//------------------------------------------------------------------------------
// <copyright file="RegulusREST-inline.h" company="LiquidRobotics">
//
// Copyright (c) 2014 Liquid Robotics, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
// This software is associated with a release.  Liquid Robotics makes no
// representation that the design, interfaces or component distribution will
// remain unchanged in future releases.
//
// </copyright>
//
// <summary>
// </summary>
//
// <owner></owner>
//------------------------------------------------------------------------------

namespace LiquidRobotics {
namespace SV3RemotingLib {

static string FileToString(const string fileName)
{
	ifstream inputFile(fileName.c_str(), ifstream::binary);
	inputFile.seekg(0, ios::end);
	const streamsize fileSize = inputFile.tellg();

	if (fileSize > 32768)
	{
		stringstream ss;
		ss << "File cannot be larger than 32K (" << fileName << ")";
		throw invalid_argument(ss.str());
	}

	string fileContent;
	fileContent.reserve(fileSize);
	inputFile.seekg(0, ios::beg);
	fileContent.assign((istreambuf_iterator<char>(inputFile)), istreambuf_iterator<char>());
	return fileContent;
}

static Json::Value StringToJson(const string& rawString)
{
	string copy = rawString;

	boost::trim(copy);

	if (!boost::starts_with(copy,"{") || !boost::ends_with(copy, "}"))
	{
		copy.insert(copy.begin(), '{');
		copy.insert(copy.end(), '}');
	}

	Json::Reader reader;
	Json::Value root;
	const bool parsingSuccessful = reader.parse(copy, root, false);

	if (!parsingSuccessful)
		throw runtime_error(reader.getFormatedErrorMessages());

	return root;
}

static Json::Value FileToJson(const string fileName)
{
	string fileContent = FileToString(fileName);

	try
	{
		return StringToJson(FileToString(fileName));
	}
	catch(RegulusREST::JSONParsingError& ex)
	{
		stringstream ss;
		ss << "Failed to parse payload registration in file '" << fileName << "'" << endl
		   << ex.what() << endl;
		const string sstr = ss.str();
		throw RegulusREST::JSONParsingError(sstr);
	}
}

}
}
