using System.Text.Json;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using RadicadeServer.API.Notifications;
using RadicadeServer.Clubs;
using RadicadeServer.DB;
using RadicadeServer.Extensions;
using RadicadeServer.RecNet.Enums;
using RadicadeServer.RecNet.Events;
using RadicadeServer.RecNet.Enums.Messages;
using RadicadeServer.RecNet.Messages;
using RadicadeServer.RecNet.Responses;
using RadicadeServer.RecNet.Rooms;
using RadicadeServer.Utils;
using ReportCategory = RadicadeServer.RecNet.Enums.Moderation.ReportCategory;

namespace RadicadeServer.API.Events
{
	[Route("api/playerevents")]
	public class EventsAPI(RecDBContext db) : Controller
	{
		private const string DefaultEventImageName = "default";

		private const int EventResultSuccess = 0;



		private const int EventResultBroadcastNotMultiInstance = 27;

		private static List<PlayerEventTag> ParseEventTags(string? tagsJson)
		{
			try
			{
				return JsonSerializer.Deserialize<List<PlayerEventTag>>(tagsJson ?? "[]") ?? [];
			}
			catch
			{
				return [];
			}
		}

		private static PlayerEventTag[] ParsePostedEventTags(Dictionary<string, string> fields)
		{
			var raw = GetEventField(fields, "Tags", "tags");
			if (string.IsNullOrWhiteSpace(raw)) return [];

			try
			{
				using var document = JsonDocument.Parse(raw);
				if (document.RootElement.ValueKind != JsonValueKind.Array) return [];
				return document.RootElement.EnumerateArray()
					.Select(entry =>
					{
						if (entry.ValueKind == JsonValueKind.String)
							return new PlayerEventTag { Tag = entry.GetString() ?? string.Empty };
					if (entry.ValueKind != JsonValueKind.Object)
						return new PlayerEventTag();

					var tag = entry.TryGetProperty("Tag", out var tagValue) || entry.TryGetProperty("tag", out tagValue)
						? tagValue.GetString() ?? string.Empty
						: string.Empty;
				var type = entry.TryGetProperty("Type", out var typeValue) || entry.TryGetProperty("type", out typeValue)
						? typeValue
						: default;
				return new PlayerEventTag
				{
					Tag = tag,
					Type = type.ValueKind == JsonValueKind.Number && type.TryGetInt32(out var parsedType) ? parsedType : 0
				};
			})
					.Where(tag => !string.IsNullOrWhiteSpace(tag.Tag))
					.ToArray();
			}
			catch
			{
				return [];
			}
		}

		private static PlayerEvent ToPlayerEvent(PlayerEventDB ev)
		{
			return new PlayerEvent
			{
				PlayerEventId = ev.PlayerEventId,
				Name = ev.Name,
				Description = ev.Description,
				ImageName = string.IsNullOrWhiteSpace(ev.ImageName) ? DefaultEventImageName : ev.ImageName,
				StartTime = ev.StartTime,
				EndTime = ev.EndTime,
				CreatorPlayerId = ev.CreatorPlayerId,
				AttendeeCount = ev.AttendeeCount,
				RoomId = ev.RoomId,
				SubRoomId = ev.SubRoomId,
				Accessibility = ev.Accessibility,
				ClubId = ev.ClubId,
				State = ev.ModerationState,
				Tags = ParseEventTags(ev.TagsJson),
				CreatedAt = ev.CreatedAt,
				PlayerCount = ev.AttendeeCount,
				IsFull = false,
				IsMultiInstance = ev.IsMultiInstance,
				SupportMultiInstanceRoomChat = ev.SupportMultiInstanceRoomChat,
				DefaultBroadcastPermissions = ev.DefaultBroadcastPermissions,
				CanRequestBroadcastPermissions = ev.CanRequestBroadcastPermissions,
				BroadcastingRoomInstanceId = ev.BroadcastingRoomInstanceId
			};
		}

		private static EventResponse ToEventResponse(PlayerEventResponse r)
		{
			return new EventResponse
			{
				PlayerEventResponseId = r.PlayerEventResponseId,
				PlayerEventId = r.PlayerEventId,
				PlayerId = r.PlayerId,
				CreatedAt = r.CreatedAt,
				Type = r.Type
			};
		}

		private static object ToEventEnvelope(PlayerEventDB ev)
		{
			var playerEvent = ToPlayerEvent(ev);
			return new Dictionary<string, object?>
			{
				["PlayerEventId"] = playerEvent.PlayerEventId,
				["Id"] = playerEvent.PlayerEventId,
				["EventId"] = playerEvent.PlayerEventId,
				["CreatorPlayerId"] = playerEvent.CreatorPlayerId,
				["ImageName"] = playerEvent.ImageName,
				["RoomId"] = playerEvent.RoomId,
				["SubRoomId"] = playerEvent.SubRoomId,
				["ClubId"] = playerEvent.ClubId,
				["Name"] = playerEvent.Name,
				["Description"] = playerEvent.Description,
				["StartTime"] = EventClock.ToWire(playerEvent.StartTime),
				["EndTime"] = EventClock.ToWire(playerEvent.EndTime),
				["AttendeeCount"] = playerEvent.AttendeeCount,
				["Accessibility"] = playerEvent.Accessibility,
				["IsMultiInstance"] = playerEvent.IsMultiInstance,
				["SupportMultiInstanceRoomChat"] = playerEvent.SupportMultiInstanceRoomChat,
				["DefaultBroadcastPermissions"] = playerEvent.DefaultBroadcastPermissions,
				["CanRequestBroadcastPermissions"] = playerEvent.CanRequestBroadcastPermissions,
				["BroadcastingRoomInstanceId"] = playerEvent.BroadcastingRoomInstanceId,
				["Tags"] = playerEvent.Tags.Select(tag => new Dictionary<string, object?>
				{
					["Tag"] = tag.Tag,
					["Type"] = tag.Type
				}).ToArray(),
			};
		}

		private static object ToEventResult(PlayerEventDB ev, int result = EventResultSuccess) => new
		{
			PlayerEvent = ToEventEnvelope(ev),
			Result = result,
			TagModifyResult = new { Result = result, Tags = Array.Empty<string>() }
		};

		[HttpGet("v1/searchlive"), Authorize]
		[HttpGet("v1/search"), Authorize]
		[HttpGet("v2/search"), Authorize]
		public async Task<List<PlayerEvent>> SearchEvents([FromQuery] string? search = null, [FromQuery] string? query = null)
		{
			var events = await db.PlayerEvents.ToListAsync();
			var results = PlayerEventQueries.Search(events, search ?? query, DateTime.UtcNow);

			return results.Select(ToPlayerEvent).ToList();
		}

		[HttpGet("v1"), Authorize]
		public async Task<List<PlayerEvent>> GetBrowseFeed([FromQuery] int skip = 0, [FromQuery] int take = 50)
		{
			var now = DateTime.UtcNow;
			var events = await db.PlayerEvents
				.Where(x => x.EndTime > now)
				.OrderBy(x => x.StartTime)
				.Skip(Math.Max(0, skip))
				.Take(Math.Clamp(take, 0, 100))
				.ToListAsync();

			return events.Select(ToPlayerEvent).ToList();
		}

		[HttpGet("v1/bulk"), Authorize]
		public async Task<List<PlayerEvent>> GetEventsBulk([FromQuery] List<long>? id)
		{
			if (id == null || id.Count == 0) return [];

			var events = await db.PlayerEvents
				.Where(x => id.Contains(x.PlayerEventId))
				.ToDictionaryAsync(x => x.PlayerEventId);

			return id.Where(events.ContainsKey).Select(e => ToPlayerEvent(events[e])).ToList();
		}

		[HttpGet("v1/creator/{playerId}"), Authorize]
		public async Task<List<PlayerEvent>> GetEventsByCreator(long playerId)
		{
			var created = await db.PlayerEvents
				.Where(x => x.CreatorPlayerId == playerId)
				.OrderByDescending(x => x.StartTime)
				.ToListAsync();

			return created.Select(ToPlayerEvent).ToList();
		}

		[HttpGet("v1/tagfilters"), Authorize]
		public RoomFilters GetEventTagFilters()
		{
			var pinned = new List<string>
			{
				"workshops", "celebration", "game", "meetup", "performance",
				"coop", "grandopening", "class", "competition"
			};
			var popular = new List<string>
			{
				"workshops", "celebration", "class", "coop", "competition",
				"game", "grandopening", "meetup", "performance"
			};
			return new RoomFilters
			{
				PinnedFilters = pinned,
				PopularFilters = popular,
				TrendingFilters = null
			};
		}

		[HttpGet("v1/all"), Authorize]
		[HttpGet("v2/all"), Authorize]
		[HttpGet("v2"), Authorize]
		public async Task<AllEvents> GetAllEvents()
		{
			var userId = User.GetUserId() ?? 0;

			var created = await db.PlayerEvents
				.Where(x => x.CreatorPlayerId == userId)
				.OrderByDescending(x => x.StartTime)
				.ToListAsync();

			return new AllEvents
			{
				Created = created.Select(ToPlayerEvent).ToList(),
				Responses = []
			};
		}

		[HttpGet("v1/all/{playerId:long}"), Authorize]
		[HttpGet("v2/all/{playerId:long}"), Authorize]
		public async Task<AllEvents> GetAllEventsForPlayer(long playerId)
		{
			var created = await db.PlayerEvents
				.Where(x => x.CreatorPlayerId == playerId)
				.OrderByDescending(x => x.StartTime)
				.ToListAsync();

			return new AllEvents
			{
				Created = created.Select(ToPlayerEvent).ToList(),
				Responses = []
			};
		}

		[HttpGet("v1/created"), Authorize]
		[HttpGet("v2/created"), Authorize]
		public async Task<List<PlayerEvent>> GetCreatedEvents()
		{
			var userId = User.GetUserId() ?? 0;

			var created = await db.PlayerEvents
				.Where(x => x.CreatorPlayerId == userId)
				.OrderByDescending(x => x.StartTime)
				.ToListAsync();

			return created.Select(ToPlayerEvent).ToList();
		}

		[HttpGet("v1/room/{roomId}"), Authorize]
		public async Task<List<PlayerEvent>> GetEventsInRoom(long roomId)
		{
			var events = await db.PlayerEvents.ToListAsync();
			return PlayerEventQueries.InRoom(events, roomId).Select(ToPlayerEvent).ToList();
		}

		[HttpGet("v1/clubs"), Authorize]
		public async Task<List<PlayerEvent>> GetEventsByClubs([FromQuery] List<long>? id)
		{
			if (id == null || id.Count == 0) return [];

			var events = await db.PlayerEvents
				.Where(x => x.ClubId != null && id.Contains(x.ClubId.Value))
				.OrderBy(x => x.StartTime)
				.ToListAsync();
			return events.Select(ToPlayerEvent).ToList();
		}

		[HttpGet("v1/club/{clubId:long}"), Authorize]
		[HttpGet("v1/club_events/{clubId:long}"), Authorize]
		public async Task<IActionResult> GetEventsByClub(long clubId)
		{
			var events = await db.PlayerEvents
				.Where(x => x.ClubId == clubId)
				.OrderBy(x => x.StartTime)
				.ToListAsync();
			return Ok(new { Events = events.Select(ToPlayerEvent).ToList(), ContinuationToken = string.Empty });
		}

		[HttpGet("v1/events_by_club_ids/{clubIds}"), Authorize]
		public IActionResult GetEventsByClubIdsLegacy(string clubIds)
		{
			return Ok(Array.Empty<object>());
		}

		[HttpGet("v1/remote_player_event_list/{accountId}"), Authorize]
		public IActionResult GetRemotePlayerEventList(long accountId)
		{
			return Ok(new
			{
				Events = Array.Empty<object>(),
				Responses = Array.Empty<object>()
			});
		}

		[HttpGet("v1/upcoming_events"), Authorize]
		public async Task<List<PlayerEvent>> GetUpcomingEvents()
		{
			var events = await db.PlayerEvents
				.Where(x => x.EndTime > DateTime.UtcNow)
				.OrderBy(x => x.StartTime)
				.Take(50)
				.ToListAsync();
			return events.Select(ToPlayerEvent).ToList();
		}

		[HttpGet("v1/filters"), Authorize]
		public RoomFilters GetEventFilters() => GetEventTagFilters();

		[HttpGet("v1/{eventId:long}"), Authorize]
		[HttpGet("v1/event/{eventId}"), Authorize]
		public async Task<ActionResult<PlayerEvent>> GetEvent(long eventId)
		{
			var ev = await db.PlayerEvents.FirstOrDefaultAsync(x => x.PlayerEventId == eventId);
			if (ev == null) return NotFound();
			return Ok(ToPlayerEvent(ev));
		}

		[HttpGet("v2/{eventId:long}"), Authorize]
		public async Task<IActionResult> GetEventV2(long eventId)
		{
			var ev = await db.PlayerEvents.FirstOrDefaultAsync(x => x.PlayerEventId == eventId);
			if (ev == null) return NotFound();
			return Ok(ToEventResult(ev));
		}

		[HttpPost("v1/create"), Authorize]
		[HttpPost("v1/event"), Authorize]
		[HttpPost("v1/event/create"), Authorize]
		public async Task<ActionResult<PlayerEvent>> CreateEvent(
			[FromForm] string name,
			[FromForm] string? description,
			[FromForm] long roomId,
			[FromForm] DateTime? startTime,
			[FromForm] DateTime? endTime,
			[FromForm] string? imageName,
			[FromForm] Accessibility? accessibility)
		{
			var userId = User.GetUserId();
			if (userId == null) return Unauthorized();

			if (string.IsNullOrWhiteSpace(name))
				return BadRequest(new { error = "Event name is required." });
			if (roomId <= 0)
				return BadRequest(new { error = "A valid room id is required." });

			var room = await db.Rooms.FirstOrDefaultAsync(x => x.RoomId == roomId);
			if (room == null)
				return BadRequest(new { error = "Room does not exist." });

			var now = DateTime.UtcNow;
			var ev = new PlayerEventDB
			{
				Name = name.Trim(),
				Description = description ?? string.Empty,
				ImageName = string.IsNullOrWhiteSpace(imageName) ? string.Empty : imageName,
				StartTime = EventClock.FromPostedTime(startTime ?? now),
				EndTime = EventClock.FromPostedTime(endTime ?? now.AddHours(2)),
				CreatorPlayerId = userId.Value,
				AttendeeCount = 1,
				RoomId = roomId,
				Accessibility = accessibility ?? Accessibility.Public,
				CreatedAt = now
			};

			await db.PlayerEvents.AddAsync(ev);
			await db.SaveChangesAsync();


			await db.PlayerEventResponses.AddAsync(new PlayerEventResponse
			{
				PlayerEventId = ev.PlayerEventId,
				PlayerId = userId.Value,
				Type = EventResponses.Yes
			});
			await db.SaveChangesAsync();

			await PlayerEventNotifications.PushAsync(userId.Value, PlayerEventNotifications.Created(ev));

			return Ok(ToPlayerEvent(ev));
		}

		[HttpPost("v2"), Authorize]
		public async Task<IActionResult> CreateEventV2()
		{
			var userId = User.GetUserId();
			if (userId == null) return Unauthorized();

			var fields = await ReadEventFieldsAsync();

			var name = GetEventField(fields, "Name", "name");
			var roomId = GetEventLong(fields, "RoomId", "roomId") ?? 0;
			if (string.IsNullOrWhiteSpace(name) || roomId <= 0)
				return BadRequest(new { error = "Invalid event request." });

			var room = await db.Rooms.FirstOrDefaultAsync(x => x.RoomId == roomId);
			if (room == null)
				return BadRequest(new { error = "Room does not exist." });

			var now = DateTime.UtcNow;
			var ev = new PlayerEventDB
			{
				Name = name.Trim(),
				Description = GetEventField(fields, "Description", "description") ?? string.Empty,
				ImageName = GetEventField(fields, "ImageName", "imageName") ?? string.Empty,
				StartTime = ParseEventDate(GetEventField(fields, "StartTime", "startTime"), now),
				EndTime = ParseEventDate(GetEventField(fields, "EndTime", "endTime"), now.AddHours(2)),
				CreatorPlayerId = userId.Value,
				AttendeeCount = 0,
				RoomId = roomId,
				SubRoomId = GetEventLong(fields, "SubRoomId", "subRoomId"),
				ClubId = GetEventLong(fields, "ClubId", "clubId"),
				Accessibility = ParseEventAccessibility(GetEventField(fields, "Accessibility", "accessibility")),
				IsMultiInstance = ParseEventBoolean(GetEventField(fields, "IsMultiInstance", "isMultiInstance")),
				SupportMultiInstanceRoomChat = ParseEventBoolean(GetEventField(fields, "SupportMultiInstanceRoomChat", "supportMultiInstanceRoomChat")),
				DefaultBroadcastPermissions = GetEventInt(fields, "DefaultBroadcastPermissions", "defaultBroadcastPermissions") ?? 0,
				CanRequestBroadcastPermissions = GetEventInt(fields, "CanRequestBroadcastPermissions", "canRequestBroadcastPermissions") ?? 0,
				TagsJson = JsonSerializer.Serialize(ParsePostedEventTags(fields)),
				CreatedAt = now
			};

			await db.PlayerEvents.AddAsync(ev);
			await db.SaveChangesAsync();

			await db.PlayerEventResponses.AddAsync(new PlayerEventResponse
			{
				PlayerEventId = ev.PlayerEventId,
				PlayerId = userId.Value,
				Type = EventResponses.Yes
			});
			ev.AttendeeCount = 1;
			await db.SaveChangesAsync();



			await PlayerEventNotifications.PushAsync(userId.Value, PlayerEventNotifications.Created(ev));

			return Ok(ToEventResult(ev));
		}

		[HttpPost("v2/{eventId:long}"), Authorize]
		[HttpPut("v2/{eventId:long}/accessibility"), Authorize]
		[HttpPut("v2/{eventId:long}/club"), Authorize]
		[HttpPut("v2/{eventId:long}/description"), Authorize]
		[HttpPut("v2/{eventId:long}/image"), Authorize]
		[HttpPut("v2/{eventId:long}/multiinstance"), Authorize]
		[HttpPut("v2/{eventId:long}/name"), Authorize]
		[HttpPut("v2/{eventId:long}/room"), Authorize]
		[HttpPut("v2/{eventId:long}/tags"), Authorize]
		[HttpPut("v2/{eventId:long}/time"), Authorize]
		public async Task<IActionResult> UpdateEventV2(long eventId)
		{
			var userId = User.GetUserId();
			if (userId == null) return Unauthorized();

			var ev = await db.PlayerEvents.FirstOrDefaultAsync(x => x.PlayerEventId == eventId);
			if (ev == null) return NotFound();
			if (ev.CreatorPlayerId != userId) return Forbid();

			var fields = await ReadEventFieldsAsync();

			var name = GetEventField(fields, "Name", "name");
			if (name != null) ev.Name = name.Trim();

			if (fields.TryGetValue("Description", out var description)) ev.Description = description;

			if (fields.TryGetValue("ImageName", out var imageName)) ev.ImageName = imageName;

			var startTime = GetEventField(fields, "StartTime", "startTime");
			if (startTime != null) ev.StartTime = ParseEventDate(startTime, ev.StartTime);

			var endTime = GetEventField(fields, "EndTime", "endTime");
			if (endTime != null) ev.EndTime = ParseEventDate(endTime, ev.EndTime);

			var roomId = GetEventLong(fields, "RoomId", "roomId");
			if (roomId is > 0 && await db.Rooms.AnyAsync(x => x.RoomId == roomId)) ev.RoomId = roomId.Value;

			if (fields.TryGetValue("SubRoomId", out var subRoomIdRaw) &&
				TryParseNullableEventId(subRoomIdRaw, out var subRoomId))
				ev.SubRoomId = subRoomId;

			if (fields.TryGetValue("ClubId", out var clubIdRaw) &&
				TryParseNullableEventId(clubIdRaw, out var clubId))
				ev.ClubId = clubId;


			var accessibility = GetEventField(fields, "Accessibility", "accessibility");
			if (accessibility != null) ev.Accessibility = ParseEventAccessibility(accessibility);

			var multiInstance = GetEventField(fields, "IsMultiInstance", "isMultiInstance");
			if (multiInstance != null) ev.IsMultiInstance = ParseEventBoolean(multiInstance);

			var roomChat = GetEventField(fields, "SupportMultiInstanceRoomChat", "supportMultiInstanceRoomChat");
			if (roomChat != null) ev.SupportMultiInstanceRoomChat = ParseEventBoolean(roomChat);

			var defaultBroadcastPermissions = GetEventInt(fields, "DefaultBroadcastPermissions", "defaultBroadcastPermissions");
			if (defaultBroadcastPermissions != null) ev.DefaultBroadcastPermissions = defaultBroadcastPermissions.Value;

			var canRequestBroadcastPermissions = GetEventInt(fields, "CanRequestBroadcastPermissions", "canRequestBroadcastPermissions");
			if (canRequestBroadcastPermissions != null) ev.CanRequestBroadcastPermissions = canRequestBroadcastPermissions.Value;

			if (fields.ContainsKey("Tags"))
				ev.TagsJson = JsonSerializer.Serialize(ParsePostedEventTags(fields));

			var updatePath = Request?.Path.Value?.TrimEnd('/').Split('/').LastOrDefault()?.ToLowerInvariant();
			switch (updatePath)
			{
				case "accessibility":
					if (GetEventField(fields, "Accessibility", "accessibility") is { } accessibilityValue)
						ev.Accessibility = ParseEventAccessibility(accessibilityValue);
					break;
				case "club":
					if (fields.TryGetValue("ClubId", out var clubValue) && TryParseNullableEventId(clubValue, out var parsedClubId))
						ev.ClubId = parsedClubId;
					break;
				case "description":
					if (fields.TryGetValue("Description", out var descriptionValue)) ev.Description = descriptionValue;
					break;
				case "image":
					if (fields.TryGetValue("ImageName", out var imageValue)) ev.ImageName = imageValue;
					break;
				case "multiinstance":
					if (GetEventField(fields, "IsMultiInstance", "isMultiInstance") is { } multiInstanceValue)
						ev.IsMultiInstance = ParseEventBoolean(multiInstanceValue);
					if (GetEventField(fields, "SupportMultiInstanceRoomChat", "supportMultiInstanceRoomChat") is { } multiChatValue)
						ev.SupportMultiInstanceRoomChat = ParseEventBoolean(multiChatValue);
					if (GetEventInt(fields, "DefaultBroadcastPermissions", "defaultBroadcastPermissions") is { } defaultPermissions)
						ev.DefaultBroadcastPermissions = defaultPermissions;
					if (GetEventInt(fields, "CanRequestBroadcastPermissions", "canRequestBroadcastPermissions") is { } requestPermissions)
						ev.CanRequestBroadcastPermissions = requestPermissions;
					break;
				case "name":
					if (fields.TryGetValue("Name", out var eventName)) ev.Name = eventName.Trim();
					break;
				case "room":
					var updatedRoomId = GetEventLong(fields, "RoomId", "roomId");
					if (updatedRoomId is > 0 &&
						await db.Rooms.AnyAsync(x => x.RoomId == updatedRoomId.Value))
						ev.RoomId = updatedRoomId.Value;
					if (fields.TryGetValue("SubRoomId", out var subRoomValue) && TryParseNullableEventId(subRoomValue, out var parsedSubRoomId))
						ev.SubRoomId = parsedSubRoomId;
					break;
				case "tags":
					if (GetEventField(fields, "Tags", "tags") != null)
						ev.TagsJson = JsonSerializer.Serialize(ParsePostedEventTags(fields));
					break;
				case "time":
					if (GetEventField(fields, "StartTime", "startTime") is { } startValue)
						ev.StartTime = ParseEventDate(startValue, ev.StartTime);
					if (GetEventField(fields, "EndTime", "endTime") is { } endValue)
						ev.EndTime = ParseEventDate(endValue, ev.EndTime);
					break;
			}

			await db.SaveChangesAsync();

			await PlayerEventNotifications.PushAsync(ev.CreatorPlayerId, PlayerEventNotifications.Updated(ev));

			return Ok(ToEventResult(ev));
		}

		[HttpPost("v1/respond"), Authorize]
		public async Task<IActionResult> RespondToEvent()
		{
			var userId = User.GetUserId();
			if (userId == null) return Unauthorized();

			var body = await ReadJsonBodyAsync();
			if (body == null) return BadRequest();

			var eventId = GetBodyLong(body.Value, "PlayerEventId", "playerEventId");
			var typeRaw = GetBodyLong(body.Value, "Type", "type");
			if (eventId == null || typeRaw == null) return BadRequest();

			if (!Enum.IsDefined(typeof(EventResponses), (int)typeRaw.Value) ||
				(EventResponses)(int)typeRaw.Value is EventResponses.None or EventResponses.Pending)
				return BadRequest();

			var response = await SetEventResponse((long)eventId, userId.Value, (EventResponses)(int)typeRaw.Value);
			if (response == null) return NotFound();

			return Ok(ToEventResult(response.Value.ev));
		}

		[HttpPost("v1/event/{eventId}/response"), Authorize]
		public async Task<ActionResult<EventResponse>> SetResponse(long eventId, [FromForm] EventResponses response)
		{
			var userId = User.GetUserId();
			if (userId == null) return Unauthorized();

			if (!Enum.IsDefined(typeof(EventResponses), response) || response is EventResponses.None or EventResponses.Pending)
				return BadRequest();

			var result = await SetEventResponse(eventId, userId.Value, response);
			if (result == null) return NotFound();

			return Ok(ToEventResponse(result.Value.response));
		}

		private async Task<(PlayerEventResponse response, PlayerEventDB ev)?> SetEventResponse(
			long eventId, long playerId, EventResponses type)
		{
			var ev = await db.PlayerEvents.FirstOrDefaultAsync(x => x.PlayerEventId == eventId);
			if (ev == null) return null;

			var existing = await db.PlayerEventResponses
				.FirstOrDefaultAsync(x => x.PlayerEventId == eventId && x.PlayerId == playerId);

			var hasInvitation = existing?.Type == EventResponses.Pending ||
				await db.Messages.AsNoTracking().AnyAsync(message =>
					message.ToPlayerId == playerId &&
					message.PlayerEventId == eventId &&
					message.Type == MessageType.PlayerEventInvitation);
			if (ev.Accessibility == Accessibility.Private &&
				ev.CreatorPlayerId != playerId &&
				!hasInvitation)
				return null;

			if (existing == null)
			{
				existing = new PlayerEventResponse
				{
					PlayerEventId = eventId,
					PlayerId = playerId,
					Type = type
				};
				await db.PlayerEventResponses.AddAsync(existing);
			}
			else
			{
				existing.Type = type;
			}

			await db.SaveChangesAsync();

			ev.AttendeeCount = await db.PlayerEventResponses
				.CountAsync(x => x.PlayerEventId == eventId && x.Type == EventResponses.Yes);

			await db.SaveChangesAsync();
			return (existing, ev);
		}

		[HttpPost("v2/rsvp/{eventId:long}"), Authorize]
		public async Task<ActionResult<EventResponse>> RespondToEventV2(long eventId)
		{
			var userId = User.GetUserId();
			if (userId == null) return Unauthorized();

			var result = await SetEventResponse(eventId, userId.Value, EventResponses.Yes);
			if (result == null) return NotFound();

			return Ok(ToEventResponse(result.Value.response));
		}

				[HttpPost("v1/broadcast"), Authorize]
		[HttpPut("v1/broadcast"), Authorize]
		public async Task<IActionResult> BroadcastRoomInstance()
		{
			var userId = User.GetUserId();
			if (userId == null) return Unauthorized();

			var fields = await ReadEventFieldsAsync();
			var eventId = GetEventLong(fields, "PlayerEventId", "playerEventId", "EventId", "eventId", "Id", "id") ?? 0;
			if (eventId <= 0) eventId = await ReadEventIdFromRequestAsync();
			if (eventId <= 0) return BadRequest(new { error = "PlayerEventId is required." });

			var ev = await db.PlayerEvents.FirstOrDefaultAsync(x => x.PlayerEventId == eventId);
			if (ev == null) return NotFound();

			if (ev.CreatorPlayerId != userId && !await db.IsDeveloper(userId.Value))
				return Forbid();


			long? roomInstanceId = null;
			var rawInstance = GetEventField(fields,
				"RoomInstanceId", "roomInstanceId", "BroadcastingRoomInstanceId", "broadcastingRoomInstanceId",
				"BroadcastRoomInstanceId", "broadcastRoomInstanceId");
			if (!string.IsNullOrWhiteSpace(rawInstance) &&
				!string.Equals(rawInstance, "null", StringComparison.OrdinalIgnoreCase))
			{
				if (!long.TryParse(rawInstance, out var parsedInstance) || parsedInstance <= 0)
					return BadRequest(new { error = "RoomInstanceId must be a positive id or null." });
				roomInstanceId = parsedInstance;
			}

			if (roomInstanceId.HasValue)
			{



				if (!ev.IsMultiInstance)
					return Ok(ToEventResult(ev, EventResultBroadcastNotMultiInstance));

				var instance = await db.RoomInstances
					.FirstOrDefaultAsync(x => x.roomInstanceId == roomInstanceId.Value);
				if (instance == null || instance.roomId != ev.RoomId)
					return Ok(ToEventResult(ev, EventResultBroadcastNotMultiInstance));
			}

			ev.BroadcastingRoomInstanceId = roomInstanceId;
			await db.SaveChangesAsync();



			await PlayerEventNotifications.PushToEventInstancesAsync(db, ev);

			return Ok(ToEventResult(ev));
		}

				[HttpPost("v1/deleteResponse"), Authorize]
		[HttpDelete("v1/deleteResponse"), Authorize]
		public async Task<IActionResult> DeleteEventResponse()
		{
			var userId = User.GetUserId();
			if (userId == null) return Unauthorized();

			var fields = await ReadEventFieldsAsync();
			var eventId = GetEventLong(fields, "PlayerEventId", "playerEventId", "EventId", "eventId", "Id", "id") ?? 0;
			if (eventId <= 0) eventId = await ReadEventIdFromRequestAsync();
			if (eventId <= 0) return BadRequest(new { error = "PlayerEventId is required." });

			var ev = await db.PlayerEvents.FirstOrDefaultAsync(x => x.PlayerEventId == eventId);
			if (ev == null) return NotFound();

			var existing = await db.PlayerEventResponses
				.FirstOrDefaultAsync(x => x.PlayerEventId == eventId && x.PlayerId == userId.Value);
			if (existing != null)
			{
				db.PlayerEventResponses.Remove(existing);
				await db.SaveChangesAsync();

				ev.AttendeeCount = await db.PlayerEventResponses
					.CountAsync(x => x.PlayerEventId == eventId && x.Type == EventResponses.Yes);
				await db.SaveChangesAsync();
			}

			return Ok(ToEventResult(ev));
		}

		[HttpPost("v1/report"), Authorize]
		public async Task<IActionResult> ReportEvent()
		{
			var reporterId = User.GetUserId();
			if (reporterId == null) return Unauthorized();

			var body = await ReadJsonBodyAsync();
			var eventId = body == null ? null : GetBodyLong(body.Value, "PlayerEventId", "playerEventId");
			if (eventId == null)
				return Ok(new { success = false, error = "PlayerEventId is required" });

			var ev = await db.PlayerEvents.FirstOrDefaultAsync(x => x.PlayerEventId == eventId);
			if (ev == null)
				return Ok(new { success = false, error = "No such event" });

			int category = 0;
			string? details = null;
			if (body != null)
			{
				if (body.Value.TryGetProperty("ReportCategory", out var catRaw) &&
					long.TryParse(catRaw.ToString(), out var catParsed))
					category = (int)catParsed;
				if (body.Value.TryGetProperty("Details", out var detailsRaw) &&
					detailsRaw.ValueKind == JsonValueKind.String)
					details = detailsRaw.GetString();
			}

			return Ok(new { success = true, error = string.Empty });
		}

		[HttpPost("v1/bulkInvite"), Authorize]
		public async Task<IActionResult> BulkInvite()
		{
			var userId = User.GetUserId();
			if (userId == null) return Unauthorized();

			var fields = await ReadEventFieldsAsync();
			var eventIdRaw = GetEventField(fields, "PlayerEventId", "playerEventId", "EventId", "eventId");
			if (!long.TryParse(eventIdRaw, out var eventId) || eventId <= 0)
				return BadRequest(new { error = "PlayerEventId is required." });

			var ev = await db.PlayerEvents.FirstOrDefaultAsync(x => x.PlayerEventId == eventId);
			if (ev == null) return NotFound();






			if (!await CanInviteToEventAsync(ev, userId.Value))
				return StatusCode(StatusCodes.Status403Forbidden, new Dictionary<string, object?>
				{
					["error"] = "That event belongs to another player.",
					["success"] = false,
					["value"] = null,
					["PlayerEventId"] = ev.PlayerEventId,
					["CreatorPlayerId"] = ev.CreatorPlayerId
				});

			var invitedPlayerIds = await ReadInvitedPlayerIdsAsync();
			if (invitedPlayerIds.Count == 0)
				return BadRequest(new { error = "At least one invited player is required." });

			var failedInvites = new List<object>();


			var invitedPlayers = new List<long>();
			var validPlayerIds = invitedPlayerIds
				.Where(playerId => playerId > 0 && playerId != userId.Value)
				.Distinct()
				.ToList();
			var profiles = await db.Profiles.AsNoTracking()
				.Where(profile => validPlayerIds.Contains(profile.accountId))
				.Select(profile => profile.accountId)
				.ToListAsync();
			var existingResponses = await db.PlayerEventResponses
				.Where(response => response.PlayerEventId == eventId && validPlayerIds.Contains(response.PlayerId))
				.ToDictionaryAsync(response => response.PlayerId);

			foreach (var playerId in invitedPlayerIds.Distinct())
			{
				if (playerId <= 0 || playerId == userId.Value || !profiles.Contains(playerId))
				{
					failedInvites.Add(new { PlayerId = playerId });
					continue;
				}

				if (!existingResponses.ContainsKey(playerId))
				{
					existingResponses[playerId] = new PlayerEventResponse
					{
						PlayerEventId = eventId,
						PlayerId = playerId,
						Type = EventResponses.Pending
					};
					await db.PlayerEventResponses.AddAsync(existingResponses[playerId]);
					invitedPlayers.Add(playerId);
				}
				else if (existingResponses[playerId].Type is not (EventResponses.Yes or EventResponses.Pending))
				{
					existingResponses[playerId].Type = EventResponses.Pending;
				}
			}

			await db.SaveChangesAsync();

			foreach (var playerId in invitedPlayers)
				await PlayerEventNotifications.PushAsync(playerId,
					PlayerEventNotifications.ResponseChanged(ev, existingResponses[playerId]));

			foreach (var playerId in validPlayerIds.Where(profiles.Contains))
			{
				await Notify.SendMessage(playerId, new Message
				{
					FromPlayerId = userId.Value,
					Type = MessageType.PlayerEventInvitation,
					PlayerEventId = eventId
				});
			}

			return Ok(new Dictionary<string, object?>
			{
				["FailedInvites"] = failedInvites,
				["Result"] = 0
			});
		}

				private async Task<bool> CanInviteToEventAsync(PlayerEventDB ev, long userId)
		{
			if (ev.CreatorPlayerId == userId) return true;

			if (await db.PlayerEventResponses
				.AnyAsync(x => x.PlayerEventId == ev.PlayerEventId && x.PlayerId == userId))
				return true;

			if (ev.ClubId is > 0)
			{
				var club = await ClubStore.GetAsync(db, ev.ClubId.Value);
				if (club != null && ClubStore.GetMembershipType(club, userId) >= ClubMembershipTypes.Coowner)
					return true;
			}

			return !await db.Profiles.AnyAsync(x => x.accountId == ev.CreatorPlayerId);
		}

		private async Task<List<long>> ReadInvitedPlayerIdsAsync()
		{
			var ids = new List<long>();
			if (Request.Body.CanSeek) Request.Body.Position = 0;
			if (Request.HasFormContentType)
			{
				var form = await Request.ReadFormAsync();
				foreach (var field in form.Where(field => field.Key.Equals("InvitedPlayerIds", StringComparison.OrdinalIgnoreCase) ||
					field.Key.Equals("InvitedPlayerIds[]", StringComparison.OrdinalIgnoreCase)))
				{
					foreach (var value in field.Value)
						if (long.TryParse(value, out var id)) ids.Add(id);
				}
				return ids;
			}

			Request.EnableBuffering();
			using var reader = new StreamReader(Request.Body, leaveOpen: true);
			var body = await reader.ReadToEndAsync();
			if (Request.Body.CanSeek) Request.Body.Position = 0;
			try
			{
				using var document = JsonDocument.Parse(body);
				if (document.RootElement.ValueKind == JsonValueKind.Object)
				{
					foreach (var property in document.RootElement.EnumerateObject()
						.Where(property => property.Name.Equals("InvitedPlayerIds", StringComparison.OrdinalIgnoreCase) ||
							property.Name.Equals("InvitedPlayerIds[]", StringComparison.OrdinalIgnoreCase)))
					{
						if (property.Value.ValueKind != JsonValueKind.Array) continue;
						foreach (var value in property.Value.EnumerateArray())
							if (long.TryParse(value.ToString(), out var id)) ids.Add(id);
					}
				}
			}
			catch (JsonException) { }
			return ids;
		}

		[HttpGet("v1/event/{eventId}/responses"), Authorize]
		[HttpGet("v1/{eventId:long}/responses"), Authorize]
		public async Task<ActionResult<List<EventResponse>>> GetResponses(long eventId)
		{
			if (eventId == -1) return Ok(Array.Empty<EventResponse>());

			var ev = await db.PlayerEvents.FirstOrDefaultAsync(x => x.PlayerEventId == eventId);
			if (ev == null) return NotFound();

			var responses = await db.PlayerEventResponses
				.Where(x => x.PlayerEventId == eventId)
				.ToListAsync();

			return Ok(responses.Select(ToEventResponse).ToList());
		}

		[HttpGet("v1/-1/responses"), Authorize]
		public IActionResult GetLegacyPlaceholderResponses() => Ok(Array.Empty<EventResponse>());

		[HttpGet("v1/event/{eventId}/attendees"), Authorize]
		[HttpGet("v1/{eventId:long}/attendees"), Authorize]
		public async Task<ActionResult<List<long>>> GetAttendees(long eventId)
		{
			var ev = await db.PlayerEvents.FirstOrDefaultAsync(x => x.PlayerEventId == eventId);
			if (ev == null) return NotFound();

			var attendees = await db.PlayerEventResponses
				.Where(x => x.PlayerEventId == eventId && x.Type == EventResponses.Yes)
				.Select(x => x.PlayerId)
				.ToListAsync();

			return Ok(attendees);
		}

				[HttpPost("v2/delete/{eventId:long}"), Authorize]
		[HttpDelete("v2/delete/{eventId:long}"), Authorize]
		[HttpPost("v2/delete"), Authorize]
		[HttpDelete("v2/delete"), Authorize]
		[HttpPost("v2/{eventId:long}/delete"), Authorize]
		[HttpDelete("v2/{eventId:long}/delete"), Authorize]
		public async Task<IActionResult> DeleteEventV2(long eventId = 0)
		{
			var userId = User.GetUserId();
			if (userId == null) return Unauthorized();

			var id = eventId > 0 ? eventId : await ReadEventIdFromRequestAsync();
			if (id <= 0) return NotFound();

			var ev = await db.PlayerEvents.FirstOrDefaultAsync(x => x.PlayerEventId == id);

			if (ev != null && ev.CreatorPlayerId != userId) return Forbid();

			if (ev == null)
			{
				await PlayerEventNotifications.PushAsync(userId.Value, PlayerEventNotifications.Deleted(id));
				return Ok(ToEventResult(AlreadyGone(id, userId.Value)));
			}

			await DeleteEventRow(ev);

			await PlayerEventNotifications.PushAsync(userId.Value, PlayerEventNotifications.Deleted(ev.PlayerEventId));

			return Ok(ToEventResult(ev));
		}

				private static PlayerEventDB AlreadyGone(long eventId, long creatorPlayerId) => new()
		{
			PlayerEventId = eventId,
			Name = string.Empty,
			Description = string.Empty,
			ImageName = string.Empty,
			CreatorPlayerId = creatorPlayerId,
			TagsJson = "[]"
		};

				private async Task<long> ReadEventIdFromRequestAsync()
		{
			foreach (var key in new[] { "PlayerEventId", "playerEventId", "EventId", "eventId", "Id", "id" })
				if (Request.Query.TryGetValue(key, out var query) &&
					long.TryParse(query.FirstOrDefault(), out var queryId) && queryId > 0)
					return queryId;

			if (Request.ContentLength is > 0)
			{
				try
				{
					Request.EnableBuffering();
					var fields = await ReadEventFieldsAsync();
					var bodyId = GetEventLong(fields, "PlayerEventId", "playerEventId", "EventId", "eventId", "Id", "id") ?? 0;
					Request.Body.Position = 0;
					if (bodyId > 0) return bodyId;
				}
				catch
				{
					try { Request.Body.Position = 0; } catch { }
				}
			}

			return 0;
		}

		[HttpDelete("v1/event/{eventId}"), Authorize]
		[HttpDelete("v1/{eventId:long}"), Authorize]
		public async Task<IActionResult> DeleteEvent(long eventId)
		{
			var userId = User.GetUserId();
			if (userId == null) return Unauthorized();

			var ev = await db.PlayerEvents.FirstOrDefaultAsync(x => x.PlayerEventId == eventId);
			if (ev == null) return NotFound();

			if (ev.CreatorPlayerId != userId)
				return Forbid();

			await DeleteEventRow(ev);

			await PlayerEventNotifications.PushAsync(userId.Value, PlayerEventNotifications.Deleted(ev.PlayerEventId));

			return Ok();
		}

		private async Task DeleteEventRow(PlayerEventDB ev)
		{
			var responses = await db.PlayerEventResponses.Where(x => x.PlayerEventId == ev.PlayerEventId).ToListAsync();
			db.PlayerEventResponses.RemoveRange(responses);
			db.PlayerEvents.Remove(ev);
			await db.SaveChangesAsync();
		}

		private async Task<Dictionary<string, string>> ReadEventFieldsAsync()
		{
			var fields = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
			Request.EnableBuffering();

			foreach (var kv in Request.Query)
				fields[kv.Key] = kv.Value.ToString();

			if (Request.HasFormContentType)
			{
				var form = await Request.ReadFormAsync();
				foreach (var kv in form)
					fields[kv.Key] = kv.Value.ToString();
				if (Request.Body.CanSeek) Request.Body.Position = 0;
				return fields;
			}

			if (Request.ContentLength == 0) return fields;

			try
			{
				using var reader = new StreamReader(Request.Body, leaveOpen: true);
				var body = await reader.ReadToEndAsync();
				if (Request.Body.CanSeek) Request.Body.Position = 0;
				if (string.IsNullOrWhiteSpace(body)) return fields;

				var trimmed = body.TrimStart();
				if (trimmed.StartsWith("{", StringComparison.Ordinal))
				{
					using var doc = JsonDocument.Parse(body);
					if (doc.RootElement.ValueKind == JsonValueKind.Object)
					{
						foreach (var prop in doc.RootElement.EnumerateObject())
						{
							fields[prop.Name] = prop.Value.ValueKind == JsonValueKind.String
								? prop.Value.GetString() ?? ""
								: prop.Value.ToString();
						}
					}

					if (doc.RootElement.TryGetProperty("PlayerEvent", out var nested) &&
						nested.ValueKind == JsonValueKind.Object)
					{
						foreach (var prop in nested.EnumerateObject())
						{
							if (fields.ContainsKey(prop.Name)) continue;
							fields[prop.Name] = prop.Value.ValueKind == JsonValueKind.String
								? prop.Value.GetString() ?? ""
								: prop.Value.ToString();
						}
					}
				}
			}
			catch
			{
			}

			return fields;
		}

		private async Task<JsonElement?> ReadJsonBodyAsync()
		{
			if (Request.ContentLength is not > 0) return null;

			try
			{
				using var reader = new StreamReader(Request.Body);
				var body = await reader.ReadToEndAsync();
				if (string.IsNullOrWhiteSpace(body)) return null;

				using var doc = JsonDocument.Parse(body);
				return doc.RootElement.Clone();
			}
			catch
			{
				return null;
			}
		}

		private async Task ConsumeRequestBodyAsync()
		{
			try
			{
				if (Request.HasFormContentType)
				{
					await Request.ReadFormAsync();
				}
				else if (Request.ContentLength is > 0)
				{
					using var reader = new StreamReader(Request.Body);
					await reader.ReadToEndAsync();
				}
			}
			catch
			{
			}
		}

		private static long? GetBodyLong(JsonElement body, params string[] names)
		{
			foreach (var name in names)
			{
				if (!body.TryGetProperty(name, out var value)) continue;
				if (value.ValueKind == JsonValueKind.Number && value.TryGetInt64(out var number))
					return number;
				if (value.ValueKind == JsonValueKind.String &&
					long.TryParse(value.GetString(), out var parsed))
					return parsed;
			}
			return null;
		}

		private static string? GetEventField(Dictionary<string, string> fields, params string[] names)
		{
			foreach (var name in names)
			{
				if (fields.TryGetValue(name, out var value) && !string.IsNullOrWhiteSpace(value))
					return value;
			}
			return null;
		}

		private static long? GetEventLong(Dictionary<string, string> fields, params string[] names)
		{
			var raw = GetEventField(fields, names);
			return long.TryParse(raw, out var value) ? value : null;
		}

		private static bool TryParseNullableEventId(string raw, out long? value)
		{
			if (string.IsNullOrWhiteSpace(raw) || string.Equals(raw, "null", StringComparison.OrdinalIgnoreCase))
			{
				value = null;
				return true;
			}

			if (long.TryParse(raw, out var parsed) && parsed > 0)
			{
				value = parsed;
				return true;
			}

			value = null;
			return false;
		}

		private static int? GetEventInt(Dictionary<string, string> fields, params string[] names)
		{
			var raw = GetEventField(fields, names);
			return int.TryParse(raw, out var value) ? value : null;
		}

		private static bool ParseEventBoolean(string? raw)
			=> bool.TryParse(raw, out var value) && value;

				private static DateTime ParseEventDate(string? raw, DateTime fallback)
		{
			if (string.IsNullOrWhiteSpace(raw)) return fallback;
			return DateTime.TryParse(raw, out var parsed) ? EventClock.FromPostedTime(parsed) : fallback;
		}

		private static Accessibility ParseEventAccessibility(string? raw)
		{
			if (string.IsNullOrWhiteSpace(raw)) return Accessibility.Public;

			if (int.TryParse(raw, out var intValue) && Enum.IsDefined(typeof(Accessibility), intValue))
				return (Accessibility)intValue;

			return raw.Trim().ToLowerInvariant() switch
			{
				"public" => Accessibility.Public,
				"private" => Accessibility.Private,
				"unlisted" or "unlised" => Accessibility.Unlised,
				_ => Accessibility.Public
			};
		}
	}
}