/*
 * Copyright 2022-2025 Frederico de Oliveira Linhares
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "text.hpp"

#include "../int/core.hpp"

namespace BluCat::GRA
{

Text::Text(
	const BitmapFont &font, const char *str, const I32F x, const I32F y,
	F32 z_index):
	x{x},
	y{y},
	width{0},
	height{0},
	z_index{z_index}
{
	const std::vector<UI32> text{BluCat::GRA::Character::str_to_unicode(str)};
	this->letters.reserve(text.size());

	I32F current_column{0};
	I32F current_line{0};

  for(I32F index{0}; index < text.size(); index++)
	{
		switch(str[index])
		{
		case 10:
			if((current_column + 1) * font.width > this->width)
				this->width = (current_column + 1) * font.width;
			current_column = 0;
			current_line++;
			continue;

		case 32:
			current_column++;
			continue;
		}

		glm::vec4 rect{
			x + current_column * font.width,
			y + current_line * font.height,
			x + (current_column + 1) * font.width,
			y + (current_line + 1) * font.height};

		this->letters.emplace_back(font.characters.at(text[index]).sprite, rect);
		current_column++;
	}

	if((current_column + 1) * font.width > this->width)
		this->width = (current_column + 1) * font.width;
	this->height = font.height * (current_line + 1);
}

Text::Text():
	letters(0),
	x{0},
	y{0},
	width{0},
	height{0},
	z_index{4.5f}
{
}

void
Text::draw()
{
	auto &sprites_to_draw = BluCat::INT::core.vk_renderer->sprites_to_draw[
		BluCat::INT::core.vk_swapchain->current_frame];

	for(Letter &l: this->letters)
		sprites_to_draw.emplace_back(l.sprite, l.position, this->z_index);
}

}