#include "../Skin.hpp"



std::vector<sf::Color> skin::loadSkin(std::string skinName){

	std::vector<sf::Color> skinLoaded;

	std::ifstream skinFile("./bin/skin/"+skinName+"/skin.txt");


	try{
		if(!skinFile.is_open())
			throw 1;

	}
	catch(int code){

		std::cout << "Failed to open skin " + skinName + "check the location and the permissions !";
		exit(code);
	}


	std::string line;
	std::vector<std::string> linesVector;

	while (std::getline(skinFile, line))
	{
		if(!line.empty() && !skin::containOnlySpace(line))
			linesVector.push_back(line);
	}

	linesVector=skin::removeComments(linesVector);

	for(int i=0;i<linesVector.size();i++){

		std::vector<int> rgba;
		rgba=skin::extractRGBA(linesVector.at(i));
		if(rgba.size()==3)
			skinLoaded.push_back(sf::Color(rgba.at(0), rgba.at(1), rgba.at(2)));
		else
			skinLoaded.push_back(sf::Color(rgba.at(0), rgba.at(1), rgba.at(2),rgba.at(3)));
	}

	return skinLoaded;
}

std::vector<std::string> skin::removeComments(std::vector<std::string> linesVector){

	std::vector<std::string> linesWitouthCom;
	
	for(int i=0;i<linesVector.size();i++){
		std::string currentLine(linesVector.at(i));

		if(currentLine[0]!='#'){
			size_t posCom=currentLine.find("#");

			if(posCom != std::string::npos)
				linesWitouthCom.push_back(currentLine.erase(posCom,currentLine.size()));
			else
				linesWitouthCom.push_back(currentLine);

		}
	}

	return linesWitouthCom;
}



bool skin::containOnlySpace(std::string line){
	for(int i=0;i<line.size();i++){

		if(line[i] != ' ')
			return false;

	}
	return true;
}


std::vector<int> skin::extractRGBA(std::string line){
	std::vector<int> rgba;

	std::string numberFound;

	int start=0;
	try {
		for(int j=0;j<3;j++){
			for(int i=start;i<line.size();i++){
				char ch=line.at(i);

				if(ch>='0' && ch <='9'){
					numberFound.push_back(ch);
				}
				else if(ch==' ' && numberFound.size() > 0){
					start=i;
					break;
				}
			}
			rgba.push_back(std::stoi(numberFound));
			numberFound.clear();
		}


		if(rgba.size()<3 || rgba.size()>4){
			throw "Invalid thème format";
			exit(1);
		}
	}
	catch(std::string error){
		std::cout << error;
		exit(1);
	}

	return rgba;

}