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path: root/app/src/main/java/xyz/adjutor/aniki/topmanga/TopMangaAdapter.kt
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@file:Suppress("DEPRECATION")

package xyz.adjutor.aniki.topmanga

import android.annotation.SuppressLint
import android.graphics.Bitmap
import android.graphics.BitmapFactory
import android.os.AsyncTask
import android.util.Log
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.ImageView
import android.widget.TextView
import androidx.recyclerview.widget.RecyclerView
import xyz.adjutor.aniki.R

class TopMangaAdapter(val mangaList: List<TopManga>) :
        RecyclerView.Adapter<TopMangaAdapter.MangaViewHolder>() {

    // Describes an item view and its place within the RecyclerView
    class MangaViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
        val mangaTitle: TextView = itemView.findViewById(R.id.tv_title)
        val mangaRank: TextView = itemView.findViewById(R.id.tv_rank)
        val mangaScore: TextView = itemView.findViewById(R.id.tv_score)
        val mangaImage: ImageView = itemView.findViewById(R.id.iv_image)

    }

    // Returns a new ViewHolder
    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): MangaViewHolder {
        val view = LayoutInflater.from(parent.context)
                .inflate(R.layout.item_layout, parent, false)

        return MangaViewHolder(view)
    }

    // Returns size of data list
    override fun getItemCount(): Int {
        return mangaList.size
    }

    // Displays data at a certain position
    override fun onBindViewHolder(holder: MangaViewHolder, position: Int) {
        val currentManga: TopManga = mangaList[position]
        holder.mangaTitle.text = currentManga.title
        holder.mangaRank.text = currentManga.rank.toString()
        holder.mangaScore.text = currentManga.score.toString()
        DownloadImageFromInternet(holder.mangaImage).execute(currentManga.image_url)
    }

    @SuppressLint("StaticFieldLeak")
    private inner class DownloadImageFromInternet(var imageView: ImageView) : AsyncTask<String, Void, Bitmap?>() {
        override fun doInBackground(vararg urls: String): Bitmap? {
            val imageURL = urls[0]
            var image: Bitmap? = null
            try {
                val `in` = java.net.URL(imageURL).openStream()
                image = BitmapFactory.decodeStream(`in`)
            }
            catch (e: Exception) {
                Log.e("Error Message", e.message.toString())
                e.printStackTrace()
            }
            return image
        }
        override fun onPostExecute(result: Bitmap?) {
            imageView.setImageBitmap(result)
        }
    }
}