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package dk.ilios.jervis.ui

import androidx.compose.foundation.background
import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.foundation.layout.padding
import androidx.compose.material.Text
import androidx.compose.runtime.Composable
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier

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// BAD: Store a global managed object
MyApp.GLOBAL_OBJECT = realm.objects(Person::class).first()

// BETTER: Copy data out into an unmanaged object
val person = realm.objects(Person::class).first()
MyApp.GLOBAL_OBJECT = Person(person.name)

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// A write can now happen between two queries
val results1: RealmResults<Person> = realm.objects(Person::class)
val results2: RealmResults<Person> = realm.objects(Person::class)

// Resulting in subsequent queries not returning the same result
results1.version() != results2.version()
results1.size != results2.size

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val jane = getJane()
CoroutineScope(Dispatchers.Main).launch {

   // Run mapping/transform logic in the background
   val flow: Flow<String> = jane.observe()
       .filter { it.name.startsWith("Jane") }
       .flowOn(Dispatchers.Unconfined)

   // Before collecting on the UI thread
   flow.collect {

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val jane = getJane()
CoroutineScope(Dispatchers.Main).launch {
   // Updates are observed using Kotlin Flow
   val flow: Flow<Person> = jane.observe()
   flow.collect {
       // Listen to changes to the object
       println(it.name)
   }
}

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CoroutineScope(Dispatchers.Main).launch {
   // Create initial object   
   val jane = realm.write {
       copyToRealm(Person("Jane"))
   }
  
   realm.write {
       // Find latest version and update it
       // Note, this always involves a null-check
       // as another thread might have deleted the