//
//  KeychainHelper.swift
//  Runner
//
//  Created by Hamza Aleghwairyeen on 12/03/2025.
//

import Foundation
import Security

class KeychainHelper {
    static let shared = KeychainHelper()

    private init() {}

    // حفظ البيانات في Keychain
    func save(key: String, value: String) {
        let data = value.data(using: .utf8)!

        let query: [String: Any] = [
            kSecClass as String: kSecClassGenericPassword,
            kSecAttrAccount as String: key,
            kSecValueData as String: data,
            kSecAttrAccessible as String: kSecAttrAccessibleWhenUnlockedThisDeviceOnly
        ]

        SecItemDelete(query as CFDictionary) // حذف أي قيمة قديمة بنفس المفتاح
        SecItemAdd(query as CFDictionary, nil) // إضافة القيمة الجديدة
    }

    // استرجاع البيانات من Keychain
    func get(key: String) -> String? {
        let query: [String: Any] = [
            kSecClass as String: kSecClassGenericPassword,
            kSecAttrAccount as String: key,
            kSecReturnData as String: kCFBooleanTrue!,
            kSecMatchLimit as String: kSecMatchLimitOne
        ]

        var dataTypeRef: AnyObject?
        let status = SecItemCopyMatching(query as CFDictionary, &dataTypeRef)

        guard status == errSecSuccess, let data = dataTypeRef as? Data else {
            return nil
        }

        return String(data: data, encoding: .utf8)
    }

    // حذف البيانات من Keychain
    func delete(key: String) {
        let query: [String: Any] = [
            kSecClass as String: kSecClassGenericPassword,
            kSecAttrAccount as String: key
        ]

        SecItemDelete(query as CFDictionary)
    }
}