#include "level.h"
#include "generator.h"
#include <gint/display.h>

level_t level_create(int level)
{
	level_t l;

	switch(level) {
		case 2:
			l.gen = std::make_unique<struct gen2>();
			break;
		case 3:
			l.gen = std::make_unique<struct gen3>();
			break;
		default:
			l.gen = std::make_unique<struct gen1>();
	}
	return l;
}

void level_update(level_t *level)
{
	while (level->section_buffer.size() < LEVEL_BUFFER_LENGTH) {
		level->gen->generate(level);
	}
}

void level_advance(level_t *level)
{
	if(level->section_buffer.size())
		level->section_buffer.erase(level->section_buffer.begin());
}

void level_display(level_t *level)
{
	int w;
	int h;
	int sx;
	int sy;

	dsize("@", NULL, &w, &h);

	sx = (DWIDTH - (PLATFORM_COUNT * w)) / 2;
	sy = (DHEIGHT - (LEVEL_BUFFER_LENGTH * h)) / 2;

	drect_border(
		sx, sy,
		sx + (PLATFORM_COUNT * w), sy + (LEVEL_BUFFER_LENGTH * h),
		C_NONE, 2, C_BLACK
	);

	for (int i = 4; i >= 0; --i) {
		for (int j = 0; j < PLATFORM_COUNT; ++j) {
			if (level->section_buffer[i].platforms[j].type != PLATFORM_EMPTY)
				dtext(sx + (w * j), sy + (h * i), C_BLACK, "@");
		}
	}
}