package com.cyb3rko.techniklogger.recycler

import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.TextView
import androidx.recyclerview.widget.DiffUtil
import androidx.recyclerview.widget.ListAdapter
import androidx.recyclerview.widget.RecyclerView
import com.cyb3rko.techniklogger.R
import com.cyb3rko.techniklogger.data.objects.Participation

internal class ParticipationAdapter(
    val action: (participation: Participation) -> Unit
) : ListAdapter<Participation, ParticipationAdapter.ViewHolder>(ParticipationDiffCallback) {

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
        val view = LayoutInflater.from(parent.context).inflate(R.layout.item_member, parent, false)
        return ViewHolder(view)
    }

    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
        val entry = getItem(position)
        val title = "${entry.name}, ${entry.duration} h"
        holder.titleView.text = title
        holder.titleView.setOnClickListener {
            action(entry)
        }
    }

    class ViewHolder(view: View) : RecyclerView.ViewHolder(view) {
        val titleView: TextView = view.findViewById(R.id.title)
    }

    object ParticipationDiffCallback : DiffUtil.ItemCallback<Participation>() {
        override fun areItemsTheSame(oldItem: Participation, newItem: Participation): Boolean {
            return oldItem.objectId == newItem.objectId
        }

        override fun areContentsTheSame(oldItem: Participation, newItem: Participation): Boolean {
            return oldItem.duration == newItem.duration &&
                    oldItem.name == newItem.name &&
                    oldItem.time == newItem.time
        }
    }
}