// android/app/src/main/kotlin/pt/ruifpb/openvinyl/MainActivity.kt
//
//   MethodChannel  pt.ruifpb.openvinyl/media_control
//     hasPermission()     → Boolean
//     requestPermission() → Unit
//     getCurrentMedia()   → Map?
//     playPause()         → Unit  ← NEW: sends play/pause to active MediaSession

package pt.ruifpb.openvinyl

import android.content.Intent
import android.provider.Settings
import io.flutter.embedding.android.FlutterActivity
import io.flutter.embedding.engine.FlutterEngine
import io.flutter.plugin.common.EventChannel
import io.flutter.plugin.common.MethodChannel

class MainActivity : FlutterActivity() {

    private val methodChannelName = "pt.ruifpb.openvinyl/media_control"
    private val eventChannelName  = "pt.ruifpb.openvinyl/media_events"

    override fun configureFlutterEngine(flutterEngine: FlutterEngine) {
        super.configureFlutterEngine(flutterEngine)

        MethodChannel(flutterEngine.dartExecutor.binaryMessenger, methodChannelName)
            .setMethodCallHandler { call, result ->
                when (call.method) {
                    "hasPermission" -> result.success(MediaListenerService.isEnabled(this))
                    "requestPermission" -> {
                        startActivity(
                            Intent(Settings.ACTION_NOTIFICATION_LISTENER_SETTINGS)
                                .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
                        )
                        result.success(null)
                    }
                    "getCurrentMedia" -> result.success(MediaListenerService.lastMediaMap)
                    "playPause" -> {
                        MediaListenerService.sendPlayPause()
                        result.success(null)
                    }
                    else -> result.notImplemented()
                }
            }

        EventChannel(flutterEngine.dartExecutor.binaryMessenger, eventChannelName)
            .setStreamHandler(object : EventChannel.StreamHandler {
                override fun onListen(args: Any?, sink: EventChannel.EventSink) {
                    MediaListenerService.eventSink = sink
                }
                override fun onCancel(args: Any?) {
                    MediaListenerService.eventSink = null
                }
            })
    }
}