/*
 * Copyright (C) 2015 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 android.assist.common;

import android.R;
import android.content.ComponentName;
import android.os.Bundle;

import org.json.JSONException;
import org.json.JSONObject;

import java.util.ArrayList;

public class Utils {
    public static final String TESTCASE_TYPE = "testcase_type";
    public static final String TESTINFO = "testinfo";
    public static final String ACTION_PREFIX = "android.intent.action.";
    public static final String BROADCAST_INTENT = ACTION_PREFIX + "ASSIST_TESTAPP";
    public static final String BROADCAST_ASSIST_DATA_INTENT = ACTION_PREFIX + "ASSIST_DATA";
    public static final String BROADCAST_INTENT_START_ASSIST = ACTION_PREFIX + "START_ASSIST";
    public static final String ASSIST_RECEIVER_REGISTERED = ACTION_PREFIX + "ASSIST_READY";

    public static final String ACTION_INVALIDATE = "invalidate_action";
    public static final String GET_CONTENT_VIEW_HEIGHT = ACTION_PREFIX + "GET_CONTENT_VIEW_HEIGHT";
    public static final String BROADCAST_CONTENT_VIEW_HEIGHT = ACTION_PREFIX + "VIEW_HEIGHT";
    public static final String TEST_ERROR = "Error In Test:";

    public static final String ASSIST_STRUCTURE_KEY = "assist_structure";
    public static final String ASSIST_CONTENT_KEY = "assist_content";
    public static final String ASSIST_BUNDLE_KEY = "assist_bundle";
    public static final String ASSIST_SCREENSHOT_KEY = "assist_screenshot";
    public static final String SCREENSHOT_COLOR_KEY = "set_screenshot_color";
    public static final String COMPARE_SCREENSHOT_KEY = "compare_screenshot";
    public static final String DISPLAY_WIDTH_KEY = "display_width";
    public static final String DISPLAY_HEIGHT_KEY = "dislay_height";

    /** Lifecycle Test intent constants */
    public static final String LIFECYCLE_PREFIX = ACTION_PREFIX + "lifecycle_";
    public static final String LIFECYCLE_HASRESUMED = LIFECYCLE_PREFIX + "hasResumed";
    public static final String LIFECYCLE_ONPAUSE = LIFECYCLE_PREFIX + "onpause";
    public static final String LIFECYCLE_ONSTOP = LIFECYCLE_PREFIX + "onstop";
    public static final String LIFECYCLE_ONDESTROY = LIFECYCLE_PREFIX + "ondestroy";

    /** Focus Change Test intent constants */
    public static final String GAINED_FOCUS = ACTION_PREFIX + "focus_changed";
    public static final String LOST_FOCUS = ACTION_PREFIX + "lost_focus";

    /** Flag Secure Test intent constants */
    public static final String FLAG_SECURE_HASRESUMED = ACTION_PREFIX + "flag_secure_hasResumed";
    public static final String APP_3P_HASRESUMED = ACTION_PREFIX + "screenshot_hasResumed";
    public static final String ASSIST_STRUCTURE_HASRESUMED = ACTION_PREFIX
            + "assist_structure_hasResumed";

    /** Two second timeout for getting back assist context */
    public static final int TIMEOUT_MS = 2 * 1000;
    /** Four second timeout for an activity to resume */
    public static final int ACTIVITY_ONRESUME_TIMEOUT_MS = 4000;

    public static final String EXTRA_REGISTER_RECEIVER = "register_receiver";

    /** Extras for passing the Assistant's ContentView's dimensions*/
    public static final String EXTRA_CONTENT_VIEW_HEIGHT = "extra_content_view_height";
    public static final String EXTRA_CONTENT_VIEW_WIDTH = "extra_content_view_width";
    public static final String EXTRA_DISPLAY_POINT = "extra_display_point";

    /** Test name suffixes */
    public static final String ASSIST_STRUCTURE = "ASSIST_STRUCTURE";
    public static final String DISABLE_CONTEXT = "DISABLE_CONTEXT";
    public static final String FLAG_SECURE = "FLAG_SECURE";
    public static final String LIFECYCLE = "LIFECYCLE";
    public static final String SCREENSHOT = "SCREENSHOT";
    public static final String EXTRA_ASSIST = "EXTRA_ASSIST";
    public static final String VERIFY_CONTENT_VIEW = "VERIFY_CONTENT_VIEW";
    public static final String FOCUS_CHANGE = "FOCUS_CHANGE";

    /** Session intent constants */
    public static final String HIDE_SESSION = "android.intent.action.hide_session";

    /** Extra data to add to assist data and assist content */
    private static Bundle EXTRA_ASSIST_BUNDLE;
    private static String STRUCTURED_JSON;

    public static final String getStructuredJSON() throws Exception {
        if (STRUCTURED_JSON == null) {
            STRUCTURED_JSON = new JSONObject()
                    .put("@type", "MusicRecording")
                    .put("@id", "https://example/music/recording")
                    .put("url", "android-app://com.example/https/music/album")
                    .put("name", "Album Title")
                    .put("hello", "hi there")
                    .put("knownNull", null)
                    .put("unicode value", "\ud800\udc35")
                    .put("empty string", "")
                    .put("LongString",
                        "lkasdjfalsdkfjalsdjfalskj9i9234jl1w23j4o123j412l3j421l3kj412l3kj1l3k4j32")
                    .put("\ud800\udc35", "any-value")
                    .put("key with spaces", "any-value")
                    .toString();
        }
        return STRUCTURED_JSON;
    }

    public static final Bundle getExtraAssistBundle() {
        if (EXTRA_ASSIST_BUNDLE == null) {
            EXTRA_ASSIST_BUNDLE = new Bundle();
            addExtraAssistDataToBundle(EXTRA_ASSIST_BUNDLE);
        }
        return EXTRA_ASSIST_BUNDLE;
    }

    public static void addExtraAssistDataToBundle(Bundle data) {
        data.putString("hello", "there");
        data.putBoolean("isthis_true_or_false", true);
        data.putInt("number", 123);
    }

    /** The shim activity that starts the service associated with each test. */
    public static final String getTestActivity(String testCaseType) {
        switch (testCaseType) {
            case DISABLE_CONTEXT:
                // doesn't need to wait for activity to resume
                // can be activated on top of any non-secure activity.
                return "service.DisableContextActivity";
            case ASSIST_STRUCTURE:
            case FLAG_SECURE:
            case LIFECYCLE:
            case SCREENSHOT:
            case EXTRA_ASSIST:
            case VERIFY_CONTENT_VIEW:
            case FOCUS_CHANGE:
                return "service.DelayedAssistantActivity";
            default:
                return "";
        }
    }

    /**
     * The test app associated with each test.
     */
    public static final ComponentName getTestAppComponent(String testCaseType) {
        switch (testCaseType) {
            case ASSIST_STRUCTURE:
            case DISABLE_CONTEXT:
                return new ComponentName(
                        "android.assist.testapp", "android.assist.testapp.TestApp");
            case FLAG_SECURE:
                return new ComponentName(
                        "android.assist.testapp", "android.assist.testapp.SecureActivity");
            case LIFECYCLE:
                return new ComponentName(
                        "android.assist.testapp", "android.assist.testapp.LifecycleActivity");
            case SCREENSHOT:
                return new ComponentName(
                        "android.assist.testapp", "android.assist.testapp.ScreenshotActivity");
            case EXTRA_ASSIST:
                return new ComponentName(
                        "android.assist.testapp", "android.assist.testapp.ExtraAssistDataActivity");
            case FOCUS_CHANGE:
                return new ComponentName(
                        "android.assist.testapp", "android.assist.testapp.FocusChangeActivity");
            default:
                return new ComponentName("","");
        }
    }

    /**
     * Returns the amount of time to wait for assist data.
     */
    public static final int getAssistDataTimeout(String testCaseType) {
        switch (testCaseType) {
            case SCREENSHOT:
                // needs to wait for 3p activity to resume before receiving assist data.
                return TIMEOUT_MS + ACTIVITY_ONRESUME_TIMEOUT_MS;
            default:
                return TIMEOUT_MS;
        }
    }

    public static final String toBundleString(Bundle bundle) {
        if (bundle == null) {
            return "*** Bundle is null ****";
        }
        StringBuffer buf = new StringBuffer("Bundle is: ");
        String testType = bundle.getString(TESTCASE_TYPE);
        if (testType != null) {
            buf.append("testcase type = " + testType);
        }
        ArrayList<String> info = bundle.getStringArrayList(TESTINFO);
        if (info != null) {
            for (String s : info) {
                buf.append(s + "\n\t\t");
            }
        }
        return buf.toString();
    }

    public static final void addErrorResult(final Bundle testinfo, final String msg) {
        testinfo.getStringArrayList(testinfo.getString(Utils.TESTCASE_TYPE))
            .add(TEST_ERROR + " " + msg);
    }
}