import Footer from '@/components/Footer';
import { getCaptchaImg, login } from '@/services/system/auth';
import { getFakeCaptcha, sancGenerateQrcode, sancAuthCheck } from '@/services/ant-design-pro/login';
import {
  AlipayCircleOutlined,
  LockOutlined,
  MobileOutlined,
  TaobaoCircleOutlined,
  UserOutlined,
  WeiboCircleOutlined,
} from '@ant-design/icons';
import {
  LoginForm,
  ProFormCaptcha,
  ProFormCheckbox,
  ProFormText,
} from '@ant-design/pro-components';
import { useEmotionCss } from '@ant-design/use-emotion-css';
import { FormattedMessage, Helmet, history, SelectLang, useIntl, useModel } from '@umijs/max';
import { Alert, Col, Image, message, Row, Tabs, QRCode } from 'antd';
import Settings from '../../../../config/defaultSettings';
import React, { useEffect, useState } from 'react';
import { flushSync } from 'react-dom';
// flushSync 允许你强制 React 同步刷新提供的回调中的任何更新。这确保了 DOM 立即更新
import { clearSessionToken, setSessionToken } from '@/access';
import logoImg from '@/assets/logo.svg';
import login_imge2b033b1 from '@/assets/login_img.e2b033b1.png';
import { use } from 'echarts';

let timer: any = null;
const ActionIcons = () => {
  const langClassName = useEmotionCss(({ token }) => {
    return {
      marginLeft: '8px',
      color: 'rgba(0, 0, 0, 0.2)',
      fontSize: '24px',
      verticalAlign: 'middle',
      cursor: 'pointer',
      transition: 'color 0.3s',
      '&:hover': {
        color: token.colorPrimaryActive,
      },
    };
  });

  return (
    <>
      <AlipayCircleOutlined key="AlipayCircleOutlined" className={langClassName} />
      <TaobaoCircleOutlined key="TaobaoCircleOutlined" className={langClassName} />
      <WeiboCircleOutlined key="WeiboCircleOutlined" className={langClassName} />
    </>
  );
};

const Lang = () => {
  const langClassName = useEmotionCss(({ token }) => {
    return {
      width: 42,
      height: 42,
      lineHeight: '42px',
      position: 'fixed',
      right: 16,
      borderRadius: token.borderRadius,
      ':hover': {
        backgroundColor: token.colorBgTextHover,
      },
    };
  });

  return (
    <div className={langClassName} data-lang>
      {SelectLang && <SelectLang />}
    </div>
  );
};

const LoginMessage: React.FC<{
  content: string;
}> = ({ content }) => {
  return (
    <Alert
      style={{
        marginBottom: 24,
      }}
      message={content}
      type="error"
      showIcon
    />
  );
};

const Login: React.FC = () => {
  const [userLoginState, setUserLoginState] = useState<API.LoginResult>({ code: 200 });
  const [type, setType] = useState<string>('account');
  const { initialState, setInitialState } = useModel('@@initialState');
  const [captchaCode, setCaptchaCode] = useState<string>('');
  const [uuid, setUuid] = useState<string>('');
  const [qrcodeVal, setQrcodeVal] = useState<string>('');
  const [qrcodeTime, setQrcodeTime] = useState<string>('');
  const [qrcodeStatus, setQrcodeStatus] = useState<string>('loading');

  const containerClassName = useEmotionCss(() => {
    return {
      display: 'flex',
      flexDirection: 'column',
      height: '100vh',
      overflow: 'auto',
      backgroundImage:
        "url('https://mdn.alipayobjects.com/yuyan_qk0oxh/afts/img/V-_oS6r-i7wAAAAAAAAAAAAAFl94AQBr')",
      backgroundSize: '100% 100%',
    };
  });

  const intl = useIntl();

  const getCaptchaCode = async () => {
    const response = await getCaptchaImg();
    const imgdata = `data:image/png;base64,${response.img}`;
    setCaptchaCode(imgdata);
    setUuid(response.uuid);
  };

  const fetchUserInfo = async () => {
    const userInfo = await initialState?.fetchUserInfo?.();
    if (userInfo) {
      flushSync(() => {
        setInitialState((s) => ({
          ...s,
          currentUser: userInfo,
        }));
      });
    }
  };

  const handleSubmit = async (values: API.LoginParams) => {
    try {
      // 登录
      const response = await login({ ...values, uuid });
      if (response.code === 200) {
        const defaultLoginSuccessMessage = intl.formatMessage({
          id: 'pages.login.success',
          defaultMessage: '登录成功！',
        });
        const current = new Date();
        const expireTime = current.setTime(current.getTime() + 1000 * 12 * 60 * 60);
        setSessionToken(response?.token, response?.token, expireTime);
        message.success(defaultLoginSuccessMessage);
        await fetchUserInfo();
        console.log('login ok');
        const urlParams = new URL(window.location.href).searchParams;
        history.push(urlParams.get('redirect') || '/');
        setTimeout(() => history.go(0), 0);
        return;
      } else {
        message.error(response.msg);
        clearSessionToken();
        // 如果失败去设置用户错误信息
        setUserLoginState({ ...response, type });
        getCaptchaCode();
      }
    } catch (error) {
      const defaultLoginFailureMessage = intl.formatMessage({
        id: 'pages.login.failure',
        defaultMessage: '登录失败，请重试！',
      });
      message.error(defaultLoginFailureMessage);
    }
  };

  const generateQrcode = async () => {
    setQrcodeStatus('loading');
    const response = await sancGenerateQrcode();
    if (response.code === 200) {
      const { qrCode, validDate } = response.data;
      setQrcodeStatus('active');
      setQrcodeVal(qrCode);
      setQrcodeTime(validDate);
      if (timer) {
        clearInterval(timer);
      }
      timer = setInterval(() => {
        const timeDiff = getTimeDiff(validDate);
        if (timeDiff > 0) {
          clearInterval(timer);
          setQrcodeStatus('expired');
          return;
        }
        checkQrcode(qrCode as string);
      }, 2000);
    }
  };

  const checkQrcode = async (text: string) => {
    const response = await sancAuthCheck(text);
    if (response.code === 200) {
      const { authStatus } = response.data;
      switch (authStatus) {
        case 'success':
          setQrcodeStatus('scanned');
          message.success('扫码成功');
          const defaultLoginSuccessMessage = intl.formatMessage({
            id: 'pages.login.success',
            defaultMessage: '登录成功！',
          });
          const current = new Date();
          const expireTime = current.setTime(current.getTime() + 1000 * 12 * 60 * 60);
          setSessionToken(response.data?.token, response.data?.token, expireTime);
          message.success(defaultLoginSuccessMessage);
          await fetchUserInfo();
          const urlParams = new URL(window.location.href).searchParams;
          history.push(urlParams.get('redirect') || '/');
          setTimeout(() => history.go(0), 0);
          break;
        case 'failed':
          setQrcodeStatus('expired');
          message.error(response.data.errCode + '：' + response.data.errMsg);
          break;
        case 'pending':
          break;
      }
    } else {
      clearInterval(timer);
      setQrcodeStatus('expired');
    }
  };

  function getTimeDiff(validTimeStr: string): number {
    const now = new Date();
    const [h, m, s] = validTimeStr.split(':').map(Number);

    const target = new Date();
    target.setHours(h, m, s, 0);

    return now.getTime() - target.getTime();
  }

  const { code } = userLoginState;
  const loginType = type;

  useEffect(() => {
    getCaptchaCode();
  }, []);

  return (
    <div className={containerClassName}>
      <Helmet>
        <title>
          {intl.formatMessage({
            id: 'menu.login',
            defaultMessage: '登录页',
          })}
          - {Settings.title}
        </title>
      </Helmet>
      <Lang />
      <div
        style={{
          flex: '1',
          padding: '32px 0',
        }}
      >
        <LoginForm
          contentStyle={{
            minWidth: 280,
            maxWidth: '75vw',
          }}
          submitter={type === 'scanQode' ? false : true}
          // logo={<img alt="logo" src={logoImg} />}
          title="青岛智慧就业服务系统"
          // subTitle={intl.formatMessage({ id: 'pages.layouts.userLayout.title' })}
          initialValues={{
            autoLogin: true,
          }}
          // actions={[
          //   <FormattedMessage
          //     key="loginWith"
          //     id="pages.login.loginWith"
          //     defaultMessage="其他登录方式"
          //   />,
          //   <ActionIcons key="icons" />,
          // ]}
          onFinish={async (values) => {
            await handleSubmit(values as API.LoginParams);
          }}
        >
          <Tabs
            activeKey={type}
            onChange={(type) => {
              setType(type);
              if (timer) {
                clearInterval(timer);
              }
              if (type === 'scanQode') {
                generateQrcode();
              }
            }}
            centered
            items={[
              {
                key: 'account',
                label: intl.formatMessage({
                  id: 'pages.login.accountLogin.tab',
                  defaultMessage: '账户密码登录',
                }),
              },
              {
                key: 'scanQode',
                label: '社保卡扫码登录',
              },
              // {
              //   key: 'mobile',
              //   label: intl.formatMessage({
              //     id: 'pages.login.phoneLogin.tab',
              //     defaultMessage: '手机号登录',
              //   }),
              // },
            ]}
          />

          {/* {code !== 200 && loginType === 'account' && ( */}
          {/*  <LoginMessage*/}
          {/*    content={intl.formatMessage({*/}
          {/*      id: 'pages.login.accountLogin.errorMessage',*/}
          {/*      defaultMessage: '账户或密码错误(admin/admin123)',*/}
          {/*    })}*/}
          {/*  />*/}
          {/*)}*/}

          {type === 'scanQode' && (
            <>
              <Row>
                <Col offset={1}>
                  <QRCode
                    errorLevel="H"
                    size={300}
                    iconSize={300 / 5}
                    status={qrcodeStatus}
                    onRefresh={() => generateQrcode()}
                    value={qrcodeVal}
                    icon={login_imge2b033b1}
                  />
                </Col>
              </Row>
            </>
          )}

          {type === 'account' && (
            <>
              <ProFormText
                name="username"
                initialValue="admin"
                fieldProps={{
                  size: 'large',
                  prefix: <UserOutlined />,
                }}
                placeholder={intl.formatMessage({
                  id: 'pages.login.username.placeholder',
                  defaultMessage: '用户名: admin',
                })}
                rules={[
                  {
                    required: true,
                    message: (
                      <FormattedMessage
                        id="pages.login.username.required"
                        defaultMessage="请输入用户名!"
                      />
                    ),
                  },
                ]}
              />
              <ProFormText.Password
                name="password"
                initialValue="admin123"
                fieldProps={{
                  size: 'large',
                  prefix: <LockOutlined />,
                }}
                placeholder={intl.formatMessage({
                  id: 'pages.login.password.placeholder',
                  defaultMessage: '密码: admin123',
                })}
                rules={[
                  {
                    required: true,
                    message: (
                      <FormattedMessage
                        id="pages.login.password.required"
                        defaultMessage="请输入密码！"
                      />
                    ),
                  },
                ]}
              />
              <Row>
                <Col flex={3}>
                  <ProFormText
                    style={{
                      float: 'right',
                    }}
                    name="code"
                    placeholder={intl.formatMessage({
                      id: 'pages.login.captcha.placeholder',
                      defaultMessage: '请输入验证',
                    })}
                    rules={[
                      {
                        required: true,
                        message: (
                          <FormattedMessage
                            id="pages.searchTable.updateForm.ruleName.nameRules"
                            defaultMessage="请输入验证啊"
                          />
                        ),
                      },
                    ]}
                  />
                </Col>
                <Col flex={2}>
                  <Image
                    src={captchaCode}
                    alt="验证码"
                    style={{
                      display: 'inline-block',
                      verticalAlign: 'top',
                      cursor: 'pointer',
                      paddingLeft: '10px',
                      width: '100px',
                    }}
                    preview={false}
                    onClick={() => getCaptchaCode()}
                  />
                </Col>
              </Row>
            </>
          )}

          {code !== 200 && loginType === 'mobile' && <LoginMessage content="验证码错误" />}
          {type === 'mobile' && (
            <>
              <ProFormText
                fieldProps={{
                  size: 'large',
                  prefix: <MobileOutlined />,
                }}
                name="mobile"
                placeholder={intl.formatMessage({
                  id: 'pages.login.phoneNumber.placeholder',
                  defaultMessage: '手机号',
                })}
                rules={[
                  {
                    required: true,
                    message: (
                      <FormattedMessage
                        id="pages.login.phoneNumber.required"
                        defaultMessage="请输入手机号！"
                      />
                    ),
                  },
                  {
                    pattern: /^1\d{10}$/,
                    message: (
                      <FormattedMessage
                        id="pages.login.phoneNumber.invalid"
                        defaultMessage="手机号格式错误！"
                      />
                    ),
                  },
                ]}
              />
              <ProFormCaptcha
                fieldProps={{
                  size: 'large',
                  prefix: <LockOutlined />,
                }}
                captchaProps={{
                  size: 'large',
                }}
                placeholder={intl.formatMessage({
                  id: 'pages.login.captcha.placeholder',
                  defaultMessage: '请输入验证码',
                })}
                captchaTextRender={(timing, count) => {
                  if (timing) {
                    return `${count} ${intl.formatMessage({
                      id: 'pages.getCaptchaSecondText',
                      defaultMessage: '获取验证码',
                    })}`;
                  }
                  return intl.formatMessage({
                    id: 'pages.login.phoneLogin.getVerificationCode',
                    defaultMessage: '获取验证码',
                  });
                }}
                name="captcha"
                rules={[
                  {
                    required: true,
                    message: (
                      <FormattedMessage
                        id="pages.login.captcha.required"
                        defaultMessage="请输入验证码！"
                      />
                    ),
                  },
                ]}
                onGetCaptcha={async (phone) => {
                  const result = await getFakeCaptcha({
                    phone,
                  });
                  if (!result) {
                    return;
                  }
                  message.success('获取验证码成功！验证码为：1234');
                }}
              />
            </>
          )}
          {type !== 'scanQode' && (
            <div
              style={{
                marginBottom: 24,
              }}
            >
              <ProFormCheckbox noStyle name="autoLogin">
                <FormattedMessage id="pages.login.rememberMe" defaultMessage="自动登录" />
              </ProFormCheckbox>
              <a
                style={{
                  float: 'right',
                }}
              >
                <FormattedMessage id="pages.login.forgotPassword" defaultMessage="忘记密码" />
              </a>
            </div>
          )}
        </LoginForm>
      </div>
      <Footer />
    </div>
  );
};

export default Login;
