#include "novelparser.h"

#include <syntax_novel.h>
#include <ast_novel.h>
#include <parse_novel.h>
#include <QTime>
#include <QDebug>

using namespace example_novel;

NovelParser::NovelParser()
{
    this->syntax_defines = example_novel::NovalSyntax::getParseTree();
    checker_list << std::make_shared<example_novel::FragmentExistsCheck>();
    checker_list << std::make_shared<example_novel::FragmentGraphCheck>();

    analyzer_ref = std::make_shared<lib_parse::Analyzer>(checker_list);
}

QString NovelParser::version() const
{
    return "1.0.0";
}

std::shared_ptr<const ast_gen::ElementAccess> NovelParser::parse(const QFileInfoList source_list) const {
    QList<std::shared_ptr<const ast_basic::TokenNode>> forst_root;
    auto lex_reader = NovalSyntax::getLexReader();

    auto time_stamp = QTime::currentTime();
    for (auto& file : source_list) {
        auto tokens = lex_reader->extractFrom(file.canonicalFilePath());
        auto exprs_result = std::make_shared<lib_syntax::ExprsChecker>(this->syntax_defines)->parseFrom(tokens);
        forst_root.append(exprs_result);
    }
    auto current_stamp = QTime::currentTime();
    qDebug() << QString(u8"词法解析+语法解析消耗时间：%1 ms。").arg(time_stamp.msecsTo(current_stamp));


    std::function<QList<std::shared_ptr<const ast_basic::ExprNode>>(QList<std::shared_ptr<const ast_basic::TokenNode>> input)> summary =
        [&](QList<std::shared_ptr<const ast_basic::TokenNode>> input) -> QList<std::shared_ptr<const ast_basic::ExprNode>> {
        QList<std::shared_ptr<const ast_basic::ExprNode>> temp;

        if (input.size()) {
            auto item = std::dynamic_pointer_cast<const ast_basic::ExprNode>(input.first());
            temp << item;
            temp.append(summary(input.mid(1)));
        }

        return temp;
    };

    time_stamp = QTime::currentTime();
    auto tree_visit = std::make_shared<example_novel::NovelExprsVisitor>();
    auto vinst = std::make_shared<ast_gen::ExprTreeParser>(tree_visit);
    auto resultx = vinst->parse("test", summary(forst_root));
    auto novel_accesstree = vinst->tidy(resultx);
    current_stamp = QTime::currentTime();
    qDebug() << QString(u8"程序结构重建消耗时间：%1 ms。").arg(time_stamp.msecsTo(current_stamp));

    return analyzer_ref->validCheckWith(novel_accesstree);
}