#include "physics.h"

#include <math.h>
#include <stdio.h>
#include <stdlib.h>

void C()
{
    printf("\nCheck\n");
    return;
}

void printAcceleration(int acceleration)
{
    printf("The value of acceleration is: %d\n", acceleration);
    PAUSE();
    return;
}

void pauseSystem() { PAUSE(); }

void clearScreen()
{
    CLEAR_SCREEN();
    return;
}

void pauseForASecond()
{
    SLEEP_MS(1000);
    return;
}

void pauseForGivenTime(float given_time)
{
    SLEEP_MS((unsigned int)fabs((double)given_time * 1000));
    return;
}

float calculateVelocity(float starting_velocity, unsigned int physics_time, int *acceleration)
{
    // cppcheck-suppress nullPointer
    return (*acceleration) * physics_time + starting_velocity;
}

int calculateDisplacement(float starting_velocity, int *acceleration, unsigned int physics_time)
{
    // cppcheck-suppress nullPointer
    // cppcheck-suppress ctunullpointer
    return starting_velocity * physics_time + ((1 / 2) * (*acceleration) * (physics_time ^ 2));
}

void printXPosition(int position)
{
    printf("\nx position is: %d\n", position);
    return;
}

void printClock(unsigned int *time)
{
    printf("%u seconds passed\n", *time);
    return;
}

float calculateStopTime(float velocity) { return 1 / velocity; }

void printLine(int position)
{
    clearScreen();
    for (int i = -(LINE_LENGTH / 2); i < LINE_LENGTH / 2; i++)
    {
        if (i == position)
            printf("x");
        else
            printf("-");
    }
    return;
}

void printVelocity(float velocity)
{
    printf("Velocity is: %f\n", velocity);
    return;
}

int calculateTimePassed(float velocity)
{
    if (velocity >= 1 || velocity <= -1)
        return 1;
    else
    {
        printf("Time passed is: %f\n", fabs(1 / velocity));
        return fabs(1 / velocity);
    }
}

void printAllInfo(int position, unsigned int *time, float *velocity)
{
    pauseForGivenTime(calculateStopTime(*velocity));
    printLine(position);
    printXPosition(position);
    *time += calculateTimePassed(*velocity);
    printClock(time);
    printVelocity(*velocity);
    // pauseForASecond();
    return;
}

float chooseVelocity()
{
    float velocity;
    printf("Write velocity of the object in m / s: ");
    scanf("%f", &velocity);
    return velocity;
}

int chooseAcceleration()
{
    int acceleration;
    printf("Choose acceleration of the object in m / (s ^ 2):");
    scanf("%d", &acceleration);
    return acceleration;
}

int outOfLine(int position)
{
    if ((position < LINE_LENGTH / 2) && (position > -1 * (LINE_LENGTH / 2)))
    {
        return 0;
    }
    else
        return 1;
}

void moveUntillOutOfLine(int position, unsigned int *time)
{
    while (!outOfLine(position))
    {
        float  velocity  = chooseVelocity();
        float *Pvelocity = &velocity;
        position += calculateDisplacement(velocity, 0, 1);
        printAllInfo(position, time, Pvelocity);
    }
    return;
}

void moveUntillOutOfVelocity(int position, int *acceleration, unsigned int *time)
{
    float  velocity  = 0;
    float *Pvelocity = &velocity;
    while (!outOfLine(position))
    {
        position += calculateDisplacement(velocity, acceleration, 1);
        printXPosition(position);
        pauseSystem();
        velocity = calculateVelocity(velocity, 1, acceleration);
        printAllInfo(position, time, Pvelocity);
    }
    return;
}