/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


export function fixedZero(val) {
  return val * 1 < 10 ? `0${val}` : val;
}

export function avgTimeSeries(list) {
  const filteredList = list.filter(_ => _ > 0);
  return filteredList.length > 0 ?
    parseFloat((filteredList.reduce(
      (acc, curr) => acc + curr) / filteredList.length).toFixed(2)) : 0;
}

export function avgTS(list) {
  const filteredList = list.map(_ => _.value).filter(_ => _ > 0);
  return filteredList.length > 0 ?
    parseFloat((filteredList.reduce(
      (acc, curr) => acc + curr) / filteredList.length).toFixed(2)) : 0;
}

export function getPlainNode(nodeList, parentPath = '') {
  const arr = [];
  nodeList.forEach((node) => {
    const item = node;
    item.path = `${parentPath}/${item.path || ''}`.replace(/\/+/g, '/');
    item.exact = true;
    if (item.children && !item.component) {
      arr.push(...getPlainNode(item.children, item.path));
    } else {
      if (item.children && item.component) {
        item.exact = false;
      }
      arr.push(item);
    }
  });
  return arr;
}

function getRelation(str1, str2) {
  if (str1 === str2) {
    console.warn('Two path are equal!');  // eslint-disable-line
  }
  const arr1 = str1.split('/');
  const arr2 = str2.split('/');
  if (arr2.every((item, index) => item === arr1[index])) {
    return 1;
  } else if (arr1.every((item, index) => item === arr2[index])) {
    return 2;
  }
  return 3;
}

function getRenderArr(routes) {
  let renderArr = [];
  renderArr.push(routes[0]);
  for (let i = 1; i < routes.length; i += 1) {
    let isAdd = false;
    isAdd = renderArr.every(item => getRelation(item, routes[i]) === 3);
    renderArr = renderArr.filter(item => getRelation(item, routes[i]) !== 1);
    if (isAdd) {
      renderArr.push(routes[i]);
    }
  }
  return renderArr;
}

/**
 * Get router routing configuration
 * { path:{name,...param}}=>Array<{name,path ...param}>
 * @param {string} path
 * @param {routerData} routerData
 */
export function getRoutes(path, routerData) {
  let routes = Object.keys(routerData).filter(routePath =>
    routePath.indexOf(path) === 0 && routePath !== path);
  // Replace path to '' eg. path='user' /user/name => name
  routes = routes.map(item => item.replace(path, ''));
  // Get the route to be rendered to remove the deep rendering
  const renderArr = getRenderArr(routes);
  // Conversion and stitching parameters
  const renderRoutes = renderArr.map((item) => {
    const exact = !routes.some(route => route !== item && getRelation(route, item) === 1);
    return {
      ...routerData[`${path}${item}`],
      key: `${path}${item}`,
      path: `${path}${item}`,
      exact,
    };
  });
  return renderRoutes;
}


/* eslint no-useless-escape:0 */
const reg = /(((^https?:(?:\/\/)?)(?:[-;:&=\+\$,\w]+@)?[A-Za-z0-9.-]+|(?:www.|[-;:&=\+\$,\w]+@)[A-Za-z0-9.-]+)((?:\/[\+~%\/.\w-_]*)?\??(?:[-\+=&;%@.\w_]*)#?(?:[\w]*))?)$/g;

export function isUrl(path) {
  return reg.test(path);
}

export function getServiceInstanceId(serviceInstanceInfo) {
  return serviceInstanceInfo.name;
}

export function getAttributes(attributes, name) {
  if (!attributes || attributes.length < 1) {
    return '';
  }
  const a = attributes.filter(_ => _.name === name).map(_ => _.value);
  if (a && a.length > 0) {
    return a.join(',');
  }
  return '';
}

export function redirect(history, pathname, param) {
  if (history.location && history.location.pathname === pathname) {
    return;
  }
  history.push({ pathname, state: param });
}