//
// Created by rov on 12/27/25.
//

#include "bitmap.h"

#include <SDL3/SDL.h>
#include "window.h"

bool Bitmap_Init(Bitmap_t* bitmap) {
    SDL_Renderer* renderer = Window_GetRenderer();

    SDL_Surface* tibiaSurface = Bitmap_LoadFromFile("TIBIA.BMP");
    if (!tibiaSurface) {
        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Error", "Bitmap_Init: couldn't load TIBIA.BMP", NULL);
        return false;
    }

    bitmap->tibiaTexture = SDL_CreateTextureFromSurface(renderer, tibiaSurface);
    if (bitmap->tibiaTexture == NULL) {
        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Error", "Bitmap_Init: couldn't create tibia texture", NULL);
        return false;
    }

    SDL_DestroySurface(tibiaSurface);

    SDL_Surface* marbleSurface = Bitmap_LoadFromFile("MARBLE.BMP");
    if (!marbleSurface) {
        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Error", "Bitmap_Init: couldn't load MARBLE.BMP", NULL);
        return false;
    }

    bitmap->marbleTexture = SDL_CreateTextureFromSurface(renderer, marbleSurface);
    if (bitmap->marbleTexture == NULL) {
        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Error", "Bitmap_Init: couldn't create marble texture", NULL);
        return false;
    }

    SDL_DestroySurface(marbleSurface);

    // TODO: Note: here, on the original client, it created a offscreen buffer of 36x36 pixels.

    return true;
}

void Bitmap_Destroy(const Bitmap_t* bitmap) {
    SDL_DestroyTexture(bitmap->tibiaTexture);
    SDL_DestroyTexture(bitmap->marbleTexture);

    SDL_LogInfo(SDL_LOG_CATEGORY_CUSTOM, "Bitmap_Destroy: surfaces destroyed.");
}

SDL_Surface* Bitmap_LoadFromFile(const char* filename) {
    SDL_IOStream* stream = SDL_IOFromFile(filename, "rb");
    if (!stream) {
        SDL_LogError(SDL_LOG_CATEGORY_CUSTOM, "Bitmap_LoadFromFile: couldn't open file: %s", filename);
        return NULL;
    }

    return SDL_LoadBMP_IO(stream, true);
}

SDL_Surface* Bitmap_LoadFromMemory(const void* buffer, const size_t size) {
    SDL_IOStream* stream = SDL_IOFromConstMem(buffer, size);
    if (!stream) {
        SDL_LogError(SDL_LOG_CATEGORY_CUSTOM, "Bitmap_LoadFromMemory: couldn't read from memory.");
        return NULL;
    }

    return SDL_LoadBMP_IO(stream, true);
}