// SPDX-License-Identifier: MIT
package com.rnthermalprinter

import com.facebook.react.bridge.*
import com.facebook.react.module.annotations.ReactModule
import com.rnthermalprinter.discovery.BluetoothStateManager

/** React Native module for BluetoothStateManager */
@ReactModule(name = BluetoothStateManagerModule.NAME)
class BluetoothStateManagerModule(reactContext: ReactApplicationContext) :
        ReactContextBaseJavaModule(reactContext) {

    companion object {
        const val NAME = "BluetoothStateManager"
    }

    private val bluetoothStateManager = BluetoothStateManager(reactContext)
    private var listenerCount = 0

    override fun getName() = NAME

    // Handle JS listeners - auto start/stop monitoring
    @ReactMethod
    fun addListener(eventName: String) {
        listenerCount += 1
        if (listenerCount == 1) {
            // First listener, start monitoring
            bluetoothStateManager.startListening()
        }
    }

    @ReactMethod
    fun removeListeners(count: Int) {
        listenerCount -= count
        if (listenerCount <= 0) {
            listenerCount = 0
            // No more listeners, stop monitoring
            bluetoothStateManager.stopListening()
        }
    }

    @ReactMethod
    fun getState(promise: Promise) {
        bluetoothStateManager.getState(promise)
    }

    @ReactMethod
    fun requestToEnable(promise: Promise) {
        bluetoothStateManager.requestToEnable(promise)
    }


    override fun onCatalystInstanceDestroy() {
        super.onCatalystInstanceDestroy()
        bluetoothStateManager.onDestroy()
    }
}