using System.Net;
using ShareeBike.Model.Connector;
using ShareeBike.Model.Device;

namespace ShareeBike.Repository.Request
{
	public static class RequestBuilderHelper
	{
		/// <summary>
		/// Gets the REST language parameter.
		/// </summary>
		/// <param name="uiIsoLangugageName">Two letter ISO language name.</param>
		/// <returns></returns>
		public static string GetLanguageParameter(string uiIsoLangugageName)
			=> !string.IsNullOrEmpty(uiIsoLangugageName)
				? $"&lang={uiIsoLangugageName}"
				: string.Empty;

		public static lock_state? GetLockState(this  LockingAction? action)
		{
			switch (action)
			{
				case LockingAction.Open:
					return lock_state.unlocking;

				case LockingAction.Close:
					return lock_state.locking;

				default:
					return null;
			}
		}

		/// <summary> Gets the smart device parameters. </summary>
		/// <returns>in a format which is url encode invariant.</returns>
		public static string GetSmartDeviceParameters(this ISmartDevice smartDevice)
			=> smartDevice != null
				? $"{(!string.IsNullOrEmpty(smartDevice.Manufacturer) ? $"&user_device_manufacturer={WebUtility.UrlEncode(smartDevice.Manufacturer)}" : string.Empty)}" +
					$"{(!string.IsNullOrEmpty(smartDevice.Model) ? $"&user_device_model={WebUtility.UrlEncode(smartDevice.Model)}" : string.Empty)}" +
					$"{(!string.IsNullOrEmpty(smartDevice.Platform.ToString()) ? $"&user_device_platform={WebUtility.UrlEncode(smartDevice.Platform.ToString())}" : string.Empty)}" +
					$"{(!string.IsNullOrEmpty(smartDevice.VersionText) ? $"&user_device_version={WebUtility.UrlEncode(smartDevice.VersionText)}" : string.Empty)}" +
					$"{(!string.IsNullOrEmpty(smartDevice.Identifier) ? $"&user_device_id={WebUtility.UrlEncode(smartDevice.Identifier)}" : string.Empty)}"
				: string.Empty;

		/// <summary>
		/// Converts from one locking state enum to another.
		/// </summary>
		/// <param name="state">Locking state to convert.</param>
		/// <returns>Target state.</returns>
		public static lock_state? GetLockState(this Model.Bikes.BikeInfoNS.BluetoothLock.LockingState state)
		{
			switch (state)
			{
				case Model.Bikes.BikeInfoNS.BluetoothLock.LockingState.Open:
					return lock_state.unlocked;

				case Model.Bikes.BikeInfoNS.BluetoothLock.LockingState.Closed:
					return lock_state.locked;

				case Model.Bikes.BikeInfoNS.BluetoothLock.LockingState.UnknownFromHardwareError:
					return lock_state.unspecific;

				default:
					return null;
			}
		}

		/// <summary> Gets the station id filter. </summary>
		/// <returns>Station id filter.</returns>
		public static string GetStationId(this string stationId)
			=> !string.IsNullOrEmpty(stationId)
				? $"&station={WebUtility.UrlEncode(stationId)}"
				: string.Empty;

		/// <summary> Gets the bike id filter. </summary>
		/// <returns>Bike id filter.</returns>
		public static string GetBikeId(this string bikeId)
			=> !string.IsNullOrEmpty(bikeId)
				? $"&bike={WebUtility.UrlEncode(bikeId)}"
				: string.Empty;
	}
}