import React from 'react';
import { Layout } from 'antd';
import DocumentTitle from 'react-document-title';
import isEqual from 'lodash/isEqual';
import memoizeOne from 'memoize-one';
import { connect } from 'dva';
import { ContainerQuery } from 'react-container-query';
import classNames from 'classnames';
import pathToRegexp from 'path-to-regexp';
import { enquireScreen, unenquireScreen } from 'enquire-js';
import { formatMessage } from 'umi/locale';
import SiderMenu from '@/components/SiderMenu';
import Authorized from '@/utils/Authorized';
import SettingDrawer from '@/components/SettingDrawer';
import logo from '../assets/logo.svg';
import Footer from './Footer';
import Header from './Header';
import Context from './MenuContext';
// TODO: should use this.props.routes
import routerConfig from '../../config/router.config';

const { Content } = Layout;
const { check } = Authorized;

// Conversion router to menu.
function formatter(data, parentPath = '', parentAuthority, parentName) {
  return data.map(item => {
    let locale = 'menu';
    if (parentName && item.name) {
      locale = `${parentName}.${item.name}`;
    } else if (item.name) {
      locale = `menu.${item.name}`;
    } else if (parentName) {
      locale = parentName;
    }
    const result = {
      ...item,
      locale,
      authority: item.authority || parentAuthority,
    };
    if (item.routes) {
      const children = formatter(item.routes, `${parentPath}${item.path}/`, item.authority, locale);
      // Reduce memory usage
      result.children = children;
    }
    delete result.routes;
    return result;
  });
}

// get menu map data
const menuData = formatter(routerConfig[1].routes);

/**
 * 获取面包屑映射
 * @param {Object} menuData 菜单配置
 */
const getBreadcrumbNameMap = memoizeOne(menu => {
  const routerMap = {};
  const mergeMenuAndRouter = data => {
    data.forEach(menuItem => {
      if (menuItem.children) {
        mergeMenuAndRouter(menuItem.children);
      }
      // Reduce memory usage
      routerMap[menuItem.path] = menuItem;
    });
  };
  mergeMenuAndRouter(menu);
  return routerMap;
}, isEqual);

const query = {
  'screen-xs': {
    maxWidth: 575,
  },
  'screen-sm': {
    minWidth: 576,
    maxWidth: 767,
  },
  'screen-md': {
    minWidth: 768,
    maxWidth: 991,
  },
  'screen-lg': {
    minWidth: 992,
    maxWidth: 1199,
  },
  'screen-xl': {
    minWidth: 1200,
    maxWidth: 1599,
  },
  'screen-xxl': {
    minWidth: 1600,
  },
};

class BasicLayout extends React.PureComponent {
  constructor(props) {
    super(props);
    this.getPageTitle = memoizeOne(this.getPageTitle);
    // Because there are many places to be. So put it here
    this.breadcrumbNameMap = getBreadcrumbNameMap(menuData);
  }

  state = {
    rendering: true,
    isMobile: false,
  };

  componentDidMount() {
    const { dispatch } = this.props;
    dispatch({
      type: 'user/fetchCurrent',
    });
    dispatch({
      type: 'setting/getSetting',
    });
    this.renderRef = requestAnimationFrame(() => {
      this.setState({
        rendering: false,
      });
    });
    this.enquireHandler = enquireScreen(mobile => {
      const { isMobile } = this.state;
      if (isMobile !== mobile) {
        this.setState({
          isMobile: mobile,
        });
      }
    });
  }

  componentDidUpdate() {
    this.breadcrumbNameMap = getBreadcrumbNameMap(menuData);
  }

  componentWillUnmount() {
    cancelAnimationFrame(this.renderRef);
    unenquireScreen(this.enquireHandler);
  }

  getContext() {
    const { location } = this.props;
    return {
      location,
      breadcrumbNameMap: this.breadcrumbNameMap,
    };
  }

  getPageTitle = pathname => {
    let currRouterData = null;
    // match params path
    Object.keys(this.breadcrumbNameMap).forEach(key => {
      if (pathToRegexp(key).test(pathname)) {
        currRouterData = this.breadcrumbNameMap[key];
      }
    });
    if (!currRouterData) {
      return 'Ant Design Pro';
    }
    const message = formatMessage({
      id: currRouterData.locale || currRouterData.name,
      defaultMessage: currRouterData.name,
    });
    return `${message} - Ant Design Pro`;
  };

  getLayoutStyle = () => {
    const { fixSiderbar, collapsed, layout } = this.props;
    if (fixSiderbar && layout !== 'topmenu') {
      return {
        paddingLeft: collapsed ? '80px' : '256px',
      };
    }
    return null;
  };

  getContentStyle = () => {
    const { fixedHeader } = this.props;
    return {
      margin: '24px 24px 0',
      paddingTop: fixedHeader ? 64 : 0,
    };
  };

  getBashRedirect = () => {
    // According to the url parameter to redirect
    // 这里是重定向的,重定向到 url 的 redirect 参数所示地址
    const urlParams = new URL(window.location.href);

    const redirect = urlParams.searchParams.get('redirect');
    // Remove the parameters in the url
    if (redirect) {
      urlParams.searchParams.delete('redirect');
      window.history.replaceState(null, 'redirect', urlParams.href);
    } else {
      const { routerData } = this.props;
      // get the first authorized route path in routerData
      const authorizedPath = Object.keys(routerData).find(
        item => check(routerData[item].authority, item) && item !== '/'
      );
      return authorizedPath;
    }
    return redirect;
  };

  handleMenuCollapse = collapsed => {
    const { dispatch } = this.props;
    dispatch({
      type: 'global/changeLayoutCollapsed',
      payload: collapsed,
    });
  };

  render() {
    const {
      silderTheme,
      layout: PropsLayout,
      children,
      location: { pathname },
    } = this.props;
    const { rendering, isMobile } = this.state;
    const isTop = PropsLayout === 'topmenu';
    const layout = (
      <Layout>
        {isTop && !isMobile ? null : (
          <SiderMenu
            logo={logo}
            Authorized={Authorized}
            theme={silderTheme}
            onCollapse={this.handleMenuCollapse}
            menuData={menuData}
            {...this.props}
          />
        )}
        <Layout
          style={{
            ...this.getLayoutStyle(),
            minHeight: '100vh',
          }}
        >
          <Header handleMenuCollapse={this.handleMenuCollapse} logo={logo} {...this.props} />
          <Content style={this.getContentStyle()}>{children}</Content>
          <Footer />
        </Layout>
      </Layout>
    );
    return (
      <React.Fragment>
        <DocumentTitle title={this.getPageTitle(pathname)}>
          <ContainerQuery query={query}>
            {params => (
              <Context.Provider value={this.getContext()}>
                <div className={classNames(params)}>{layout}</div>
              </Context.Provider>
            )}
          </ContainerQuery>
        </DocumentTitle>
        {rendering && process.env.NODE_ENV === 'production' ? null : ( // Do show SettingDrawer in production
          <SettingDrawer />
        )}
      </React.Fragment>
    );
  }
}

export default connect(({ global, setting }) => ({
  collapsed: global.collapsed,
  layout: setting.layout,
  ...setting,
}))(BasicLayout);