/*
 * Copyright (C) 2017 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.development;

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.os.UserManager;
import android.provider.SearchIndexableResource;
import android.support.annotation.VisibleForTesting;
import android.util.Log;
import android.widget.Switch;

import com.android.internal.logging.nano.MetricsProto;
import com.android.settings.R;
import com.android.settings.SettingsActivity;
import com.android.settings.Utils;
import com.android.settings.dashboard.RestrictedDashboardFragment;
import com.android.settings.search.BaseSearchIndexProvider;
import com.android.settings.search.Indexable;
import com.android.settings.widget.SwitchBar;
import com.android.settingslib.core.AbstractPreferenceController;
import com.android.settingslib.core.lifecycle.Lifecycle;
import com.android.settingslib.development.DevelopmentSettingsEnabler;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

public class DevelopmentSettingsDashboardFragment extends RestrictedDashboardFragment
        implements SwitchBar.OnSwitchChangeListener, OemUnlockDialogHost {

    private static final String TAG = "DevSettingsDashboard";

    private boolean mIsAvailable = true;
    private SwitchBar mSwitchBar;
    private DevelopmentSwitchBarController mSwitchBarController;
    private List<AbstractPreferenceController> mPreferenceControllers = new ArrayList<>();

    public DevelopmentSettingsDashboardFragment() {
        super(UserManager.DISALLOW_DEBUGGING_FEATURES);
    }

    @Override
    public void onActivityCreated(Bundle icicle) {
        super.onActivityCreated(icicle);
        // Apply page-level restrictions
        setIfOnlyAvailableForAdmins(true);
        if (isUiRestricted() || !Utils.isDeviceProvisioned(getActivity())) {
            // Block access to developer options if the user is not the owner, if user policy
            // restricts it, or if the device has not been provisioned
            mIsAvailable = false;
            // Show error message
            if (!isUiRestrictedByOnlyAdmin()) {
                getEmptyTextView().setText(R.string.development_settings_not_available);
            }
            getPreferenceScreen().removeAll();
            return;
        }
        // Set up master switch
        mSwitchBar = ((SettingsActivity) getActivity()).getSwitchBar();
        mSwitchBarController = new DevelopmentSwitchBarController(
                this /* DevelopmentSettings */, mSwitchBar, mIsAvailable, getLifecycle());
        mSwitchBar.show();
    }

    @Override
    public int getMetricsCategory() {
        return MetricsProto.MetricsEvent.DEVELOPMENT;
    }

    @Override
    public void onSwitchChanged(Switch switchView, boolean isChecked) {
        if (switchView != mSwitchBar.getSwitch()) {
            return;
        }
        final boolean developmentEnabledState =
                DevelopmentSettingsEnabler.isDevelopmentSettingsEnabled(getContext());
        if (isChecked != developmentEnabledState) {
            if (isChecked) {
                EnableDevelopmentSettingWarningDialog.show(this /* host */);
            } else {
                DevelopmentSettingsEnabler.setDevelopmentSettingsEnabled(getContext(), false);
                for (AbstractPreferenceController controller : mPreferenceControllers) {
                    if (controller instanceof DeveloperOptionsPreferenceController) {
                        ((DeveloperOptionsPreferenceController) controller)
                                .onDeveloperOptionsDisabled();
                    }
                }
            }
        }
    }

    @Override
    public void onOemUnlockDialogConfirmed() {
        final OemUnlockPreferenceController controller = getDevelopmentOptionsController(
                OemUnlockPreferenceController.class);
        controller.onOemUnlockConfirmed();
    }

    @Override
    public void onOemUnlockDialogDismissed() {
        final OemUnlockPreferenceController controller = getDevelopmentOptionsController(
                OemUnlockPreferenceController.class);
        controller.onOemUnlockDismissed();
    }

    @Override
    public void onActivityResult(int requestCode, int resultCode, Intent data) {
        for (AbstractPreferenceController controller : mPreferenceControllers) {
            if (controller instanceof DeveloperOptionsPreferenceController) {
                if (((DeveloperOptionsPreferenceController) controller).onActivityResult(
                        requestCode, resultCode, data)) {
                    return;
                }
            }
        }
        super.onActivityResult(requestCode, resultCode, data);
    }

    @Override
    protected String getLogTag() {
        return TAG;
    }

    @Override
    protected int getHelpResource() {
        return 0;
    }

    @Override
    protected int getPreferenceScreenResId() {
        Log.d(TAG, "Creating pref screen");
        return R.xml.development_prefs;
    }

    @Override
    protected List<AbstractPreferenceController> getPreferenceControllers(Context context) {
        mPreferenceControllers = buildPreferenceControllers(context, getActivity(), getLifecycle(),
                this /* devOptionsDashboardFragment */);
        return mPreferenceControllers;
    }

    void onEnableDevelopmentOptionsConfirmed() {
        DevelopmentSettingsEnabler.setDevelopmentSettingsEnabled(getContext(), true);
        for (AbstractPreferenceController controller : mPreferenceControllers) {
            if (controller instanceof DeveloperOptionsPreferenceController) {
                ((DeveloperOptionsPreferenceController) controller).onDeveloperOptionsEnabled();
            }
        }
    }

    void onEnableDevelopmentOptionsRejected() {
        // Reset the toggle
        mSwitchBar.setChecked(false);
    }

    private static List<AbstractPreferenceController> buildPreferenceControllers(Context context,
            Activity activity, Lifecycle lifecycle, DevelopmentSettingsDashboardFragment fragment) {
        final List<AbstractPreferenceController> controllers = new ArrayList<>();
        // take bug report
        // desktop backup password
        controllers.add(new StayAwakePreferenceController(context, lifecycle));
        // hdcp checking
        controllers.add(new BluetoothSnoopLogPreferenceController(context));
        controllers.add(new OemUnlockPreferenceController(context, activity, fragment));
        // running services
        // convert to file encryption
        controllers.add(new PictureColorModePreferenceController(context, lifecycle));
        // webview implementation
        controllers.add(new CoolColorTemperaturePreferenceController(context));
        // automatic system updates
        // system ui demo mode
        // quick settings developer tiles
        // usb debugging
        // revoke usb debugging authorizations
        controllers.add(new LocalTerminalPreferenceController(context));
        // bug report shortcut
        // select mock location app
        controllers.add(new DebugViewAttributesPreferenceController(context));
        // select debug app
        // wait for debugger
        // verify apps over usb
        // logger buffer sizes
        // store logger data persistently on device
        // telephony monitor
        // camera laser sensor
        // camera HAL HDR+
        // feature flags
        controllers.add(new WifiDisplayCertificationPreferenceController(context));
        // enable wi-fi verbose logging
        // aggressive wifi to mobile handover
        // always allow wifi roam scans
        // mobile always active
        // tethering hardware acceleration
        // select usb configuration
        // show bluetooth devices without names
        // disable absolute volume
        // enable in-band ringing
        // bluetooth avrcp version
        // bluetooth audio codec
        // bluetooth audio sample rate
        // bluetooth audio bits per sample
        // bluetooth audio channel mode
        // bluetooth audio ldac codec: playback quality
        // show taps
        // pointer location
        // show surface updates
        // show layout bounds
        // force rtl layout direction
        // window animation scale
        // transition animation scale
        // animator duration scale
        // simulate secondary displays
        // smallest width
        // force gpu rendering
        // show gpu view updates
        // show hardware layers updates
        // debug gpu overdraw
        // debug non-rectangular clip operations
        // force 4x msaa
        // disable hw overlays
        // simulate color space
        // set gpu renderer
        // disable usb audio routing
        // strict mode enabled
        // profile gpu rendering
        // don't keep activities
        // background process limit
        // background check
        // show all anrs
        // show notification channel warnings
        // inactive apps
        // force allow apps on external
        // force activities to be resizable
        // reset shortcutmanager rate-limiting
        return controllers;
    }

    @VisibleForTesting
    <T extends AbstractPreferenceController> T getDevelopmentOptionsController(Class<T> clazz) {
        return getPreferenceController(clazz);
    }

    /**
     * For Search.
     */
    public static final Indexable.SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
            new BaseSearchIndexProvider() {

                @Override
                protected boolean isPageSearchEnabled(Context context) {
                    return DevelopmentSettingsEnabler.isDevelopmentSettingsEnabled(context);
                }

                @Override
                public List<SearchIndexableResource> getXmlResourcesToIndex(
                        Context context, boolean enabled) {

                    final SearchIndexableResource sir = new SearchIndexableResource(context);
                    sir.xmlResId = R.xml.development_prefs;
                    return Arrays.asList(sir);
                }

                @Override
                public List<AbstractPreferenceController> getPreferenceControllers(Context
                        context) {
                    return buildPreferenceControllers(context, null /* activity */,
                            null /* lifecycle */, null /* devOptionsDashboardFragment */);
                }
            };
}