#include "Project.h"
#include <string>
#include <sstream>
#include <fstream>
#include <iostream>
#include <yaml-cpp/yaml.h>


void Project::SaveProject(std::filesystem::path path, Project& project)
{
	YAML::Emitter projectYAML;
	projectYAML << YAML::BeginMap;
	projectYAML << YAML::Key << "Project" << YAML::Value << project.Name;	
	projectYAML << YAML::Key << "Directory" << YAML::Value << path.parent_path().u8string();
	projectYAML << YAML::EndMap;
	projectYAML << YAML::BeginMap;


	projectYAML << YAML::Key << "Scenes" << YAML::Value << YAML::BeginSeq;
	for (auto scene : project.Scenes) {
		projectYAML << scene->name;
	}
	projectYAML << YAML::EndSeq;

	std::ofstream projectFile;

	projectFile.open(path.u8string());
	projectFile << projectYAML.c_str();
	projectFile.close();
}

void Project::LoadProject(std::filesystem::path path, Project& project) 
{

	if (!std::filesystem::exists(path)) {
		throw std::runtime_error("Couldn't find project file!");
	}

	std::string YAMLProject;
	std::stringstream sstream;
	std::ifstream projectFile;
	projectFile.open(path.u8string());

	sstream << projectFile.rdbuf();
	YAMLProject = sstream.str();

	projectFile.close();


	YAML::Node node = YAML::Load(YAMLProject);
	
	// this is probably not perfect but it seems to work for now
	project = node.as<Project>();

	spdlog::info("loaded project {0}", project.Name);


	
}


namespace YAML {

	template<>
	class convert<Project> {
	public:
		static bool decode(const Node& node , Project& rhs) 
		{
			if (!node.IsMap())
				return false;

			std::string projectName = node["Project"].as<std::string>();
			rhs.setName(projectName);


			std::string projectDirectory  = node["Directory"].as<std::string>();
			rhs.setProjectDirectory(projectDirectory);
			
		

			return true;
		}

	};

}