/*
 * W1CounterDevice.cc
 *
 *  Created on: Oct 30, 2010
 *      Author: lamikr
 */

#include <iostream>
#include <fstream>
#include <sstream>
#include <iomanip>

#include <vector>

#include "W1CounterDevice.hh"

using namespace std;
using namespace w1;

template <class NumberDataType>
bool string_to_number(NumberDataType& result,
                 const std::string& string_param,
                 std::ios_base& (*format)(std::ios_base&))
{
	std::istringstream iss(string_param);
	return !(iss >> format >> result).fail();
}

W1CounterDevice::W1CounterDevice(int family_code_param,
				string device_id_param,
				dirent *direntry_param): W1Device(family_code_param, device_id_param, direntry_param) {
	string text;

	ifstream ifs(slave_file.c_str());
	if (ifs.is_open() == true) {
		text	= get_time() + ": device type = " + get_device_type() + ", id = " + id + ", could not read file: " + slave_file;
		cout << text << endl;
		cout << "verify that you have w1_ds2423 kernel module loaded." << endl;
		ifs.close();
	}
}

W1CounterDevice::~W1CounterDevice() {
	// TODO Auto-generated destructor stub
}

bool W1CounterDevice::is_supported_w1_family_code(int family_code) {
	bool	ret_val;

	ret_val	= false;
	switch(family_code) {
		case 0x1d:
			ret_val	= true;
			break;
	}
	return ret_val;
}

vector<double> *W1CounterDevice::get_raw_data() {
	int		pos;
	int		b_cnt;
	string		val_str;
	int		val_dbl;
	vector<double>	*ret_val;

	ret_val	= NULL;
	ifstream ifs(slave_file.c_str());
	if (ifs.is_open() == true) {
		while(getline(ifs, val_str)) {
			b_cnt	= val_str.length();
			if (b_cnt > 0) {
				pos	= val_str.find("crc=YES c=");
				if ((pos >= 0) &&
				    ((pos + 10) < b_cnt)) {
					if (ret_val == NULL) {
						ret_val	= new vector<double>();
					}
					val_str	= val_str.substr(pos + 10);
					string_to_number<int>(val_dbl, val_str, dec);
					ret_val->push_back(val_dbl);
				}
			}
		}
		ifs.close();
	}
	return ret_val;
}

string W1CounterDevice::get_unit() {
	return "";
}

string W1CounterDevice::get_device_type() {
	return "Counter Device";
}