/*  
 * InfiniPaint
 * Copyright (C) 2025-2026 Yousef Khadadeh
 *
 * 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 "SvgResourceDisplay.hpp"
#include "../MainProgram.hpp"
#include <Helpers/Logger.hpp>
#include <include/core/SkStream.h>
#include <modules/svg/include/SkSVGRenderContext.h>

bool SvgResourceDisplay::update_draw() const {
    return mustUpdateDraw;
}

void SvgResourceDisplay::update(World& w) {
    mustUpdateDraw = false;
}

bool SvgResourceDisplay::load(ResourceManager& rMan, const std::string& fileName, const std::shared_ptr<std::string>& fileData) {
    SkMemoryStream strm(fileData->c_str(), fileData->size());
    svgDom = SkSVGDOM::Builder().make(strm);

    mustUpdateDraw = true;

    if(!svgDom)
        return false;

    svgRootSize = svgDom->containerSize();

    if(svgRootSize.width() == 0 || svgRootSize.height() == 0) {
        svgDom->setContainerSize({1000, 1000});
        svgRootSize = svgDom->containerSize();
    }

    if(svgRootSize.width() == 0 || svgRootSize.height() == 0)
        return false;

    return true;
}

void SvgResourceDisplay::draw(SkCanvas* canvas, const DrawData& drawData, const SkRect& imRect) {
    canvas->save();
    canvas->clipRect(imRect);
    canvas->translate(imRect.x(), imRect.y());
    canvas->scale(imRect.width() / svgRootSize.width(), imRect.height() / svgRootSize.height());
    svgDom->render(canvas);
    canvas->restore();
}

Vector2f SvgResourceDisplay::get_dimensions() const {
    return {svgRootSize.width(), svgRootSize.height()};
}

float SvgResourceDisplay::get_dimension_scale() const {
    return 0.3f;
}

ResourceDisplay::Type SvgResourceDisplay::get_type() const {
    return ResourceDisplay::Type::SVG;
}