/*
GroupChatFragment.java
Copyright (C) 2017  Belledonne Communications, Grenoble, France

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/

package org.linphone.chat;

import android.support.annotation.NonNull;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.RelativeLayout;
import android.widget.TextView;

import org.linphone.LinphoneUtils;
import org.linphone.R;
import org.linphone.activities.LinphoneActivity;
import org.linphone.contacts.ContactAddress;
import org.linphone.contacts.LinphoneContact;
import org.linphone.core.ChatRoom;
import org.linphone.core.ChatRoomCapabilities;
import org.linphone.core.Participant;
import org.linphone.ui.ContactAvatar;

import java.util.ArrayList;
import java.util.List;

public class GroupInfoAdapter extends RecyclerView.Adapter<GroupInfoAdapter.ViewHolder> {

    public static class ViewHolder extends RecyclerView.ViewHolder {
        public TextView name;
        public RelativeLayout avatarLayout;
        public ImageView delete;
        public LinearLayout isAdmin;
        public LinearLayout isNotAdmin;

        public ViewHolder(View view) {
            super(view);
            name = view.findViewById(R.id.name);
            avatarLayout = view.findViewById(R.id.avatar_layout);
            delete = view.findViewById(R.id.delete);
            isAdmin = view.findViewById(R.id.isAdminLayout);
            isNotAdmin = view.findViewById(R.id.isNotAdminLayout);
        }
    }

    private List<ContactAddress> mItems;
    private View.OnClickListener mDeleteListener;
    private boolean mHideAdminFeatures;
    private ChatRoom mChatRoom;

    public GroupInfoAdapter(List<ContactAddress> items, boolean hideAdminFeatures, boolean isCreation) {
        mItems = items;
        mHideAdminFeatures = hideAdminFeatures || isCreation;
    }

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

    @Override
    public void onBindViewHolder(@NonNull final ViewHolder holder, int position) {
        final ContactAddress ca = (ContactAddress) getItem(position);
        LinphoneContact c = ca.getContact();

        holder.name.setText((c.getFullName() != null) ? c.getFullName() :
                (ca.getDisplayName() != null) ? ca.getDisplayName() : ca.getUsername());

        if (c != null) {
            ContactAvatar.displayAvatar(c, holder.avatarLayout);
        } else {
            ContactAvatar.displayAvatar(holder.name.getText().toString(), holder.avatarLayout);
        }

        holder.delete.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                if (mDeleteListener != null) {
                    mDeleteListener.onClick(view);
                }
            }
        });
        holder.delete.setTag(ca);

        holder.isAdmin.setVisibility(ca.isAdmin() ? View.VISIBLE : View.GONE);
        holder.isNotAdmin.setVisibility(ca.isAdmin() ? View.GONE : View.VISIBLE);

        holder.isAdmin.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                holder.isNotAdmin.setVisibility(View.VISIBLE);
                holder.isAdmin.setVisibility(View.GONE);
                ca.setAdmin(false);
            }
        });

        holder.isNotAdmin.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                holder.isNotAdmin.setVisibility(View.GONE);
                holder.isAdmin.setVisibility(View.VISIBLE);
                ca.setAdmin(true);
            }
        });

        holder.delete.setVisibility(View.VISIBLE);
        if (mHideAdminFeatures) {
            holder.delete.setVisibility(View.INVISIBLE);
            holder.isAdmin.setOnClickListener(null); // Do not allow not admin to remove it's rights but display admins
            holder.isNotAdmin.setVisibility(View.GONE); // Hide not admin button for not admin participants
        } else if (mChatRoom != null) {
            boolean found = false;
            for (Participant p : mChatRoom.getParticipants()) {
                if (p.getAddress().weakEqual(ca.getAddress())) {
                    found = true;
                    break;
                }
            }
            if (!found) {
                holder.isNotAdmin.setVisibility(View.GONE); // Hide not admin button for participant not yet added so even if user click it it won't have any effect
            }
        }
    }

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

    public void setChatRoom(ChatRoom room) {
        mChatRoom = room;
    }

    public int getCount() {
        return mItems.size();
    }

    public Object getItem(int i) {
        return mItems.get(i);
    }

    @Override
    public long getItemId(int i) {
        return i;
    }

    public void setOnDeleteClickListener(View.OnClickListener onClickListener) {
        mDeleteListener = onClickListener;
    }

    public void updateDataSet(ArrayList<ContactAddress> mParticipants) {
        mItems = mParticipants;
        notifyDataSetChanged();
    }

    public void setAdminFeaturesVisible(boolean visible) {
        mHideAdminFeatures = !visible;
        notifyDataSetChanged();
    }
}