#ifndef MISSION_PLANNING_H
#define MISSION_PLANNING_H

#include "simulation.h"

struct TransferParameters {
    double semi_major_axis;
    double eccentricity;
    double periapsis;
    double apoapsis;
    double transfer_time;
    double departure_velocity;
    double arrival_velocity;
    double phase_angle_deg;
    double delta_v_injection;
    double delta_v_capture;
};

TransferParameters calculate_hohmann_transfer(double r_departure, double r_arrival,
                                             double central_mass);

double calculate_angular_position(CelestialBody* body, CelestialBody* center);

double calculate_required_phase_angle(double transfer_time, double arrival_period);

bool check_launch_window(SimulationState* sim, int departure_idx, int arrival_idx,
                         double required_phase_angle_deg, double tolerance_deg);

void wait_for_launch_window(SimulationState* sim, int departure_idx, int arrival_idx,
                            double required_phase_angle_deg, double tolerance_deg);

void initialize_spacecraft_leo(CelestialBody* spacecraft, CelestialBody* parent,
                              double altitude_m);

void apply_transfer_burn(SimulationState* sim, int spacecraft_idx,
                       int departure_idx, TransferParameters* params);

double calculate_phase_angle(SimulationState* sim, int departure_idx, int arrival_idx);

#endif