#include <iostream>
#include <fstream>
#include <stdexcept>
#include <string>
#include <vector>
#include <sstream>
#include <utility>
#include <deviceManager/deviceSpecParser.h>

std::vector<std::string> readDeviceFile(const std::string& filename)
{
    std::vector<std::string> deviceStrings;
std::cerr <<"Here in readDeviceFile" << std::endl;
    std::ifstream file(filename);
std::cerr <<"Here in readDeviceFile after opening ifstream" << std::endl;
    if (!file.is_open()) {
        throw std::runtime_error("Could not open device file: " + filename);
    }

    std::string line;
    while (std::getline(file, line)) {
        if (!line.empty()) {
            deviceStrings.push_back(line);
        }
    }

    return deviceStrings;
}

std::vector<std::pair<std::string, std::string>> parseDeviceSpecifiers(
    const std::vector<std::string>& deviceStrings)
{
    std::vector<std::pair<std::string, std::string>> deviceSpecifiers;
    for (const auto& deviceString : deviceStrings) {
        auto pos = deviceString.find(':');
        if (pos != std::string::npos) {
            std::string deviceName = deviceString.substr(0, pos);
            std::string deviceSpec = deviceString.substr(pos + 1);
            deviceSpecifiers.emplace_back(deviceName, deviceSpec);
        } else {
            throw std::invalid_argument("Invalid device specifier: " + 
                                        deviceString);
        }
    }
    return deviceSpecifiers;
}