package com.peachpasswords.ui.pairing

import androidx.activity.compose.BackHandler
import androidx.compose.material3.AlertDialog
import androidx.compose.material3.Text
import androidx.compose.material3.TextButton
import androidx.compose.runtime.Composable
import androidx.compose.ui.text.font.FontWeight
import com.peachpasswords.ui.theme.LocalPeachAccent
import com.peachpasswords.ui.theme.PeachType

enum class BackgroundSyncAction { ALLOW, MANUAL_ONLY, DISMISS }

internal fun shouldPromptForBackgroundSync(pairingSucceeded: Boolean): Boolean = pairingSucceeded

internal fun backgroundSyncChoice(action: BackgroundSyncAction): Boolean =
    action != BackgroundSyncAction.MANUAL_ONLY

@Composable
fun BackgroundSyncDialog(
    onChoice: (Boolean) -> Unit,
) {
    // Dismissal takes the recommended default so pairing cannot fall back into the broken unreachable state.
    BackHandler { onChoice(backgroundSyncChoice(BackgroundSyncAction.DISMISS)) }
    AlertDialog(
        onDismissRequest = { onChoice(backgroundSyncChoice(BackgroundSyncAction.DISMISS)) },
        title = {
            Text("Sync in the background?", fontFamily = PeachType.Display)
        },
        text = {
            Text(
                "Allow Peach to keep your devices in step in the background, even when the app isn't open. " +
                    "This keeps a small notification visible while sync is active and uses a tiny bit of battery.",
                fontFamily = PeachType.Body,
            )
        },
        confirmButton = {
            TextButton(onClick = { onChoice(backgroundSyncChoice(BackgroundSyncAction.ALLOW)) }) {
                Text(
                    "Allow background sync",
                    color = LocalPeachAccent.current,
                    fontWeight = FontWeight.Bold,
                )
            }
        },
        dismissButton = {
            TextButton(onClick = { onChoice(backgroundSyncChoice(BackgroundSyncAction.MANUAL_ONLY)) }) {
                Text("Sync manually only")
            }
        },
    )
}