using UnityEngine;
using System;
using System.Xml.Serialization;
using Firebase.Messaging;
using Firebase;
using UnityEngine.Android;
#if UNITY_ANDROID
using Unity.Notifications.Android;
#elif UNITY_IOS
using Unity.Notifications.iOS;
#endif

public class NotifyMgr : MonoBehaviour
{
#if VER_ONESTORE
    protected const string ChannelId = "jf_onestore";
#elif UNITY_ANDROID
    protected const string ChannelId = "jf_google";
#else
    protected const string ChannelId = "jf_apple";
#endif
    protected const string ChannelName = "Jelly";
    protected const string ChannelDesc = "Jelly News";

    protected static bool bEndNoti = false;
    protected static bool bInitChannel = false;

    static bool notifiOn = true;
    static bool midNightNotifiOn = true;

    public static void SetNotifiON(bool bvalue)
    {
        notifiOn = bvalue;
    }

    public static void SetnightNotifiON(bool bvalue)
    {
        midNightNotifiOn = bvalue;
    }

    public static void SSendEndNoti()
    {
        if (bEndNoti)
            return;
        bEndNoti = true;
        SSendLocalNotification(notifiOn, midNightNotifiOn, true, TimeUtils.NextDayUtc());
    }

    public static void SCancelAllNotification()
    {
        bEndNoti = false;
#if UNITY_EDITOR
#elif UNITY_ANDROID
        AndroidNotificationCenter.CancelAllNotifications();
#elif UNITY_IOS
        iOSNotificationCenter.RemoveAllDeliveredNotifications();
        iOSNotificationCenter.RemoveAllScheduledNotifications();
#endif
    }

    private static DateTime nightStartTime = DateTime.Today.AddHours(15); // 밤 9시
    private static DateTime korNightStartTime= nightStartTime.AddHours(9);
    private static DateTime morningEndTime = DateTime.Today.AddHours(18); // 아침 8시
    private static DateTime korMorningEndTime = morningEndTime.AddHours(9);

    public static void SSendLocalNotification(bool isNotiflyOn, bool isNightNotiflyOn, bool bcancelall, DateTime datetimeutc, string strtitle = null, string strmsg = null)
    {
        if (!isNotiflyOn)
        {
            return;
        }

        if (datetimeutc >= korNightStartTime || datetimeutc <= korMorningEndTime)
        {
            if (!isNightNotiflyOn)
            {
                return;
            }
        }
        
        if (bcancelall)
            SCancelAllNotification();

        if (string.IsNullOrEmpty(strtitle))
            strtitle = LocalizationText.GetText("msg_localpushtitle001");
        if (string.IsNullOrEmpty(strmsg))
            strmsg = LocalizationText.GetText("msg_localpushbody001");

#if UNITY_EDITOR
#elif UNITY_ANDROID
        if (!bInitChannel)
        {
            bInitChannel = true;
            AndroidNotificationChannel channel = new AndroidNotificationChannel(ChannelId, ChannelName, ChannelDesc, Importance.Default);
            AndroidNotificationCenter.RegisterNotificationChannel(channel);
        }

        AndroidNotification notification = new AndroidNotification();
        notification.Title = strtitle;
        notification.Text = strmsg;
        notification.FireTime = datetimeutc.ToLocalTime();
        notification.SmallIcon = "icon_0";
        notification.LargeIcon = "icon_1";

        AndroidNotificationCenter.SendNotification(notification, ChannelId);
#elif UNITY_IOS

        iOSNotification notification = new iOSNotification();
        notification.Title = strtitle;
        notification.Body = strmsg;
        notification.ShowInForeground = false;
        notification.CategoryIdentifier = ChannelId;

        DateTime datetimelocal = datetimeutc.ToLocalTime();
        iOSNotificationCalendarTrigger trigger = new iOSNotificationCalendarTrigger()
        {
            Year = datetimelocal.Year,
            Month = datetimelocal.Month,
            Day = datetimelocal.Day,
            Hour = datetimelocal.Hour,
            Minute = datetimelocal.Minute,
            Second = datetimelocal.Second,
            Repeats = false
        };
        notification.Trigger = trigger;

        iOSNotificationCenter.ScheduleNotification(notification);

#endif
    }

    //https://firebase.google.com/docs/cloud-messaging/unity/client?hl=ko 의 클라우드 메시징 초기화 부분
    //https://siyan.tistory.com/9 를 참조. 하기전에 파이어베이스 메세지 패키지도 임포팅함. 구글서비스는 임포팅되어있어서 건너뜀
    //https://velog.io/@maratangsoft/%EC%9C%A0%EB%8B%88%ED%8B%B0-%EC%95%88%EB%93%9C%EB%A1%9C%EC%9D%B4%EB%93%9C-%EC%95%B1%EC%97%90%EC%84%9C-FCM-%EC%84%9C%EB%B2%84-%ED%91%B8%EC%8B%9C-%EB%B0%9B%EA%B8%B0
    //https://boxwitch.tistory.com/entry/%EC%9C%A0%EB%8B%88%ED%8B%B0-%EC%95%88%EB%93%9C%EB%A1%9C%EC%9D%B4%EB%93%9C-%EB%A1%9C%EC%BB%AC%ED%91%B8%EC%8B%9C-Mobile-Notifications
    //맨 아래쪽은 아이콘, 3번째는 아이콘 기능을 추가하기 위해 찾은 곳.
    string CHANNEL_ID = "myChannel";
    int apiLevel;

    void Start()
    {
#if UNITY_ANDROID
        InitializeAndroidLocalPush();//로컬 푸시 알림 초기화
        InitializeFCM();//파이어베이스 푸시 알림 초기화
#elif UNITY_IOS

#endif
    }

    public void InitializeAndroidLocalPush()//로컬푸시 알림 초기화
    {
#if UNITY_ANDROID
        string androidInfo = SystemInfo.operatingSystem;
        Debug.Log("androidInfo: " + androidInfo);
        apiLevel = int.Parse(androidInfo.Substring(androidInfo.IndexOf("-") + 1, 2));
        Debug.Log("apiLevel: " + apiLevel);

        if (apiLevel >= 33 &&
            !Permission.HasUserAuthorizedPermission("android.permission.POST_NOTIFICATIONS"))//API 에 따라 알림 초기화가 다르게 동작된다.
        {
            Permission.RequestUserPermission("android.permission.POST_NOTIFICATIONS");
        }

        if (apiLevel >= 26)
        {
            var channel = new AndroidNotificationChannel()
            {
                Id = CHANNEL_ID,
                Name = "test",
                Importance = Importance.High,
                Description = "for test",
            };
            AndroidNotificationCenter.RegisterNotificationChannel(channel);
        }
#else
        //TODO: iOS
#endif
    }

    public void InitializeFCM()//파이어베이스 메세징 초기화
    {
        FirebaseApp.CheckAndFixDependenciesAsync().ContinueWith(task => {
            var dependencyStatus = task.Result;
            if (dependencyStatus == DependencyStatus.Available)
            {
                Debug.Log("Google Play version OK");

                FirebaseMessaging.TokenReceived += OnTokenReceived;
                FirebaseMessaging.MessageReceived += OnMessageReceived;
                //FirebaseMessaging.RequestPermissionAsync().ContinueWithOnMainThread(task => {
                //    Debug.Log("push permission: " + task.Status.ToString());
                //});
            }
            else
            {
                Debug.LogError(string.Format(
                    "Could not resolve all Firebase dependencies: {0}",
                    dependencyStatus
                ));
            }
        });
    }

    public void OnTokenReceived(object sender, TokenReceivedEventArgs token)//알람을 받았을때 디버그 확인용. 에디터에서는 알람을 받지 못 한다.
    {
        Debug.Log("OnTokenReceived: " + token.Token);
    }

    public void OnMessageReceived(object sender, MessageReceivedEventArgs e)//알림메세지를 처리하고 안드로이드 푸시를 생성한다. 아이콘의 교체도 여기서 이뤄진다.
    {
#if UNITY_ANDROID
        //아이콘은 C:\Users\stone110\Documents\zombiestone_test\Zombie\Library\Bee\Android\Prj\IL2CPP\Gradle\unityLibrary\FirebaseApp.androidlib\res 의 drawable 쪽에 있음.
        string type = "";
        string title = "";
        string body = "";

        // for notification message
        if (e.Message.Notification != null)
        {
            type = "notification";
            title = e.Message.Notification.Title;
            body = e.Message.Notification.Body;
        }
        // for data message
        else if (e.Message.Data.Count > 0)
        {
            type = "data";
            title = e.Message.Data["title"];
            body = e.Message.Data["body"];
        }
        Debug.Log("message type: " + type + ", title: " + title + ", body: " + body);

        var notification = new AndroidNotification();
        notification.SmallIcon = "icon_0";
        notification.Title = title;
        notification.Text = body;
        notification.FireTime = System.DateTime.Now;

        notification.SmallIcon = "icon_0";

        if (apiLevel >= 26)
        {
            AndroidNotificationCenter.SendNotification(notification, CHANNEL_ID);
        }
        else
        {
            Debug.LogError("Android 8.0 이상의 디바이스에서만 푸시 알림이 정상적으로 표시됩니다.");
        }
#else
        //TODO: iOS
#endif
    }
}