#include <Eigen/Eigen>
#include <tug/Simulation.hpp>
#include <chrono>
#include <iostream>

using namespace Eigen;
using namespace tug;
using namespace std::chrono;

int main(int argc, char *argv[])
{
    // **** GRID ****
    int rows = 100;
    int cols = 100;
    Grid64 grid(rows, cols);

    MatrixXd concentrations = MatrixXd::Constant(rows, cols, 0);
    concentrations(10, 10) = 2000;
    concentrations(90, 90) = 2000;
    grid.setConcentrations(concentrations);

    MatrixXd alphax = MatrixXd::Constant(rows, cols, 1);
    MatrixXd alphay = MatrixXd::Constant(rows, cols, 1);
    grid.setAlpha(alphax, alphay);

    // **** BOUNDARY ****
    Boundary bc = Boundary(grid);
    bc.setBoundarySideConstant(BC_SIDE_LEFT, 1);
    bc.setBoundarySideConstant(BC_SIDE_RIGHT, 1);
    bc.setBoundarySideConstant(BC_SIDE_TOP, 0);
    bc.setBoundarySideConstant(BC_SIDE_BOTTOM, 2);

    // **** SIMULATION ****
    Simulation simulation = Simulation(grid, bc);
    simulation.setTimestep(0.05);
    simulation.setIterations(1000);
    simulation.setOutputCSV(CSV_OUTPUT_ON);
    simulation.setOutputConsole(CONSOLE_OUTPUT_OFF);

    // **** RUN SIMULATION ****
    auto start = high_resolution_clock::now();
    simulation.run();
    auto stop = high_resolution_clock::now();

    auto duration = duration_cast<nanoseconds>(stop - start);
    std::cout << duration.count() << std::endl;
}