main.cpp

#include "input_reader.h"
#include "coordinates.h"
#include "grid.h"
#include "robot.h"
#include "commander.h"

using namespace ToyRobot;


int main( int argc, char *argv[] )
{
    if( argc > 2 )
    {
        std::cerr << "ERROR: Unsupported number of arguments." << std::endl;
        return 1;
    }

    int length = 4, width = 4;
    Coordinates dimensions( length, width );
    std::shared_ptr<Grid> grid = nullptr;

    try
    {
        grid = std::make_shared<Grid>( dimensions );
    }
    catch( const char* ex )
    {
        std::cerr << ex << std::endl;
        return EXIT_FAILURE;
    }
    
    auto robot = std::make_shared<Robot>();
    std::unique_ptr<Commander> commander = nullptr;

    if( argc < 2 )
    {
        auto console_reader = std::make_shared<ConsoleReader>();
        commander = std::make_unique<Commander>( console_reader, grid );
        std::cout << "--- TOY ROBOT program (enter a blank command to exit) ---" << std::endl;
    }
    else if( argc == 2 )
    {
        std::string filename( argv[1] );
        auto file_reader = std::make_shared<FileReader>();
        file_reader->SetFilepath( filename );

        if( ! file_reader->ReadAllLines() )
            return 1;

        commander = std::make_unique<Commander>( file_reader, grid );
    }

    commander->TrackRobot( robot );
    commander->PlayWithRobot();

    return 0;
}