import React from 'react';
import { Row, Button, Switch, Col, List, Icon } from 'antd';
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 DragList from '@src/components/DragList';
import { getMap, formatDate, bindSearch, formatTreeData, flattenTree } from '@src/services/Tools';
import { asyncSMessage, asyncForm } from '@src/services/AsyncTools';
import { FaqChannel, SystemSelect } from '../../../../Constant';
import { System } from '../../../stores/system';
import { Course } from '../../../stores/course';

const SystemSelectMap = getMap(SystemSelect, 'value', 'label');

const FaqChannelTree = formatTreeData(FaqChannel, 'value', 'label', 'parent');
const FaqChannelFlatten = flattenTree(FaqChannelTree, (row, item) => {
  row = Object.assign({}, row);
  row.value = `${item.value}-${row.value}`;
  row.label = `${item.label}-${row.label}`;
  return row;
}, 'children');
const FaqChannelMap = getMap(FaqChannelFlatten, 'value', 'label');
export default class extends Page {
  init() {
    this.actionList = [{
      key: 'add',
      type: 'primary',
      name: '创建',
    }, {
      key: 'switch',
      name: '切换模式',
      render: () => {
        const { channel, position } = this.state.search;
        let d = false;
        if (channel === 'course-video' || channel === 'course-vs' || channel === 'course-package' || channel === 'course_data') {
          d = !position;
        } else {
          d = !channel;
        }
        return <Switch disabled={d} checked={this.state.mode === 'order'} checkedChildren='排序模式' unCheckedChildren='列表模式' onChange={(value) => {
          this.changeModel(value);
        }} />;
      },
    }];
    this.formF = null;
    this.itemList = [{
      key: 'id',
      type: 'hidden',
    }, {
      key: 'channel',
      type: 'cascader',
      name: '频道',
      select: FaqChannelTree,
      placeholder: '请选择',
      onChange: (value) => {
        this.changeSearch(this.itemList, this.formF, value.join('-'), null, 2);
      },
    }, {
      key: 'position',
      type: 'select',
      name: '位置',
      select: [],
      placeholder: '请选择',
    }, {
      key: 'content',
      type: 'textarea',
      name: '用户留言',
    }, {
      key: 'answer',
      type: 'textarea',
      name: '编辑回复',
    }];
    this.filterF = null;
    this.filterForm = [{
      key: 'channel',
      type: 'cascader',
      allowClear: true,
      name: '频道',
      select: formatTreeData(FaqChannel, 'value', 'label', 'parent'),
      placeholder: '请选择',
      onChange: (value) => {
        this.changeSearch(this.filterForm, this, value.join('-'), null);
      },
    }, {
      key: 'position',
      type: 'select',
      allowClear: true,
      name: '位置',
      number: true,
      select: [],
      placeholder: '请选择',
    }, {
      key: 'isSystem',
      type: 'select',
      allowClear: true,
      number: true,
      name: '来源',
      select: SystemSelect,
    }];
    this.columns = [{
      title: '频道',
      dataIndex: 'channel',
      render: (text, record) => {
        return FaqChannelMap[record.channel];
      },
    }, {
      title: '位置',
      dataIndex: 'positionDetail.title',
    }, {
      title: '创建时间',
      sorter: true,
      dataIndex: 'createTime',
      render: (text) => {
        return formatDate(text, 'YYYY-MM-DD HH:mm:ss');
      },
    }, {
      title: '来源',
      dataIndex: 'isSystem',
      render: (text) => {
        return SystemSelectMap[text];
      },
    }, {
      title: '操作',
      dataIndex: 'handler',
      render: (text, record) => {
        return <div className="table-button">
          {(
            <a onClick={() => {
              this.editAction(record);
            }}>编辑</a>
          )}
        </div>;
      },
    }];

    this.changeSearch(this.filterForm, this, this.state.search.channel, this.state.search.position);
  }

  changeSearch(list, component, key, value, index = 1) {
    if (key === 'course-video' || key === 'course-vs' || key === 'course-package' || key === 'course_data') {
      bindSearch(list, 'position', component, (search) => {
        if (key === 'course-video') {
          return Course.list(Object.assign({ courseModule: 'video' }, search));
        } if (key === 'course-vs') {
          return Course.list(Object.assign({ courseModule: 'vs' }, search));
        } if (key === 'course-package') {
          return Course.listPackage(search);
        }
        return Course.listData(search);
      }, (row) => {
        return {
          title: row.title,
          value: row.id,
        };
      }, value ? Number(value) : null, null);
      list[index].disabled = false;
    } else {
      list[index].disabled = true;
    }
    component.setState({ load: false });
  }

  initData() {
    if (!this.state.search.order) {
      this.state.search.order = 'sort';
      this.state.search.direction = 'desc';
    }
    System.listFAQ(Object.assign({ isSpecial: true }, this.state.search)).then(result => {
      this.setTableData(result.list, result.total);
    });
  }

  changeModel(value) {
    const { search, page } = this.state;
    if (value) {
      search.order = 'sort';
      search.direction = 'desc';
      search.size = page.total;
      search.isSystem = null;
      this.setState({ mode: 'order', search });
    } else {
      search.size = 20;
      search.order = null;
      search.direction = null;
      this.setState({ mode: null, search });
    }
    this.initData();
  }

  addAction() {
    asyncForm('创建', this.itemList, {}, data => {
      data.isShow = 1;
      data.isSystem = 1;
      data.isSpecial = 1;
      data.channel = data.channel.join('-');
      return System.addFAQ(data).then(() => {
        asyncSMessage('添加成功!');
        this.refresh();
      });
    }).then(component => {
      this.formF = component;
      this.changeSearch(this.itemList, this.formF, null, null, 2);
    });
  }

  editAction(row) {
    const info = Object.assign({}, row);
    info.channel = info.channel.split('-');
    asyncForm('编辑', this.itemList, info, data => {
      data.isShow = 1;
      data.isSystem = 1;
      data.isSpecial = 1;
      data.channel = data.channel.join('-');
      return System.editFAQ(data).then(() => {
        asyncSMessage('编辑成功!');
        this.refresh();
      });
    }).then(component => {
      this.formF = component;
      this.changeSearch(this.itemList, this.formF, row.channel, row.position, 2);
    });
  }

  show(row, isShow) {
    System.editFAQ({ id: row.id, isShow }).then(() => {
      asyncSMessage('编辑成功!');
      this.refresh();
    });
  }

  order(oldIndex, newIndex) {
    const { list } = this.state;
    const tmp = list.splice(oldIndex, 1);
    if (newIndex === list.length) {
      list.push(tmp[0]);
    } else {
      list.splice(newIndex, 0, tmp[0]);
    }
    this.setState({ list });
  }

  submit() {
    const { list } = this.state;
    System.orderFAQ({ ids: list.map(row => row.id) }).then(() => {
      asyncSMessage('操作成功!');
      this.refresh();
    });
  }

  renderView() {
    const { search } = this.state;
    return <Block flex>
      <FilterLayout
        show
        ref={(ref) => { this.filterF = ref; }}
        itemList={this.filterForm}
        data={Object.assign({}, search, { channel: search.channel ? search.channel.split('-') : '' })}
        onChange={data => {
          data.channel = data.channel ? data.channel.join('-') : data.channel;
          data.page = 1;
          this.search(data);
        }} />
      <ActionLayout
        itemList={this.actionList}
        selectedKeys={this.state.selectedKeys}
        onAction={key => this.onAction(key)}
      />
      {!this.state.mode && <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}
      />}
      {this.state.mode === 'order' && <DragList
        loading={this.props.core.loading}
        dataSource={this.state.list || []}
        handle={'.icon'}
        rowKey={'id'}
        onMove={(oldIndex, newIndex) => {
          this.order(oldIndex, newIndex);
        }}
        renderItem={(item) => (
          <List.Item actions={[<Icon type='bars' className='icon' />]}>
            <Row style={{ width: '100%' }}>
              <Col span={8}>Q: {item.content}</Col>
              <Col span={15} offset={1}>A: {item.answer}</Col>
            </Row>
          </List.Item>
        )}
      />}
      {this.state.mode === 'order' && <Row type="flex" justify="center">
        <Col>
          <Button type="primary" onClick={() => {
            this.submit();
          }}>保存</Button>
        </Col>
      </Row>}
    </Block>;
  }
}