/*
 * Copyright (c) Double Symmetry GmbH
 * Commercial use requires a license. See https://rntp.dev/pricing
 */

package com.doublesymmetry.trackplayer

import android.content.Context
import android.graphics.drawable.Drawable
import android.util.TypedValue
import android.view.ContextThemeWrapper
import androidx.core.graphics.drawable.DrawableCompat
import androidx.mediarouter.app.MediaRouteButton
import androidx.mediarouter.media.MediaRouteSelector
import com.doublesymmetry.trackplayer.models.PlayerConfig
import com.facebook.react.bridge.ReactApplicationContext
import com.facebook.react.uimanager.SimpleViewManager
import com.facebook.react.uimanager.ThemedReactContext
import com.facebook.react.uimanager.annotations.ReactProp
import com.google.android.gms.cast.CastMediaControlIntent
import com.google.android.gms.cast.framework.CastButtonFactory

class CastButtonManager(private val reactContext: ReactApplicationContext)
    : SimpleViewManager<MediaRouteButton>() {

  override fun getName() = "TrackPlayerCastButton"

  override fun createViewInstance(context: ThemedReactContext): MediaRouteButton {
    val appId = PlayerConfig().load(reactContext).castReceiverAppId
      ?: CastMediaControlIntent.DEFAULT_MEDIA_RECEIVER_APPLICATION_ID
    val button = MediaRouteButton(context)
    val selector = MediaRouteSelector.Builder()
      .addControlCategory(CastMediaControlIntent.categoryForCast(appId))
      .build()
    button.setRouteSelector(selector)
    try {
      CastButtonFactory.setUpMediaRouteButton(reactContext, button)
    } catch (_: Exception) { }
    return button
  }

  @ReactProp(name = "tintColor", customType = "Color")
  fun setTintColor(button: MediaRouteButton, color: Int?) {
    if (color == null) return
    tintedRemoteIndicator(button.context, color)?.let {
      button.setRemoteIndicatorDrawable(it)
    }
  }

  companion object {
    /**
     * Builds the default Cast icon tinted with [color]. MediaRouteButton has no
     * public tint setter, so we resolve its drawable from the MediaRouteButton
     * style, tint a mutable copy, and swap it back in. Returns null if the
     * drawable can't be resolved.
     */
    internal fun tintedRemoteIndicator(context: Context, color: Int): Drawable? {
      val themed = ContextThemeWrapper(context, androidx.mediarouter.R.style.Theme_MediaRouter)
      val styleRes = TypedValue().let { value ->
        themed.theme.resolveAttribute(
          androidx.mediarouter.R.attr.mediaRouteButtonStyle, value, true
        )
        value.resourceId
      }
      if (styleRes == 0) return null
      val attrs = themed.obtainStyledAttributes(
        styleRes,
        androidx.mediarouter.R.styleable.MediaRouteButton
      )
      val drawable = attrs.getDrawable(
        androidx.mediarouter.R.styleable.MediaRouteButton_externalRouteEnabledDrawable
      )
      attrs.recycle()
      return drawable?.mutate()?.also { DrawableCompat.setTint(it, color) }
    }
  }
}