import React, { Component } from 'react';
import Cropper from 'react-cropper';
import 'cropperjs/dist/cropper.css';
import './index.less';
import FileUpload from '@src/components/FileUpload';
import Assets from '@src/components/Assets';
import scale from '@src/services/Scale';
import { asyncSMessage } from '@src/services/AsyncTools';
import { SelectInput, VerificationInput, Input } from '../Login';
import { MobileArea } from '../../../Constant';
import Invite from '../Invite';
import Modal from '../Modal';
import { Common } from '../../stores/common';
import { User } from '../../stores/user';
import { My } from '../../stores/my';

export class BindPhone extends Component {
  constructor(props) {
    super(props);
    this.props.data = this.props.data || {};
    this.state = Object.assign({ step: 0, data: {} }, this.initState(this.props));
    this.stepProp = {
      0: {
        title: '绑定手机',
        onConfirm: props.onConfirm,
      },
      1: {
        title: '绑定手机',
        onConfirm: () => {
          this.submit();
        },
        onCancel: props.onCancel,
        confirmText: '提交',
      },
    };
  }

  initState(props) {
    if (!props.show || this.props.show) return {};
    const data = Object.assign({}, props.data);
    if (!data.area) data.area = MobileArea[0].value;
    return { step: props.data.mobile ? 0 : 1, data };
  }

  componentWillReceiveProps(nextProps) {
    this.setState(this.initState(nextProps));
  }

  onNext() {
    this.setState({ step: 1 });
  }

  changeData(field, value) {
    let { data } = this.state;
    data = data || {};
    data[field] = value;
    this.setState({ data, error: null });
  }

  validMobile() {
    const { data } = this.state;
    const { area, mobile } = data;
    if (!area || !mobile) return;
    this.validNumber += 1;
    const number = this.validNumber;
    User.validMobile(area, mobile)
      .then(result => {
        if (number !== this.validNumber) return Promise.resolve();
        return result ? Promise.resolve() : Promise.reject(new Error('该手机已绑定其他账号，请更换手机号码'));
      })
      .catch(err => {
        this.setState({ mobileError: err.message });
      });
  }

  sendValid() {
    const { data, error } = this.state;
    const { area, mobile } = data;
    if (!area || !mobile || error) return Promise.reject();
    return Common.sendSms(area, mobile)
      .then(result => {
        if (result) {
          asyncSMessage('发送成功');
          this.setState({ error: '', validError: '' });
        } else {
          throw new Error('发送失败');
        }
      })
      .catch(err => {
        this.setState({ error: err.message });
        throw err;
      });
  }

  submit() {
    const { data, error } = this.state;
    if (!data.mobile || !data.area || error) return;
    const { area, mobile } = data;
    My.bindMobile(area, mobile)
      .then(() => {
        asyncSMessage('操作成功');
        this.setState({ step: 0 });
        User.infoHandle(Object.assign(this.props.data, { area, mobile }));
        this.props.onConfirm();
      })
      .catch(e => {
        this.setState({ error: e.message });
      });
  }

  render() {
    const { show } = this.props;
    const { step = 0 } = this.state;
    return (
      <Modal className="bind-phone-modal" show={show} width={630} {...this.stepProp[step]}>
        <div className="bind-phone-modal-wrapper">{this[`renderStep${step}`]()}</div>
      </Modal>
    );
  }

  renderStep0() {
    const { data } = this.state;
    return (
      <div className="step-0-layout">
        已绑定手机 {data.mobile}
        <a onClick={() => this.onNext()}>修改</a>
      </div>
    );
  }

  renderStep1() {
    return (
      <div className="step-1-layout">
        <div className="label">手机号</div>
        <div className="input-layout">
          <SelectInput
            placeholder="请输入手机号"
            selectValue={this.state.data.area}
            select={MobileArea}
            value={this.state.data.mobile}
            error={this.state.error}
            onSelect={value => {
              this.changeData('area', value);
              this.validMobile();
            }}
            onChange={e => {
              this.changeData('mobile', e.target.value);
              this.validMobile();
            }}
          />
          <VerificationInput
            placeholder="请输入验证码"
            value={this.state.data.mobileVerifyCode}
            error={this.state.validError}
            onSend={() => {
              return this.sendValid();
            }}
            onChange={e => {
              this.changeData('mobileVerifyCode', e.target.value);
            }}
          />
        </div>
      </div>
    );
  }
}

export class BindEmail extends Component {
  constructor(props) {
    super(props);
    this.props.data = this.props.data || {};
    this.state = Object.assign({ step: 0, data: {} }, this.initState(this.props));
    this.stepProp = {
      0: {
        title: '绑定邮箱',
        onConfirm: props.onConfirm,
      },
      1: {
        title: '绑定邮箱',
        onConfirm: () => {
          this.submit();
        },
        onCancel: props.onCancel,
        confirmText: '提交',
      },
    };
  }

  initState(props) {
    if (!props.show || this.props.show) return {};
    return { step: props.data.email ? 0 : 1, data: Object.assign({}, props.data) };
  }

  componentWillReceiveProps(nextProps) {
    this.setState(this.initState(nextProps));
  }

  onNext() {
    this.setState({ step: 1 });
  }

  changeData(field, value) {
    let { data } = this.state;
    data = data || {};
    data[field] = value;
    this.setState({ data, error: null });
  }

  submit() {
    const { data, error } = this.state;
    if (!data.email || error) return;
    const { email } = data;
    My.bindEmail(email)
      .then(() => {
        asyncSMessage('操作成功');
        this.setState({ step: 0 });
        User.infoHandle(Object.assign(this.props.data, { email }));
        this.props.onConfirm();
      })
      .catch(e => {
        this.setState({ error: e.message });
      });
  }

  render() {
    const { show } = this.props;
    const { step = 0 } = this.state;
    return (
      <Modal className="bind-email-modal" show={show} width={630} {...this.stepProp[step]}>
        <div className="bind-email-modal-wrapper">{this[`renderStep${step}`]()}</div>
      </Modal>
    );
  }

  renderStep0() {
    const { data } = this.state;
    return (
      <div className="step-0-layout">
        已绑定邮箱 {data.email}
        <a onClick={() => this.onNext()}>修改</a>
      </div>
    );
  }

  renderStep1() {
    return (
      <div className="step-1-layout">
        <div className="label">邮箱地址</div>
        <div className="input-layout">
          <Input
            placeholder="请输入邮箱"
            value={this.state.data.email}
            error={this.state.error}
            onChange={e => {
              this.changeData('email', e.target.value);
            }}
          />
        </div>
      </div>
    );
  }
}

export class EditInfo extends Component {
  constructor(props) {
    super(props);
    this.props.data = this.props.data || {};
    this.state = Object.assign({ data: {} }, this.initState(this.props));
  }

  initState(props) {
    if (props.image && this.waitImage) {
      const { state } = this;
      Common.upload(props.image).then(result => {
        const { data } = this.state;
        data.avatar = result.url;
        this.setState({ data, uploading: false });
      }).catch((e) => {
        this.setState({ imageError: e.message });
      });
      state.uploading = true;
      this.waitImage = false;
      return state;
    }
    if (!props.show || this.props.show) return {};
    return { data: Object.assign({}, props.data) };
  }

  componentWillReceiveProps(nextProps) {
    this.setState(this.initState(nextProps));
  }

  changeData(field, value) {
    let { data } = this.state;
    data = data || {};
    data[field] = value;
    this.setState({ data, error: null });
  }

  submit() {
    const { data, error } = this.state;
    if (!data.nickname || error) return;
    const { nickname, avatar } = data;
    My.editInfo({ nickname, avatar })
      .then(() => {
        asyncSMessage('操作成功');
        User.infoHandle(Object.assign(this.props.data, { nickname, avatar }));
        this.props.onConfirm();
      })
      .catch(e => {
        this.setState({ error: e.message });
      });
  }

  render() {
    const { show, onCancel, onSelectImage } = this.props;
    return (
      <Modal
        className="edit-info-modal"
        show={show}
        width={630}
        title="修改资料"
        confirmText="保存"
        onCancel={onCancel}
        onConfirm={() => {
          this.submit();
        }}
      >
        <div className="edit-info-modal-wrapper">
          <div className="edit-info-modal-block">
            <div className="label">昵称</div>
            <div className="input-layout">
              <Input
                placeholder="2-20位，不可使用特殊字符。"
                value={this.state.data.nickname || ''}
                error={this.state.error}
                onChange={e => {
                  this.changeData('nickname', e.target.value);
                }}
              />
            </div>
          </div>
          <div className="edit-info-modal-block">
            <div className="label">头像</div>
            <div className="input-layout">
              <FileUpload
                uploading={this.state.uploading}
                value={this.state.data.avatar}
                onUpload={({ file }) => {
                  this.waitImage = true;
                  onSelectImage(file);
                  return Promise.reject();
                }} />
              {this.state.imageError || ''}
            </div>
          </div>
        </div>
      </Modal>
    );
  }
}

export class RealAuth extends Component {
  constructor(props) {
    super(props);
    this.state = { data: {} };
  }

  render() {
    const { show, onConfirm } = this.props;
    return (
      <Modal
        className="real-auth-modal"
        show={show}
        width={630}
        title="实名认证"
        confirmText="好的，知道了"
        btnAlign="center"
        onConfirm={onConfirm}
      >
        <div className="real-auth-modal-wrapper">
          <div className="real-auth-text">
            <div className="t1">完成实名认证即可领取：</div>
            <div className="t2">6个月VIP权限 和 5折机经优惠劵。</div>
            <div className="t3">扫码关注公众号，点击“我的-实名认证”</div>
          </div>
          <div className="real-auth-qrcode">
            <Assets name="qrcode" />
          </div>
        </div>
      </Modal>
    );
  }
}

export class EditAvatar extends Component {
  constructor(props) {
    super(props);
    this.state = Object.assign({ data: {} }, this.initState(this.props));
  }

  initState(props) {
    if (props.image) this.loadImage(props.image);
    if (!props.show || this.props.show) return {};
    return { data: {} };
  }

  componentWillReceiveProps(nextProps) {
    this.setState(this.initState(nextProps));
  }

  loadImage(file) {
    this.defaultZoomValue = 1;
    if (window.FileReader) {
      const reader = new FileReader();
      reader.readAsDataURL(file);
      // 渲染文件
      reader.onload = (arg) => {
        this.setState({ image: arg.target.result, fileName: file.name, zoomValue: 1 });
      };
    } else {
      const img = new Image();
      img.onload = function () {
        const canvas = document.createElement('canvas');
        canvas.height = img.height;
        canvas.width = img.width;
        const ctx = canvas.getContext('2d');
        ctx.drawImage(img, 0, 0);
        this.setState({ image: canvas.toDataURL() });
      };
      img.src = '1.gif';
    }
  }

  computerZoom() {
    const data = this.cropRef.getImageData();
    this.defaultZoomValue = 200 / parseFloat(Math.max(data.naturalWidth, data.naturalHeight));
  }

  crop() {
    // image in dataUrl
    // console.log(this.cropRef.getCroppedCanvas().toDataURL())
    // const canvas = this.cropRef.getCroppedCanvas();
    // const avatar = scale(this.props.crop, canvas, 'png-src');
    // let scaleCanvas = this.cropRef.getCroppedCanvas(this.props.crop)
    // this.setState({ avatar });
  }

  select() {
    const { fileName } = this.state;
    const { onConfirm } = this.props;
    const canvas = this.cropRef.getCroppedCanvas();
    const scaleCanvas = scale(this.props.crop, canvas);
    // let scaleCanvas = this.cropRef.getCroppedCanvas(this.props.crop)

    scaleCanvas.toBlob((blob) => {
      const file = new File([blob], fileName);
      onConfirm(file);
    });
  }

  render() {
    const { show, onCancel } = this.props;
    const { image } = this.state;
    return (
      <Modal
        className="edit-avatar-modal"
        show={show}
        width={630}
        title="调整头像"
        confirmText="保存头像"
        onConfirm={() => {
          this.select();
        }}
        onCancel={onCancel}
      >
        <div className="edit-avatar-modal-wrapper">
          <div className="edit-avatar-o">
            <Cropper
              ref={(ref) => { this.cropRef = ref; }}
              src={image}
              ready={() => {
                this.computerZoom();
              }}
              style={{ height: 360, width: 360 }}
              // Cropper.js options
              aspectRatio={1}
              viewMode={0}
              // autoCropArea={0.8}
              preview=".img-preview"
              // dragMode='move'
              guides={false}
              movable={false}
              rotatable={false}
              scalable={false}
              // zoom={(value) => {
              //   console.log('zoom', value);
              //   const zoomValue = value * this.defaultZoomValue / 50;
              //   this.cropRef.zoomTo(zoomValue);
              // }}
              cropmove={() => {
                this.crop();
              }}
              toggleDragModeOnDblclick={false}
              cropBoxResizable />
          </div>
          <div className="edit-avatar-r">
            <div className="text">头像预览</div>
            <div className="img-preview" style={{ width: 100, height: 100, overflow: 'hidden' }} />
          </div>
        </div>
      </Modal>
    );
  }
}

export class InviteModal extends Component {
  constructor(props) {
    super(props);
    this.state = { data: {} };
  }

  render() {
    const { show, onClose, data } = this.props;
    return (
      <Modal className="invite-modal" show={show} width={630} title="邀请好友" onClose={onClose}>
        <div className="invite-modal-wrapper">
          <div className="tip">每邀请一位小伙伴加入“千行GMAT”, 您的VIP权限会延长7天，可累加 无上限！赶紧行动吧~</div>
          <Invite data={data} />
        </div>
      </Modal>
    );
  }
}