/*
===========================================================================
oastat - a program for parsing log files and write the result to a database
Copyright (C) 2012 Poul Sander

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see http://www.gnu.org/licenses/

Source information and contacts persons can be found at
http://code.google.com/p/oastat/
===========================================================================
*/

using namespace std;

#include "oastatstruct.h"
#include <stdlib.h>
#include <sstream>
#include <iostream>
#include <iomanip>

tm OaStatStruct::_datetime;

OaStatStruct::OaStatStruct() {
    second = 0;
    command = "";
    parameters.clear();
    restOfLine = "";
}

OaStatStruct::OaStatStruct(const OaStatStruct& orig) {
    second = orig.second;
    command = orig.command;
    parameters = orig.parameters;
    restOfLine = orig.restOfLine;
    _datetime = orig._datetime;
}

OaStatStruct::~OaStatStruct() {
}

void OaStatStruct::clear() {
    second=0;
    command = "";
    parameters.clear();
    restOfLine = "";
}

void OaStatStruct::parseLine(string line) {
    //Parse time
    //cout << line << endl;
    //try{
    string tempTimeString = line.substr(0,7);
    int posColon = tempTimeString.find(":");
    int minute = atoi(tempTimeString.substr(0,posColon).c_str());
    /*time_t thetime = time(NULL);
    gmtime_r(&thetime,&_datetime);*/
    second = atoi(tempTimeString.substr(posColon+1,7).c_str());
    second+=minute*60;
    line = line.substr(7,line.length()); //Cut the first part of the string.

    //Parse command name:
    posColon = line.find(":");
    command = line.substr(0,posColon);
    try{
    line = line.substr(posColon+2,line.length()); //Also remove the colon and the first space after it (+2)

    posColon = line.find_first_not_of(" -0123456789"); //First non-number or space
    stringstream ss;
    ss << line.substr(0,posColon);
    int counter = 0; //to ensure that we don't go on forever
    while(ss && counter++<10) {
        int value;
        ss >> value;
        parameters.push_back(value);
    }
    

    if(line.at(posColon) == ':'){
        posColon++; //There is some inconsistensy about then there is a colon here
        if(line.at(posColon) == ' ')
            posColon++; //If there is a colon there is likely a space
    }
    line = line.substr(posColon,line.length());
    } catch(...) {
        //The last part does not always exist... ignore it
        restOfLine = "";
        return;
    }


    restOfLine = line;
}

void makeLower(string &x) {
    for(int i=0; i<x.length();i++) {
        if(x[i] >= 'A' && x[i] <= 'X')
            x[i] = x[i]-'A'+'a';
    }
}

map<string,string> OaStatStruct::GetInfostring(string restOfLine) {
    map<string,string> list;
    int curPos = 0, lastPos = 0;
    bool iskey = true;
    string key, value;
    if(restOfLine[0] == '\\')
        lastPos++;
    while(lastPos<restOfLine.length()) {
        curPos = restOfLine.find_first_of("\\", lastPos);
        if(curPos<0)
            curPos = restOfLine.length();
        if(iskey) {
            key = restOfLine.substr(lastPos,curPos-lastPos);
        } else {
            value = restOfLine.substr(lastPos,curPos-lastPos);
            //list.insert(pair<string,string>(key,value));
            makeLower(key);
            if(key.length()>0)
                list[key] = value;
            //cout << key << ":" << value << endl;
        }
        iskey = !iskey;
        lastPos = curPos+1;
    }
    return list;
}

map<string,string> OaStatStruct::GetInfostring() {
    return GetInfostring(restOfLine);
}

tm OaStatStruct::getDateTime() {
    return _datetime;
}

string ZeroPadNumber(int num, int size = 2)
{
    std::ostringstream ss;
    ss.clear();
    ss << setw( size ) << setfill( '0' ) << num;
    return ss.str();
}

string OaStatStruct::getTimeStamp() {
    string s;
    s = "TIMESTAMP \'" + ZeroPadNumber(_datetime.tm_year+1900,4) + "-" + ZeroPadNumber(_datetime.tm_mon+1) + "-"
            + ZeroPadNumber(_datetime.tm_mday) + " " + ZeroPadNumber(_datetime.tm_hour) + ":"
            + ZeroPadNumber(_datetime.tm_min) + ":" + ZeroPadNumber(_datetime.tm_sec) + "\'";
    return s;
}

void OaStatStruct::setTimeStamp(string timestring) {
    std::stringstream ss(timestring);
    string tmp;
    getline(ss,tmp,'-');
    _datetime.tm_year = atoi(tmp.c_str())-1900;
    getline(ss,tmp,'-');
    _datetime.tm_mon = atoi(tmp.c_str())-1;
    getline(ss,tmp,' ');
    _datetime.tm_mday = atoi(tmp.c_str());
    getline(ss,tmp,':');
    _datetime.tm_hour = atoi(tmp.c_str());
    getline(ss,tmp,':');
    _datetime.tm_min = atoi(tmp.c_str());
    getline(ss,tmp);
    _datetime.tm_sec = atoi(tmp.c_str());
}