#include "config.h"
#include <fstream>
#include <sstream>
#include <stdexcept>

Config::Config(const std::string &filepath)
{
    load(filepath);
}

void Config::load(const std::string &filepath)
{
    std::ifstream file(filepath);
    if (!file)
    {
        throw std::runtime_error("Konfigurationsdatei konnte nicht geöffnet werden.");
    }

    std::string line;
    while (std::getline(file, line))
    {
        std::istringstream iss(line);
        std::string key, value;
        if (std::getline(iss, key, '=') && std::getline(iss, value))
        {
            config_map[key] = value;
        }
    }
}

std::string Config::get(const std::string &key) const
{
    auto it = config_map.find(key);
    if (it != config_map.end())
    {
        return it->second;
    }
    throw std::runtime_error("Konfigurationsschlüssel nicht gefunden: " + key);
}