/*
    ptrnt - print labels on linux
    Copyright (C) 2025  Moritz Martinius

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.

 */

#pragma once

#include <memory>
#include <string>
#include <vector>

#include "interface/ILabel.hpp"
#include "interface/ILabelBuilder.hpp"

namespace ptprnt::graphics {

/**
 * @brief Concrete implementation of ILabelBuilder
 *
 * Builds labels by accumulating text segments with formatting options,
 * then creates a Label instance with all the collected content.
 */
class LabelBuilder : public ILabelBuilder {
   public:
    /**
     * @brief Construct a LabelBuilder for a specific printer height
     * @param printerHeight Height of the printer in pixels (tape width)
     */
    explicit LabelBuilder(int printerHeight);

    ~LabelBuilder() override = default;

    ILabelBuilder& addText(const std::string& text) override;
    ILabelBuilder& setFontFamily(const std::string& fontFamily) override;
    ILabelBuilder& setFontSize(double fontSize) override;
    ILabelBuilder& setHAlign(HAlignPosition hAlign) override;
    ILabelBuilder& setVAlign(VAlignPosition vAlign) override;
    std::unique_ptr<ILabel> build() override;
    ILabelBuilder& reset() override;

   private:
    int mPrinterHeight;
    std::string mAccumulatedText;
    std::string mCurrentFontFamily{DEFAULT_FONT_FAMILY};
    double mCurrentFontSize{DEFAULT_FONT_SIZE};
    HAlignPosition mCurrentHAlign{HAlignPosition::LEFT};
    VAlignPosition mCurrentVAlign{VAlignPosition::MIDDLE};
};

}  // namespace ptprnt::graphics