/*
 * Copyright (C) 2013 Apple 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:
 *
 * 1.  Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 * 2.  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.
 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
 *     its contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS 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 APPLE OR ITS 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 "config.h"
#include "PageConsole.h"

#include "Chrome.h"
#include "ChromeClient.h"
#include "ConsoleAPITypes.h"
#include "ConsoleTypes.h"
#include "Document.h"
#include "Frame.h"
#include "InspectorConsoleInstrumentation.h"
#include "InspectorController.h"
#include "Page.h"
#include "ScriptArguments.h"
#include "ScriptCallStack.h"
#include "ScriptCallStackFactory.h"
#include "ScriptValue.h"
#include "ScriptableDocumentParser.h"
#include "Settings.h"
#include <stdio.h>
#include <wtf/text/CString.h>
#include <wtf/text/WTFString.h>

namespace WebCore {

namespace {
    int muteCount = 0;
}

PageConsole::PageConsole(Page* page) : m_page(page) { }

PageConsole::~PageConsole() { }

void PageConsole::printSourceURLAndLine(const String& sourceURL, unsigned lineNumber)
{
    if (!sourceURL.isEmpty()) {
        if (lineNumber > 0)
            printf("%s:%d: ", sourceURL.utf8().data(), lineNumber);
        else
            printf("%s: ", sourceURL.utf8().data());
    }
}

void PageConsole::printMessageSourceAndLevelPrefix(MessageSource source, MessageLevel level)
{
    const char* sourceString;
    switch (source) {
    case XMLMessageSource:
        sourceString = "XML";
        break;
    case JSMessageSource:
        sourceString = "JS";
        break;
    case NetworkMessageSource:
        sourceString = "NETWORK";
        break;
    case ConsoleAPIMessageSource:
        sourceString = "CONSOLEAPI";
        break;
    case StorageMessageSource:
        sourceString = "STORAGE";
        break;
    case AppCacheMessageSource:
        sourceString = "APPCACHE";
        break;
    case RenderingMessageSource:
        sourceString = "RENDERING";
        break;
    case CSSMessageSource:
        sourceString = "CSS";
        break;
    case SecurityMessageSource:
        sourceString = "SECURITY";
        break;
    case OtherMessageSource:
        sourceString = "OTHER";
        break;
    default:
        ASSERT_NOT_REACHED();
        sourceString = "UNKNOWN";
        break;
    }

    const char* levelString;
    switch (level) {
    case DebugMessageLevel:
        levelString = "DEBUG";
        break;
    case LogMessageLevel:
        levelString = "LOG";
        break;
    case WarningMessageLevel:
        levelString = "WARN";
        break;
    case ErrorMessageLevel:
        levelString = "ERROR";
        break;
    default:
        ASSERT_NOT_REACHED();
        levelString = "UNKNOWN";
        break;
    }

    printf("%s %s:", sourceString, levelString);
}

void PageConsole::addMessage(MessageSource source, MessageLevel level, const String& message, unsigned long requestIdentifier, Document* document)
{
    String url;
    if (document)
        url = document->url().string();
    // FIXME: <http://webkit.org/b/114319> PageConsole::addMessage should automatically determine column number alongside line number
    unsigned line = 0;
    if (document && document->parsing() && !document->isInDocumentWrite() && document->scriptableDocumentParser()) {
        ScriptableDocumentParser* parser = document->scriptableDocumentParser();
        if (!parser->isWaitingForScripts() && !parser->isExecutingScript())
            line = parser->lineNumber().oneBasedInt();
    }
    addMessage(source, level, message, url, line, 0, 0, 0, requestIdentifier);
}

void PageConsole::addMessage(MessageSource source, MessageLevel level, const String& message, PassRefPtr<ScriptCallStack> callStack)
{
    addMessage(source, level, message, String(), 0, 0, callStack, 0);
}

void PageConsole::addMessage(MessageSource source, MessageLevel level, const String& message, const String& url, unsigned lineNumber, unsigned columnNumber, PassRefPtr<ScriptCallStack> callStack, ScriptState* state, unsigned long requestIdentifier)
{
    if (muteCount && source != ConsoleAPIMessageSource)
        return;

    Page* page = this->page();
    if (!page)
        return;

    if (callStack)
        InspectorInstrumentation::addMessageToConsole(page, source, LogMessageType, level, message, callStack, requestIdentifier);
    else
        InspectorInstrumentation::addMessageToConsole(page, source, LogMessageType, level, message, url, lineNumber, columnNumber, state, requestIdentifier);

    if (source == CSSMessageSource)
        return;

    if (page->settings()->privateBrowsingEnabled())
        return;

    page->chrome().client()->addMessageToConsole(source, level, message, lineNumber, columnNumber, url);

    if (!page->settings()->logsPageMessagesToSystemConsoleEnabled() && !shouldPrintExceptions())
        return;

    printSourceURLAndLine(url, lineNumber);
    printMessageSourceAndLevelPrefix(source, level);

    printf(" %s\n", message.utf8().data());
}

// static
void PageConsole::mute()
{
    muteCount++;
}

// static
void PageConsole::unmute()
{
    ASSERT(muteCount > 0);
    muteCount--;
}

static bool printExceptions = false;

bool PageConsole::shouldPrintExceptions()
{
    return printExceptions;
}

void PageConsole::setShouldPrintExceptions(bool print)
{
    printExceptions = print;
}

} // namespace WebCore