#include "novelparser.h"

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

using namespace example_novel;
using namespace lib_parse;

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

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

QList<std::shared_ptr<const FragmentGraphHelper>> NovelParser::fragmentsSorted() const
{
    return std::dynamic_pointer_cast<const FragmentGraphCheck>(checker_list[1])->fragmentsSequence();
}

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 word_reader = std::make_shared<lib_token::WordReader>();
    auto context = std::make_shared<ast_gen::GlobalElement>(u8"小说");

    auto time_stamp = QTime::currentTime();
    for (auto& file : source_list) {
        context->setCurrentFile(file.canonicalFilePath());
        auto words = word_reader->wordsFrom(file.canonicalFilePath());
        auto exprs_result = this->syntax_defines->parse(context, words);
        forst_root.append(std::get<0>(exprs_result));
    }
    auto current_stamp = QTime::currentTime();
    qDebug().noquote() << 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().noquote() << 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);
}