import React, { Component } from 'react';
import pathToRegexp from 'path-to-regexp';
import { connect } from 'dva';
import { routerRedux } from 'dva/router';
import { Card, Table, Modal, Popconfirm, Radio, Switch, Button, Input } from 'antd';
import Selector from '../../../components/AXTableSelector/Selector';
import FooterToolbar from '../../../components/FooterToolbar';
import {
  boolToStatus, genAbsolutePicUrl, renderProductType, renderStatus, statusToBool,
} from '../../../utils/utils';
import bitmap from '../../../assets/bitmap.png';
import styles from './RecommendPoster.less';

@connect(({ loading, merchant, shelves, resource }) => ({
  shelves,
  merchant,
  resource,
  rLoading: loading.models.resource,
  sLoading: loading.models.shelves,
  mLoading: loading.models.merchant,
}))
export default class RecommendPosterEditPage extends Component {
  state = {
    productSelectorDestroy: true,
    resourceSelectorDestroy: true,
    productType: 'Course',
    currentEditPosterId: '',
  };
  componentDidMount() {
    this.props.dispatch({
      type: 'merchant/fetchMerchantPoster',
      payload: { merchantId: this.getMerchantId() },
    });
  }
  /**
   * 1.从URL中提取merchantId
   * @returns {String}
   */
  getMerchantId = () => {
    const match = pathToRegexp('/frontend/recommend/poster-edit/:id')
      .exec(this.props.location.pathname);
    return match[1];
  };
  /**
   * 2.响应产品类型变化
   * @param e
   */
  handleRadioChange = (e) => {
    this.setState({ productType: e.target.value });
    this.props.dispatch({
      type: `shelves/fetch${e.target.value}ItemList`,
      payload: { merchantId: this.getMerchantId() },
    });
  };
  /**
   * 3.新建一条海报
   */
  handlePosterItemCreate = () => {
    const newData = [...this.props.merchant.posterList];
    newData.push({
      id: `new-poster-${newData.length + 1}`,
      isNew: true,
      isEdit: true,
    });
    this.props.dispatch({
      type: 'merchant/fixPosterList',
      payload: newData,
    });
  };
  /**
   * 4.删除一条海报
   * @param posterId
   * @param isNew
   */
  handlePosterItemDelete = (posterId, isNew) => {
    if (isNew) {
      const originalData = [...this.props.merchant.posterList];
      const newData = originalData.filter(data => data.id !== posterId);
      this.props.dispatch({
        type: 'merchant/fixPosterList',
        payload: newData,
      });
      return;
    }
    this.props.dispatch({
      type: 'merchant/deleteMerchantPosterItem',
      payload: { posterId },
    });
  };
  /**
   * 5.编辑一条海报
   * @param posterId
   */
  handlePosterItemEdit = (posterId) => {
    const newData = [...this.props.merchant.posterList];
    for (const index in newData) {
      if (newData[index].id === posterId) {
        newData[index].isEdit = true;
      }
    }
    this.props.dispatch({
      type: 'merchant/fixPosterList',
      payload: newData,
    });
  };
  /**
   * 6.控制模态框的展现
   * @param {String} flag
   * @param {String} posterId
   */
  handleSelectorModalShow = (flag, posterId) => {
    this.setState({
      [`${flag}SelectorDestroy`]: false,
      currentEditPosterId: posterId,
    });
    if (flag !== 'resource') {
      const { productType } = this.state;
      this.props.dispatch({
        type: `shelves/fetch${productType}ItemList`,
        payload: { merchantId: this.getMerchantId() },
      });
      return;
    }
    this.props.dispatch({
      type: 'resource/fetchImageList',
      payload: {},
    });
  };
  /**
   * 7.控制模态框的销毁
   */
  handleSelectorCancel = (flag) => {
    this.setState({ [`${flag}SelectorDestroy`]: true });
  };
  /**
   * 8.响应模态框内查询操作
   * @param {String} flag
   * @param {Object} params
   */
  handleSelectorChange = (flag, params) => {
    if (flag !== 'resource') {
      const { productType } = this.state;
      this.props.dispatch({
        type: `shelves/fetch${productType}ItemList`,
        payload: { ...params, merchantId: this.getMerchantId() },
      });
      return;
    }
    this.props.dispatch({
      type: 'resource/fetchImageList',
      payload: params,
    });
  };
  /**
   * 9.响应选择完成操作
   * @param {String} flag
   * @param {Array} rows
   */
  handleSelectorFinish = (flag, rows) => {
    this.setState({ [`${flag}SelectorDestroy`]: true });
    const { currentEditPosterId } = this.state;
    const originalData = [...this.props.merchant.posterList];
    const newData = originalData.map((data) => {
      if (flag === 'product' && data.id === currentEditPosterId) {
        const { pid, name, code, type } = rows[0];
        return { ...data, type, name, code, pid };
      }
      if (flag === 'resource' && data.id === currentEditPosterId) {
        const { path } = rows[0];
        return { ...data, img: path };
      }
      return { ...data };
    });
    this.props.dispatch({
      type: 'merchant/fixPosterList',
      payload: newData,
    });
  };
  /**
   * 10.修改排序值
   * @param e
   * @param posterId
   */
  handleSortInputChange = (e, posterId) => {
    const originalData = [...this.props.merchant.posterList];
    const newData = originalData.map((data) => {
      if (data.id === posterId) {
        return { ...data, sort: parseInt(e.target.value, 10) || 0 };
      }
      return { ...data };
    });
    this.props.dispatch({
      type: 'merchant/fixPosterList',
      payload: newData,
    });
  };
  /**
   * 11.修改状态
   * @param checked
   * @param posterId
   */
  handleStatusSwitchChange = (checked, posterId) => {
    const originalData = [...this.props.merchant.posterList];
    const newData = originalData.map((data) => {
      if (data.id === posterId) {
        return { ...data, status: boolToStatus(checked) };
      }
      return { ...data };
    });
    this.props.dispatch({
      type: 'merchant/fixPosterList',
      payload: newData,
    });
  };
  /**
   * 12.提交海报内容
   * @param posterId
   */
  handleSaveOperation = (posterId) => {
    const originalData = [...this.props.merchant.posterList];
    const targetData = originalData.filter(data => data.id === posterId)[0];
    const { id, pid, img, sort, type, status, isNew } = targetData;
    if (isNew) {
      this.props.dispatch({
        type: 'merchant/createMerchantPosterItem',
        payload: {
          img, pid, type, sort, status: boolToStatus(status), merchantId: this.getMerchantId(),
        },
        posterId: id,
      });
      return;
    }
    this.props.dispatch({
      type: 'merchant/updateMerchantPosterItem',
      payload: {
        id, img, pid, type, sort, status: boolToStatus(status), merchantId: this.getMerchantId(),
      },
      posterId: id,
    });
  };
  /**
   * 13.返回上一页
   */
  handlePageBack = () => {
    this.props.dispatch(routerRedux.push({
      pathname: '/frontend/recommend',
      state: this.props.location.state,
    }));
  };
  render() {
    const { productType, productSelectorDestroy, resourceSelectorDestroy } = this.state;
    const { merchant, shelves, resource, rLoading, sLoading, mLoading } = this.props;
    const { posterList } = merchant;
    /* 海报列表格式设定 */
    const posterColumns = [{
      title: '位置',
      key: 1,
      dataIndex: 'sort',
      width: '15%',
      render: (text, record) => {
        // 编辑状态下排序可自由填写
        const { id, isEdit } = record;
        if (isEdit) {
          return (
            <Input
              value={text}
              onChange={e => this.handleSortInputChange(e, id)}
              placeholder="请填写"
              style={{ width: 100 }}
            />
          );
        }
        return text;
      },
      align: 'center',
    }, {
      title: '海报封面',
      key: 2,
      dataIndex: 'img',
      width: '27%',
      render: (text, record) => {
        // 将海报封面渲染为一张图片,编辑状态下可更换
        const { id, isNew, isEdit } = record;
        return (
          <div className={styles.cover}>
            {isEdit && (
              <div className={styles.mongolian}>
                <a onClick={() => this.handleSelectorModalShow('resource', id)}>{isNew ? '选择' : '更换'}</a>
              </div>
            )}
            {(isNew && !text) ? <img src={bitmap} alt="" /> : <img src={genAbsolutePicUrl(text)} alt="海报封面" />}
          </div>
        );
      },
      align: 'center',
    }, {
      title: '关联产品信息',
      key: 3,
      render: (_, record) => {
        // 将产品信息渲染成一个小表格
        const { id, code, name, type, product, isEdit, isNew } = record;
        const columns = [{
          dataIndex: 'label',
          width: '40%',
        }, {
          dataIndex: 'value',
          width: '60%',
        }];
        const data = [{
          key: 'name',
          label: '产品名称',
          value: name || (product || {}).name,
        }, {
          key: 'code',
          label: '产品编号',
          value: code || (product || {}).code,
        }, {
          key: 'type',
          label: '产品类型',
          value: renderProductType(type || (product || {}).type),
        }];
        return (
          <div className={styles.product}>
            {isEdit && (
              <div className={styles.mongolian}>
                <a onClick={() => this.handleSelectorModalShow('product', id)}>{isNew ? '选择' : '更换'}</a>
              </div>
            )}
            <Table
              bordered
              size="small"
              showHeader={false}
              pagination={false}
              columns={columns}
              dataSource={data}
            />
          </div>
        );
      },
      width: '30%',
      align: 'center',
    }, {
      title: '删除状态',
      key: 4,
      dataIndex: 'status',
      width: '13%',
      render: (text, record) => {
        const { id, isEdit } = record;
        if (isEdit) {
          return (
            <Switch
              checked={statusToBool(text)}
              checkedChildren="正常"
              unCheckedChildren="删除"
              onChange={checked => this.handleStatusSwitchChange(checked, id)}
            />
          );
        }
        return renderStatus(text);
      },
      align: 'center',
    }, {
      title: '相关操作',
      key: 5,
      width: '15%',
      render: (_, record) => {
        const { id, isNew, isEdit } = record;
        const getPopconfirmBtn = () => {
          return (
            <Popconfirm
              placement="top"
              title="确定要删除该海报？"
              okText="确定"
              cancelText="取消"
              onConfirm={() => this.handlePosterItemDelete(id, isNew)}
            >
              <Button
                size="small"
                className="delBtn"
              >删除
              </Button>
            </Popconfirm>
          );
        };
        if (isEdit) {
          return (
            <div>
              <Button
                size="small"
                className="editBtn"
                onClick={() => this.handleSaveOperation(id)}
              >保存
              </Button>
              {getPopconfirmBtn()}
            </div>
          );
        }
        return (
          <div>
            <Button
              size="small"
              className="editBtn"
              onClick={() => this.handlePosterItemEdit(id)}
            >编辑
            </Button>
            {getPopconfirmBtn()}
          </div>
        );
      },
      align: 'right',
    }];
    /* 产品模态框选择器 */
    const renderModalTitle = () => {
      return (
        <Radio.Group
          value={productType}
          onChange={this.handleRadioChange}
        >
          <Radio.Button value="Course">课程</Radio.Button>
          <Radio.Button value="Support">配套</Radio.Button>
          <Radio.Button value="Training">师训</Radio.Button>
          <Radio.Button value="Package">套餐包</Radio.Button>
        </Radio.Group>
      );
    };
    const getProductModal = () => {
      return (
        <Modal
          visible
          width={1100}
          footer={null}
          title={renderModalTitle()}
          maskClosable={false}
          onCancel={() => this.handleSelectorCancel('product')}
        >
          <Selector
            multiple={false}
            loading={sLoading}
            selectorName={productType}
            fixedName="Product"
            list={shelves.list}
            pageNo={shelves.pageNo}
            pageSize={shelves.pageSize}
            totalSize={shelves.totalSize}
            onCancel={() => this.handleSelectorCancel('product')}
            onChange={data => this.handleSelectorChange('product', data)}
            onFinish={data => this.handleSelectorFinish('product', data)}
          />
        </Modal>
      );
    };
    /* 封面模态框选择器 */
    const getResourceModal = () => {
      return (
        <Modal
          width={1100}
          footer={null}
          visible
          title="图片资源"
          maskClosable={false}
          onCancel={() => this.handleSelectorCancel('resource')}
        >
          <Selector
            multiple={false}
            loading={rLoading}
            selectorName="PictureSingle"
            list={resource.list}
            pageNo={resource.pageNo}
            pageSize={resource.pageSize}
            totalSize={resource.totalSize}
            onCancel={() => this.handleSelectorCancel('resource')}
            onChange={data => this.handleSelectorChange('resource', data)}
            onFinish={rows => this.handleSelectorFinish('resource', rows)}
          />
        </Modal>
      );
    };
    return (
      <div>
        <Card style={{ marginBottom: 70 }}>
          <Table
            pagination={false}
            loading={mLoading}
            dataSource={posterList}
            columns={posterColumns}
            rowKey={record => record.id}
            className={styles.posterTable}
          />
          <Button
            type="dashed"
            icon="plus"
            style={{ width: '100%', marginTop: 16, marginBottom: 8 }}
            onClick={this.handlePosterItemCreate}
          >新建
          </Button>
          {!resourceSelectorDestroy && getResourceModal()}
          {!productSelectorDestroy && getProductModal()}
        </Card>
        <FooterToolbar style={{ width: '100%' }}>
          <Button type="primary" onClick={this.handlePageBack}>返回上一页</Button>
        </FooterToolbar>
      </div>
    );
  }
}