package com.example.cuida.ui.medication;

import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.CheckBox;
import android.widget.TextView;
import androidx.annotation.NonNull;
import androidx.recyclerview.widget.RecyclerView;
import com.example.cuida.R;
import com.example.cuida.data.model.Medication;
import java.util.ArrayList;
import java.util.List;

public class MedicationAdapter extends RecyclerView.Adapter<MedicationAdapter.MedicationViewHolder> {

    private List<Medication> medicationList = new ArrayList<>();
    private final OnItemClickListener listener;

    public interface OnItemClickListener {
        void onCheckClick(Medication medication);

        void onItemClick(Medication medication);
    }

    public MedicationAdapter(OnItemClickListener listener) {
        this.listener = listener;
    }

    public void setMedications(List<Medication> medications) {
        this.medicationList = medications;
        notifyDataSetChanged();
    }

    @NonNull
    @Override
    public MedicationViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_medication, parent, false);
        return new MedicationViewHolder(view);
    }

    @Override
    public void onBindViewHolder(@NonNull MedicationViewHolder holder, int position) {
        Medication medication = medicationList.get(position);
        holder.textName.setText(medication.name);
        holder.textDosage.setText(medication.dosage);
        holder.textTime.setText(medication.time);
        holder.textNotes.setText(medication.notes);

        // Remove listener temporarily to avoid triggering it during bind
        holder.checkBoxTaken.setOnCheckedChangeListener(null);
        holder.checkBoxTaken.setChecked(medication.isTaken);

        holder.checkBoxTaken.setOnCheckedChangeListener((buttonView, isChecked) -> {
            medication.isTaken = isChecked;
            listener.onCheckClick(medication);
        });
    }

    @Override
    public int getItemCount() {
        return medicationList.size();
    }

    public class MedicationViewHolder extends RecyclerView.ViewHolder {
        TextView textName, textDosage, textTime, textNotes;
        CheckBox checkBoxTaken;

        public MedicationViewHolder(@NonNull View itemView) {
            super(itemView);
            textName = itemView.findViewById(R.id.text_med_name);
            textDosage = itemView.findViewById(R.id.text_med_dosage);
            textTime = itemView.findViewById(R.id.text_med_time);
            textNotes = itemView.findViewById(R.id.text_med_notes);
            checkBoxTaken = itemView.findViewById(R.id.checkbox_taken);

            itemView.setOnClickListener(v -> {
                int position = getAdapterPosition();
                if (listener != null && position != RecyclerView.NO_POSITION) {
                    listener.onItemClick(medicationList.get(position));
                }
            });
        }
    }
}