package com.customassistant

import android.view.LayoutInflater
import android.view.ViewGroup
import android.widget.RadioButton
import android.widget.TextView
import androidx.recyclerview.widget.RecyclerView

class ActionsAdapter(
    private val actions: MutableList<ActionItem>,
    private val onActionSelected: (ActionItem) -> Unit
) : RecyclerView.Adapter<ActionsAdapter.ActionViewHolder>() {

    private var selectedPosition = -1

    class ActionViewHolder(
        private val rbAction: RadioButton,
        private val tvTitle: TextView,
        private val tvDescription: TextView
    ) : RecyclerView.ViewHolder(rbAction.parent as ViewGroup) {

        fun bind(action: ActionItem, isSelected: Boolean, onSelected: () -> Unit) {
            rbAction.isChecked = isSelected
            tvTitle.text = action.title
            tvDescription.text = action.description

            itemView.setOnClickListener {
                onSelected()
            }

            rbAction.setOnClickListener {
                onSelected()
            }
        }
    }

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ActionViewHolder {
        val view = LayoutInflater.from(parent.context).inflate(R.layout.item_action, parent, false)
        return ActionViewHolder(
            view.findViewById(R.id.rbAction),
            view.findViewById(R.id.tvActionTitle),
            view.findViewById(R.id.tvActionDescription)
        )
    }

    override fun onBindViewHolder(holder: ActionViewHolder, position: Int) {
        val action = actions[position]
        val isSelected = position == selectedPosition

        holder.bind(action, isSelected) {
            val previousSelected = selectedPosition
            selectedPosition = position

            if (previousSelected != -1) {
                notifyItemChanged(previousSelected)
            }
            notifyItemChanged(selectedPosition)

            onActionSelected(action)
        }
    }

    override fun getItemCount() = actions.size

    fun getSelectedAction(): ActionItem? {
        return if (selectedPosition != -1) actions[selectedPosition] else null
    }
}