using Microsoft.EntityFrameworkCore;
using RadicadeServer.API.Notifications;
using RadicadeServer.DB;
using RadicadeServer.RecNet.Enums.Messages;
using RadicadeServer.RecNet.Enums.Moderation;
using RadicadeServer.RecNet.Messages;
using RadicadeServer.RecNet.Moderation;
using RadicadeServer.RecNet.Notifications;

namespace RadicadeServer.Utils
{
		public static class VoiceChatRestrictions
	{
				public const string NotificationId = "VoiceChatRestriction";

		public const string Method = "Voice Restriction";

				public const long CoachAccountId = 1;

				public const string CoachMessage =
			"You have had your voice privileges temporarily restricted due to speech which violates the Code of Conduct.";

		public static readonly TimeSpan DefaultDuration = TimeSpan.FromHours(24);

		public static readonly TimeSpan MinimumDuration = TimeSpan.FromHours(1);

		public static readonly TimeSpan MaximumDuration = TimeSpan.FromDays(30);

		public static TimeSpan ClampDuration(TimeSpan duration)
		{
			if (duration < MinimumDuration) return MinimumDuration;
			if (duration > MaximumDuration) return MaximumDuration;
			return duration;
		}

				public static Task<VoiceChatRestriction?> ActiveAsync(RecDBContext db, long playerId) =>
			db.VoiceChatRestrictions.AsNoTracking()
				.Where(x => x.PlayerId == playerId && x.ClearedAt == null && x.ExpiresAt > DateTime.UtcNow)
				.OrderByDescending(x => x.ExpiresAt)
				.FirstOrDefaultAsync();

		public static async Task<bool> IsRestrictedAsync(RecDBContext db, long playerId) =>
			await ActiveAsync(db, playerId) != null;

				public static async Task<VoiceChatRestriction> ApplyAsync(
			RecDBContext db,
			long playerId,
			string reason,
			ReportCategory category,
			TimeSpan duration,
			string issuedBy,
			string? issuedByUsername = null,
			string? moderatorNote = null)
		{
			var now = DateTime.UtcNow;
			var clamped = ClampDuration(duration);

			var restriction = await db.VoiceChatRestrictions
				.Where(x => x.PlayerId == playerId && x.ClearedAt == null && x.ExpiresAt > now)
				.OrderByDescending(x => x.ExpiresAt)
				.FirstOrDefaultAsync();

			if (restriction == null)
			{
				restriction = new VoiceChatRestriction
				{
					PlayerId = playerId,
					StartedAt = now,
					ExpiresAt = now + clamped
				};
				await db.VoiceChatRestrictions.AddAsync(restriction);
			}
			else
			{
				var extended = now + clamped;
				if (extended > restriction.ExpiresAt) restriction.ExpiresAt = extended;
				restriction.StartedAt = now;
			}

			restriction.Reason = reason;
			restriction.Category = category;
			restriction.IssuedBy = issuedBy;
			restriction.IssuedByUsername = issuedByUsername;
			restriction.ModeratorNote = moderatorNote;

			await db.SaveChangesAsync();
			await TellPlayerAsync(playerId);
			return restriction;
		}

				private static async Task TellPlayerAsync(long playerId)
		{
			try
			{
				await Notify.SendMessage(playerId, new Message
				{
					Type = MessageType.CoachMessage,
					Data = CoachMessage,
					FromPlayerId = CoachAccountId
				});
			}
			catch
			{
			}
		}

				public static async Task<bool> ClearAsync(RecDBContext db, long playerId, string? clearedBy = null)
		{
			var now = DateTime.UtcNow;
			var active = await db.VoiceChatRestrictions
				.Where(x => x.PlayerId == playerId && x.ClearedAt == null && x.ExpiresAt > now)
				.ToListAsync();

			if (active.Count == 0) return false;

			foreach (var restriction in active)
			{
				restriction.ClearedAt = now;
				restriction.ClearedBy = clearedBy;
			}

			await db.SaveChangesAsync();
			return true;
		}

				public static object Payload(VoiceChatRestriction? restriction) => new
		{
			restricted = restriction != null,
			playerId = restriction?.PlayerId ?? 0,
			reason = restriction?.Reason ?? "",
			category = restriction?.Category.ToString() ?? "",
			startedAtUtc = restriction?.StartedAt,
			expiresAtUtc = restriction?.ExpiresAt,
			secondsRemaining = restriction == null
				? 0
				: (int)Math.Max(0, (restriction.ExpiresAt - DateTime.UtcNow).TotalSeconds)
		};

				public static async Task PushAsync(long playerId, VoiceChatRestriction? restriction)
		{
			try
			{
				await Notify.SendNotify(playerId, new Notification
				{
					Id = NotificationId,
					Msg = Payload(restriction)
				});
			}
			catch
			{

			}
		}
	}
}