/**
 * Copyright (c) 2013, Redsolution LTD. All rights reserved.
 *
 * This file is part of Xabber project; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License, Version 3.
 *
 * Xabber 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, see http://www.gnu.org/licenses/.
 */
package com.xabber.android.ui;

import android.app.Dialog;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.inputmethod.InputMethodManager;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemSelectedListener;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.Spinner;
import android.widget.TextView;
import android.widget.LinearLayout;
import android.widget.Toast;

import com.xabber.android.data.Application;
import com.xabber.android.data.NetworkException;
import com.xabber.android.data.account.AccountManager;
import com.xabber.android.data.account.AccountType;
import com.xabber.android.data.intent.AccountIntentBuilder;
import com.xabber.android.ui.adapter.AccountTypeAdapter;
import com.xabber.android.ui.dialog.OrbotInstallerDialogBuilder;
import com.xabber.android.ui.helper.ManagedActivity;
import com.xabber.android.ui.helper.OrbotHelper;
import com.xabber.androiddev.R;

public class AccountAdd extends ManagedActivity implements
        View.OnClickListener, OnItemSelectedListener {

    private static final String SAVED_ACCOUNT_TYPE = "com.xabber.android.ui.AccountAdd.ACCOUNT_TYPE";

    private static final int OAUTH_WML_REQUEST_CODE = 1;

    private static final int ORBOT_DIALOG_ID = 9050;

    private CheckBox storePasswordView;
    private CheckBox useOrbotView;
    private CheckBox syncableView;
    private CheckBox createAccount;
    private Spinner accountTypeView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        if (isFinishing())
            return;

        setContentView(R.layout.account_add);

        storePasswordView = (CheckBox) findViewById(R.id.store_password);
        useOrbotView = (CheckBox) findViewById(R.id.use_orbot);
        syncableView = (CheckBox) findViewById(R.id.syncable);
        if (!Application.getInstance().isContactsSupported()) {
            syncableView.setVisibility(View.GONE);
            syncableView.setChecked(false);
        }
        createAccount = (CheckBox) findViewById(R.id.register_account);

        accountTypeView = (Spinner) findViewById(R.id.account_type);
        accountTypeView.setAdapter(new AccountTypeAdapter(this));
        accountTypeView.setOnItemSelectedListener(this);

        String accountType;
        if (savedInstanceState == null)
            accountType = null;
        else
            accountType = savedInstanceState.getString(SAVED_ACCOUNT_TYPE);
        accountTypeView.setSelection(0);
        for (int position = 0; position < accountTypeView.getCount(); position++)
            if (((AccountType) accountTypeView.getItemAtPosition(position))
                    .getName().equals(accountType)) {
                accountTypeView.setSelection(position);
                break;
            }

        ((Button) findViewById(R.id.ok)).setOnClickListener(this);
        createAccount.setOnClickListener(this);
        InputMethodManager inputManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
        inputManager.hideSoftInputFromWindow(findViewById(R.id.ok)
                .getWindowToken(), InputMethodManager.HIDE_NOT_ALWAYS);

        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
    }

    @Override
    protected void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
        outState.putString(SAVED_ACCOUNT_TYPE,
                ((AccountType) accountTypeView.getSelectedItem()).getName());
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if (requestCode == OAUTH_WML_REQUEST_CODE) {
            if (resultCode == RESULT_OK && !OAuthActivity.isInvalidated(data)) {
                String token = OAuthActivity.getToken(data);
                if (token == null) {
                    Application.getInstance().onError(
                            R.string.AUTHENTICATION_FAILED);
                } else {
                    String account;
                    try {
                        account = AccountManager.getInstance()
                                .addAccount(
                                        null,
                                        token,
                                        (AccountType) accountTypeView
                                                .getSelectedItem(),
                                        syncableView.isChecked(),
                                        storePasswordView.isChecked(),
                                        useOrbotView.isChecked(),
                                        false);
                    } catch (NetworkException e) {
                        Application.getInstance().onError(e);
                        return;
                    }
                    setResult(RESULT_OK,
                            createAuthenticatorResult(this, account));
                    finish();
                }
            }
        }
    }

    @Override
    public void onClick(View view) {
        switch (view.getId()) {
            case R.id.ok:
                if (useOrbotView.isChecked() && !OrbotHelper.isOrbotInstalled()) {
                    showDialog(ORBOT_DIALOG_ID);
                    return;
                }
                AccountType accountType = (AccountType) accountTypeView
                        .getSelectedItem();
                if (accountType.getProtocol().isOAuth()) {
                    startActivityForResult(
                            OAuthActivity.createIntent(this,
                                    accountType.getProtocol()),
                            OAUTH_WML_REQUEST_CODE);
                } else {
                    EditText userView = (EditText) findViewById(R.id.account_user_name);
                    EditText passwordView = (EditText) findViewById(R.id.account_password);
                    EditText passwordConfirmView = (EditText) findViewById(R.id.confirm_password);
                    if(createAccount.isChecked() &&
                       !passwordView.getText().toString().contentEquals(passwordConfirmView.getText().toString())) {
                        Toast.makeText(this, getString(R.string.CONFIRM_PASSWORD),
                            Toast.LENGTH_LONG).show();
                        return;
                    }
                    String account;
                    try {
                        account = AccountManager.getInstance().addAccount(
                                userView.getText().toString(),
                                passwordView.getText().toString(), accountType,
                                syncableView.isChecked(),
                                storePasswordView.isChecked(),
                                useOrbotView.isChecked(),
                                createAccount.isChecked());
                    } catch (NetworkException e) {
                        Application.getInstance().onError(e);
                        return;
                    }
                    setResult(RESULT_OK, createAuthenticatorResult(this, account));
                    finish();
                }
                break;
            case R.id.register_account:
                LinearLayout passwordConfirmView = (LinearLayout) findViewById(R.id.confirm_password_layout);
                if(createAccount.isChecked()) {
                    passwordConfirmView.setVisibility(View.VISIBLE);
                }
                else {
                    passwordConfirmView.setVisibility(View.GONE);
                }
            default:
                break;
        }
    }

    @Override
    public void onItemSelected(AdapterView<?> adapterView, View view,
                               int position, long id) {
        AccountType accountType = (AccountType) accountTypeView
                .getSelectedItem();
        if (accountType.getProtocol().isOAuth())
            findViewById(R.id.auth_panel).setVisibility(View.GONE);
        else
            findViewById(R.id.auth_panel).setVisibility(View.VISIBLE);
        ((TextView) findViewById(R.id.account_user_name)).setHint(accountType
                .getHint());
        ((TextView) findViewById(R.id.account_help)).setText(accountType
                .getHelp());
    }

    @Override
    public void onNothingSelected(AdapterView<?> adapterView) {
        accountTypeView.setSelection(0);
    }

    @Override
    protected Dialog onCreateDialog(int id) {
        if (id == ORBOT_DIALOG_ID) {
            return new OrbotInstallerDialogBuilder(this, ORBOT_DIALOG_ID)
                    .create();
        }
        return super.onCreateDialog(id);
    }

    public static Intent createIntent(Context context) {
        return new Intent(context, AccountAdd.class);
    }

    private static Intent createAuthenticatorResult(Context context,
                                                    String account) {
        return new AccountIntentBuilder(null, null).setAccount(account).build();
    }

    public static String getAuthenticatorResultAccount(Intent intent) {
        return AccountIntentBuilder.getAccount(intent);
    }

}
