/*
 * Copyright (C) 2014 The Android Open Source Project
 *
 * 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 com.android.settings;

import com.android.setupwizardlib.SetupWizardLayout;
import com.android.setupwizardlib.view.NavigationBar;

import android.app.Activity;
import android.app.admin.DevicePolicyManager;
import android.content.Context;
import android.content.Intent;
import android.content.res.Resources;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

/**
 * Setup Wizard's version of EncryptionInterstitial screen. It inherits the logic and basic
 * structure from EncryptionInterstitial class, and should remain similar to that behaviorally. This
 * class should only overload base methods for minor theme and behavior differences specific to
 * Setup Wizard. Other changes should be done to EncryptionInterstitial class instead and let this
 * class inherit those changes.
 */
public class SetupEncryptionInterstitial extends EncryptionInterstitial {

    public static Intent createStartIntent(Context ctx, int quality,
            boolean requirePasswordDefault) {
        Intent startIntent = EncryptionInterstitial.createStartIntent(ctx, quality,
                requirePasswordDefault);
        startIntent.setClass(ctx, SetupEncryptionInterstitial.class);
        startIntent.putExtra(EXTRA_PREFS_SHOW_BUTTON_BAR, false)
                .putExtra(EXTRA_SHOW_FRAGMENT_TITLE_RESID, -1);
        return startIntent;
    }

    @Override
    public Intent getIntent() {
        Intent modIntent = new Intent(super.getIntent());
        modIntent.putExtra(EXTRA_SHOW_FRAGMENT,
                SetupEncryptionInterstitialFragment.class.getName());
        return modIntent;
    }

    @Override
    protected boolean isValidFragment(String fragmentName) {
        return SetupEncryptionInterstitialFragment.class.getName().equals(fragmentName);
    }

    @Override
    protected void onApplyThemeResource(Resources.Theme theme, int resid, boolean first) {
        resid = SetupWizardUtils.getTheme(getIntent());
        super.onApplyThemeResource(theme, resid, first);
    }

    public static class SetupEncryptionInterstitialFragment extends EncryptionInterstitialFragment
            implements NavigationBar.NavigationBarListener {

        @Override
        public View onCreateView(LayoutInflater inflater, ViewGroup container,
                Bundle savedInstanceState) {
            final SetupWizardLayout layout = new SetupWizardLayout(inflater.getContext());
            layout.setIllustration(R.drawable.setup_illustration_lock_screen,
                    R.drawable.setup_illustration_horizontal_tile);
            layout.setBackgroundTile(R.drawable.setup_illustration_tile);
            final int headerTextResource = getHeaderTextResource();
            layout.setHeaderText(headerTextResource);

            View content = super.onCreateView(inflater, layout, savedInstanceState);
            layout.addView(content);
            layout.getNavigationBar().setNavigationBarListener(this);

            Activity activity = getActivity();
            if (activity != null) {
                activity.setTitle(headerTextResource);
                SetupWizardUtils.setImmersiveMode(activity);
            }
            return layout;
        }

        private int getHeaderTextResource() {
            final int quality = getActivity().getIntent().getIntExtra(EXTRA_PASSWORD_QUALITY, 0);
            switch (quality) {
                case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING:
                    return R.string.unlock_set_unlock_pattern_title;
                case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC:
                case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX:
                    return R.string.unlock_set_unlock_pin_title;
                default:
                    return R.string.unlock_set_unlock_password_title;
            }
        }

        @Override
        public void onNavigateBack() {
            final Activity activity = getActivity();
            if (activity != null) {
                activity.onBackPressed();
            }
        }

        @Override
        public void onNavigateNext() {
            final SetupEncryptionInterstitial activity =
                    (SetupEncryptionInterstitial) getActivity();
            if (activity != null) {
                activity.setResult(RESULT_OK, activity.getResultIntentData());
                finish();
            }
        }
    }
}