#include "ball.hpp"
#include <algorithm>
#include <ranges>
#include <iostream>

inline int clamp_int(int v, int lo, int hi) {
    if (v < lo) return lo;
    if (v > hi) return hi;
    return v;
}


ball::ball()
{
    std::cout << "Ball erzeugt!"<< std::endl;

    r_dir = 0;
    g_dir = -1;
    b_dir = 1;

    x = 50;
    y = 50;

    rect = {20,20,20,20};
    color = {255,0,0,255};
}

ball::~ball()
{
}

int ball::GetXPos(){
    return x;
}

int ball::GetYPos(){
    return y;
}

void ball::Draw(SDL_Renderer* renderer){
    SDL_SetRenderDrawColor(renderer, color.r, color.g, color.b, color.a);
    SDL_RenderFillRect(renderer, &rect);
}

void ball::Update(){
    color.r += r_dir;
    color.g += g_dir;
    color.b += b_dir;

    //=================ColorCycle======================
    // Clamp values between 1 and 254
    color.g = clamp_int(color.g, 1, 254);
    color.b = clamp_int(color.b, 1, 254);
    color.r = clamp_int(color.r, 1, 254);

    // Transition logic
    if (r_dir != 0 && (color.r == 254 || color.r == 1)) {
        r_dir = 0;
        g_dir = (color.r == 254) ? 1 : -1;
        b_dir = 0;
    } 
    else if (g_dir != 0 && (color.g == 254 || color.g == 1)) {
        g_dir = 0;
        b_dir = (color.g == 254) ? 1 : -1;
        r_dir = (color.g == 254) ? -1 : 1;
    } 
    else if (b_dir != 0 && (color.b == 254 || color.b == 1)) {
        b_dir = 0;
        r_dir = 0;
        g_dir = (color.b == 254) ? -1 : 1;
    }

    //=================Movement======================
    x+=10.0;
    y+=10.0;

}