#include "ax_game.hpp"
#include <vector>

ax_game::ax_game()
{
    ax_Window = nullptr;
    ax_Renderer = nullptr;
    ax_TickCounter = 0;
    ax_IsRunning = true;

    
    srand(time(0));
    

    //ax_ball_one = ball(500, 400, 0, 0);
    //ax_ball_two = ball(500, 500, 0, 0);

    for (int i = 0; i < 10; i++)
    {
        ax_balliste.emplace_back(ball(rand() % 1024, rand() % 768, (rand() % 200) -100 , (rand() % 200) -100));
    }
    
    

}

ax_game::~ax_game()
{
    ax_ball_one.~ball();
}

bool ax_game::Init(){
    int sdlResult = SDL_Init(SDL_INIT_VIDEO);
    if(sdlResult != 0){
        SDL_Log("Fehler bei SDL_INIT: %s", SDL_GetError());
        return false;
    }

    ax_Window = SDL_CreateWindow("Ersted Fenster", 100,100,1024,768,0);

    ax_Renderer = SDL_CreateRenderer(ax_Window, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);

    if(!ax_Renderer){
        SDL_Log("Fehler bei SDL_CreateRenderer: %s", SDL_GetError());
        return false;
    }



    return true;

}

void ax_game::RunLoop(){
    while(ax_IsRunning){
        Input();
        Update();
        Output();
    }
}

void ax_game::Shutdown(){
    SDL_DestroyRenderer(ax_Renderer);
    SDL_DestroyWindow(ax_Window);
    SDL_Quit();
}

void ax_game::Input(){
    SDL_Event event;
    while(SDL_PollEvent(&event)){
        switch (event.type)
        {
        case SDL_QUIT:
            ax_IsRunning = false;
            break;
        }
    }

    //Tastatur auslesen
    const Uint8 *state = SDL_GetKeyboardState(NULL);
    //if(state[SDL_SCANCODE_ESCAPE]) ax_IsRunning = false;
    //if(state[SDL_SCANCODE_S]) ax_balliste[0].vely += 10;
    //if(state[SDL_SCANCODE_W]) ax_balliste[0].vely -= 10;
    //if(state[SDL_SCANCODE_D]) ax_balliste[0].velx += 10;
    //if(state[SDL_SCANCODE_A]) ax_balliste[0].velx -= 10;


}

void ax_game::Update(){
    while(!SDL_TICKS_PASSED(SDL_GetTicks(), ax_TickCounter + 16));
    float DeltaTime = (SDL_GetTicks() - ax_TickCounter) / 1000.0f;
    if (DeltaTime > 0.05f)
	{
		DeltaTime = 0.05f;
	}
    ax_TickCounter = SDL_GetTicks();
    
    // Update Ball
    for (auto &n : ax_balliste){
        n.Update(DeltaTime, ax_balliste);
    }

    // clean up
    for (auto it = ax_balliste.begin(); it != ax_balliste.end(); )
    {
        if (!it->alive)
        it = ax_balliste.erase(it); // erase gibt neuen gültigen Iterator zurück
    else
        ++it; // nur erhöhen, wenn nichts gelöscht wurde
    }

}

void ax_game::Output(){
    SDL_SetRenderDrawColor(ax_Renderer,0,0,255,255);  // BG Color
    SDL_RenderClear(ax_Renderer);   //Puffer leeren

    
    //ax_ball_one.Draw(ax_Renderer);
    //ax_ball_two.Draw(ax_Renderer);

    for (auto &n : ax_balliste){
        n.Draw(ax_Renderer);
    }

    SDL_RenderPresent(ax_Renderer);
}