//
//  PersistenceService.swift
//  LuminateCore
//
//  Created by Brendan Szymanski on 6/10/26.
//

import Foundation

public struct AuthData: Codable, Sendable {
    public let serverURL: String
    public let token: String
    public let userId: String
    public let username: String

    public init(serverURL: String, token: String, userId: String, username: String) {
        self.serverURL = serverURL
        self.token = token
        self.userId = userId
        self.username = username
    }
}

public enum PersistenceError: Error {
    case migrationFailed(Error)
    case ioFailed(Error)
    case encodingFailed
    case decodingFailed
    case notFound
}

public protocol PersistenceService: Sendable {
    func loadAuth() async throws -> AuthData
    func saveAuth(_ auth: AuthData) async throws
    func clearAuth() async throws

    func getPreference(key: String) async throws -> String?
    func setPreference(key: String, value: String) async throws
    func clearAll() async throws
}