/*
 * @Author: 吴文洁
 * @Date: 2020-08-05 10:07:47
 * @LastEditors: fusanqiasng
 * @LastEditTime: 2021-06-16 18:16:14
 * @Description: 图文课新增/编辑页
 * @Copyright: 杭州杰竞科技有限公司 版权所有
 */

import React from 'react';
import { Button, Input, Radio, message, Modal, Cascader } from 'antd';
import $ from 'jquery';

import { DISK_MAP, FileTypeIcon, FileVerifyMap } from '@/common/constants/academic/lessonEnum';
import { ImgCutModalNew } from '@/components';
import ShowTips from '@/components/ShowTips';
import Breadcrumbs from '@/components/Breadcrumbs';
import AddGraphicsIntro from './components/AddGraphicsIntro';
import SelectStudent from '../modal/select-student';
import SelectPrepareFileModal from '../../prepare-lesson/modal/SelectPrepareFileModal';
import PreviewGraphicsModal from '../modal/PreviewGraphicsModal';
import StoreService from '@/domains/store-domain/storeService';
import Service from '@/common/js/service';
import { randomString } from '@/domains/basic-domain/utils';
import User from '@/common/js/user';
import _ from 'underscore';
import Upload from '@/core/upload';
import './AddGraphicsCourse.less';

const EDIT_BOX_KEY = Math.random();
const fieldNames = { label: 'categoryName', value: 'id', children: 'sonCategoryList' };

//添加课程时课程默认的一些值
const defaultShelfState = 'YES';
const whetherVisitorsJoin = 'NO';
const defaultCoverUrl = 'https://image.xiaomaiketang.com/xm/wFnpZtp2yB.png';
let cutFlag = false;

class AddGraphicsCourse extends React.Component {
  constructor(props) {
    super(props);

    const id = getParameterByName('id');
    const pageType = getParameterByName('type');

    this.state = {
      id, // 图文课ID,编辑的时候从URL上带过来
      pageType, // 页面类型: add->新建 edit->编辑
      imageFile: null, // 需要被截取的图片
      courseName: null, // 图文课名称
      courseMedia: '',
      introduce: '',
      courseMediaId: null, // 图文课链接
      coverId: null, // 图文封面的recourceId
      coverUrl: defaultCoverUrl, // 图文课封面
      studentList: [], // 上课学员列表
      shelfState: 'YES', //是否开启学院展示
      selectedFileList: [], // 已经从资料云盘中勾选的文件
      showCutModal: false, // 是否显示截图弹窗
      showSelectVideoModal: false,
      studentModal: false,
      categoryName: null, //分类名称
      courseCatalogList: [], //分类列表
      categoryId: null, //分类的Id值
      whetherVisitorsJoin: 'NO', // 是否允许游客加入
    };
  }

  componentWillMount() {
    const { id, pageType } = this.state;
    this.getCourseCatalogList();
    if (pageType === 'edit') {
      this.handleFetchScheudleDetail(id);
    }
  }

  initBus = () => {
    Bus.bind('graphicsEditorImage', this.uploadImage);
    Bus.bind('graphicsEditorVideo', this.uploadVideo);
  };

  removeBus = () => {
    Bus.unbind('graphicsEditorImage', this.uploadImage);
    Bus.unbind('graphicsEditorVideo', this.uploadVideo);
  };

  uploadImage = () => {
    this.setState({ showSelectImageModal: true });
  };

  uploadVideo = () => {
    this.setState({ showSelectVideoModal: true });
  };

  //获取分类列表
  getCourseCatalogList = () => {
    StoreService.getCourseCatalogList({ current: 1, size: 1000 }).then((res) => {
      this.setState({
        courseCatalogList: res.result.records,
      });
    });
  };

  catalogChange = (value, options) => {
    const changeValueLength = value.length;
    switch (changeValueLength) {
      case 1:
        this.setState({ categoryId: value[0], categoryName: options[0].categoryName });
        break;
      case 2:
        this.setState({ categoryId: value[1], categoryName: `${options[0].categoryName}-${options[1].categoryName}` });
        break;
      default:
        this.setState({ categoryId: null, categoryName: '' });
        break;
    }
  };
  // 获取图文课详情
  handleFetchScheudleDetail = (courseId) => {
    Service.Hades('public/hades/mediaCourseDetail', {
      courseId,
    }).then((res) => {
      const { result = {} } = res || {};
      const { courseName, shelfState, whetherVisitorsJoin, courseMediaVOS, categoryOneName, categoryTwoName, categoryId } = result;
      let coverId;
      let coverUrl = this.state.coverUrl;
      let hasIntro = false;

      courseMediaVOS.map((item) => {
        switch (item.contentType) {
          case 'COVER':
            coverId = item.mediaContent;
            coverUrl = item.mediaUrl;
            break;
          case 'SCHEDULE':
            this.getTextDetail('courseMedia', item.mediaUrl);
            break;
          case 'INTRO':
            hasIntro = true;
            this.getTextDetail('introduce', item.mediaUrl);
            break;
          default:
            break;
        }
        return item;
      });

      let categoryName;
      if (categoryTwoName) {
        categoryName = `${categoryOneName}-${categoryTwoName}`;
      } else {
        categoryName = `${categoryOneName}`;
      }
      this.setState({
        loadintroduce: !hasIntro,
        coverId,
        coverUrl,
        courseName,
        shelfState,
        whetherVisitorsJoin,
        categoryName,
        categoryId,
      });
    });
  };

  getTextDetail = (key, url) => {
    $.ajax({
      data: {},
      type: 'GET',
      url,
      contentType: 'application/x-www-form-urlencoded; charset=UTF-8',
      success: (res) => {
        this.setState({ [key]: res, [`load${key}`]: true });
      },
    });
  };

  handleGoBack = () => {
    const { coverId, videoName, videoDuration, courseName, courseMediaId, categoryId, shelfState, whetherVisitorsJoin } = this.state;
    if (
      videoName ||
      videoDuration ||
      courseMediaId ||
      categoryId ||
      courseName ||
      coverId ||
      shelfState !== defaultShelfState ||
      whetherVisitorsJoin !== whetherVisitorsJoin
    ) {
      Modal.confirm({
        title: '确认要返回吗?',
        content: '返回后，本次编辑的内容将不被保存。',
        okText: '确认返回',
        cancelText: '留在本页',
        icon: <span className='icon iconfont default-confirm-icon'>&#xe6f4;</span>,
        onOk: () => {
          window.RCHistory.push({
            pathname: `/graphics-course`,
          });
        },
      });
    } else {
      window.RCHistory.push({
        pathname: `/graphics-course`,
      });
    }
  };

  // 修改表单
  handleChangeForm = (field, value, coverUrl) => {
    this.setState({
      [field]: value,
      coverUrl: coverUrl ? coverUrl : this.state.coverUrl,
    });
  };

  // 显示选择学员弹窗
  handleShowSelectStuModal = () => {
    this.setState({ studentModal: true });

    const { studentList, selectedStuList } = this.state;
    // const _studentList = _.map(studentList, (item) => {
    //   return item.studentId
    // })
    const studentModal = (
      <SelectStudent
        showTabs={true}
        type='videoCourse'
        onSelect={this.handleSelectStudent}
        after={true} //表明是不是上课后的状态
        studentList={studentList}
        close={() => {
          this.setState({
            studentModal: null,
          });
        }}
      />
    );
    this.setState({ studentModal });
  };

  handleSelectStudent = (studentIds) => {
    let studentList = [];
    _.each(studentIds, (item) => {
      studentList.push({ studentId: item });
    });
    // this.setState({ studentModal: null });
    this.setState({ studentList });
    this.setState({ studentModal: false });
  };

  // 显示预览弹窗
  handleShowPreviewModal = () => {
    const { coverUrl, courseName, courseMedia, introduce, categoryName } = this.state;

    const courseBasinInfo = {
      coverUrl,
      courseName,
      categoryName,
    };
    const courseIntroInfo = {
      courseMedia,
      introduce,
    };
    const previewGraphicsModal = (
      <PreviewGraphicsModal
        courseBasicInfo={courseBasinInfo}
        courseIntroInfo={courseIntroInfo}
        close={() => {
          this.setState({
            previewGraphicsModal: null,
          });
        }}
      />
    );

    this.setState({ previewGraphicsModal });
  };

  handleSelectCover = (file) => {
    this.uploadCoverImage(file);
  };

  //上传图片
  uploadCoverImage = (imageFile) => {
    const { folderName } = imageFile;
    const fileName = window.random_string(16) + folderName.slice(folderName.lastIndexOf('.'));
    const self = this;
    this.setState(
      {
        visible: true,
      },
      () => {
        setTimeout(() => {
          const okBtnDom = document.querySelector('#headPicModal');
          const options = {
            size: [500, 282],
            ok: okBtnDom,
            maxZoom: 3,
            style: {
              jpgFillColor: 'transparent',
            },
            done: function (dataUrl) {
              clearTimeout(self.timer);
              self.timer = setTimeout(() => {
                if (self.state.rotate != this.rotate() || self.state.scale != this.scale()) {
                  const _dataUrl = this.clip();
                  const cutImageBlob = self.convertBase64UrlToBlob(_dataUrl);
                  self.setState({
                    cutImageBlob,
                    dataUrl: _dataUrl,
                    rotate: this.rotate(),
                    scale: this.scale(),
                  });
                }
              }, 500);

              const cutImageBlob = self.convertBase64UrlToBlob(dataUrl);
              self.setState({
                cutImageBlob,
                dataUrl,
              });
              setTimeout(() => {
                cutFlag = false;
              }, 2000);
            },
            fail: (failInfo) => {
              message.error('图片上传失败了，请重新上传');
            },
            loadComplete: function (img) {
              setTimeout(() => {
                const _dataUrl = this.clip();
                self.setState({
                  dataUrl: _dataUrl,
                  hasImgReady: true,
                });
              }, 100);
            },
          };
          const imgUrl = `${imageFile.ossUrl}?${new Date().getTime()}`;
          if (!this.state.photoclip) {
            const _photoclip = new PhotoClip('#headPicModal', options);
            _photoclip.load(imgUrl);
            this.setState({
              photoclip: _photoclip,
            });
          } else {
            this.state.photoclip.clear();
            this.state.photoclip.load(imgUrl);
          }
        }, 200);
      }
    );
  };

  //获取resourceId
  getSignature = (blob, fileName) => {
    Upload.uploadBlobToOSS(blob, 'cover' + new Date().valueOf(), null, 'signInfo').then((signInfo) => {
      this.setState(
        {
          coverClicpPath: signInfo.fileUrl,
          coverId: signInfo.resourceId,
          visible: false,
        },
        () => this.updateCover()
      );
    });
  };

  updateCover = () => {
    const { coverClicpPath, coverId } = this.state;
    this.setState({
      showSelectCoverModal: false,
      coverUrl: coverClicpPath,
      coverId: coverId,
    });
  };

  // base64转换成blob
  convertBase64UrlToBlob = (urlData) => {
    const bytes = window.atob(urlData.split(',')[1]);
    const ab = new ArrayBuffer(bytes.length);
    const ia = new Uint8Array(ab);
    for (let i = 0; i < bytes.length; i++) {
      ia[i] = bytes.charCodeAt(i);
    }
    return new Blob([ab], { type: 'image/png' });
  };

  // 保存
  handleSubmit = () => {
    const { id, coverId, pageType, courseName, courseMedia, introduce, categoryId, shelfState, whetherVisitorsJoin } = this.state;

    const commonParams = {
      categoryId,
      courseName,
      coverId,
      operatorId: User.getStoreUserId(),
      storeId: User.getStoreId(),
      shelfState,
      whetherVisitorsJoin,
      courseType: 'PICTURE',
    };
    // 校验必填字段:课程名称, 课程图文
    this.handleValidate(courseName, courseMedia, categoryId).then((res) => {
      if (!res) return;
      Upload.uploadTextToOSS(
        courseMedia,
        `${randomString()}.txt`,
        (courseMediaId) => {
          Upload.uploadTextToOSS(
            introduce,
            `${randomString()}.txt`,
            (introduceId) => {
              this.submitRemote({
                id,
                pageType,
                commonParams,
                courseMediaId,
                introduceId,
              });
            },
            () => message.warning('上传课程简介失败')
          );
        },
        () => message.warning('上传课程内容失败')
      );
    });
  };

  submitRemote = (data) => {
    const { id, pageType, commonParams, courseMediaId, introduceId } = data;
    commonParams.courseMediaId = courseMediaId;
    commonParams.introduceId = introduceId;
    if (pageType === 'add') {
      Service.Hades('public/hades/createMediaCourse', commonParams).then((res) => {
        if (!res) return;
        message.success('新建成功');
        window.RCHistory.push({
          pathname: `/graphics-course`,
        });
      });
    } else {
      const editParams = {
        courseId: id,
        ...commonParams,
      };
      Service.Hades('public/hades/editMediaCourse', editParams).then((res) => {
        if (!res) return;
        message.success('保存成功');
        window.RCHistory.push({
          pathname: `/graphics-course`,
        });
      });
    }
  };

  handleValidate = (courseName, courseMedia, categoryId) => {
    return new Promise((resolve) => {
      if (!courseName) {
        message.warning('请输入课程名称');
        resolve(false);
        return false;
      }
      if (!courseMedia) {
        message.warning('请输入课程内容');
        resolve(false);
        return false;
      }
      if (!categoryId) {
        message.warning('请选择课程分类');
        resolve(false);
        return false;
      }
      // const textMedia = scheduleMedia.filter((item) => item.mediaType === 'TEXT');
      // for (let i = 0, len = textMedia.length; i < len; i++) {
      //   if (textMedia[i].mediaContentLength && textMedia[i].mediaContentLength.length > 1000) {
      //     message.warning(`第${i+1}个文字简介的字数超过了1000个字`);
      //     resolve(false);
      //     return false
      //   }
      // }
      resolve(true);
    });
  };

  render() {
    const {
      id,
      pageType,
      courseName,
      coverUrl,
      studentList,
      courseMedia,
      introduce,
      showCutModal,
      imageFile,
      videoType,
      shelfState,
      categoryName,
      courseCatalogList,
      whetherVisitorsJoin,
      loadcourseMedia,
      loadintroduce,
      showSelectCoverModal,
      visible,
      hasImgReady,
      cutImageBlob,
    } = this.state;
    // 已选择的上课学员数量
    const hasSelectedStu = studentList.length;

    const courseWareIcon = FileVerifyMap[videoType] ? FileTypeIcon[FileVerifyMap[videoType].type] : FileTypeIcon[videoType];

    return (
      <div className='page add-graphics-course-page'>
        <Breadcrumbs navList={pageType === 'add' ? '新建图文课' : '编辑图文课'} goBack={this.handleGoBack} />

        <div className='box'>
          <div className='show-tips'>
            <ShowTips message='请遵守国家相关规定，切勿上传低俗色情、暴力恐怖、谣言诈骗、侵权盗版等相关内容，小麦企学院保有依据国家规定及平台规则进行处理的权利' />
          </div>

          <div className='form'>
            <div className='course-name required'>
              <span className='label'>课程名称：</span>
              <Input
                value={courseName}
                placeholder='请输入图文课的名称（40字以内）'
                maxLength={40}
                style={{ width: 240 }}
                onChange={(e) => {
                  this.handleChangeForm('courseName', e.target.value);
                }}
              />
            </div>

            <div className='cover-url flex mt16'>
              <div className='label'>封面图：</div>
              <div className='cover-url__wrap'>
                <div className='img-content'>
                  <img src={coverUrl} />
                </div>
                <div className='opt-btns'>
                  <Button
                    onClick={() => {
                      this.setState({
                        showSelectCoverModal: true,
                      });
                    }}>{`${pageType === 'add' && !coverUrl ? '上传' : '修改'}封面`}</Button>
                  <div className='tips'>建议尺寸1280*720px或16:9。封面图最大5M，支持jpg、jpeg和png。</div>
                </div>
              </div>
            </div>
            <div className='course-catalog required'>
              <span className='label'>课程分类：</span>
              <Cascader
                value={categoryName ? [categoryName] : undefined}
                options={courseCatalogList}
                displayRender={(label) => label.join('-')}
                fieldNames={fieldNames}
                onChange={this.catalogChange}
                style={{ width: 240 }}
                placeholder='请选择课程分类'
                suffixIcon={
                  <span className='icon iconfont' style={{ fontSize: '12px', color: '#BFBFBF' }}>
                    &#xe835;
                  </span>
                }
              />
            </div>
            <div className='intro-info mt16'>
              <AddGraphicsIntro
                data={{
                  id,
                  courseMedia,
                  introduce,
                  shelfState,
                  whetherVisitorsJoin,
                  loadcourseMedia,
                  loadintroduce,
                }}
                onChange={this.handleChangeForm}
              />
            </div>
          </div>
        </div>

        <div className='footer shrink-footer'>
          <Button onClick={this.handleGoBack}>取消</Button>
          <Button onClick={this.handleShowPreviewModal}>预览</Button>
          <Button type='primary' onClick={_.debounce(() => this.handleSubmit(), 3000, true)}>
            保存
          </Button>
        </div>

        {showSelectCoverModal && (
          <SelectPrepareFileModal
            key='basic'
            operateType='select'
            multiple={false}
            accept='image/jpeg,image/png,image/jpg'
            selectTypeList={['JPG', 'JPEG', 'PNG']}
            tooltip='支持文件类型：jpg、jpeg、png'
            isOpen={showSelectCoverModal}
            onClose={() => {
              this.setState({ showSelectCoverModal: false });
            }}
            onSelect={this.handleSelectCover}
          />
        )}
        <Modal
          title='设置图片'
          width={1080}
          visible={visible}
          maskClosable={false}
          closeIcon={<span className='icon iconfont modal-close-icon'>&#xe6ef;</span>}
          onCancel={() => {
            this.setState({ visible: false });
          }}
          zIndex={10001}
          footer={[
            <Button
              key='back'
              onClick={() => {
                this.setState({ visible: false });
              }}>
              重新上传
            </Button>,
            <Button
              key='submit'
              type='primary'
              disabled={!hasImgReady}
              onClick={() => {
                if (!cutFlag) {
                  cutFlag = true;
                  this.refs.hiddenBtn.click();
                }
                this.getSignature(cutImageBlob);
              }}>
              确定
            </Button>,
          ]}>
          <div className='clip-box'>
            <div
              id='headPicModal'
              ref='headPicModal'
              style={{
                width: '500px',
                height: '430px',
                marginBottom: 0,
              }}></div>
            <div id='clipBtn' style={{ display: 'none' }} ref='hiddenBtn'></div>
            <div className='preview-img'>
              <div className='title'>效果预览</div>
              <div id='preview-url-box' style={{ width: 500, height: 282 }}>
                <img src={this.state.dataUrl} style={{ width: '100%' }} alt='' />
              </div>
              <div className='tip-box'>
                <div className='tip'>温馨提示</div>
                <div className='tip'>①预览效果图时可能存在延迟，单击左侧图片刷新即可</div>
                <div className='tip'>②设置图片时双击可旋转图片，滚动可放大或缩小图片</div>
              </div>
            </div>
          </div>
        </Modal>
        {this.state.previewGraphicsModal}
      </div>
    );
  }
}

export default AddGraphicsCourse;
