/*

 * Copyright (c) 2021, Peter Elliott <pelliott@serenityos.org>

 *

 * SPDX-License-Identifier: BSD-2-Clause

 */

#include <AK/StringBuilder.h>

#include <AK/Vector.h>

#include <LibMarkdown/BlockQuote.h>

#include <LibMarkdown/Visitor.h>

namespace Markdown {

ByteString BlockQuote::render_to_html(bool) const

{

    StringBuilder builder;

    builder.append("<blockquote>\n"sv);

    builder.append(m_contents->render_to_html());

    builder.append("</blockquote>\n"sv);

    return builder.to_byte_string();

}

Vector<ByteString> BlockQuote::render_lines_for_terminal(size_t view_width) const

{

    Vector<ByteString> lines;

    size_t child_width = view_width < 4 ? 0 : view_width - 4;

    for (auto& line : m_contents->render_lines_for_terminal(child_width))

        lines.append(ByteString::formatted("    {}", line));

    return lines;

}

RecursionDecision BlockQuote::walk(Visitor& visitor) const

{

    RecursionDecision rd = visitor.visit(*this);

    if (rd != RecursionDecision::Recurse)

        return rd;

    return m_contents->walk(visitor);

}

OwnPtr<BlockQuote> BlockQuote::parse(LineIterator& lines)

{

    lines.push_context(LineIterator::Context::block_quote());

    if (lines.is_end()) {

        lines.pop_context();

        return {};

    }

    auto contents = ContainerBlock::parse(lines);

    lines.pop_context();

    if (!contents)

        return {};

    return make<BlockQuote>(move(contents));

}

}