/*
 * Copyright 2016 requery.io
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.requery.android.example.app;

import android.databinding.DataBindingUtil;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.Menu;
import android.view.MenuItem;
import io.reactivex.android.schedulers.AndroidSchedulers;
import io.reactivex.functions.Consumer;
import io.requery.Persistable;
import io.requery.android.example.app.databinding.ActivityEditPersonBinding;
import io.requery.android.example.app.model.Address;
import io.requery.android.example.app.model.AddressEntity;
import io.requery.android.example.app.model.Person;
import io.requery.android.example.app.model.PersonEntity;
import io.requery.android.example.app.model.Phone;
import io.requery.android.example.app.model.PhoneEntity;
import io.requery.reactivex.ReactiveEntityStore;

/**
 * Simple activity allowing you to edit a Person entity using data binding.
 */
public class PersonEditActivity extends AppCompatActivity {

    static final String EXTRA_PERSON_ID = "personId";

    private ReactiveEntityStore<Persistable> data;
    private PersonEntity person;
    private ActivityEditPersonBinding binding;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        binding = DataBindingUtil.setContentView(this, R.layout.activity_edit_person);
        if (getSupportActionBar() != null) {
            getSupportActionBar().setTitle("Edit Person");
        }
        data = ((PeopleApplication) getApplication()).getData();
        int personId = getIntent().getIntExtra(EXTRA_PERSON_ID, -1);
        if (personId == -1) {
            person = new PersonEntity(); // creating a new person
            binding.setPerson(person);
        } else {
            data.findByKey(PersonEntity.class, personId)
                .subscribeOn(AndroidSchedulers.mainThread())
                .subscribe(new Consumer<PersonEntity>() {
                @Override
                public void accept(PersonEntity person) {
                    PersonEditActivity.this.person = person;
                    binding.setPerson(person);
                }
            });
        }
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.menu_edit, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
            case R.id.action_save:
                savePerson();
                return true;
        }
        return false;
    }

    private void savePerson() {
        // TODO make binding 2 way
        person.setName(binding.name.getText().toString());
        person.setEmail(binding.email.getText().toString());
        Phone phone;
        if (person.getPhoneNumberList().isEmpty()) {
            phone = new PhoneEntity();
            phone.setOwner(person);
            person.getPhoneNumberList().add(phone);
        } else {
            phone = person.getPhoneNumberList().get(0);
        }
        phone.setPhoneNumber(binding.phone.getText().toString());
        Address address = person.getAddress();
        if (address == null) {
            address = new AddressEntity();
            person.setAddress(address);
        }
        address.setLine1(binding.street.getText().toString());
        address.setLine2(binding.city.getText().toString());
        address.setZip(binding.zip.getText().toString());
        address.setState(binding.state.getText().toString());
        // save the person
        if (person.getId() == 0) {
            data.insert(person).subscribe(new Consumer<Person>() {
                @Override
                public void accept(Person person) {
                    finish();
                }
            });
        } else {
            data.update(person).subscribe(new Consumer<Person>() {
                @Override
                public void accept(Person person) {
                    finish();
                }
            });
        }
    }
}