/*
 * Copyright (C) 2011 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "public/platform/modules/indexeddb/WebIDBKey.h"

#include "modules/indexeddb/IDBKey.h"

namespace blink {

WebIDBKey WebIDBKey::createArray(const WebVector<WebIDBKey>& array) {
  WebIDBKey key;
  key.assignArray(array);
  return key;
}

WebIDBKey WebIDBKey::createBinary(const WebData& binary) {
  WebIDBKey key;
  key.assignBinary(binary);
  return key;
}

WebIDBKey WebIDBKey::createString(const WebString& string) {
  WebIDBKey key;
  key.assignString(string);
  return key;
}

WebIDBKey WebIDBKey::createDate(double date) {
  WebIDBKey key;
  key.assignDate(date);
  return key;
}

WebIDBKey WebIDBKey::createNumber(double number) {
  WebIDBKey key;
  key.assignNumber(number);
  return key;
}

WebIDBKey WebIDBKey::createInvalid() {
  WebIDBKey key;
  key.assignInvalid();
  return key;
}

WebIDBKey WebIDBKey::createNull() {
  WebIDBKey key;
  key.assignNull();
  return key;
}

void WebIDBKey::reset() {
  m_private.reset();
}

void WebIDBKey::assign(const WebIDBKey& value) {
  m_private = value.m_private;
}

static IDBKey* convertFromWebIDBKeyArray(const WebVector<WebIDBKey>& array) {
  IDBKey::KeyArray keys;
  keys.reserveCapacity(array.size());
  for (size_t i = 0; i < array.size(); ++i) {
    switch (array[i].keyType()) {
      case WebIDBKeyTypeArray:
        keys.append(convertFromWebIDBKeyArray(array[i].array()));
        break;
      case WebIDBKeyTypeBinary:
        keys.append(IDBKey::createBinary(array[i].binary()));
        break;
      case WebIDBKeyTypeString:
        keys.append(IDBKey::createString(array[i].string()));
        break;
      case WebIDBKeyTypeDate:
        keys.append(IDBKey::createDate(array[i].date()));
        break;
      case WebIDBKeyTypeNumber:
        keys.append(IDBKey::createNumber(array[i].number()));
        break;
      case WebIDBKeyTypeInvalid:
        keys.append(IDBKey::createInvalid());
        break;
      case WebIDBKeyTypeNull:
      case WebIDBKeyTypeMin:
        NOTREACHED();
        break;
    }
  }
  return IDBKey::createArray(keys);
}

static void convertToWebIDBKeyArray(const IDBKey::KeyArray& array,
                                    WebVector<WebIDBKey>& result) {
  WebVector<WebIDBKey> keys(array.size());
  WebVector<WebIDBKey> subkeys;
  for (size_t i = 0; i < array.size(); ++i) {
    IDBKey* key = array[i];
    switch (key->getType()) {
      case IDBKey::ArrayType:
        convertToWebIDBKeyArray(key->array(), subkeys);
        keys[i] = WebIDBKey::createArray(subkeys);
        break;
      case IDBKey::BinaryType:
        keys[i] = WebIDBKey::createBinary(key->binary());
        break;
      case IDBKey::StringType:
        keys[i] = WebIDBKey::createString(key->string());
        break;
      case IDBKey::DateType:
        keys[i] = WebIDBKey::createDate(key->date());
        break;
      case IDBKey::NumberType:
        keys[i] = WebIDBKey::createNumber(key->number());
        break;
      case IDBKey::InvalidType:
        keys[i] = WebIDBKey::createInvalid();
        break;
      case IDBKey::MinType:
        NOTREACHED();
        break;
    }
  }
  result.swap(keys);
}

void WebIDBKey::assignArray(const WebVector<WebIDBKey>& array) {
  m_private = convertFromWebIDBKeyArray(array);
}

void WebIDBKey::assignBinary(const WebData& binary) {
  m_private = IDBKey::createBinary(binary);
}

void WebIDBKey::assignString(const WebString& string) {
  m_private = IDBKey::createString(string);
}

void WebIDBKey::assignDate(double date) {
  m_private = IDBKey::createDate(date);
}

void WebIDBKey::assignNumber(double number) {
  m_private = IDBKey::createNumber(number);
}

void WebIDBKey::assignInvalid() {
  m_private = IDBKey::createInvalid();
}

void WebIDBKey::assignNull() {
  m_private.reset();
}

WebIDBKeyType WebIDBKey::keyType() const {
  if (!m_private.get())
    return WebIDBKeyTypeNull;
  return static_cast<WebIDBKeyType>(m_private->getType());
}

bool WebIDBKey::isValid() const {
  if (!m_private.get())
    return false;
  return m_private->isValid();
}

WebVector<WebIDBKey> WebIDBKey::array() const {
  WebVector<WebIDBKey> keys;
  convertToWebIDBKeyArray(m_private->array(), keys);
  return keys;
}

WebData WebIDBKey::binary() const {
  return m_private->binary();
}

WebString WebIDBKey::string() const {
  return m_private->string();
}

double WebIDBKey::date() const {
  return m_private->date();
}

double WebIDBKey::number() const {
  return m_private->number();
}

}  // namespace blink