//
//  TrackFinder.cpp
//  DB_Track
//
//  Created by Baranyai David on 2018. 06. 05..
//

#include "TrackFinder.hpp"
#include <iostream>

TrackFinder::TrackFinder()
{
    try
    {
        file.open("data.txt");
        if(!file.is_open())
        {
            throw "File opening error";
        }
        getline(file, line);
        std::istringstream is(line);
        for(int i = 0; i < 4; i++)
        {
            is >> line_data[i];
        }
        ch_id_1 = line_data[0];
        sec_1 = line_data[1];
        nsec_1 = line_data[2];
        amp_1 = line_data[3];
        
        ch_id.push_back(ch_id_1);
        sec.push_back(sec_1);
        nsec.push_back(nsec_1);
        amp.push_back(amp_1);
    }
    catch(char param)
    {
        std::cout << param << std::endl;
    }
}

TrackFinder::~TrackFinder()
{
    file.close();
}

bool TrackFinder::FindTrack()
{
    ch_id.erase(ch_id.begin(), ch_id.end());
    sec.erase(sec.begin(), sec.end());
    nsec.erase(nsec.begin(), nsec.end());
    amp.erase(amp.begin(), amp.end());
    while(1)
    {
        getline(file, line);
        std::istringstream is(line);
        for(int i = 0; i < 4; i++)
        {
            is >> line_data[i];
        }
        long old = ((line_data[1]*1000000)+line_data[2]);
        long nw = ((sec_1*1000000)+nsec_1);
        if( old - nw < interval)
        {
            ch_id_1 = line_data[0];
            sec_1 = line_data[1];
            nsec_1 = line_data[2];
            amp_1 = line_data[3];
            
            ch_id.push_back(ch_id_1);
            sec.push_back(sec_1);
            nsec.push_back(nsec_1);
            amp.push_back(amp_1);
        }
        else if(ch_id.size() < 4) //ha négynél kevesebb szál szólalt meg
        {
            ch_id_1 = line_data[0];
            sec_1 = line_data[1];
            nsec_1 = line_data[2];
            amp_1 = line_data[3];
            
            ch_id.erase(ch_id.begin(), ch_id.end());
            sec.erase(sec.begin(), sec.end());
            nsec.erase(nsec.begin(), nsec.end());
            amp.erase(amp.begin(), amp.end());
            
            ch_id.push_back(ch_id_1);
            sec.push_back(sec_1);
            nsec.push_back(nsec_1);
            amp.push_back(amp_1);
        }
        else if(ch_id.size() >= 4)
        {
            istrackavailable = true;
            return true;
        }
    }
}

void TrackFinder::GetTrack(std::vector<int> &ch, std::vector<int> &s, std::vector<int> &ns, std::vector<int> &a)
{
    if(istrackavailable)
    {
        ch = ch_id;
        s = sec;
        ns = nsec;
        a = amp;
    }
}