/*
 * Converter.j
 * nib2cib
 *
 * Created by Francisco Tolmasky.
 * Copyright 2008, 280 North, Inc.
 *
 * This library 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 2.1 of the License, or (at your option) any later version.
 *
 * This library 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 library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/

@import <Foundation/Foundation.j>
@import <AppKit/AppKit.j>
@import <BlendKit/BlendKit.j>

var FILE = require("file"),
    OS = require("os"),

    SharedConverter = nil;

NibFormatUndetermined   = 0,
NibFormatMac            = 1,
NibFormatIPhone         = 2;

ConverterModeLegacy   = 0;
ConverterModeNew      = 1;

ConverterConversionException = @"ConverterConversionException";

@implementation Converter : CPObject
{
    CPString     inputPath       @accessors(readonly);
    CPString     outputPath      @accessors;
    CPString     resourcesPath   @accessors;
    NibFormat    format          @accessors(readonly);
    CPArray      themes          @accessors(readonly);
}

+ (Converter)sharedConverter
{
    if (!SharedConverter)
        SharedConverter = [[Converter alloc] init];

    return SharedConverter;
}

- (id)initWithInputPath:(CPString)aPath format:(NibFormat)nibFormat themes:(CPArray)themeList
{
    self = [super init];

    if (self)
    {
        inputPath = aPath;
        format = nibFormat;
        themes = themeList;
    }

    return self;
}

- (void)convert
{
    if ([resourcesPath length] && !FILE.isReadable(resourcesPath))
        [CPException raise:ConverterConversionException reason:@"Could not read Resources at path \"" + resourcesPath + "\""];

    var inferredFormat = format;

    if (inferredFormat === NibFormatUndetermined)
    {
        // Assume its a Mac file.
        inferredFormat = NibFormatMac;

        // Some .xibs are iPhone nibs, check the actual contents in this case.
        if (FILE.extension(inputPath) !== ".nib" && FILE.isFile(inputPath) &&
            FILE.read(inputPath, { charset:"UTF-8" }).indexOf("<archive type=\"com.apple.InterfaceBuilder3.CocoaTouch.XIB\"") !== -1)
            inferredFormat = NibFormatIPhone;

        if (inferredFormat === NibFormatMac)
            CPLog.info("Auto-detected Cocoa Nib or Xib File");
        else
            CPLog.info("Auto-detected CocoaTouch Xib File");
    }

    var nibData = [self CPCompliantNibDataAtFilePath:inputPath];

    if (inferredFormat === NibFormatMac)
        var convertedData = [self convertedDataFromMacData:nibData resourcesPath:resourcesPath];
    else
        [CPException raise:ConverterConversionException reason:@"nib2cib does not understand this nib format."];

    if (![outputPath length])
        outputPath = inputPath.substr(0, inputPath.length - FILE.extension(inputPath).length) + ".cib";

    FILE.write(outputPath, [convertedData rawString], { charset:"UTF-8" });
    CPLog.info(CPLogColorize("Conversion successful", "warn"));
}

- (CPData)CPCompliantNibDataAtFilePath:(CPString)aFilePath
{
    CPLog.info("Converting Xib file to plist...");

    var temporaryNibFilePath = "",
        temporaryPlistFilePath = "";

    try
    {
        // Compile xib or nib to make sure we have a non-new format nib.
        temporaryNibFilePath = FILE.join("/tmp", FILE.basename(aFilePath) + ".tmp.nib");

        if (OS.popen(["/usr/bin/ibtool", aFilePath, "--compile", temporaryNibFilePath]).wait() === 1)
            [CPException raise:ConverterConversionException reason:@"Could not compile file: " + aFilePath];

        // Convert from binary plist to XML plist
        var temporaryPlistFilePath = FILE.join("/tmp", FILE.basename(aFilePath) + ".tmp.plist");

        if (OS.popen(["/usr/bin/plutil", "-convert", "xml1", temporaryNibFilePath, "-o", temporaryPlistFilePath]).wait() === 1)
            [CPException raise:ConverterConversionException reason:@"Could not convert to xml plist for file: " + aFilePath];

        if (!FILE.isReadable(temporaryPlistFilePath))
            [CPException raise:ConverterConversionException reason:@"Unable to convert nib file."];

        var plistContents = FILE.read(temporaryPlistFilePath, { charset:"UTF-8" });

        // Minor NS keyed archive to CP keyed archive conversion.
        // Use Java directly because rhino's string.replace is *so slow*. 4 seconds vs. 1 millisecond.
        // plistContents = plistContents.replace(/\<key\>\s*CF\$UID\s*\<\/key\>/g, "<key>CP$UID</key>");
        if (system.engine === "rhino")
            plistContents = String(java.lang.String(plistContents).replaceAll("\\<key\\>\\s*CF\\$UID\\s*\\<\/key\\>", "<key>CP\\$UID</key>"));
        else
            plistContents = plistContents.replace(/\<key\>\s*CF\$UID\s*\<\/key\>/g, "<key>CP$UID</key>");

        plistContents = plistContents.replace(/<string>[\u0000-\u0008\u000B\u000C\u000E-\u001F]<\/string>/g, function(c)
        {
            CPLog.warn("Warning: converting character 0x" + c.charCodeAt(8).toString(16) + " to base64 representation");
            return "<string type=\"base64\">"+CFData.encodeBase64String(c.charAt(8))+"</string>";
        });
    }
    finally
    {
        if (temporaryNibFilePath !== "" && FILE.isWritable(temporaryNibFilePath))
            FILE.remove(temporaryNibFilePath);

        if (temporaryPlistFilePath !== "" && FILE.isWritable(temporaryPlistFilePath))
            FILE.remove(temporaryPlistFilePath);
    }

    return [CPData dataWithRawString:plistContents];
}

@end

@import "Converter+Mac.j"