package cy.agorise.crystalwallet.activities;

import android.arch.lifecycle.LiveData;
import android.arch.lifecycle.Observer;
import android.arch.lifecycle.ViewModelProviders;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v7.app.AppCompatActivity;
import android.text.Editable;
import android.widget.EditText;

import java.util.List;

import butterknife.BindView;
import butterknife.ButterKnife;
import butterknife.OnTextChanged;
import cy.agorise.crystalwallet.R;
import cy.agorise.crystalwallet.models.GeneralSetting;
import cy.agorise.crystalwallet.util.PasswordManager;
import cy.agorise.crystalwallet.viewmodels.GeneralSettingListViewModel;

public class PinRequestActivity extends AppCompatActivity {
    private String passwordEncrypted;

    @Override
    public void onBackPressed() {
        //Do nothing to prevent the user to use the back button
    }

    @BindView(R.id.etPassword)
    EditText etPassword;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_pin_request);
        ButterKnife.bind(this);

        GeneralSettingListViewModel generalSettingListViewModel = ViewModelProviders.of(this).get(GeneralSettingListViewModel.class);
        LiveData<List<GeneralSetting>> generalSettingsLiveData = generalSettingListViewModel.getGeneralSettingList();
        generalSettingsLiveData.observe(this, new Observer<List<GeneralSetting>>() {
            @Override
            public void onChanged(@Nullable List<GeneralSetting> generalSettings) {
                passwordEncrypted = "";

                if (generalSettings != null){
                    for (GeneralSetting generalSetting:generalSettings) {
                        if (generalSetting.getName().equals(GeneralSetting.SETTING_PASSWORD)){
                            if (!generalSetting.getValue().isEmpty()){
                                passwordEncrypted = generalSetting.getValue();
                            }
                            break;
                        }
                    }
                }
            }
        });
    }

    @OnTextChanged(value = R.id.etPassword,
            callback = OnTextChanged.Callback.AFTER_TEXT_CHANGED)
    void afterPasswordChanged(Editable editable) {
        if (PasswordManager.checkPassword(passwordEncrypted, etPassword.getText().toString())) {
            this.finish();
        }
    }
}