//
//  Keychain.swift
//  K12NET App
//
//  Created by Ilhami Sisnelioglu on 27.10.2025.
//


import Security
import Foundation

enum Keychain {
    static func set(_ value: String, for key: String){
        let data = Data(value.utf8)
        let query: [String: Any] = [
            kSecClass as String: kSecClassGenericPassword,
            kSecAttrAccount as String: key,
            kSecValueData as String: data,
            kSecAttrAccessible as String: kSecAttrAccessibleAfterFirstUnlock
        ]
        SecItemDelete(query as CFDictionary)
        SecItemAdd(query as CFDictionary, nil)
    }

    static func get(_ key: String) -> String? {
        let query: [String: Any] = [
            kSecClass as String: kSecClassGenericPassword,
            kSecAttrAccount as String: key,
            kSecReturnData as String: true,
            kSecMatchLimit as String: kSecMatchLimitOne
        ]
        var item: CFTypeRef?
        guard SecItemCopyMatching(query as CFDictionary, &item) == errSecSuccess,
              let data = item as? Data,
              let str  = String(data: data, encoding: .utf8) else { return nil }
        return str
    }

    static func remove(_ key: String) { 
        SecItemDelete([kSecClass as String: kSecClassGenericPassword,
                       kSecAttrAccount as String: key] as CFDictionary)
    }
}