#pragma once

#include <string>

namespace ddkit {
namespace base {

class IConfig {
public:
    virtual ~IConfig() = default;

    virtual bool hasKey(const std::string& key) const = 0;
    
    // getters which throw if the key does not exist
    virtual std::string getStringValue(const std::string& key) const = 0;
    virtual int getIntValue(const std::string& key) const = 0;
    virtual int64_t getInt64Value(const std::string& key) const = 0;
    virtual bool getBoolValue(const std::string& key) const = 0;
    
    // getters which return a default if the key does not exist
    std::string getStringValue(const std::string& key, const std::string& defaultValue) const {
        if (hasKey(key)) return getStringValue(key);
        return defaultValue;
    }

    int getIntValue(const std::string& key, int defaultValue) const {
        if (hasKey(key)) return getIntValue(key);
        return defaultValue;
    }

    int64_t getInt64Value(const std::string& key, int64_t defaultValue) const {
        if (hasKey(key)) return getInt64Value(key);
        return defaultValue;
    }

    bool getBoolValue(const std::string& key, bool defaultValue) const {
        if (hasKey(key)) return getBoolValue(key);
        return defaultValue;
    }
};

} // namespace base
} // namespace ddkit