// SystemProperties.swift
// System property utilities
// Corresponds to SystemProperties.kt in Android implementation

import Foundation
import UIKit

public class SystemProperties {
    private static let TAG = "SystemProperties"
    
    // Read system property from UserDefaults
    public static func read(propName: String) -> String {
        let value = UserDefaults.standard.string(forKey: propName) ?? ""
        Logger.i(tag: TAG, message: "read System Property: \(propName)=\(value)")
        return value
    }
    
    // Write system property to UserDefaults
    public static func write(propName: String, value: String) {
        UserDefaults.standard.set(value, forKey: propName)
        UserDefaults.standard.synchronize()
        Logger.i(tag: TAG, message: "write System Property: \(propName)=\(value)")
    }
    
    // Get device information
    public static func getDeviceInfo() -> [String: String] {
        var systemInfo = utsname()
        uname(&systemInfo)
        let machineMirror = Mirror(reflecting: systemInfo.machine)
        let identifier = machineMirror.children.reduce("") { identifier, element in
            guard let value = element.value as? Int8, value != 0 else { return identifier }
            return identifier + String(UnicodeScalar(UInt8(value)))
        }
        
        return [
            "model": identifier,
            "os_version": UIDevice.current.systemVersion,
            "device_name": UIDevice.current.name,
            "device_model": UIDevice.current.model,
            "system_name": UIDevice.current.systemName
        ]
    }
    
    // Get app information
    public static func getAppInfo() -> [String: String] {
        let bundle = Bundle.main
        let appVersion = bundle.infoDictionary?["CFBundleShortVersionString"] as? String ?? "Unknown"
        let buildNumber = bundle.infoDictionary?["CFBundleVersion"] as? String ?? "Unknown"
        let bundleId = bundle.bundleIdentifier ?? "Unknown"
        
        return [
            "app_version": appVersion,
            "build_number": buildNumber,
            "bundle_id": bundleId
        ]
    }
}