#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() {
	checker_list << std::make_shared<FragmentExistsCheck>();
	checker_list << std::make_shared<StoryOrderCheck>();
	checker_list << std::make_shared<PointGraphCheck>();
	checker_list << std::make_shared<FragmentLayerCheck>();

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

QList<std::shared_ptr<const PointGraphHelper>> NovelParser::fragmentsSorted() const {
	return std::dynamic_pointer_cast<const PointGraphCheck>(checker_list[1])->pointsSequence();
}

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

std::shared_ptr<example_novel::NGlobalElement> NovelParser::parserContext() const {
	return context;
}

std::shared_ptr<const example_novel::NGlobalElement> NovelParser::parse(const QFileInfoList source_list) const {
	const_cast<NovelParser*>(this)->context = std::make_shared<example_novel::NGlobalElement>("小说");

	auto time_stamp = QTime::currentTime();
	for (auto finfo : source_list) {
		// 载入指定文件内容
		QFile file_target(finfo.absoluteFilePath());
		if (!file_target.open(QIODevice::ReadOnly | QIODevice::Text)) {
			throw new lib_parse::CheckException(QString("DeviceError[0x00001]指定文件无法打开:%1。").arg(finfo.absoluteFilePath()));
		}
		QTextStream intext(&file_target);
		intext.setCodec("UTF-8");
		auto word_reader = std::make_shared<lib_words::WordReader>();
		auto word_head = word_reader->wordsFrom(intext, finfo.canonicalFilePath());

		// 文件语法解析
		ast_gen::SyntaxParser proc(example_novel::NovalSyntax::getSyntaxTree());
		auto rst = proc.parse(word_head);

		if (rst.first()->totalErrorCount()) {
			auto pos_mark = rst.first()->token()->position();
			for (auto item : rst)
				if (item->token()->position() == pos_mark)
					const_cast<NovelParser*>(this)->context->appendError(item->totalErrors());
			break;
		}
		else {
			proc.getAst(rst.first(), const_cast<NovelParser*>(this)->context);
		}
	}

	auto current_stamp = QTime::currentTime();
	qDebug().noquote() << QString("%词法解析+语法解析消耗时间：%1 ms。").arg(time_stamp.msecsTo(current_stamp));

	return this->context;
}

std::shared_ptr<const ast_gen::ElementAccess> NovelParser::validsApply(std::shared_ptr<const example_novel::NGlobalElement> ast_root) const {
	auto time_stamp = QTime::currentTime();

	auto access_root = std::make_shared<ast_gen::ElementAccess>(ast_root);
	auto results = analyzer_ref->validCheckWith(access_root);

	auto current_stamp = QTime::currentTime();
	qDebug().noquote() << QString("%程序校验消耗时间：%1 ms。").arg(time_stamp.msecsTo(current_stamp));
	return results;
}