keevault/KeeVault/Services/BiometricAuthService.swift

//
//  BiometricAuthService.swift
//  KeeVault
//

import LocalAuthentication
import Foundation

public final class BiometricAuthService {
    public init() {}

    public var isAvailable: Bool {
        let ctx = LAContext()
        var error: NSError?
        return ctx.canEvaluatePolicy(.deviceOwnerAuthenticationWithBiometrics, error: &error)
    }

    /// Returns true on success. On failure, throws an error with a localized message.
    public func authenticate(reason: String) async throws {
        let ctx = LAContext()
        try await ctx.evaluatePolicy(.deviceOwnerAuthenticationWithBiometrics, localizedReason: reason)
    }
}