package de.cfp.duck

import android.app.Activity
import app.tauri.annotation.Command
import app.tauri.annotation.InvokeArg
import app.tauri.annotation.TauriPlugin
import app.tauri.plugin.JSObject
import app.tauri.plugin.Plugin
import app.tauri.plugin.Invoke

import android.media.AudioFocusRequest
import android.media.AudioManager
import android.context.Context
import android.webkit.WebView

@TauriPlugin
class DuckPlugin(private val activity: Activity): Plugin(activity) {
    private val implementation = Duck()
    private lateinit var audioManager: AudioManager
    private lateinit var focusRequest: AudioFocusRequest

    override fun load(webView: WebView) {
      audioManager = (AudioManager) getBridge().getActivity().getSystemService(Context.AUDIO_SERVICE)
    }

    @Command
    fun duck(invoke: Invoke) {
        focusRequest = AudioFocusRequest.Builder(AudioManager.AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK)
          .setAcceptsDelayedFocusGain(false)
          .setWillPauseWhenDucked(false)
          .setForceDucking(true)
          .build()
        
        audioManager.requestAudioFocus(focusRequest)

        val ret = JSObject()
        ret.put("success", true)
        invoke.resolve(ret)
    }

    @Command
    fun unduck(invoke: Invoke) {
        if (focusRequest != null) {
            audioManager.abandonAudioFocusRequest(focusRequest)
        }

        val ret = JSObject()
        ret.put("success", true)
        invoke.resolve(ret)
    }
}