package no.naiv.meddetsamme.alarm

import android.content.BroadcastReceiver
import android.content.Context
import android.content.Intent
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.launch
import no.naiv.meddetsamme.domain.DoseActions

/**
 * Handles the notification actions (and later, the same actions from the UI).
 *
 * Contract (CLAUDE.md, load-bearing):
 * - Taken  → TAKEN, decrement inventory by the *logged* amount, stop escalating.
 * - Snooze → SNOOZED, next nag in 15 min, keeps escalating (and counting) after.
 * - Skip   → SKIPPED, stop escalating, no inventory change.
 */
class DoseActionReceiver : BroadcastReceiver() {

    companion object {
        const val ACTION_TAKEN = "no.naiv.meddetsamme.action.TAKEN"
        const val ACTION_SNOOZE = "no.naiv.meddetsamme.action.SNOOZE"
        const val ACTION_SKIP = "no.naiv.meddetsamme.action.SKIP"
        const val EXTRA_LOG_ID = "logId"
    }

    override fun onReceive(context: Context, intent: Intent) {
        val logId = intent.getLongExtra(EXTRA_LOG_ID, -1)
        if (logId < 0) return
        val action = intent.action ?: return
        val pending = goAsync()
        CoroutineScope(Dispatchers.IO).launch {
            try {
                handle(context, action, logId)
            } finally {
                pending.finish()
            }
        }
    }

    private suspend fun handle(context: Context, action: String, logId: Long) {
        val actions = DoseActions(context)
        when (action) {
            ACTION_TAKEN -> actions.take(logId)
            ACTION_SNOOZE -> actions.snooze(logId)
            ACTION_SKIP -> actions.skip(logId)
        }
    }
}