content: /*
   * SonarQube
   * Copyright (C) 2009-2017 SonarSource SA
   * mailto:info AT sonarsource DOT com
   *
   * This program is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 3 of the License, or (at your option) any later version.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public License
   * along with this program; if not, write to the Free Software Foundation,
   * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
   */
  import React from 'react';
  import { Link } from 'react-router';
  import Truncated from './Truncated';
  import QualifierIcon from '../../../components/shared/qualifier-icon';
  
  function getTooltip(component) {
    const isFile = component.qualifier === 'FIL' || component.qualifier === 'UTS';
    if (isFile && component.path) {
      return component.path + '\n\n' + component.key;
    } else {
      return component.name + '\n\n' + component.key;
    }
  }
  
  function mostCommitPrefix(strings) {
    const sortedStrings = strings.slice(0).sort();
    const firstString = sortedStrings[0];
    const firstStringLength = firstString.length;
    const lastString = sortedStrings[sortedStrings.length - 1];
    let i = 0;
    while (i < firstStringLength && firstString.charAt(i) === lastString.charAt(i)) {
      i++;
    }
    const prefix = firstString.substr(0, i);
    const prefixTokens = prefix.split(/[\s\\\/]/);
    const lastPrefixPart = prefixTokens[prefixTokens.length - 1];
    return prefix.substr(0, prefix.length - lastPrefixPart.length);
  }
  
  const ComponentName = ({ component, rootComponent, previous, canBrowse }) => {
    const areBothDirs = component.qualifier === 'DIR' && previous && previous.qualifier === 'DIR';
    const prefix = areBothDirs ? mostCommitPrefix([component.name + '/', previous.name + '/']) : '';
    const name = prefix
      ? <span>
          <span style={{ color: '#777' }}>{prefix}</span>
          <span>{component.name.substr(prefix.length)}</span>
        </span>
      : component.name;
  
    let inner = null;
  
    if (component.refKey && component.qualifier !== 'SVW') {
      inner = (
        <Link
          to={{ pathname: '/dashboard', query: { id: component.refKey } }}
          className="link-with-icon">
          <QualifierIcon qualifier={component.qualifier} />
          {' '}
          <span>{name}</span>
        </Link>
      );
    } else if (canBrowse) {
      const query = { id: rootComponent.key };
      if (component.key !== rootComponent.key) {
        Object.assign(query, { selected: component.key });
      }
      inner = (
        <Link to={{ pathname: '/code', query }} className="link-with-icon">
          <QualifierIcon qualifier={component.qualifier} />
          {' '}
          <span>{name}</span>
        </Link>
      );
    } else {
      inner = (
        <span>
          <QualifierIcon qualifier={component.qualifier} />
          {' '}
          {name}
        </span>
      );
    }
  
    return (
      <Truncated title={getTooltip(component)}>
        {inner}
      </Truncated>
    );
  };
  
  export default ComponentName;
  