#include <iostream>
#include <fstream>
#include "../src/headers.h"

using namespace CppJieba;


void testKeyWordExt(const char * dictPath, const char * filePath)
{
	KeyWordExt ext;
	if(!ext.init(dictPath, "../dicts/stopwords.gbk.v1.0"))
	{
		return;
	}

	ifstream ifile(filePath);
	vector<KeyWordInfo> res;
	string line;
	while(getline(ifile, line))
	{
		res.clear();
		if(!line.empty())
		{
			ext.extract(line, res, 20);
			cout<<line<<'\n'<<joinWordInfos(res)<<endl;
		}

	}
	ext.dispose();
}

const char * const DEFAULT_DICTPATH = "../dicts/jieba.dict.utf8";

int main(int argc, char ** argv)
{
	if(2 > argc)
	{
		cout<<"usage: \n\t"<<argv[0]<<" [options] <filename>\n"
		    <<"options:\n"
		    <<"\t--dictpath\tIf not specified, the default is "<<DEFAULT_DICTPATH<<"\n"
		    <<"\t--encoding\tSupported encoding methods are [gbk, utf-8] for now. \n\t\t\tIf not specified, the default is utf-8.\n"
			<<"examples:\n"
			<<"\t"<<argv[0]<<" testlines.utf8 --encoding utf-8 --dictpath ../dicts/jieba.dict.utf8\n"
			<<"\t"<<argv[0]<<" testlines.gbk --encoding gbk --dictpath ../dicts/jieba.dict.gbk\n"
			<<endl;
		return -1;
	}

	ArgvContext arg(argc, argv);
	string dictPath = arg["--dictpath"];
	string encoding = arg["--encoding"];
	if("" == dictPath)
	{
		dictPath = DEFAULT_DICTPATH;
	}
	if("gbk" == encoding)
	{
		TransCode::setGbkEnc();
	}
	else
	{
		TransCode::setUtf8Enc();
	}
	
	testKeyWordExt(dictPath.c_str(), arg[1].c_str());
	return 0;
}