#pragma once
#include "random"
#include "vector2d.hpp"

// For visual simulation
enum Color { BLACK, WHITE };

struct Pedestrian {
  Color color;
  // $\vec{v}_{\alpha}(t)$
  Vector2d curr_vel; // v_alpha  (actual, ≤ v_max)
  // $\vec{w}_{\alpha}$
  Vector2d w; // w_alpha  (preferred, integrates force)
  // $\vec{r}_\alpha(t)$
  Vector2d curr_pos;
  // $\vec{e}_{\alpha}(t)$
  Vector2d e;  // desired direction vector
  // $v_{\alpha}^{max} = 1.3 v^{0}_{\alpha}$
  double v_max;
  // $v_\alpha^0$
  double desired_v0;
  // $\vec{r}^0_\alpha$
  Vector2d destination;
  // social force
  Vector2d f_i;

  Pedestrian() : color(WHITE), curr_vel(0.0, 0.0), w(0.0, 0.0), curr_pos(0.0, 0.0), e(0.0, 0.0), v_max(0.0), desired_v0(0.0), destination(0.0, 0.0), f_i(0.0, 0.0) {}

  Pedestrian(Color clr, Vector2d c_v, Vector2d c_p, Vector2d e, double v_max, double desired_v0, Vector2d d, Vector2d f)
      : color(clr), curr_vel(c_v), w(c_v), // initialize w = v at t=0
        curr_pos(c_p), e(e), v_max(v_max), desired_v0(desired_v0), destination(d), f_i(f) {}
};