#if canImport(UIKit)
import UIKit
#endif
import Foundation

enum DeviceInfoProvider {

    static func getDeviceId(store: LicenseStore) -> String {
        if let existing = store.deviceId { return existing }
        #if canImport(UIKit)
        let id = UIDevice.current.identifierForVendor?.uuidString ?? UUID().uuidString
        #else
        let id = UUID().uuidString
        #endif
        store.deviceId = id
        return id
    }

    static func getDeviceName() -> String {
        #if canImport(UIKit)
        return UIDevice.current.name
        #else
        return Host.current().localizedName ?? "Mac"
        #endif
    }

    static func getDeviceModel() -> String {
        #if canImport(UIKit)
        return UIDevice.current.model
        #else
        return "Mac"
        #endif
    }

    static func getDeviceVendor() -> String { "Apple" }

    static func getOsVersion() -> String {
        #if canImport(UIKit)
        return "iOS \(UIDevice.current.systemVersion)"
        #else
        let v = ProcessInfo.processInfo.operatingSystemVersion
        return "macOS \(v.majorVersion).\(v.minorVersion).\(v.patchVersion)"
        #endif
    }
}