/*

 * Copyright (c) 2014, 2018, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code 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 General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

#include "Helpers.h"

#include "PlatformString.h"

#include "PropertyFile.h"

bool Helpers::SplitOptionIntoNameValue(

        TString option, TString& Name, TString& Value) {

    bool result = false;

    Name = _T("");

    Value = _T("");

    unsigned int index = 0;

    for (; index < option.length(); index++) {

        TCHAR c = option[index];

        switch (c) {

            case '=': {

                index++;

                result = true;

                break;

            }

            case '\\': {

                if (index + 1 < option.length()) {

                    c = option[index + 1];

                    switch (c) {

                        case '\\': {

                            index++;

                            Name += '\\';

                            break;

                        }

                        case '=': {

                            index++;

                            Name += '=';

                            break;

                        }

                    }

                }

                continue;

            }

            default: {

                Name += c;

                continue;

            }

        }

        break;

    }

    if (result) {

        Value = option.substr(index, index - option.length());

    }

    return result;

}

TString Helpers::ReplaceString(TString subject, const TString& search,

                            const TString& replace) {

    size_t pos = 0;

    while((pos = subject.find(search, pos)) != TString::npos) {

            subject.replace(pos, search.length(), replace);

            pos += replace.length();

    }

    return subject;

}

TString Helpers::ConvertIdToFilePath(TString Value) {

    TString search;

    search = '.';

    TString replace;

    replace = '/';

    TString result = ReplaceString(Value, search, replace);

    return result;

}

TString Helpers::ConvertIdToJavaPath(TString Value) {

    TString search;

    search = '.';

    TString replace;

    replace = '/';

    TString result = ReplaceString(Value, search, replace);

    search = '\\';

    result = ReplaceString(result, search, replace);

    return result;

}

TString Helpers::ConvertJavaPathToId(TString Value) {

    TString search;

    search = '/';

    TString replace;

    replace = '.';

    TString result = ReplaceString(Value, search, replace);

    return result;

}

OrderedMap<TString, TString>

        Helpers::GetJVMArgsFromConfig(IPropertyContainer* config) {

    OrderedMap<TString, TString> result;

    for (unsigned int index = 0; index < config->GetCount(); index++) {

        TString argname =

                TString(_T("jvmarg.")) + PlatformString(index + 1).toString();

        TString argvalue;

        if (config->GetValue(argname, argvalue) == false) {

            break;

        }

        else if (argvalue.empty() == false) {

            TString name;

            TString value;

            if (Helpers::SplitOptionIntoNameValue(argvalue, name, value)) {

                result.Append(name, value);

            }

        }

    }

    return result;

}

OrderedMap<TString, TString>

        Helpers::GetJVMUserArgsFromConfig(IPropertyContainer* config) {

    OrderedMap<TString, TString> result;

    for (unsigned int index = 0; index < config->GetCount(); index++) {

        TString prefix = TString(_T("jvmuserarg."))

                + PlatformString(index + 1).toString();

        TString argname = prefix + _T(".name");

        TString argvalue = prefix + _T(".value");

        TString name;

        TString value;

        if ((config->GetValue(argname, name) == false) ||

                (config->GetValue(argvalue, value) == false)) {

            break;

        }

        else if ((name.empty() == false) && (value.empty() == false)) {

            result.Append(name, value);

        }

    }

    return result;

}

std::list<TString> Helpers::GetArgsFromConfig(IPropertyContainer* config) {

    std::list<TString> result;

    for (unsigned int index = 0; index < config->GetCount(); index++) {

        TString argname = TString(_T("arg."))

                + PlatformString(index + 1).toString();

        TString argvalue;

        if (config->GetValue(argname, argvalue) == false) {

            break;

        }

        else if (argvalue.empty() == false) {

            result.push_back((argvalue));

        }

    }

    return result;

}

void AppendToIni(PropertyFile &Source, IniFile* Destination, TString Key) {

    TString value;

    if (Source.GetValue(Key, value) == true) {

        Platform& platform = Platform::GetInstance();

        std::map<TString, TString> keys = platform.GetKeys();

        Destination->Append(keys[CONFIG_SECTION_APPLICATION], Key, value);

    }

}

void Helpers::LoadOldConfigFile(TString FileName, IniFile* Container) {

    PropertyFile propertyFile;

    if (propertyFile.LoadFromFile(FileName) == true) {

        Platform& platform = Platform::GetInstance();

        std::map<TString, TString> keys = platform.GetKeys();

        // Application Section

        AppendToIni(propertyFile, Container, keys[CONFIG_MAINJAR_KEY]);

        AppendToIni(propertyFile, Container, keys[CONFIG_MAINMODULE_KEY]);

        AppendToIni(propertyFile, Container, keys[CONFIG_MAINCLASSNAME_KEY]);

        AppendToIni(propertyFile, Container, keys[CONFIG_CLASSPATH_KEY]);

        AppendToIni(propertyFile, Container, keys[APP_NAME_KEY]);

        AppendToIni(propertyFile, Container, keys[CONFIG_APP_ID_KEY]);

        AppendToIni(propertyFile, Container, keys[JVM_RUNTIME_KEY]);

        AppendToIni(propertyFile, Container, keys[PACKAGER_APP_DATA_DIR]);

        AppendToIni(propertyFile, Container, keys[CONFIG_APP_MEMORY]);

        AppendToIni(propertyFile, Container, keys[CONFIG_SPLASH_KEY]);

        // JVMOptions Section

        OrderedMap<TString, TString> JVMArgs =

                Helpers::GetJVMArgsFromConfig(&propertyFile);

        Container->AppendSection(keys[CONFIG_SECTION_JVMOPTIONS], JVMArgs);

        // JVMUserOptions Section

        OrderedMap<TString, TString> defaultJVMUserArgs =

                Helpers::GetJVMUserArgsFromConfig(&propertyFile);

        Container->AppendSection(keys[CONFIG_SECTION_JVMUSEROPTIONS],

                defaultJVMUserArgs);

        // ArgOptions Section

        std::list<TString> args = Helpers::GetArgsFromConfig(&propertyFile);

        OrderedMap<TString, TString> convertedArgs;

        for (std::list<TString>::iterator iterator = args.begin();

                iterator != args.end(); iterator++) {

            TString arg = *iterator;

            TString name;

            TString value;

            if (Helpers::SplitOptionIntoNameValue(arg, name, value) == true) {

                convertedArgs.Append(name, value);

            }

        }

        Container->AppendSection(keys[CONFIG_SECTION_ARGOPTIONS],

                convertedArgs);

    }

}

std::list<TString>

        Helpers::MapToNameValueList(OrderedMap<TString, TString> Map) {

    std::list<TString> result;

    std::vector<TString> keys = Map.GetKeys();

    for (OrderedMap<TString, TString>::const_iterator iterator = Map.begin();

            iterator != Map.end(); iterator++) {

       pair<TString, TString> *item = *iterator;

       TString key = item->first;

       TString value = item->second;

       if (value.length() == 0) {

           result.push_back(key);

       } else {

           result.push_back(key + _T('=') + value);

        }

    }

    return result;

}

TString Helpers::NameValueToString(TString name, TString value) {

    TString result;

    if (value.empty() == true) {

        result = name;

    }

    else {

        result = name + TString(_T("=")) + value;

    }

    return result;

}

std::list<TString> Helpers::StringToArray(TString Value) {

    std::list<TString> result;

    TString line;

    for (unsigned int index = 0; index < Value.length(); index++) {

        TCHAR c = Value[index];

        switch (c) {

            case '\n': {

                result.push_back(line);

                line = _T("");

                break;

            }

            case '\r': {

                result.push_back(line);

                line = _T("");

                if (Value[index + 1] == '\n')

                    index++;

                break;

            }

            default: {

                line += c;

            }

        }

    }

    // The buffer may not have ended with a Carriage Return/Line Feed.

    if (line.length() > 0) {

        result.push_back(line);

    }

    return result;

}