/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

package org.mozilla.goanna.fxa.activities;

import java.util.Locale;

import org.mozilla.goanna.Locales;
import org.mozilla.goanna.R;
import org.mozilla.goanna.background.common.log.Logger;
import org.mozilla.goanna.background.fxa.FxAccountAgeLockoutHelper;
import org.mozilla.goanna.background.fxa.FxAccountUtils;
import org.mozilla.goanna.fxa.FirefoxAccounts;
import org.mozilla.goanna.fxa.FxAccountConstants;
import org.mozilla.goanna.sync.setup.activities.ActivityUtils;

import android.accounts.AccountAuthenticatorActivity;
import android.content.Intent;
import android.os.Bundle;
import android.os.SystemClock;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.animation.AlphaAnimation;
import android.view.animation.Animation;
import android.view.animation.AnimationSet;
import android.view.animation.TranslateAnimation;
import android.widget.TextView;

/**
 * Activity which displays sign up/sign in screen to the user.
 */
public class FxAccountGetStartedActivity extends AccountAuthenticatorActivity {
  protected static final String LOG_TAG = FxAccountGetStartedActivity.class.getSimpleName();

  private static final int CHILD_REQUEST_CODE = 1;

  /**
   * {@inheritDoc}
   */
  @Override
  public void onCreate(Bundle icicle) {
    Logger.setThreadLogTag(FxAccountConstants.GLOBAL_LOG_TAG);
    Logger.debug(LOG_TAG, "onCreate(" + icicle + ")");

    Locales.initializeLocale(getApplicationContext());

    super.onCreate(icicle);

    setContentView(R.layout.fxaccount_get_started);

    linkifyOldFirefoxLink();

    View button = findViewById(R.id.get_started_button);
    button.setOnClickListener(new OnClickListener() {
      @Override
      public void onClick(View v) {
        Bundle extras = null; // startFlow accepts null.
        if (getIntent() != null) {
          extras = getIntent().getExtras();
        }
        startFlow(extras);
      }
    });

    animateIconIn();
  }

  /**
   * Float the icon up, starting from below and moving up to its final layout
   * position.  Also, fade the icon in.
   * <p>
   * We animate relative to the size of the icon rather than from the bottom of
   * the containing view for two reasons: first, the distance from bottom could
   * be large on tablets; two, animating with absolute values requires that
   * measurement has happened first, which requires a (sometimes buggy)
   * onPreDrawListener.
   */
  protected void animateIconIn() {
    final AlphaAnimation a = new AlphaAnimation(0.0f, 1.0f);
    final TranslateAnimation t = new TranslateAnimation(
        Animation.RELATIVE_TO_SELF, 0.0f, Animation.RELATIVE_TO_SELF, 0.0f,
        Animation.RELATIVE_TO_SELF, 2.0f, Animation.RELATIVE_TO_SELF, 0.0f);

    final AnimationSet animationSet = new AnimationSet(true);
    animationSet.setDuration(150 * 7); // Straight outta... fxa-content-server.
    animationSet.addAnimation(a);
    animationSet.addAnimation(t);

    final View iconView = findViewById(R.id.icon);
    iconView.startAnimation(animationSet);
  }

  protected void startFlow(Bundle extras) {
    final Intent intent = new Intent(this, FxAccountCreateAccountActivity.class);
    // Per http://stackoverflow.com/a/8992365, this triggers a known bug with
    // the soft keyboard not being shown for the started activity. Why, Android, why?
    intent.setFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
    if (extras != null) {
        intent.putExtras(extras);
    }
    startActivityForResult(intent, CHILD_REQUEST_CODE);
  }

  @Override
  public void onResume() {
    super.onResume();

    Intent intent = null;
    if (FxAccountAgeLockoutHelper.isLockedOut(SystemClock.elapsedRealtime())) {
      intent = new Intent(this, FxAccountCreateAccountNotAllowedActivity.class);
    } else if (FirefoxAccounts.firefoxAccountsExist(this)) {
      intent = new Intent(this, FxAccountStatusActivity.class);
    }

    if (intent != null) {
      this.setAccountAuthenticatorResult(null);
      setResult(RESULT_CANCELED);
      // Per http://stackoverflow.com/a/8992365, this triggers a known bug with
      // the soft keyboard not being shown for the started activity. Why, Android, why?
      intent.setFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
      this.startActivity(intent);
      this.finish();
    }

    // If we've been launched with extras (namely custom server URLs), continue
    // past go and collect 200 dollars. If we ever get back here (for example,
    // if the user hits the back button), forget that we had extras entirely, so
    // that we don't enter a loop.
    Bundle extras = null;
    if (getIntent() != null) {
      extras = getIntent().getExtras();
    }
    if (extras != null && extras.containsKey(FxAccountAbstractSetupActivity.EXTRA_EXTRAS)) {
      getIntent().replaceExtras(Bundle.EMPTY);
      startFlow((Bundle) extras.clone());
      return;
    }
  }

  /**
   * We started the CreateAccount activity for a result; this returns it to the
   * authenticator.
   */
  @Override
  public void onActivityResult(int requestCode, int resultCode, Intent data) {
    Logger.debug(LOG_TAG, "onActivityResult: " + requestCode + ", " + resultCode);
    if (requestCode != CHILD_REQUEST_CODE) {
      super.onActivityResult(requestCode, resultCode, data);
      return;
    }

    this.setResult(requestCode, data);
    if (data != null) {
      this.setAccountAuthenticatorResult(data.getExtras());

      // We want to drop ourselves off the back stack if the user successfully
      // created or signed in to an account. We can easily determine this by
      // checking for the presence of response data.
      this.finish();
    }
  }

  protected void linkifyOldFirefoxLink() {
    TextView oldFirefox = (TextView) findViewById(R.id.old_firefox);
    String text = getResources().getString(R.string.fxaccount_getting_started_old_firefox);
    final String url = FirefoxAccounts.getOldSyncUpgradeURL(getResources(), Locale.getDefault());
    FxAccountUtils.pii(LOG_TAG, "Old Firefox url is: " + url); // Don't want to leak locale in particular.
    ActivityUtils.linkTextView(oldFirefox, text, url);
  }
}