#include "terraingen.h"

#include <geoworld.h>
#include <iostream>
#include <fstream>
#include <gmregistry.h>
#include <gwmorphs/gmdefault.h>
#include <yamlgmcfgrd.h>
#include <yamlminreader.h>
#include <yamlsessreader.h>
#include <yamldepositsynthreader.h>
#include <yamlmetaconfig.h>
#include <synthsession.h>
#include <PNGDEM.h>

using namespace geoworld;
using namespace genesis;
using namespace mars;
using namespace std;

namespace godot {
    TerrainGen::TerrainGen() : sess(new geoworld::SynthesisSession()), geoMorphRegistry(new DefaultGMRegistry()) {}
    TerrainGen::~TerrainGen() {
        delete sess;
        delete geoMorphRegistry;
    }
    
    void TerrainGen::_register_methods() {
        register_property<TerrainGen, String>("Configuration", &TerrainGen::set_config, &TerrainGen::get_config, String());
        register_property<TerrainGen, String>("Output File", &TerrainGen::outputFile, "default.pgw");
        register_property<TerrainGen, short>("Tile Size", &TerrainGen::tileDim, 128);
        register_property<TerrainGen, short>("Width", &TerrainGen::width, 4000);
        register_property<TerrainGen, short>("Height", &TerrainGen::height, 4000);
        register_property<TerrainGen, short>("Depth", &TerrainGen::depth, 20000);
        
        register_method("build", &TerrainGen::build);
    }
    
    String TerrainGen::get_config() {
        return config;
    }
    void TerrainGen::set_config(String config) {
        MetaConfig cfg;
        std::ifstream incfg(config.utf8().get_data(), std::ios::in);
        YAMLMetaConfigReader cfgreader(incfg);

		bool bResult = cfgreader.load(cfg);
		if (!bResult)
			;//throw Exception();
        
        std::ifstream 
            ingenesis(cfg.resources.genesis, std::ios::in),
            ingmfactories(cfg.resources.gmfactories, std::ios::in),
            indepsynth(cfg.resources.depsynth, std::ios::in);
            
        auto gmfactoriesreader = YAMLGeoMorphConfigReader(ingmfactories);
            
        geoMorphRegistry->configure(gmfactoriesreader);
        
        auto mineralsReader = MineralsYAMLReader(
            cfg.resources.minerals.c_str(), 
            cfg.resources.classes.c_str()
        );
        auto synthReader = YAMLDepositSynthCfgReader(indepsynth);
        auto synthSessReader = YAMLSynthSessCfgReader(ingenesis);
            
        bResult = sess->init(
            mineralsReader, 
            synthReader,
            synthSessReader
        );
        if (bResult)
            this->config = config;
        else
            ;//throw Exception();
    }

    void TerrainGen::build() {
        std::string outputFile = this->outputFile.utf8().get_data();
        sess->generate(outputFile, *geoMorphRegistry, width, height, depth);
    }
}