import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_easyloading/flutter_easyloading.dart';
import 'package:flutter_keyboard_visibility/flutter_keyboard_visibility.dart';
import 'package:gap/gap.dart';
import 'package:get/get.dart';
import 'package:demo001/tools/color_utils.dart';
import 'package:demo001/tools/textStyle.dart';
import 'package:demo001/tools/widgets.dart';

import 'login_logic.dart';
import 'login_state.dart';

/// @description:
/// @author
/// @date: 2025-01-11 17:25:10
class LoginScene extends StatelessWidget {
  final LoginLogic logic = Get.put(LoginLogic());
  final LoginState state = Get.find<LoginLogic>().state;

  LoginScene({Key? key}) : super(key: key);

  double width = 0;
  double height = 0;

  @override
  Widget build(BuildContext context) {
    width = MediaQuery.of(context).size.width;
    height = MediaQuery.of(context).size.height;
    return Scaffold(
      backgroundColor: Color.fromARGB(255, 18, 19, 24),
      body: KeyboardDismissOnTap(
        child: Container(
          height: height,
          padding: EdgeInsets.all(8),
          child: SingleChildScrollView(
            child: Column(
              mainAxisSize: MainAxisSize.max,
              children: [
                Gap(45),
                topWidget,
                Gap(50),
                logo,
                Gap(15),
                emailInput,
                Gap(15),
                pinInput,
                Gap(30),
                loginBtn,
                Gap(80),
                otherLogin,
                Gap(180),
                protocolWidget,
                Gap(15),
              ],
            ),
          ),
        ),
      ),
    );
  }

  Widget get topWidget => Row(
        mainAxisAlignment: MainAxisAlignment.spaceBetween,
        children: [
          Text(
            '联系客服',
            style: Style.clean,
          ),
          Text(
            '登录/注册账号',
            style: Style.navTitle,
          ),
          Text(
            '联系客服',
            style: Style.normalWhiteGrey,
          )
        ],
      );

  Widget get logo => Container(
        child: Icon(
          Icons.logo_dev,
          size: 100,
          color: white,
        ),
      );

  Widget get phoneInput => SizedBox(
        width: width * 0.9,
        child: Container(
          height: 45,
          decoration: BoxDecoration(
              color: inputBgColor, borderRadius: BorderRadius.circular(8)),
          child: Obx(() => TextField(
                controller: state.phoneContr,
                focusNode: state.phoneNode,
                textInputAction: TextInputAction.next,
                style: Style.normalBold,
                keyboardType: TextInputType.phone,
                inputFormatters: state.countryCode.value == '86'
                    ? [
                        FilteringTextInputFormatter.allow(RegExp(r'[0-9]')),
                        LengthLimitingTextInputFormatter(11),
                      ]
                    : [
                        FilteringTextInputFormatter.allow(RegExp(r'[0-9]')),
                      ],
                decoration: InputDecoration(
                  border: InputBorder.none,
                  hintText: '请输入手机号',
                  contentPadding: EdgeInsets.symmetric(horizontal: 8),
                ),
                onSubmitted: (value) {
                  if (value.length != 11) {
                    EasyLoading.showError('手机号码错误！');
                  } else {
                    state.emailNode.nextFocus();
                  }
                },
              )),
        ),
      );

  Widget get emailInput => SizedBox(
        width: width * 0.9,
        child: Container(
          height: 45,
          decoration: BoxDecoration(
              color: inputBgColor, borderRadius: BorderRadius.circular(8)),
          child: TextField(
            controller: state.emailContr,
            focusNode: state.emailNode,
            style: Style.normalBold,
            textInputAction: TextInputAction.next,
            keyboardType: TextInputType.emailAddress,
            decoration: InputDecoration(
              border: InputBorder.none,
              hintText: '请输入邮箱',
              contentPadding: EdgeInsets.symmetric(horizontal: 8),
            ),
            onSubmitted: (value) {
              final emailRegex =
                  RegExp(r'^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$');
              if (!emailRegex.hasMatch(state.emailContr.text)) {
                EasyLoading.showError('邮箱输入错误，请重新输入！');
              } else {
                state.pinNode.nextFocus();
              }
            },
          ),
        ),
      );

  Widget get pinInput => SizedBox(
        width: width * 0.9,
        child: Row(
          mainAxisAlignment: MainAxisAlignment.spaceBetween,
          children: [
            Container(
              height: 45,
              width: width * 0.5,
              decoration: BoxDecoration(
                  color: inputBgColor, borderRadius: BorderRadius.circular(8)),
              child: Obx(() => TextField(
                    controller: state.pinContr,
                    focusNode: state.pinNode,
                    style: Style.normalBold,
                    textInputAction: TextInputAction.send,
                    keyboardType: TextInputType.phone,
                    inputFormatters: state.countryCode.value == '86'
                        ? [
                            FilteringTextInputFormatter.allow(RegExp(r'[0-9]')),
                            LengthLimitingTextInputFormatter(4),
                          ]
                        : [
                            FilteringTextInputFormatter.allow(RegExp(r'[0-9]')),
                          ],
                    decoration: InputDecoration(
                      border: InputBorder.none,
                      hintText: '请输入验证码',
                      contentPadding: EdgeInsets.symmetric(horizontal: 8),
                    ),
                    onSubmitted: (value) {
                      if (value.length != 4) {
                        EasyLoading.showError("验证码错误");
                      } else {
                        logic.login();
                      }
                    },
                  )),
            ),
            GestureDetector(
              onTap: () {
                if (!isEmail(state.emailContr.text)) {
                  EasyLoading.showError('邮箱输入错误，请重新输入！');
                } else {
                  logic.getEmailPin();
                }
              },
              child: Container(
                height: 45,
                width: width * 0.35,
                alignment: Alignment.center,
                decoration: BoxDecoration(
                    color: lightBlue, borderRadius: BorderRadius.circular(8)),
                child: Obx(() => Text(
                      state.countDown.value == 60
                          ? '获取验证码'
                          : '${state.countDown.value}S后重新获取',
                      style: Style.normalWhiteGrey,
                    )),
              ),
            )
          ],
        ),
      );

  Widget get loginBtn => GestureDetector(
        onTap: logic.login,
        child: Container(
          height: 45,
          width: width * 0.9,
          alignment: Alignment.center,
          decoration: BoxDecoration(
              color: blue, borderRadius: BorderRadius.circular(8)),
          child: Obx(() => Text(
                state.isWechatLogin.value ? '确定绑定' : '登录',
                style: Style.normalBold,
              )),
        ),
      );

  Widget get otherLogin => Container(
        child: Column(
          children: [
            Row(
              mainAxisAlignment: MainAxisAlignment.center,
              children: [
                Container(
                  color: white.withAlpha(30),
                  height: 1,
                  width: width * 0.25,
                ),
                Text(
                  '   其他登录方式   ',
                  style: Style.normalSmallWhiteGrey,
                ),
                Container(
                  color: white.withAlpha(30),
                  height: 1,
                  width: width * 0.25,
                ),
              ],
            ),
            Gap(15),
            GestureDetector(
              onTap: () {
                state.isWechatLogin.value = !state.isWechatLogin.value;
              },
              child: Icon(
                Icons.wechat,
                size: 60,
                color: green,
              ),
            ),
          ],
        ),
      );

  Widget get protocolWidget => Row(
        mainAxisSize: MainAxisSize.max,
        mainAxisAlignment: MainAxisAlignment.center,
        children: [
          GestureDetector(
            onTap: () {
              state.protocolCheck.value = !state.protocolCheck.value;
            },
            child: Row(
              children: [
                Obx(() => Container(
                      child: Icon(
                        state.protocolCheck.value
                            ? Icons.check_circle
                            : Icons.radio_button_unchecked,
                        color: state.protocolCheck.value ? blue : white,
                        size: 16,
                      ),
                    )),
                Text(
                  ' 我已阅读并同意',
                  style: Style.normalSmall2,
                ),
              ],
            ),
          ),
          GestureDetector(
            onTap: () {},
            child: Text(
              '《用户服务协议》',
              style: Style.normalBlueSmall2,
            ),
          ),
          Text(
            '和',
            style: Style.normalSmall2,
          ),
          GestureDetector(
            onTap: () {},
            child: Text(
              '《用户服务协议》',
              style: Style.normalBlueSmall2,
            ),
          )
        ],
      );
}