#define SDL_MAIN_USE_CALLBACKS 1

#include <SDL3/SDL.h>
#include <SDL3/SDL_main.h>
#include <cmath>
#include <algorithm>

#include "globals.hpp"
#include "math.hpp"
#include "renderer/camera.hpp"
#include "renderer/calls.hpp"

static SDL_Window *window = NULL;
static SDL_Renderer *renderer = NULL;

DeltaVector2 temp1(125, 150), temp2(150, 120), temp3(100, 100);
DeltaVector2 topleft, bottomright, p;

SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
{
    SDL_SetAppMetadata("delta engine game", "0.0", "com.miletici.game");

    if (!SDL_Init(SDL_INIT_VIDEO)) {
        SDL_Log("Couldn't initialize SDL: %s", SDL_GetError());
        return SDL_APP_FAILURE;
    }

    if (!SDL_CreateWindowAndRenderer("game", SIMULATED_WIDTH, SIMULATED_HEIGHT, 0, &window, &renderer)) {
        SDL_Log("Couldn't create window/renderer: %s", SDL_GetError());
        return SDL_APP_FAILURE;
    }
    SDL_SetRenderLogicalPresentation(renderer, 640, 480, SDL_LOGICAL_PRESENTATION_LETTERBOX);

    return SDL_APP_CONTINUE;  /* carry on with the program! */
}

SDL_AppResult SDL_AppEvent(void *appstate, SDL_Event *event)
{
    if (event->type == SDL_EVENT_QUIT) {
        return SDL_APP_SUCCESS;
    }
    return SDL_APP_CONTINUE;
}

SDL_AppResult SDL_AppIterate(void *appstate)
{
    const double now = ((double)SDL_GetTicks()) / 1000.0;
    
    SDL_SetRenderDrawColor(renderer, 0, 0, 0, SDL_ALPHA_OPAQUE_FLOAT);
    SDL_RenderClear(renderer);

    SDL_SetRenderDrawColor(renderer, 255, 0, 255, SDL_ALPHA_OPAQUE);
    rasterizeTriangle(renderer, temp1, temp2, temp3);

    SDL_RenderPresent(renderer);

    return SDL_APP_CONTINUE;
}

void SDL_AppQuit(void *appstate, SDL_AppResult result)
{
    
}