package org.mercury_im.messenger.ui.roster.contacts.detail;

import android.app.AlertDialog;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.TextView;

import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
import androidx.lifecycle.ViewModelProvider;
import androidx.lifecycle.ViewModelStoreOwner;

import com.google.android.material.chip.ChipGroup;
import com.google.android.material.floatingactionbutton.ExtendedFloatingActionButton;

import org.mercury_im.messenger.Messenger;
import org.mercury_im.messenger.R;
import org.mercury_im.messenger.ui.chat.ChatActivity;
import org.mercury_im.messenger.util.ColorUtil;

import butterknife.BindView;
import butterknife.ButterKnife;
import io.reactivex.Completable;
import io.reactivex.Observable;
import io.reactivex.android.schedulers.AndroidSchedulers;
import io.reactivex.schedulers.Schedulers;

public class ContactDetailFragment extends Fragment {

    @BindView(R.id.contact_avatar)
    ImageView contactAvatar;

    @BindView(R.id.contact_status_badge)
    ImageView contactStatusBadge;

    @BindView(R.id.contact_name)
    TextView contactName;

    @BindView(R.id.contact_address)
    TextView contactAddress;

    @BindView(R.id.contact_presence)
    TextView contactPresence;

    @BindView(R.id.contact_account)
    TextView contactAccount;

    @BindView(R.id.contact_groups)
    ChipGroup contactGroups;

    @BindView(R.id.fab)
    ExtendedFloatingActionButton fab;

    private ContactDetailViewModel viewModel;

    @Nullable
    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.fragment_contact_details, container, false);
        ButterKnife.bind(this, view);

        if (fab != null) {
            fab.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    Intent intent = new Intent(getContext(), ChatActivity.class);
                    intent.putExtra(ChatActivity.EXTRA_JID, viewModel.getContactAddress().getValue());
                    intent.putExtra(ChatActivity.EXTRA_ACCOUNT, viewModel.getAccountId().getValue().toString());
                    startActivity(intent);
                }
            });
        }

        contactName.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                AlertDialog.Builder builder = new AlertDialog.Builder(getContext());
                builder.setTitle("Edit Contact Name");
                final EditText editText = new EditText(getContext());
                editText.setText(contactName.getText());
                builder.setView(editText)
                        .setPositiveButton("Save", (dialog, which) -> {
                            Completable.fromAction(() -> viewModel.changeContactName(editText.getText().toString())).subscribeOn(Schedulers.io())
                                    .observeOn(AndroidSchedulers.mainThread())
                                    .subscribe(() -> {}, e -> Log.e(Messenger.TAG, "Error changing contact name", e));
                        })
                        .setNegativeButton("Cancel", (dialog, which) -> dialog.cancel());

                builder.show();
            }
        });

        return view;
    }

    @Override
    public void onAttach(Context context) {
        super.onAttach(context);
        viewModel = new ViewModelProvider((ViewModelStoreOwner) context).get(ContactDetailViewModel.class);

        observeViewModel();
    }

    private void observeViewModel() {
        viewModel.getContactAvatar().observe(this, drawable -> contactAvatar.setImageDrawable(drawable));
        viewModel.getContactPresenceMode().observe(this, mode -> {
            int color = 0;
            switch (mode) {
                case chat:
                case available:
                    color = ColorUtil.rgb(0, 255, 0);
                    break;
                case away:
                case xa:
                    color = ColorUtil.rgb(255, 128, 0);
                    break;
                case dnd:
                    color = ColorUtil.rgb(255, 0, 0);
                    break;
            }
            contactStatusBadge.setColorFilter(color);
        });
        viewModel.getContactName().observe(this, name -> contactName.setText(name));
        viewModel.getContactAddress().observe(this, address -> contactAddress.setText(address));
        viewModel.getContactPresenceStatus().observe(this, presenceText -> contactPresence.setText(presenceText));
        viewModel.getContactAccountAddress().observe(this, address -> contactAccount.setText(address));
    }
}