import React, { useEffect, useState, useRef } from 'react';
import { Form, Button, Input, Row, Col, Modal, Spin, message } from 'antd';
import { UserOutlined, LockOutlined, SafetyCertificateOutlined, VideoCameraOutlined } from '@ant-design/icons';
import './style.less';
import { changePass, rgbToBase64 } from './service';
import logo from '@/images/login/logoPic.png';
import { refreshTokenApi, ZjfakeAccountLogin, ZjfakeFaceLogin } from '@/services/login';
import { history } from 'umi';
import cookie from 'react-cookies';
import moment from 'moment';
import FrameFaceLogin from '../faceLogin/FrameFaceLogin';
import { fromPairs } from 'lodash';

const layout = {
  labelCol: { span: 7 },
  wrapperCol: { span: 13 },
};

export interface RgbParams {
  type: string;
  image: string;
}

const Index: React.FC<{}> = () => {
  const [form] = Form.useForm();
  const [imgUrl, setImgUrl] = useState<any>('');
  const [tmpToken, setTmpToken] = useState<any>('');
  const remainingTime = 3 //刷新token的剩余时间，单位小时
  const [changeForm] = Form.useForm();
  const [isModalVisible, setIsModalVisible] = useState<boolean>(false)
  const [spinning, setSping] = useState<boolean>(false);//加载遮罩
  const [isFaceLogin, setIsFaceLogin] = useState<boolean>(false);
  const video = useRef();
  const whetherIE = useRef<boolean>(false);

  const genRandomString = (len: number) => {
    const text = 'abcdefghijklmnopqrstuvwxyz0123456789';
    const rdmIndex = (text: string | any[]) => (Math.random() * text.length) | 0;
    let rdmString = '';
    for (; rdmString.length < len; rdmString += text.charAt(rdmIndex(text)));
    return rdmString;
  };
  const changeCaptcha = () => {
    let tmpToken = genRandomString(16);
    let url = '/api/auth/captcha?token=' + tmpToken;
    setTmpToken(tmpToken);
    setImgUrl(url);
  };

  //登录刷新Token方法
  const refreshToken = async (data: any) => {
    const params = {
      grant_type: "refresh_token",
      refresh_token: data?.refreshToken?.value,
      client_id: REACT_APP_CLIENT_KEY,
      client_secret: REACT_APP_CLIENT_SECRET,
    }
    const header = {
      clientId: REACT_APP_CLIENT_KEY,
    }
    await refreshTokenApi(params, header).then(res => {
      if (res?.success == true) {
        sessionStorage.setItem('Authorization', res?.data?.value);
        sessionStorage.setItem('refreshToken', res?.data?.refreshToken.value);
        sessionStorage.setItem('scope', res?.data?.scope);
        history.push('/redirect');
      }
    })
  }

  const handleSubmit = async (values: any) => {
    await ZjfakeAccountLogin({ ...values, tmpToken }).then((res) => {
      if (res?.success) {
        if (moment(res?.data?.expiration).diff(moment(), 'hours') < remainingTime) {
          refreshToken(res?.data)
        } else {
          sessionStorage.setItem('Authorization', res?.data?.value);
          sessionStorage.setItem('refreshToken', res?.data?.refreshToken.value);
          sessionStorage.setItem('scope', res?.data?.scope);
          history.push('/redirect');
        }
      }
      changeCaptcha();
    });
  };

  const hanleFaceSubmit = async (multipartFiles: any, values: any) => {
    let userName = form.getFieldValue('userName');
    if(whetherIE.current){
      if(!multipartFiles){
        const childFrameObj = document.getElementById('faceLoginFrame');
        childFrameObj.contentWindow.postMessage('capture', '*');  
      }else{
        await ZjfakeFaceLogin({ userName, multipartFiles }).then((res) => {
          if (res?.success) {
            if (moment(res?.data?.expiration).diff(moment(), 'hours') < remainingTime) {
              refreshToken(res?.data)
            } else {
              sessionStorage.setItem('Authorization', res?.data?.value);
              sessionStorage.setItem('refreshToken', res?.data?.refreshToken.value);
              sessionStorage.setItem('scope', res?.data?.scope);
              history.push('/redirect');
            }
          }
        });
      }
    }
    else{
      if(!multipartFiles){
        const canvas = document.createElement('canvas');
        canvas.setAttribute('width','300');
        canvas.setAttribute('height', '200');
        const context = canvas.getContext('2d');
        context.drawImage(video.current, 0, 0, 300, 200);
        canvas.toBlob(function (result:any) {
          hanleFaceSubmit(result, null);
        })
      }else{
          await ZjfakeFaceLogin({ userName, multipartFiles }).then((res) => {
            if (res?.success) {
              if (moment(res?.data?.expiration).diff(moment(), 'hours') < remainingTime) {
                refreshToken(res?.data)
              } else {
                sessionStorage.setItem('Authorization', res?.data?.value);
                sessionStorage.setItem('refreshToken', res?.data?.refreshToken.value);
                sessionStorage.setItem('scope', res?.data?.scope);
                history.push('/redirect');
              }
            }
          });
        }
      }
  }

  const handleOk = () => { // 确定修改密码
    if (changeForm.getFieldValue("newPassword") !== changeForm.getFieldValue("newPassword1")) {
      message.warn('两次密码输入不一致，请重新输入')
    } else {
      changeForm.validateFields().then(res => {
        setSping(true);
        const date = {
          identityCard: changeForm.getFieldValue("identityCard"),
          oldPassword: changeForm.getFieldValue("oldPassword"),
          newPassword: changeForm.getFieldValue("newPassword"),
        };
        changePass({ ...date }).then(res => {
          if (res.success) {
            setSping(false);
            setIsModalVisible(false)
            message.success('修改密码成功');
            changeForm.resetFields()
          } else {
            setSping(false);
          }
        }).finally(() => {
          setSping(false);
        });;
      })
    }
  }

  //登录模式改变事件
  const LoginModeChangeEvent = (mode: any) => {
    switch(mode){
      case 1:
        setIsFaceLogin(true);
        InitMedia();
        break;
      case 2:
        setIsFaceLogin(false);
        break;
    }
  }
  //浏览器类型
  const BrowserType = () =>{
      //取得浏览器的userAgent字符串
      var userAgent = navigator.userAgent;
      //判断是否IE<11
      var isIE = userAgent.indexOf("compatible") > -1 && userAgent.indexOf("MSIE") > -1;
      //判断是否IE的Edge浏览器
      var isEdge = userAgent.indexOf("Edge") > -1 && !isIE;
      //判断是否IE11
      var isIE11 = userAgent.indexOf("Trident") > -1 && userAgent.indexOf("rv:11.0") > -1;
      if(isIE){
          var reIE = new RegExp("MSIE(\\d+\\.\\d+);");
          reIE.test(userAgent);
          var fIEVersion = parseFloat(RegExp["$1"]);
          if(fIEVersion == 7){
              return 7;
          }else if(fIEVersion == 8){
              return 8;
          }else if(fIEVersion == 9){
              return 9;
          }else if(fIEVersion == 10){
              return 10;
          }else{
              //IE版本<=7
              return 6;
          }
      }else if(isEdge){
          return 'edge';
      }else if(isIE11){
          //IE11
          whetherIE.current = true;
          return 11;
      }else{
          //不是IE浏览器
          return -1;
      }
  }
  //初始化video
  const InitMedia = () => {
    BrowserType();
    if(!whetherIE.current){
        InitUserMedia({video : {width: 480, height: 320}}, success, error);
    }
  };
  //访问用户媒体设备的兼容方法
  const InitUserMedia = (constraints: any, success: any, error: any) => {
    if (navigator.mediaDevices.getUserMedia) {
        //最新的标准API
        navigator.mediaDevices.getUserMedia(constraints).then(success).catch(error);
    } else if (navigator.webkitGetUserMedia) {
        //webkit核心浏览器
        navigator.webkitGetUserMedia(constraints,success, error);
    } else if (navigator.mozGetUserMedia) {
        //firfox浏览器
        navigator.mozGetUserMedia(constraints, success, error);
    } else if (navigator.getUserMedia) {
        //旧版API
        navigator.getUserMedia(constraints, success, error);
    }
  }
  //调用媒体设备成功回调方法
  const success = (stream: any) => {
    //兼容webkit核心浏览器
    const CompatibleURL = window.URL || window.webkitURL;
    //将视频流设置为video元素的源
    console.log(stream);
    //video.src = CompatibleURL.createObjectURL(stream);
    video.current.srcObject = stream;
    video.current.play();
  }
  //调用媒体设备失败回调方法    
  const error = (error:any) => {
      message.warn('无法获取到摄像头权限，请确认是否存在摄像头及是否授权使用摄像头');
      console.log(`访问用户媒体设备失败${error.name}, ${error.message}`);
  }

  //base64转blob
  const base64ToBlob = (base64:string) =>{
    const parts = base64.split(";base64,");
    const contentType = parts[0].split(":")[1];
    const raw = window.atob(parts[1]);
    const rawLength = raw.length;
    const uInt8Array = new Uint8Array(rawLength);
    for (let i = 0; i < rawLength; i += 1) {
      uInt8Array[i] = raw.charCodeAt(i);
    }
    return new Blob([uInt8Array], { type: contentType });
  };

  //RgbToBase64
  const RgbToBase64 = async (image:any) =>{
    await rgbToBase64({image}).then(res => {
      const _blob = base64ToBlob( 'data:image/jpg;base64,' + res.data);
      hanleFaceSubmit(_blob, null);
    });
  }
  
  useEffect(() => {
    cookie.remove('mall3_token');
    sessionStorage.clear();
    changeCaptcha();
  }, []);

  return (
    <Spin spinning={spinning}>
      <div className="login-box">
        <div className="top">
          <img src={logo} />
          <h3>中国联通智慧供应链平台 | 招标采购中心</h3>
          <Button className="change" danger style={{ borderColor: '#b30000', color: '#b30000' }} onClick={() => (setIsModalVisible(true), changeForm.resetFields())}>修改密码</Button>
        </div>
        <div className="main">
          <div className="text">
            <h3>登 录</h3>
            {!isFaceLogin ? (
            <Form
              name="basic"
              className="form-box"
              initialValues={{ remember: true }}
              form={form}
              onFinish={handleSubmit}
            // onFinishFailed={onFinishFailed}
            >
              <Form.Item
                label=""
                name="userName"
                rules={[{ required: true, message: '请输入用户名!' }]}
              >
                <Input
                  prefix={
                    <UserOutlined style={{ fontSize: '18px' }} className="site-form-item-icon" />
                  }
                  placeholder="请输入用户名"
                />
              </Form.Item>
              <Form.Item
                label=""
                name="password"
                rules={[{ required: true, message: '请输入密码!' }]}
              >
                <Input.Password
                  prefix={
                    <LockOutlined style={{ fontSize: '18px' }} className="site-form-item-icon" />
                  }
                  placeholder="请输入密码"
                  addonAfter={<VideoCameraOutlined onClick={() => LoginModeChangeEvent(1)}/>}
                />
              </Form.Item>

              <Row>
                <Col span={14}>
                  <Form.Item
                    label=""
                    name="captcha"
                    rules={[{ required: true, message: '请输入验证码!' }]}
                  >
                    <Input
                      prefix={
                        <SafetyCertificateOutlined
                          style={{ fontSize: '18px' }}
                          className="site-form-item-icon"
                        />
                      }
                      placeholder="请输入验证码"
                    />
                  </Form.Item>
                </Col>
                <Col span={10}>
                  <img className="verification" onClick={() => changeCaptcha()} src={imgUrl} />
                </Col>
              </Row>

              {/* <Form.Item className="remember" name="remember" valuePropName="checked">
              <Checkbox>记住密码</Checkbox>
            </Form.Item> */}
              <Form.Item>
                <Button type="primary" className="w100" htmlType="submit">
                  登 录
              </Button>
              </Form.Item>
            </Form>):(
            <Form
              name="basic"
              className="form-box"
              initialValues={{ remember: true }}
              form={form}
              onFinish={hanleFaceSubmit.bind(this, null)}
            // onFinishFailed={onFinishFailed}
            >
              <Form.Item
                label=""
                name="userName"
                rules={[{ required: true, message: '请输入用户名!' }]}
              >
                <Input
                  prefix={
                    <UserOutlined style={{ fontSize: '18px' }} className="site-form-item-icon" />
                  }
                  placeholder="请输入用户名"
                  addonAfter = {<LockOutlined onClick={() => LoginModeChangeEvent(2)}/>}
                />
              </Form.Item>
              {/* 加载摄像头 */}
              <Form.Item>
                  {!whetherIE.current ? (<video ref={video} width="382" height="200"></video>):(<FrameFaceLogin faceCompareEvent = {RgbToBase64}/>)}
              </Form.Item>
              <Form.Item>
              {/* onClick={() => {hanleFaceSubmit(null, null);}} */}
                <Button type="primary" className="w100" htmlType="submit">
                  登 录
                </Button>
              </Form.Item>
            </Form>)}
          </div>
        </div>
        {/* <div className="footer">版权所有：中国联合网络通信有限公司</div> */}
        <Modal
          title="修改密码"
          visible={isModalVisible}
          onCancel={() => setIsModalVisible(false)}
          footer={[
            <Button onClick={() => handleOk()} loading={spinning}>确 定</Button>,
            <Button onClick={() => setIsModalVisible(false)}>取 消</Button>
          ]}
          width={600}
        >
          <Spin spinning={spinning}>
            <Form
              {...layout}
              name="basic"
              form={changeForm}
            >
              <Form.Item
                label="身份证(用户名)"
                name="identityCard"
                rules={[
                  {
                    required: true,
                    message: '请输入身份证(用户名)',
                  },
                ]}
              >
                <Input />
              </Form.Item>
              <Form.Item
                label="原密码"
                name="oldPassword"
                rules={[
                  {
                    required: true,
                    message: '请输入原始密码',
                  },
                ]}
              >
                <Input.Password />
              </Form.Item>
              <Form.Item
                label="新密码"
                name="newPassword"
                rules={[
                  {
                    required: true,
                    validator: (rule, value, callback) => {
                      const oNumber = new RegExp(/\d/);
                      const oLetter = new RegExp(/[a-zA-Z]/);
                      const oSpecial = '.~!@#$%^&*()_+=-{}|:<>?,./[]-;\\"';
                      if (!value) {
                        callback('请输入新密码');
                        return;
                      }
                      if (value.length < 6) {
                        callback('密码不能小于六位，至少含字母、数字、特殊字符其中的2种！');
                        return;
                      }
                      try {
                        [...value].forEach(val => {
                          if (
                            !(
                              oNumber.test(val) ||
                              oLetter.test(val) ||
                              oSpecial.indexOf(val) >= 0
                            )
                          ) {
                            throw new Error();
                          }
                        });
                      } catch (e) {
                        callback('密码不能小于六位，至少含字母、数字、特殊字符其中的2种！');
                      }
                      const contain: boolean[] = [];
                      [...value].forEach(val => {
                        if (oNumber.test(val)) {
                          contain[0] = true;
                        }
                        if (oLetter.test(val)) {
                          contain[1] = true;
                        }
                        if (oSpecial.indexOf(val) >= 0) {
                          contain[2] = true;
                        }
                      });
                      if (contain.filter(item => item === true).length < 2) {
                        callback('密码不能小于六位，至少含字母、数字、特殊字符其中的2种！');
                        return;
                      }
                      callback();
                    }
                  }
                ]}
              // rules={[
              //   {
              //     required: true,
              //     message: '请输入新密码',
              //   },
              // ]}
              >
                <Input.Password />
              </Form.Item>
              <Form.Item
                label="新密码确认"
                name="newPassword1"
                rules={[
                  {
                    required: true,
                    message: '请再次输入新密码',
                  },
                ]}
              >
                <Input.Password />
              </Form.Item>
            </Form>
          </Spin>
        </Modal>
      </div>
    </Spin>
  );
};

export default Index;