import Foundation

protocol TokenStore: AnyObject {
    var jwt: String? { get set }
    func clear()
}

final class DefaultTokenStore: TokenStore {
    private let key = "auth_jwt"
    private let serviceName = "com.br.pedifoods.app.auth"
    private let defaults = UserDefaults.standard

    var jwt: String? {
        get {
#if os(iOS)
            if let keychainValue = KeychainStore.load(service: serviceName, key: key) {
                return keychainValue
            }
#endif
            return defaults.string(forKey: key)
        }
        set {
#if os(iOS)
            if let newValue {
                KeychainStore.save(newValue, service: serviceName, key: key)
            } else {
                KeychainStore.delete(service: serviceName, key: key)
            }
#endif
            defaults.set(newValue, forKey: key)
        }
    }

    func clear() {
#if os(iOS)
        KeychainStore.delete(service: serviceName, key: key)
#endif
        defaults.removeObject(forKey: key)
    }
}