/*
    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/>.

 */

#include "LabelBuilder.hpp"

#include <spdlog/spdlog.h>

#include "Label.hpp"

namespace ptprnt::graphics {

LabelBuilder::LabelBuilder(int printerHeight) : mPrinterHeight(printerHeight) {
    reset();
}

ILabelBuilder& LabelBuilder::addText(const std::string& text) {
    if (!text.empty()) {
        if (!mAccumulatedText.empty()) {
            // Add a newline if the label already has some text accumulated
            mAccumulatedText += '\n';
        }
        mAccumulatedText += text;
        spdlog::debug("LabelBuilder: Added text '{}', total length: {}", text, mAccumulatedText.length());
    }
    return *this;
}

ILabelBuilder& LabelBuilder::setFontFamily(const std::string& fontFamily) {
    mCurrentFontFamily = fontFamily;
    spdlog::debug("LabelBuilder: Set font family to '{}'", fontFamily);
    return *this;
}

ILabelBuilder& LabelBuilder::setFontSize(double fontSize) {
    mCurrentFontSize = fontSize;
    spdlog::debug("LabelBuilder: Set font size to {}", fontSize);
    return *this;
}

ILabelBuilder& LabelBuilder::setHAlign(HAlignPosition hAlign) {
    mCurrentHAlign = hAlign;
    spdlog::debug("LabelBuilder: Set horizontal alignment to {}", static_cast<int>(hAlign));
    return *this;
}

ILabelBuilder& LabelBuilder::setVAlign(VAlignPosition vAlign) {
    mCurrentVAlign = vAlign;
    spdlog::debug("LabelBuilder: Set vertical alignment to {}", static_cast<int>(vAlign));
    return *this;
}

std::unique_ptr<ILabel> LabelBuilder::build() {
    spdlog::debug("LabelBuilder: Building label with text: '{}'", mAccumulatedText);

    auto label = std::make_unique<Label>(mPrinterHeight);

    // Apply current formatting settings
    label->setFontFamily(mCurrentFontFamily);
    label->setFontSize(mCurrentFontSize);
    label->setHAlign(mCurrentHAlign);
    label->setVAlign(mCurrentVAlign);

    // Create the label with accumulated text
    label->create(mAccumulatedText);

    return label;
}

ILabelBuilder& LabelBuilder::reset() {
    mAccumulatedText.clear();
    mCurrentFontFamily = DEFAULT_FONT_FAMILY;
    mCurrentFontSize   = DEFAULT_FONT_SIZE;
    mCurrentHAlign     = HAlignPosition::LEFT;
    mCurrentVAlign     = VAlignPosition::MIDDLE;
    spdlog::debug("LabelBuilder: Reset to default state");
    return *this;
}

}  // namespace ptprnt::graphics