#include "tart.h"
#include <malloc.h>

struct tart_buffer tart_create_buffer(tart_id id, struct tart_vec2 size, struct tart_vec2 position) {
    int cell_count = position.x * position.y;
    struct tart_cell* cells = malloc(sizeof(struct tart_cell[cell_count]));
    struct tart_buffer buf = {cell_count,0,id,size,position,0};
    return buf;
}
struct tart_cell tart_create_cell(char display, tart_byte style, struct tart_rgb foreground, struct tart_rgb background) {
    return (struct tart_cell){foreground, background, style, display};
}
tart_byte tart_add_buffer(struct tart_window* window, struct tart_buffer buffer) {
    if(window->buffer_count < 0xFF) {
        window->buffers[window->buffer_count] = buffer;
        window->buffer_count++;
        return window->buffer_count;
    }
    return 0;
}
tart_byte tart_set_buffer(struct tart_window* window, struct tart_buffer buffer, tart_byte layer) {
    if(layer <= 0xFF) {
        window->buffers[layer] = buffer;
        return layer;
    }
    return 0;
}

struct tart_buffer* tart_get_buffer(struct tart_window* window, tart_byte layer) {
    return &window->buffers[layer];
}

struct tart_cell* tart_get_cell(struct tart_buffer* buffer, int idx) {
    return &buffer->cells[idx];
}
struct tart_cell* tart_set_cell(struct tart_buffer* buffer, struct tart_cell* cell,int idx) {
    if(buffer->cell_count >= idx) {
        buffer->cells[idx] = *cell;
        return cell;
    }
    return 0;
}