import React from "react";
import styles from "./index.less";
import { Menu } from "antd";
import {
  AppstoreOutlined,
  MailOutlined,
  SettingOutlined
} from "@ant-design/icons";

const { SubMenu } = Menu;

class Sider extends React.Component {
  // submenu keys of first level
  rootSubmenuKeys = ["sub1", "sub2", "sub4"];

  state = {
    openKeys: ["sub1"]
  };

  onOpenChange = openKeys => {
    const latestOpenKey = openKeys.find(
      key => this.state.openKeys.indexOf(key) === -1
    );
    if (this.rootSubmenuKeys.indexOf(latestOpenKey) === -1) {
      this.setState({ openKeys });
    } else {
      this.setState({
        openKeys: latestOpenKey ? [latestOpenKey] : []
      });
    }
  };

  render() {
    return (
      <Menu
        mode="inline"
        openKeys={this.state.openKeys}
        onOpenChange={this.onOpenChange}
        style={{ width: 256 }}
      >
        <SubMenu
          key="sub1"
          title={
            <span>
              <MailOutlined />
              <span>Navigation One</span>
            </span>
          }
        >
          <Menu.Item key="1">Option 1</Menu.Item>
          <Menu.Item key="2">Option 2</Menu.Item>
          <Menu.Item key="3">Option 3</Menu.Item>
          <Menu.Item key="4">Option 4</Menu.Item>
        </SubMenu>
        <SubMenu
          key="sub2"
          title={
            <span>
              <AppstoreOutlined />
              <span>Navigation Two</span>
            </span>
          }
        >
          <Menu.Item key="5">Option 5</Menu.Item>
          <Menu.Item key="6">Option 6</Menu.Item>
          <SubMenu key="sub3" title="Submenu">
            <Menu.Item key="7">Option 7</Menu.Item>
            <Menu.Item key="8">Option 8</Menu.Item>
          </SubMenu>
        </SubMenu>
        <SubMenu
          key="sub4"
          title={
            <span>
              <SettingOutlined />
              <span>Navigation Three</span>
            </span>
          }
        >
          <Menu.Item key="9">Option 9</Menu.Item>
          <Menu.Item key="10">Option 10</Menu.Item>
          <Menu.Item key="11">Option 11</Menu.Item>
          <Menu.Item key="12">Option 12</Menu.Item>
        </SubMenu>
      </Menu>
    );
  }
}

export default () => (
  <div className={styles.container}>
    <div id="components-menu-demo-sider-current">
      <Sider />
    </div>
  </div>
);