MyColors.cFF4233,
                                    cursorWidth: 1.0,
                                    onTap: () {
                                      setState(() {
                                        focus = 1;
                                      });
                                    },
                                    decoration: InputDecoration(
                                        border: InputBorder.none,
                                        disabledBorder: InputBorder.none,
                                        enabledBorder: InputBorder.none,
                                        focusedBorder: InputBorder.none,
                                        hintText: '请输入密码',
                                        hintStyle: TextStyle(
                                            color: MyColors.c999999,
                                            fontSize: 16),
                                        isDense: true,
                                        contentPadding:
                                            const EdgeInsets.fromLTRB(
                                                14, 4.5, 8, 4.5)),
                                    maxLines: 1,
                                    style: TextStyle(
                                        color: MyColors.c333333,
                                        fontSize: 16,
                                        height: 1.3,
                                        letterSpacing: 0.2),
                                    keyboardType: TextInputType.visiblePassword,
                                    obscureText: obscureText,
                                    onChanged: (t) {},
                                  ),
                                ),
                                GestureDetector(
                                  onTap: () {
                                    setState(() {
                                      obscureText = !obscureText;
                                    });
                                  },
                                  behavior: HitTestBehavior.translucent,
                                  child: Container(
                                    height: 35,
                                    width: 35,
                                    padding: EdgeInsets.all(6.5),
                                    child: SvgPicture.asset(obscureText
                                        ? 'images/svg/不显示.svg'
                                        : 'images/svg/显示.svg'),
                                  ),
                                ),
                              ],
                            ),
                            Container(
                              height: 1,
                              color: focus == 1
                                  ? MyColors.cFF4233
                                  : MyColors.cD7D7D7,
                              margin: EdgeInsets.only(top: 8, bottom: 39),
                            ),
                            Row(
                              children: [
                                Expanded(
                                  child: GestureDetector(
                                    onTap: () {
                                      if (_phoneNum.text.isEmpty ||
                                          _phoneNum.text.length != 11) {
                                        showToast('请填写正确的手机号');
                                        return;
                                      }
                                      if (_pw.text.isEmpty) {
                                        showToast('请填写密码');
                                        return;
                                      }
                                      login();
                                    },
                                    behavior: HitTestBehavior.translucent,
                                    child: Container(
                                      decoration: BoxDecoration(
                                        borderRadius: BorderRadius.all(
                                          Radius.circular(22),
                                        ),
                                        gradient: LinearGradient(
                                          colors: MyColors.lg,
                                        ),
                                      ),
                                      height: 44,
                                      child: Text(
                                        '登 录',
                                        style: TextStyle(
                                            color: Colors.white, fontSize: 17),
                                      ),
                                      alignment: Alignment.center,
                                      padding: EdgeInsets.only(bottom: 2),
                                    ),
                                  ),
                                ),
                                Visibility(
                                  child: Container(
                                    width: 20,
                                  ),
                                  visible: showBrowse,
                                ),
                                Visibility(
                                  visible: showBrowse,
                                  child: Expanded(
                                    child: GestureDetector(
                                      onTap: () {
                                        guestLogin();
                                      },
                                      behavior: HitTestBehavior.translucent,
                                      child: Container(
                                        decoration: BoxDecoration(
                                          borderRadius: BorderRadius.all(
                                            Radius.circular(22),
                                          ),
                                          gradient: LinearGradient(
                                            colors: MyColors.lg,
                                          ),
                                        ),
                                        height: 44,
                                        child: Text(
                                          '游客登录',
                                          style: TextStyle(
                                              color: Colors.white,
                                              fontSize: 17),
                                        ),
                                        alignment: Alignment.center,
                                        padding: EdgeInsets.only(bottom: 2),
                                      ),
                                    ),
                                  ),
                                ),
                              ],
                            ),

                            // Container(
                            //   alignment: Alignment.centerRight,
                            //   child: GestureDetector(
                            //     onTap: () {
                            //       MyTools().toPage(
                            //           context, RegisteredPage(), (then) {},
                            //           noBack: true);
                            //     },
                            //     behavior: HitTestBehavior.translucent,
                            //     child: Container(
                            //       child: Text(
                            //         '没有账号，去注册',
                            //         style: TextStyle(
                            //             color: MyColors.cFF4233, fontSize: 13),
                            //       ),
                            //       padding: EdgeInsets.all(8),
                            //       margin: EdgeInsets.only(top: 22),
                            //     ),
                            //   ),
                            // ),
                            Expanded(
                              child: SafeArea(
                                bottom: true,
                                child: Container(
                                  padding: EdgeInsets.only(bottom: 50),
                                  alignment: Alignment.bottomCenter,
                                  child: Row(
                                    children: [
                                      GestureDetector(
                                        onTap: () {
                                          MyTools().toPage(context,
                                              RegisteredPage(), (then) {},
                                              noBack: true);
                                        },
                                        behavior: HitTestBehavior.translucent,
                                        child: Container(
                                          padding: EdgeInsets.all(8),
                                          child: Text(
                                            '注册账号',
                                            style: TextStyle(
                                                color: MyColors.c666666,
                                                fontSize: 14),
                                          ),
                                        ),
                                      ),
                                      Container(
                                        height: 13,
                                        width: 2,
                                        decoration: BoxDecoration(
                                          borderRadius: BorderRadius.all(
                                              Radius.circular(1)),
                                          color: MyColors.cFF4233,
                                        ),
                                        margin: EdgeInsets.only(
                                            left: 27, right: 27),
                                      ),
                                      GestureDetector(
                                        onTap: () {
                                          MyTools().toPage(context,
                                              ForgetPasswordPage(), (then) {},
                                              noBack: true);
                                        },
                                        behavior: HitTestBehavior.translucent,
                                        child: Container(
                                          padding: EdgeInsets.all(8),
                                          child: Text(
                                            '忘记密码',
                                            style: TextStyle(
                                                color: MyColors.c666666,
                                                fontSize: 14),
                                          ),
                                        ),
                                      ),
                                    ],
                                    mainAxisAlignment: MainAxisAlignment.center,
                                  ),
                                ),
                              ),
                            )
                          ],
                          crossAxisAlignment: CrossAxisAlignment.start,
                        ),
                      ),
                    ),
                  ],
                ),
              ),
            ],
          ),
        ),
      ),
    );
  }

  void login() {
    EasyLoading.show();
    print(MyCookie().switching);
    loginAccount({
      'user': _phoneNum.text,
      'password': MyTools.base64Encode(_pw.text),
      'version': MyCookie().packageInfo.version,
      'phone': Platform.isAndroid ? 'Android' : 'IOS',
      'seq': int.parse(MyCookie().prefs.getString('serverID'))
    }, (r, hE) {
      if (!hE) {
        EasyLoading.dismiss();
        LoginInformationBeanEntity entity = LoginInformationBeanEntity()
            .fromJson(json.decode(r.data.toString()));
        MyCookie().saveLoginInformationBeanEntity(entity);
        MyDio().initDio();
        MyTools().toPage(context, RootPage(), (then) {}, noBack: true);
      }
    }, (e) {});
  }

  void checkAuditStatus() {
    EasyLoading.show();
    MyDio().post(
        '/model/appStoreReview', {'version': MyCookie().packageInfo.version},
        (response, hasError) {
      if (!hasError) {
        EasyLoading.dismiss();
        AppStoreReviewBeanEntity e = AppStoreReviewBeanEntity()
            .fromJson(json.decode(response.data.toString()));
        print(e.data);
        if (e.data && Platform.isIOS) {
          setState(() {
            showBrowse = true;
            MyCookie().underReview = showBrowse;
          });
        }
      }
    }, (error) {});
  }

  void guestLogin() {
    MyTools().toPage(context, RootPage1(), (then) {});
  }

  void qAPP() {
    showDialog(
      context: context,
      builder: (BuildContext context) {
        return Material(
          color: Colors.black12,
          child: Center(
            child: Container(
              decoration: BoxDecoration(
                borderRadius: BorderRadius.circular(16),
                color: Colors.white,
              ),
              height: 180,
              margin: EdgeInsets.symmetric(horizontal: 18),
              padding: EdgeInsets.symmetric(horizontal: 8, vertical: 12),
              child: Column(
                children: [
                  Center(
                    child: Container(
                      height: 100,
                      child: MyViews()
                          .myText('服务器出现异常，请稍后再试。', MyColors.c333333, 14),
                      margin: EdgeInsets.symmetric(horizontal: 20),
                      alignment: Alignment.center,
                    ),
                  ),
                  Container(
                    height: 0.5,
                    color: MyColors.cE7E7E7,
                    margin: EdgeInsets.only(bottom: 12),
                  ),
                  Container(
                    margin: EdgeInsets.symmetric(horizontal: 10),
                    child: GestureDetector(
                      behavior: HitTestBehavior.translucent,
                      onTap: () async {
                        await SystemChannels.platform
                            .invokeMethod('SystemNavigator.pop');
                      },
                      child: Container(
                        decoration: BoxDecoration(
                            borderRadius: BorderRadius.circular(20),
                            color: MyColors.cFF4233),
                        height: 40,
                        child: MyViews().myText('退 出', Colors.white, 14),
                        alignment: Alignment.center,
                      ),
                    ),
                  )
                ],
                mainAxisAlignment: MainAxisAlignment.spaceBetween,
              ),
            ),
          ),
        );
      },
    );
  }
}