/**
 * Copyright (c) 2022 Huawei Device Co., Ltd.
 * 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.
 */

#include "options.h"

#include <sstream>

namespace panda::proto {
// Options
Options::Options() : argparser_(new panda::PandArgParser()) {}

Options::~Options()
{
    delete argparser_;
}

bool Options::Parse(int argc, const char **argv)
{
    panda::PandArg<bool> opHelp("help", false, "Print this message and exit");

    panda::PandArg<std::string> protoPathInput("input", "",
                                               "Path of Proto bin file or directory. If input path starts with '@', "
                                               "it considered as a text file with list of files or directories.");
    panda::PandArg<std::string> protoBinSuffix("suffix", "", "suffix of proto bin file");
    panda::PandArg<std::string> outputFileName("output", "", "name of merged panda file");
    panda::PandArg<std::string> outputFilePath("outputFilePath", "", "output path for merged panda file");

    argparser_->Add(&opHelp);
    argparser_->Add(&protoPathInput);
    argparser_->Add(&protoBinSuffix);
    argparser_->Add(&outputFileName);
    argparser_->Add(&outputFilePath);

    if (!argparser_->Parse(argc, argv) || opHelp.GetValue() || protoPathInput.GetValue().empty()) {
        std::stringstream ss;

        ss << argparser_->GetErrorString() << std::endl;
        ss << "Usage: "
           << "merge_abc"
           << " [OPTIONS] --input" << std::endl;
        ss << std::endl;
        ss << "optional arguments:" << std::endl;
        ss << argparser_->GetHelpString() << std::endl;

        errorMsg_ = ss.str();
        return false;
    }

    protoPathInput_ = protoPathInput.GetValue();
    if (!protoBinSuffix.GetValue().empty()) {
        protoBinSuffix_ = protoBinSuffix.GetValue();
    }
    if (!outputFileName.GetValue().empty()) {
        outputFileName_ = outputFileName.GetValue();
    }
    if (!outputFilePath.GetValue().empty()) {
        outputFilePath_ = outputFilePath.GetValue();
    }

    return true;
}
}