using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Options;
using System.Net;
using System.Net.NetworkInformation;
using System.Net.Sockets;

namespace OnlineSalesAutoCrop.WS
{
	/// <summary>
	/// 
	/// </summary>
	[ApiController]
	[Route("globalApi")]
	public class GlobalApiController(IOptions<AppSettings> appSettings) : ControllerBase
	{
		private readonly string _anydeskPort = appSettings.Value.AnyDeskPort;
		private readonly string _ipStartBlock = appSettings.Value.StartIpBlock;
		private readonly string _remoteDesktopPort = appSettings.Value.RemoteDesktopPort;

		/// <summary>
		/// 
		/// </summary>
		/// <returns></returns>
		[HttpPost("readSettings")]
		[ProducesResponseType(StatusCodes.Status200OK, Type = typeof(IpHostResponse))]
		public IActionResult ReadSettings([FromBody] NoContentRequest request)
		{
			ArgumentNullException.ThrowIfNull(request);
			IpHostResponse response = new() { Status = 200, HostName = Dns.GetHostName() };

			try
			{
				response.RemoteHost = HeplerFunctions.GetRemoteIp(adPort: _anydeskPort, rdPort: _remoteDesktopPort, out bool isAnydesk);
				if (!string.IsNullOrEmpty(response.RemoteHost))
				{
					response.Status = isAnydesk ? 998 : 999;
					return Ok(response);
				}
			}
			catch
			{
				//Nothing to do
			}

			foreach (NetworkInterface item in NetworkInterface.GetAllNetworkInterfaces().Where(x => x.NetworkInterfaceType == NetworkInterfaceType.Ethernet && x.OperationalStatus == OperationalStatus.Up))
			{
				IPInterfaceProperties adapterProperties = item.GetIPProperties();
				if (adapterProperties?.UnicastAddresses == null)
					continue;

				UnicastIPAddressInformation? ip = adapterProperties.UnicastAddresses.FirstOrDefault(x => x.Address.AddressFamily == AddressFamily.InterNetwork && x.Address.ToString().StartsWith(_ipStartBlock));
				response.IpAddress = ip == null ? string.Empty : ip.Address.ToString();
				response.MacAddress = item.GetPhysicalAddress().ToString();
				if (!string.IsNullOrEmpty(response.IpAddress))
				{
					break;
				}
			}

			return Ok(response);
		}
	}
}