// text_renderer.cpp - Implementació del renderitzador de text
// © 2025 Port a C++20 amb SDL3

#include "text_renderer.hpp"
#include "../core/graphics/shape_loader.hpp"
#include "../core/rendering/shape_renderer.hpp"
#include <iostream>

namespace Utils {

void TextRenderer::render(SDL_Renderer* renderer,
                         const std::string& text,
                         int x, int y,
                         int spacing) {
    int current_x = x;

    for (char c : text) {
        std::string filename = get_char_filename(c);
        auto shape = Graphics::ShapeLoader::load("font/" + filename);

        if (shape && shape->es_valida()) {
            Punt pos = {current_x, y};
            Rendering::render_shape(renderer, shape, pos, 0.0f, 1.0f, true, 1.0f);
        }

        current_x += spacing;
    }
}

int TextRenderer::calculate_width(const std::string& text, int spacing) {
    return static_cast<int>(text.length()) * spacing;
}

std::string TextRenderer::get_char_filename(char c) {
    // Números 0-9
    if (c >= '0' && c <= '9')
        return std::string("char_") + c + ".shp";

    // Letras A-Z (mayúsculas)
    if (c >= 'A' && c <= 'Z')
        return std::string("char_") + c + ".shp";

    // Convertir minúsculas a mayúsculas
    if (c >= 'a' && c <= 'z')
        return std::string("char_") + char(c - 32) + ".shp";

    // Caracteres especiales
    switch (c) {
        case ':': return "char_colon.shp";
        case '.': return "char_dot.shp";
        case '-': return "char_minus.shp";
        case ',': return "char_comma.shp";
        case '!': return "char_exclamation.shp";
        case '?': return "char_question.shp";
        case ' ': return "char_space.shp";
        default:  return "char_question.shp";  // Fallback
    }
}

} // namespace Utils