package be.mygod.vpnhotspot

import android.annotation.SuppressLint
import android.app.Application
import android.app.UiModeManager
import android.content.ClipboardManager
import android.content.res.Configuration
import android.net.ConnectivityManager
import android.net.wifi.WifiManager
import android.os.Build
import androidx.browser.customtabs.CustomTabsIntent
import androidx.core.content.ContextCompat
import androidx.core.content.getSystemService
import androidx.core.provider.FontRequest
import androidx.emoji.text.EmojiCompat
import androidx.emoji.text.FontRequestEmojiCompatConfig
import androidx.preference.PreferenceManager
import be.mygod.vpnhotspot.net.DhcpWorkaround
import be.mygod.vpnhotspot.room.AppDatabase
import be.mygod.vpnhotspot.util.DeviceStorageApp
import be.mygod.vpnhotspot.util.RootSession
import timber.log.Timber
import java.util.*

class App : Application() {
    companion object {
        @SuppressLint("StaticFieldLeak")
        lateinit var app: App
    }

    override fun onCreate() {
        super.onCreate()
        app = this
        if (Build.VERSION.SDK_INT >= 24) {
            deviceStorage = DeviceStorageApp(this)
            // alternative to PreferenceManager.getDefaultSharedPreferencesName(this)
            deviceStorage.moveSharedPreferencesFrom(this, PreferenceManager(this).sharedPreferencesName)
            deviceStorage.moveDatabaseFrom(this, AppDatabase.DB_NAME)
        } else deviceStorage = this
        DebugHelper.init()
        ServiceNotification.updateNotificationChannels()
        EmojiCompat.init(FontRequestEmojiCompatConfig(deviceStorage, FontRequest(
                "com.google.android.gms.fonts",
                "com.google.android.gms",
                "Noto Color Emoji Compat",
                R.array.com_google_android_gms_fonts_certs)).apply {
            setEmojiSpanIndicatorEnabled(BuildConfig.DEBUG)
            registerInitCallback(object : EmojiCompat.InitCallback() {
                override fun onInitialized() = DebugHelper.log("EmojiCompat", "Initialized")
                override fun onFailed(throwable: Throwable?) = Timber.d(throwable)
            })
        })
        if (DhcpWorkaround.shouldEnable) DhcpWorkaround.enable(true)
    }

    override fun onConfigurationChanged(newConfig: Configuration) {
        super.onConfigurationChanged(newConfig)
        ServiceNotification.updateNotificationChannels()
    }

    override fun onTrimMemory(level: Int) {
        super.onTrimMemory(level)
        if (level >= TRIM_MEMORY_RUNNING_CRITICAL) RootSession.trimMemory()
    }

    lateinit var deviceStorage: Application
    val english by lazy {
        createConfigurationContext(Configuration(resources.configuration).apply {
            setLocale(Locale.ENGLISH)
        })
    }
    val pref by lazy { PreferenceManager.getDefaultSharedPreferences(deviceStorage) }
    val connectivity by lazy { getSystemService<ConnectivityManager>()!! }
    val clipboard by lazy { getSystemService<ClipboardManager>()!! }
    val uiMode by lazy { getSystemService<UiModeManager>()!! }
    val wifi by lazy { getSystemService<WifiManager>()!! }

    val hasTouch by lazy { packageManager.hasSystemFeature("android.hardware.faketouch") }
    val customTabsIntent by lazy {
        CustomTabsIntent.Builder()
                .setToolbarColor(ContextCompat.getColor(this, R.color.colorPrimary))
                .build()
    }
}