class VocabularyAdapter(private val typeView: Boolean) :
    RecyclerView.Adapter<RecyclerView.ViewHolder>() {

    var wordsVocabulary = listOf<GermanEnglishWord>()
    private var wordsEditor = listOf<GermanEnglishWord>()
    var isGerman = true

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
        val layoutInflater = LayoutInflater.from(parent.context)
        return if (typeView) {
            VocabularyItemViewHolder(layoutInflater.inflate(R.layout.one_word, parent, false))
        } else {
            EditorItemViewHolder(layoutInflater.inflate(R.layout.bubble_item, parent, false))
        }
    }

    override fun getItemCount(): Int {
        return if (typeView) wordsVocabulary.size else wordsEditor.size
    }

    override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
        if (holder is VocabularyItemViewHolder) {
            holder.bind(wordsVocabulary[position])
        }
        else if (holder is EditorItemViewHolder) {
            holder.bind(wordsEditor[position])
        }
    }

    inner class VocabularyItemViewHolder(v: View) : RecyclerView.ViewHolder(v) {
        private val wordItem = v.word_item

        fun bind(word: GermanEnglishWord) {
            wordItem.text = if (isGerman) word.german else word.english
        }
    }

    inner class EditorItemViewHolder(v: View) : RecyclerView.ViewHolder(v) {
        private val wordItem = v.bubble_text

        fun bind(word: GermanEnglishWord) {
            wordItem.text = if (isGerman) word.german else word.english
        }
    }
}