package net.pokeranalytics.android

import android.app.Application
import io.realm.Realm
import io.realm.RealmConfiguration
import io.realm.RealmResults
import io.realm.kotlin.where
import net.pokeranalytics.android.model.Limit
import net.pokeranalytics.android.model.realm.Bankroll
import net.pokeranalytics.android.model.realm.Game
import net.pokeranalytics.android.model.realm.Session
import net.pokeranalytics.android.model.utils.Seed
import net.pokeranalytics.android.util.PokerAnalyticsLogs
import timber.log.Timber
import java.util.*


class PokerAnalyticsApplication : Application() {

	var sessions: RealmResults<Session>? = null

//    private val listener: OrderedRealmCollectionChangeListener<RealmResults<Session>> =
//        OrderedRealmCollectionChangeListener() { realmResults: RealmResults<Session>, changeSet: OrderedCollectionChangeSet ->
//
//            if (changeSet == null) {
//                return@OrderedRealmCollectionChangeListener
//            }
//
//            val realm: Realm = Realm.getDefaultInstance()
//
//            val deletedSessions = realm.where(Session::class.java).`in`("id", changeSet.deletions.toTypedArray()).findAll()
//            deletedSessions.forEach { it.cleanup() }
//
//    }

	override fun onCreate() {
		super.onCreate()

		// Realm
		Realm.init(this)
		val realmConfiguration = RealmConfiguration.Builder()
			.name(Realm.DEFAULT_REALM_NAME)
			.deleteRealmIfMigrationNeeded()
			.initialData(Seed(this))
			.build()
		Realm.setDefaultConfiguration(realmConfiguration)

		val realm: Realm = Realm.getDefaultInstance()
		// Add observer on session time frame changes
		this.sessions = realm.where(Session::class.java).findAll() // monitor session deletions
//		this.endedSessions?.addChangeListener { _, changeSet ->
		/*
		val deletedSessions =
			realm.where(Session::class.java).`in`("id", changeSet.deletions.toTypedArray()).findAll()
		deletedSessions.forEach { it.cleanup() }
		*/
//		}

		if (BuildConfig.DEBUG) {
			// Logs
			Timber.plant(PokerAnalyticsLogs())
		} else {
			//Fabric.with(this, Crashlytics())
		}

		if (BuildConfig.DEBUG) {
			this.createFakeSessions() // debug
		}

	}

	private fun createFakeSessions() {

		val buyinList = arrayListOf(100.0, 200.0, 300.0, 500.0, 1000.0, 2000.0)
		val resultsList = arrayListOf(
			-2500.0, -2000.0, -1500.0, -1000.0, -500.0, 200.0, 1000.0, 1500.0, 2500.0
		)

		val commitFrequency = 100

		Thread() {

			try {

				val realm = Realm.getDefaultInstance()
				val games = realm.where<Game>().findAll()
				val bankroll = realm.where<Bankroll>().findAll().firstOrNull()

				// Test endedSessions
				val sessions = realm.where<Session>().findAll()
				if (sessions.size < 10) {

					val numberOfSessions = 100
					Timber.d("*** Start creating ${numberOfSessions} fake sessions...")

					val s = Date()

					realm.beginTransaction()

					for (index in 0..numberOfSessions) {

						if (index % commitFrequency == 0) {
							Timber.d("****** committing at ${index} sessions...")
							realm.commitTransaction()
							realm.beginTransaction()
						}

						val session = Session.newInstance(realm, false, bankroll)

						val calendar = Calendar.getInstance()
						calendar.set(
							(2016..2018).random(),
							(0..11).random(),
							(0..28).random(),
							(0..23).random(),
							(0..59).random()
						)

						val startDate = calendar.time
						calendar.add(Calendar.HOUR_OF_DAY, (2..12).random())
						calendar.add(Calendar.MINUTE, (0..59).random())
						val endDate = calendar.time

						session.startDate = startDate
						session.endDate = endDate
						session.creationDate = startDate

						session.limit = Limit.values().random().ordinal
						session.game = games.random()

						session.result?.let { result ->
							result.buyin = buyinList.random()
							result.netResult = resultsList.random()
						}

					}

					realm.commitTransaction()

					val e = Date()
					val duration = (e.time - s.time) / 1000.0
					Timber.d("*** ended in ${duration} seconds")

				}

				realm.close()

			} catch (e: Exception) {
				Timber.e(e)
			}

		}.start()

	}

}