/*
 * 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.testutils.shadow;

import android.view.InputDevice;

import org.robolectric.annotation.Implementation;
import org.robolectric.annotation.Implements;
import org.robolectric.annotation.Resetter;
import org.robolectric.shadow.api.Shadow;

import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

@Implements(InputDevice.class)
public class ShadowInputDevice extends org.robolectric.shadows.ShadowInputDevice {
    private static Map<Integer, InputDevice> sDeviceMap = new HashMap<>();

    private int mDeviceId;

    private int mSources;

    private boolean mIsFullKeyboard;

    @Implementation
    protected static int[] getDeviceIds() {
        Iterator<Integer> ids = sDeviceMap.keySet().iterator();
        int[] deviceIds = new int[sDeviceMap.size()];
        int i = 0;
        while (ids.hasNext()) {
            deviceIds[i++] = ids.next();
        }
        return deviceIds;
    }

    @Implementation
    protected static InputDevice getDevice(int id) {
        return sDeviceMap.get(id);
    }

    public static void addDevice(int id, InputDevice device) {
        sDeviceMap.put(id, device);
    }

    @Resetter
    public static void reset() {
        sDeviceMap.clear();
    }

    @Implementation
    protected int getId() {
        return mDeviceId;
    }

    public void setId(int id) {
        mDeviceId = id;
    }

    @Implementation
    public int getSources() {
        return mSources;
    }

    public void setSources(int sources) {
        mSources = sources;
    }

    @Implementation
    public boolean isFullKeyboard() {
        return mIsFullKeyboard;
    }

    public void setFullKeyboard(boolean isFullKeyboard) {
        mIsFullKeyboard = isFullKeyboard;
    }

    public static InputDevice makeInputDevicebyId(int id) {
        final InputDevice inputDevice = Shadow.newInstanceOf(InputDevice.class);
        final ShadowInputDevice shadowInputDevice = Shadow.extract(inputDevice);
        shadowInputDevice.setId(id);
        return inputDevice;
    }

    public static InputDevice makeInputDevicebyIdWithSources(int id, int sources) {
        final InputDevice inputDevice = Shadow.newInstanceOf(InputDevice.class);
        final ShadowInputDevice shadowInputDevice = Shadow.extract(inputDevice);
        shadowInputDevice.setId(id);
        shadowInputDevice.setSources(sources);
        return inputDevice;
    }

    /**
     * Create a full keyboard input device shadow.
     * @param id The ID to use. If the ID is < 1, the device is considered virtual.
     * @return The shadow InputDevice
     */
    public static InputDevice makeFullKeyboardInputDevicebyId(int id) {
        final InputDevice inputDevice = Shadow.newInstanceOf(InputDevice.class);
        final ShadowInputDevice shadowInputDevice = Shadow.extract(inputDevice);
        shadowInputDevice.setId(id);
        shadowInputDevice.setFullKeyboard(true);
        shadowInputDevice.setSources(InputDevice.SOURCE_KEYBOARD);
        return inputDevice;
    }
}