<?php

/*
 * Copyright 2012 Facebook, Inc.
 *
 * Licensed 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.
 */

final class PhabricatorObjectHandle {

  private $uri;
  private $phid;
  private $type;
  private $name;
  private $email;
  private $fullName;
  private $imageURI;
  private $timestamp;
  private $alternateID;
  private $status = PhabricatorObjectHandleStatus::STATUS_OPEN;
  private $complete;
  private $disabled;

  public function setURI($uri) {
    $this->uri = $uri;
    return $this;
  }

  public function getURI() {
    return $this->uri;
  }

  public function setPHID($phid) {
    $this->phid = $phid;
    return $this;
  }

  public function getPHID() {
    return $this->phid;
  }

  public function setName($name) {
    $this->name = $name;
    return $this;
  }

  public function getName() {
    return $this->name;
  }

  public function setStatus($status) {
    $this->status = $status;
    return $this;
  }

  public function getStatus() {
    return $this->status;
  }

  public function setFullName($full_name) {
    $this->fullName = $full_name;
    return $this;
  }

  public function getFullName() {
    if ($this->fullName !== null) {
      return $this->fullName;
    }
    return $this->getName();
  }

  public function setType($type) {
    $this->type = $type;
    return $this;
  }

  public function getType() {
    return $this->type;
  }

  public function setImageURI($uri) {
    $this->imageURI = $uri;
    return $this;
  }

  public function getImageURI() {
    return $this->imageURI;
  }

  public function setTimestamp($timestamp) {
    $this->timestamp = $timestamp;
    return $this;
  }

  public function getTimestamp() {
    return $this->timestamp;
  }

  public function setAlternateID($alternate_id) {
    $this->alternateID = $alternate_id;
    return $this;
  }

  public function getAlternateID() {
    return $this->alternateID;
  }

  public function getTypeName() {
    static $map = array(
      PhabricatorPHIDConstants::PHID_TYPE_USER => 'User',
      PhabricatorPHIDConstants::PHID_TYPE_TASK => 'Task',
      PhabricatorPHIDConstants::PHID_TYPE_DREV => 'Revision',
      PhabricatorPHIDConstants::PHID_TYPE_CMIT => 'Commit',
      PhabricatorPHIDConstants::PHID_TYPE_WIKI => 'Phriction',
    );

    return idx($map, $this->getType());
  }


  /**
   * Set whether or not the underlying object is complete. See
   * @{method:isComplete} for an explanation of what it means to be complete.
   *
   * @param bool True if the handle represents a complete object.
   * @return this
   */
  public function setComplete($complete) {
    $this->complete = $complete;
    return $this;
  }


  /**
   * Determine if the handle represents an object which was completely loaded
   * (i.e., the underlying object exists) vs an object which could not be
   * completely loaded (e.g., the type or data for the PHID could not be
   * identified or located).
   *
   * Basically, @{class:PhabricatorObjectHandleData} gives you back a handle for
   * any PHID you give it, but it gives you a complete handle only for valid
   * PHIDs.
   *
   * @return bool True if the handle represents a complete object.
   */
  public function isComplete() {
    return $this->complete;
  }


  /**
   * Set whether or not the underlying object is disabled. See
   * @{method:isDisabled} for an explanation of what it means to be disabled.
   *
   * @param bool True if the handle represents a disabled object.
   * @return this
   */
  public function setDisabled($disabled) {
    $this->disabled = $disabled;
    return $this;
  }


  /**
   * Determine if the handle represents an object which has been disabled --
   * for example, disabled users, archived projects, etc. These objects are
   * complete and exist, but should be excluded from some system interactions
   * (for instance, they usually should not appear in typeaheads, and should
   * not have mail/notifications delivered to or about them).
   *
   * @return bool True if the handle represents a disabled object.
   */
  public function isDisabled() {
    return $this->disabled;
  }


  public function renderLink() {
    $name = $this->getLinkName();
    $class = null;
    $title = null;

    if ($this->status != PhabricatorObjectHandleStatus::STATUS_OPEN) {
      $class .= ' handle-status-'.$this->status;
      $title = $this->status;
    }

    if ($this->disabled) {
      $class .= ' handle-disabled';
      $title = 'disabled'; // Overwrite status.
    }

    return phutil_render_tag(
      'a',
      array(
        'href'  => $this->getURI(),
        'class' => $class,
        'title' => $title,
      ),
      phutil_escape_html($name));
  }

  public function getLinkName() {
    switch ($this->getType()) {
      case PhabricatorPHIDConstants::PHID_TYPE_USER:
      case PhabricatorPHIDConstants::PHID_TYPE_CMIT:
        $name = $this->getName();
        break;
      default:
        $name = $this->getFullName();
        break;
    }
    return $name;
  }

}