package code.name.monkey.retromusic.adapter

import android.app.Activity
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import androidx.recyclerview.widget.RecyclerView
import code.name.monkey.retromusic.R
import code.name.monkey.retromusic.adapter.base.MediaEntryViewHolder
import code.name.monkey.retromusic.model.Genre
import code.name.monkey.retromusic.util.NavigationUtil
import java.util.*

/**
 * @author Hemanth S (h4h13).
 */

class GenreAdapter(
        private val activity: Activity, dataSet: ArrayList<Genre>, private val mItemLayoutRes: Int
) : RecyclerView.Adapter<GenreAdapter.ViewHolder>() {
    var dataSet = ArrayList<Genre>()
        private set

    init {
        this.dataSet = dataSet
    }

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
        return ViewHolder(LayoutInflater.from(activity).inflate(mItemLayoutRes, parent, false))
    }

    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
        val genre = dataSet[position]
        holder.title?.text = genre.name
        holder.text?.text = String.format(Locale.getDefault(), "%d %s", genre.songCount, if (genre.songCount > 1) activity.getString(R.string.songs) else activity.getString(R.string.song))
    }

    override fun getItemCount(): Int {
        return dataSet.size
    }

    fun swapDataSet(list: ArrayList<Genre>) {
        dataSet = list
        notifyDataSetChanged()
    }

    inner class ViewHolder(itemView: View) : MediaEntryViewHolder(itemView) {
        override fun onClick(v: View?) {
            super.onClick(v)
            val genre = dataSet[adapterPosition]
            NavigationUtil.goToGenre(activity, genre)
        }
    }
}