using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using RadicadeServer.DB;
using RadicadeServer.Extensions;
using RadicadeServer.RecNet.Enums.Players;
using RadicadeServer.RecNet.Notifications;

namespace RadicadeServer.API
{
	[Route("api/announcement")]
	public class AnnouncementAPI : Controller
	{
		RecDBContext db;
		public AnnouncementAPI(RecDBContext context)
		{
			this.db = context;
		}

		[HttpGet("v1/get")]
		public List<Announcement>? GetAnnouncement()
		{
			var config = db.ServerConfig.FirstOrDefault(x => x.Key == "Announcement");
			if (config == null || string.IsNullOrWhiteSpace(config.Value) || config.Value == "[]")
				return new List<Announcement>();

			try
			{
				var announcements = config.Value.FromJson<List<Announcement>>() ?? new List<Announcement>();



				var raw = System.Text.Json.JsonDocument.Parse(config.Value);
				if (raw.RootElement.ValueKind == System.Text.Json.JsonValueKind.Array)
				{
					var now = DateTime.UtcNow;
					var keep = new List<Announcement>();
					int i = 0;
					foreach (var element in raw.RootElement.EnumerateArray())
					{
						var ann = i < announcements.Count ? announcements[i] : null;
						if (ann != null)
						{
							if (element.TryGetProperty("type", out var typeProp) && typeProp.ValueKind == System.Text.Json.JsonValueKind.String &&
								string.Equals(typeProp.GetString(), "Game Update", StringComparison.OrdinalIgnoreCase))
							{
								i++;
								continue;
							}
							string? expiresAt = null;
							if (element.TryGetProperty("expires_at", out var exp) && exp.ValueKind == System.Text.Json.JsonValueKind.String)
								expiresAt = exp.GetString();

							if (string.IsNullOrEmpty(expiresAt) || !DateTime.TryParse(expiresAt, out var expiry) || expiry > now)
								keep.Add(ann);
						}
						i++;
					}
					announcements = keep;
				}


				announcements = announcements.OrderByDescending(x => x.CreatedAt).ToList();
				foreach (var ann in announcements)
				{
					ann.IsMostRecent = false;



					ann.Platform = Platforms.All;
				}
				if (announcements.Count > 0)
					announcements[0].IsMostRecent = true;

				return announcements;
			}
			catch
			{
				return new List<Announcement>();
			}
		}
	}
}