package com.bigcrunch.ads.internal

import android.content.Context
import android.os.Build
import android.provider.Settings
import android.telephony.TelephonyManager
import android.util.DisplayMetrics
import com.bigcrunch.ads.models.DeviceData
import java.util.*

/**
 * Helper class to get device information
 */
internal object DeviceHelper {

    fun getDeviceData(context: Context): DeviceData {
        val displayMetrics = context.resources.displayMetrics
        val telephonyManager = context.getSystemService(Context.TELEPHONY_SERVICE) as? TelephonyManager

        return DeviceData(
            deviceId = getDeviceId(context),
            deviceModel = "${Build.MANUFACTURER} ${Build.MODEL}",
            osVersion = Build.VERSION.RELEASE,
            appVersion = getAppVersion(context),
            screenWidth = displayMetrics.widthPixels,
            screenHeight = displayMetrics.heightPixels,
            language = Locale.getDefault().language,
            country = Locale.getDefault().country,
            carrier = telephonyManager?.networkOperatorName,
            networkType = getNetworkType(context),
            isTablet = isTablet(context)
        )
    }

    private fun getDeviceId(context: Context): String {
        return Settings.Secure.getString(context.contentResolver, Settings.Secure.ANDROID_ID) ?: "unknown"
    }

    private fun getAppVersion(context: Context): String {
        return try {
            val packageInfo = context.packageManager.getPackageInfo(context.packageName, 0)
            packageInfo.versionName ?: "unknown"
        } catch (e: Exception) {
            "unknown"
        }
    }

    private fun getNetworkType(context: Context): String? {
        // TODO: Implement network type detection
        return "unknown"
    }

    private fun isTablet(context: Context): Boolean {
        val displayMetrics = context.resources.displayMetrics
        val widthDp = displayMetrics.widthPixels / displayMetrics.density
        val heightDp = displayMetrics.heightPixels / displayMetrics.density
        val screenSize = Math.sqrt((widthDp * widthDp + heightDp * heightDp).toDouble())
        return screenSize >= 600
    }
}