//
//  LanguageRepository.swift
//  SodaLive
//
//  Created by Junie (AI) on 2025/12/16.
//

import Foundation

protocol LanguageRepository {
    func load() async throws -> LanguageOption?
    func save(_ option: LanguageOption) async throws
}

final class UserDefaultsLanguageRepository: LanguageRepository {
    private let key = "app.language"

    func load() async throws -> LanguageOption? {
        try Task.checkCancellation()
        return await withCheckedContinuation { cont in
            let value = UserDefaults.standard.string(forKey: key)
            cont.resume(returning: value.flatMap { LanguageOption(rawValue: $0) })
        }
    }

    func save(_ option: LanguageOption) async throws {
        try Task.checkCancellation()
        return await withCheckedContinuation { cont in
            UserDefaults.standard.set(option.rawValue, forKey: key)
            cont.resume()
        }
    }
}