using Microsoft.AspNetCore.Cors;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using RadicadeServer.DB;
using RadicadeServer.Utils;

namespace RadicadeServer.Admin
{
	[Route("admin/status")]
	[EnableCors("AdminPanel")]
	public class AdminStatusAPI(RecDBContext db) : Controller
	{
		private Task<IActionResult?> RejectInvalidKey(string key)
		{
			return Task.FromResult<IActionResult?>(key.IsAdminKey() ? null : Unauthorized("Invalid secret"));
		}

		[HttpGet("players/active")]
		public async Task<IActionResult> GetActivePlayerCount([FromQuery] string key)
		{
			var rejection = await RejectInvalidKey(key);
			if (rejection != null) return rejection;

			var activePlayerCount = await db.Presences.CountAsync(x => x.isOnline);

			return Ok(new
			{
				activePlayerCount
			});
		}

		[HttpGet("")]
		public async Task<IActionResult> GetServerStatus([FromQuery] string key)
		{
			var rejection = await RejectInvalidKey(key);
			if (rejection != null) return rejection;

			var activePlayerCount = await db.Presences.CountAsync(x => x.isOnline);
			var playersInRoomsCount = await db.Presences.CountAsync(x => x.isOnline && x.roomInstance != null);
			var activeRoomInstanceCount = await db.RoomInstances.CountAsync();
			var gameVersion = await db.ServerConfig
				.Where(x => x.Key == "GameVersion")
				.Select(x => x.Value)
				.FirstOrDefaultAsync() ?? DBConfig.GameVersion;
			var barrelVersion = await db.ServerConfig
				.Where(x => x.Key == "BarrelVersion")
				.Select(x => x.Value)
				.FirstOrDefaultAsync();
			var barrelKey = await db.ServerConfig
				.Where(x => x.Key == "BarrelKey")
				.Select(x => x.Value)
				.FirstOrDefaultAsync();
			var barrelCheck = await db.ServerConfig
				.Where(x => x.Key == "BarrelCheck")
				.Select(x => x.Value)
				.FirstOrDefaultAsync();
			var config = await db.Config.FirstOrDefaultAsync();

			return Ok(new
			{
				status = "online",
				serverUrl = DBConfig.ServerUrl,
				activePlayerCount,
				playersInRoomsCount,
				activeRoomInstanceCount,
				gameVersion,
				barrelVersion,
				barrelKey,
				barrelCheck,
				maintenance = config?.ServerMaintenance,
				startedAtUtc = AdminRuntime.ServerStartedAtUtc,
				uptimeSeconds = (long)(DateTime.UtcNow - AdminRuntime.ServerStartedAtUtc).TotalSeconds
			});
		}
	}
}