import React from 'react';
import { Button } from 'antd';
import { Link } from 'react-router-dom';
import './index.less';
import Page from '@src/containers/Page';
import Block from '@src/components/Block';
import FilterLayout from '@src/layouts/FilterLayout';
import ActionLayout from '@src/layouts/ActionLayout';
import TableLayout from '@src/layouts/TableLayout';
import { getMap, formatTreeData, bindSearch } from '@src/services/Tools';
import { asyncSMessage, asyncDelConfirm } from '@src/services/AsyncTools';
import { CourseModule } from '../../../../Constant';
import { Exercise } from '../../../stores/exercise';
import { Course } from '../../../stores/course';
import { Preview } from '../../../stores/preview';

const CourseModuleMap = getMap(CourseModule, 'value', 'label');

export default class extends Page {
  init() {
    this.exerciseMap = {};
    this.actionList = [{
      key: 'addVideo',
      type: 'primary',
      name: '创建视频作业',
      render: (item) => {
        return <Link to='/subject/preview/detail?module=video'><Button type='primary'>{item.name}</Button></Link>;
      },
    }, {
      key: 'addOnline',
      type: 'primary',
      name: '创建小班作业',
      render: (item) => {
        return <Link to='/subject/preview/detail?module=online'><Button type='primary'>{item.name}</Button></Link>;
      },
    }, {
      key: 'addVs',
      type: 'primary',
      name: '创建1vs1作业',
      render: (item) => {
        return <Link to='/subject/preview/detail?module=vs'><Button type='primary'>{item.name}</Button></Link>;
      },
    }];

    this.filterForm = [{
      key: 'courseModule',
      type: 'select',
      allowClear: true,
      name: '课程类型',
      placeholder: '请选择',
      select: CourseModule,
    }, {
      key: 'structId',
      type: 'tree',
      allowClear: true,
      name: '单项',
      placeholder: '请选择',
      select: [],
    }, {
      key: 'courseId',
      type: 'select',
      name: '课程名称',
      select: [],
      number: true,
      placeholder: '请选择',
    }];
    this.columns = [{
      title: '课程类型',
      dataIndex: 'courseModule',
      render: (text) => {
        return CourseModuleMap[text] || text;
      },
    }, {
      title: '课程名称',
      dataIndex: 'course.title',
    }, {
      title: '单项',
      dataIndex: 'course.structId',
      render: (text) => {
        return this.exerciseMap[text] || '';
      },
    }, {
      title: '作业标题',
      dataIndex: 'title',
    }, {
      title: '操作',
      dataIndex: 'handler',
      render: (text, record) => {
        return <div className="table-button">
          {(
            <Link to={`/subject/preview/detail/${record.id}`}>编辑</Link>
          )}
        </div>;
      },
    }];
    Exercise.courseStruct().then((result) => {
      const list = result.map(row => { row.title = `${row.titleZh}`; row.value = row.id; return row; });
      this.filterForm[1].tree = formatTreeData(list, 'id', 'title', 'parentId');
      this.exerciseMap = getMap(result.map(row => {
        row.title = `${row.titleZh}`;
        row.value = row.id;
        return row;
      }), 'id', 'title');

      this.setState({ exercise: result });
    });
    bindSearch(this.filterForm, 'courseId', this, (search) => {
      return Course.list(search);
    }, (row) => {
      return {
        title: row.title,
        value: row.id,
      };
    }, this.state.search.courseId ? Number(this.state.search.courseId) : null, null);
  }

  initData() {
    Preview.list(this.state.search).then(result => {
      this.setTableData(result.list, result.total);
    });
  }

  deleteAction() {
    const { selectedKeys } = this.state;
    asyncDelConfirm('删除确认', '是否删除选中作业?', () => {
      return Promise.all(selectedKeys.map(row => Preview.del({ id: row }))).then(() => {
        asyncSMessage('删除成功!');
        this.refresh();
      });
    });
  }

  renderView() {
    const { exercise } = this.state;
    return <Block flex>
      {exercise && <FilterLayout
        show
        itemList={this.filterForm}
        data={this.state.search}
        onChange={data => {
          this.search(data);
        }} />}
      <ActionLayout
        itemList={this.actionList}
        selectedKeys={this.state.selectedKeys}
        onAction={key => this.onAction(key)}
      />
      <TableLayout
        columns={this.tableSort(this.columns)}
        list={this.state.list}
        pagination={this.state.page}
        loading={this.props.core.loading}
        onChange={(pagination, filters, sorter) => this.tableChange(pagination, filters, sorter)}
        onSelect={(keys, rows) => this.tableSelect(keys, rows)}
        selectedKeys={this.state.selectedKeys}
      />
    </Block>;
  }
}