/*
 * Copyright (C) 2023 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.deviceaswebcam.utils;

import android.annotation.Nullable;
import android.content.Context;
import android.content.SharedPreferences;

import com.android.DeviceAsWebcam.R;

/**
 * Utility class for reading/writing user preferences from/to SharedPreferences.
 */
public class UserPrefs {
    private final Context mContext;
    private final SharedPreferences mPrefs;
    private final SharedPreferences.Editor mPrefsEditor;

    public UserPrefs(Context context) {
        mContext = context;
        mPrefs = context.getSharedPreferences(context.getString(R.string.prefs_file_name),
                Context.MODE_PRIVATE);
        mPrefsEditor = mPrefs.edit();
    }

    /**
     * Read the stored zoom ratio for the given cameraId. Returns {@code defaultZoom} if no entry
     * is found.
     */
    public synchronized float fetchZoomRatio(String cameraId, float defaultZoom) {
        return mPrefs.getFloat(mContext.getString(R.string.prefs_zoom_ratio_key, cameraId),
                defaultZoom);
    }

    /**
     * Write the provided zoom ratio for the given cameraId to SharedPrefs.
     */
    public synchronized void storeZoomRatio(String cameraId, float zoom) {
        mPrefsEditor.putFloat(mContext.getString(R.string.prefs_zoom_ratio_key, cameraId), zoom);
        mPrefsEditor.apply();
    }

    /**
     * Read and return the stored cameraId, or return {@code defaultCameraId} if no cameraId is
     * stored.
     */
    @Nullable
    public synchronized String fetchCameraId(@Nullable String defaultCameraId) {
        return mPrefs.getString(mContext.getString(R.string.prefs_camera_id_key), defaultCameraId);
    }

    /**
     * Write cameraId to SharedPrefs.
     */
    public synchronized void storeCameraId(String cameraId) {
        mPrefsEditor.putString(mContext.getString(R.string.prefs_camera_id_key), cameraId);
        mPrefsEditor.apply();
    }

    /**
     * Read and return the stored back cameraId, or return {@code defaultCameraId} if no cameraId]
     * is stored.
     */
    @Nullable
    public synchronized String fetchBackCameraId(@Nullable String defaultCameraId) {
        return mPrefs.getString(mContext.getString(R.string.prefs_back_camera_id_key),
                defaultCameraId);
    }

    /**
     * Write back cameraId to SharedPrefs.
     */
    public synchronized void storeBackCameraId(String cameraId) {
        mPrefsEditor.putString(mContext.getString(R.string.prefs_back_camera_id_key), cameraId);
        mPrefsEditor.apply();
    }

    /**
     * Read and return the stored front cameraId, or return {@code defaultCameraId} if no cameraId]
     * is stored.
     */
    @Nullable
    public synchronized String fetchFrontCameraId(@Nullable String defaultCameraId) {
        return mPrefs.getString(mContext.getString(R.string.prefs_front_camera_id_key),
                defaultCameraId);
    }

    /**
     * Write front cameraId to SharedPrefs.
     */
    public synchronized void storeFrontCameraId(String cameraId) {
        mPrefsEditor.putString(mContext.getString(R.string.prefs_front_camera_id_key), cameraId);
        mPrefsEditor.apply();
    }

    /**
     * Read and return the stored HighQualityMode preference, or return {@code defaultValue} if
     * not set.
     */
    public synchronized boolean fetchHighQualityModeEnabled(boolean defaultValue) {
        return mPrefs.getBoolean(mContext.getString(R.string.prefs_high_quality_mode_enabled),
                defaultValue);
    }

    /**
     * Write preferred HighQualityMode to SharedPrefs.
     */
    public synchronized void storeHighQualityModeEnabled(boolean enabled) {
        mPrefsEditor.putBoolean(mContext.getString(R.string.prefs_high_quality_mode_enabled),
                enabled);
        mPrefsEditor.apply();
    }

    public synchronized boolean fetchHighQualityWarningEnabled(boolean defaultValue) {
        return mPrefs.getBoolean(mContext.getString(R.string.prefs_high_quality_warning_enabled),
                defaultValue);
    }

    public synchronized void storeHighQualityWarningEnabled(boolean value) {
        mPrefsEditor.putBoolean(mContext.getString(R.string.prefs_high_quality_warning_enabled),
                value);
        mPrefsEditor.apply();
    }
}