#include <SDL2/SDL_render.h>
#include "ui.h"
#include "font.h"
#include "render.h"
#include "microui.h"

extern mu_Context *mu_ctx;

#define UNPACK_COLOR(c) (c).r, (c).g, (c).b, (c).a
#define UNPACK_RECT(r) (r).x, (r).y, (r).w, (r).h

void ui_draw(void)
{
	static int warned = 0;
	mu_Command *cmd = NULL;
	while (mu_next_command(mu_ctx, &cmd)) switch (cmd->type) {
	case MU_COMMAND_TEXT:
		font_set_color(UNPACK_COLOR(cmd->text.color));
		font_draw(cmd->text.pos.x, cmd->text.pos.y, cmd->text.str);
		break;
	case MU_COMMAND_RECT:
		r_draw_set_color(UNPACK_COLOR(cmd->rect.color));
		r_draw_fill_rect(UNPACK_RECT(cmd->rect.rect));
		break;
	case MU_COMMAND_CLIP:
		r_set_clip_rect(UNPACK_RECT(cmd->clip.rect));
		break;
	default:
		if (!warned) {
			fprintf(stderr, "unsupported MU command: %d\n",
			        cmd->type);
			warned = 1;
		}
		break;
	}
	r_reset_clip_rect();
}