import Foundation

enum MVDefaultsKey: String {
    case requestToken = "defaultsRequestToken"
}

/// The class that has multiple class functions for handling defaults.
/// Also has the helper class functions for handling auth tokens.
class MVDefaults {

    // MARK: - Functions

    /// Stores token.
    class func store<T: Encodable>(_ object: T, key: MVDefaultsKey) {
        let encoder = JSONEncoder()
        let encoded = try? encoder.encode(object)
        UserDefaults.standard.set(encoded, forKey: key.rawValue)
    }

    /// Removes the stored token
    class func removeDefaultsWithKey(_ key: MVDefaultsKey) {
        UserDefaults.standard.removeObject(forKey: key.rawValue)
    }

    /// Returns stored token (optional) if any.
    class func getObjectWithKey<T: Decodable>(_ key: MVDefaultsKey, type: T.Type) -> T? {
        guard let savedData = UserDefaults.standard.data(forKey: key.rawValue) else {
            return nil
        }

        let object = try? JSONDecoder().decode(type, from: savedData)

        return object
    }
}