using System;
using System.Collections.Generic;

using Svelto.Tasks;
using Svelto.Tasks.Enumerators;
using Unity.Mathematics;

using TechbloxModdingAPI.App;
using TechbloxModdingAPI.Blocks;
using TechbloxModdingAPI.Tests;
using TechbloxModdingAPI.Utility;

namespace TechbloxModdingAPI.Players
{
#if TEST
    /// <summary>
	/// Player test cases. Not accessible in release versions.
    /// </summary>
	[APITestClass]
	public static class PlayerTests
	{
		[APITestCase(TestType.EditMode)]
		public static void ExistsTest()
		{
			if (!Assert.Equal(Player.Exists(PlayerType.Local), true, "Local player does not exist.", "Local player detected.")) return;
			Assert.Equal(Player.Count(), 1u, "Player.Count() is not one, possibly because it failed silently.", "Player count is one for single player game.");
		}

		[APITestCase(TestType.EditMode)]
		public static void PositionTest()
		{
			Player p = new Player(PlayerType.Local);
			if (!Assert.Errorless(() => { p.Teleport(0, 0, 0, relative: false); }, "Player.Teleport(origin) errored: ", "Player teleported to origin successfully.")) return;
			if (!Assert.CloseTo(p.Position, float3.zero, "Player is not close to origin despite being teleported there.", "Player.Position is at origin.")) return;
			if (!Assert.Errorless(() => { p.Position = float3.zero + 1; }, "Player.Position  = origin+1 errored: ", "Player moved to origin+1.")) return;
			Assert.CloseTo(p.Position, float3.zero + 1, "Player is not close to origin+1 despite being teleported there.", "Player.Position is at origin+1.");
		}
		
		[APITestCase(TestType.Game)]
		public static void SeatEventTestBuild()
		{
			Player.LocalPlayer.SeatEntered += Assert.CallsBack<PlayerSeatEventArgs>("SeatEntered");
			Player.LocalPlayer.SeatExited += Assert.CallsBack<PlayerSeatEventArgs>("SeatExited");
			Block.PlaceNew(BlockIDs.DriverSeat, -1f);
		}

		[APITestCase(TestType.SimulationMode)]
		public static IEnumerator<TaskContract> SeatEventTestSim()
		{
			yield return new WaitForSecondsEnumerator(1).Continue();
			Assert.Equal(Player.LocalPlayer.SpawnMachine(), true, "Failed to spawn the player's machine.", "Successfully spawned the player's machine.");
			yield return new WaitForSecondsEnumerator(1).Continue();
			var seats = Game.CurrentGame().GetBlocksInGame(BlockIDs.DriverSeat);
			int c = 0;
			while (seats.Length == 0 && c < 10)
			{
				Logging.MetaLog("Waiting for a seat to be spawned...");
				yield return new WaitForSecondsEnumerator(1).Continue();
				Console.WriteLine("Spawn machine: " + Player.LocalPlayer.SpawnMachine());
				seats = Game.CurrentGame().GetBlocksInGame(BlockIDs.DriverSeat);
				c++;
			}

			if (seats.Length == 0)
			{
				Assert.Fail("No driver seat found!");
				yield break;
			}

			if (seats[0] is Seat seat)
				Assert.Errorless(() => Player.LocalPlayer.EnterSeat(seat), "Failed to enter seat.",
					"Entered seat successfully.");
			else
				Assert.Fail("Found a seat that is not a seat!");
			yield return new WaitForSecondsEnumerator(1).Continue();
			Assert.Errorless(() => Player.LocalPlayer.ExitSeat(), "Failed to exit seat.",
				"Exited seat successfully.");
		}

		[APITestCase(TestType.Menu)]
		public static void InvalidStateTest()
		{
			if (!Assert.Errorless(() => { Player.Count(); }, "Player.Count() errored in menu.", "Player.Count() succeeded in menu.")) return;
			Assert.Equal(Player.Count(), 0u, "Player.Count() is not zero in menu.", "Player count is zero in menu as expected.");
		}
	}
#endif
}