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#include <SFML/Audio.hpp>
#include <SFML/Graphics.hpp>
#include <SFML/System.hpp>
#include <SFML/Window.hpp>
#include <iostream>
#include <vector>
#include <string>
#include <cmath>
#include <tuple>

using namespace sf;
using namespace std;

const double longueur = 1280;
const double hauteur = 720;
const double e = 1601;
const double k = 1;


RenderWindow window(VideoMode(longueur, hauteur, 32), "chiass");

void string_to_char(string s, char* b){
    int size = s.size();
    for (int x = 0; x < size; x++) {
        b[x] = s[x];
    }
}


class Particule {

public:

    Particule(double x, double y,  double charge = 0, double mass = 10000, double radius = 20, double vx = 0, double vy = 0, double ax = 0, double ay = 0) :
        q(charge), m(mass), vx(vx), vy(vy), x(x), y(y), ax(ax), ay(ay), radius(radius)
    {
        circle.setRadius(radius);
        circle.setPointCount(500);
        circle.setFillColor(Color(255, 99, 71));
        circle.setOrigin(radius, radius);
        circle.setPosition(x, y);
    }

    void PrintInfo() {
        cout << "Mass = " << (*this).m << endl;
        cout << "Charge = " << (*this).q << endl;
        cout << "X position = " << (*this).x << endl;
        cout << "Y position = " << (*this).y << endl;
        cout << "Vx = " << (*this).vx << endl;
        cout << "Vy = " << (*this).vy << endl;
        cout << "Ax = " << (*this).ax << endl;
        cout << "Ay = " << (*this).ay << endl;
    }

    void setcolor(int r, int g, int b) {
        circle.setFillColor(Color(r, g, b));
    }

    vector<double> infos() {
        vector <double> infos = {x, y, q, m, vx, vy, ax, ay};
        return infos;
    };

    template <class T>
    void SetAcceleration(T ax, T ay) {
        (*this).ax = ax;
        (*this).ay = ay;
    }

    template <class T>
    void SetVitesse(T vx, T vy) {
        (*this).vx = vx;
        (*this).vy = vy;
    }

    void changeV() {
        vx += ax;
        vy += ay;
    }

    void changeXY() {
        x += vx;
        y += vy;

    }

    void update() {
        changeV();
        /*
        if (vx > 1) {
            vx = 1;
        }
        if (vy > 1) {
            vy = 1;
        }*/

        changeXY();

        if(x - radius<0) {
            x = radius;
            ax *= -1;
            vx *= -1;
        }
        if (x +radius> longueur) {
            x = longueur- radius;
            ax *= -1;
            vx *= -1;
        }
        if (y - radius< 0) {
            y = radius;
            ay *= -1;
            vy *= -1;
        }
        if (y + radius > hauteur) {
            y = hauteur - radius;
            ay *= -1;
            vy *= -1;
        }

        circle.setPosition(Vector2f(x, y));
        window.draw(circle);
    }

    void text() {
        Font font;
        if (!font.loadFromFile("arial.ttf"))
            cout << "Merde";
        vector<double> faichier = (*this).infos();

        int x = faichier[0];
        char xs[12];
        sprintf_s(xs, "%d", x);
        Text X(xs, font, 20);

        int y = faichier[1];
        char ys[12];
        sprintf_s(ys, "%d", y);
        Text Y(ys, font, 20);
        Y.setPosition(50, 0);

        window.draw(X);
        window.draw(Y);



    }


    tuple<double, double> GetAcceleration() {
        return make_tuple(ax, ay);
    }

    double distance(Particule *other) {
        return sqrt((other->x - (*this).x) * (other->x - (*this).x) + (other->y - (*this).y) * (other->y - (*this).y));
    }

    void coulomb(Particule *other) {

        double ax1;
        double ay1;

        ax1 = -fabs(other->x - x)*k/ (this->distance(other) * this->distance(other));
        ay1 = -fabs(other->y - y)*k/ (this->distance(other) * this->distance(other));

        this->SetAcceleration(ax1,ay1);
        other->SetAcceleration(-ax1,-ay1);

    }

private:
    double q;
    double m;
    double vx;
    double vy;
    double x;
    double y;
    double ax;
    double ay;
    CircleShape circle;
    int radius;
};


int main()
{
    Particule electron1(0, 0, -e, 9109);
    Particule electron2(longueur, hauteur, -e, 9109);

    ContextSettings settings;
    settings.antialiasingLevel = 32;
    electron1.SetVitesse(1.5, 1.5);
    electron2.SetVitesse(1.5, 1.5);
    electron1.setcolor(255, 255, 255);
    Font font;
    if (!font.loadFromFile("arial.ttf"))
        return EXIT_FAILURE;

    while (window.isOpen())
    {
        Event event;
        Clock clock;
        Text infos;
        while (window.pollEvent(event))
        {
            if (event.type == Event::Closed)
                window.close();
        }
        window.clear(Color(40, 40, 40));
        electron1.coulomb(&electron2);
        electron1.update();
        electron2.update();
        electron1.text();
        window.display();
    }
    return EXIT_SUCCESS;
}