#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::Expression>> forst_root;
    auto lex_reader = NovalSyntax::getLexReader();
    auto context = std::make_shared<ast_gen::GlobalElement>(u8"小说");

    auto time_stamp = QTime::currentTime();
    for (auto& file : source_list) {
        auto tokens = lex_reader->tokensWithin(file.canonicalFilePath());
        auto exprs_result = this->syntax_defines->parse(context, tokens);
        forst_root.append(std::get<0>(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));

    time_stamp = QTime::currentTime();
    QList<std::shared_ptr<ast_gen::SyntaxElement>> docs_node;
    for (auto &it : forst_root) {
        auto xitem = std::dynamic_pointer_cast<const ast_gen::SyntaxElement>(it);
        docs_node.append(std::const_pointer_cast<ast_gen::SyntaxElement>(xitem));
        context->addChild(docs_node.last());
    }

    auto x_root = NovalSyntax::tidy(context, docs_node);
    auto novel_accesstree = std::make_shared<ast_gen::ElementAccess>(x_root);
    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);
}