#include "spacebot.h"
#include "move_string_mapper.h"
#include "brain/neural_network.h"
#include <fstream>

Spacebot::Spacebot(std::string outputPath)
    : _outputFilename(outputPath+"/move.txt"),
      _networkConfigFilename("brain.nn"),
      _gameState(std::ifstream(outputPath+"/map.txt"))
{
}

void Spacebot::writeNextMove()
{
    Move move = chooseMove();
    writeMove(move);
}

Move Spacebot::chooseMove()
{
    auto sensorInputs = _gameState.toBitArray();
    
    NeuralNetwork network(std::ifstream(_networkConfigFilename),
			  sensorInputs.size(),
			  static_cast<int>(Move::BUILD_SHIELD));

    for (int i=0; i<sensorInputs.size(); ++i)
    {
	network.setInput(i, sensorInputs[i] ? 1 : 0);
    }

    int moveInt = network.findMaxOutputIndex();
    return static_cast<Move>(moveInt);
}

void Spacebot::writeMove(const Move& move)
{
    std::ofstream resultStream(_outputFilename);
    resultStream << MoveStringMapper().toString(move) << std::endl;
    return;
}