using System;

using Gamecraft.Wires;
using Unity.Mathematics;

using GamecraftModdingAPI;
using GamecraftModdingAPI.Tests;
using GamecraftModdingAPI.Utility;

namespace GamecraftModdingAPI.Blocks
{
#if TEST
    /// <summary>
    /// Block test cases. Not accessible in release versions.
    /// </summary>
	[APITestClass]
	public static class BlockTests
	{
		[APITestCase(TestType.EditMode)]
        public static void TestPlaceNew()
		{
			Block newBlock = Block.PlaceNew(BlockIDs.AluminiumCube, Unity.Mathematics.float3.zero);
			Assert.NotNull(newBlock.Id, "Newly placed block is missing Id. This should be populated when the block is placed.", "Newly placed block Id is not null, block successfully placed.");
		}

		[APITestCase(TestType.EditMode)]
        public static void TestInitProperty()
        {
            Block newBlock = Block.PlaceNew(BlockIDs.AluminiumCube, Unity.Mathematics.float3.zero + 2);
			if (!Assert.CloseTo(newBlock.Position, (Unity.Mathematics.float3.zero + 2), $"Newly placed block at {newBlock.Position} is expected at {Unity.Mathematics.float3.zero + 2}.", "Newly placed block position matches.")) return;
			//Assert.Equal(newBlock.Exists, true, "Newly placed block does not exist, possibly because Sync() skipped/missed/failed.", "Newly placed block exists, Sync() successful.");
        }

		[APITestCase(TestType.EditMode)]
        public static void TestTextBlock()
		{
			TextBlock textBlock = null; // Note: the assignment operation is a lambda, which slightly confuses the compiler
			Assert.Errorless(() => { textBlock = Block.PlaceNew<TextBlock>(BlockIDs.TextBlock, Unity.Mathematics.float3.zero + 1); }, "Block.PlaceNew<TextBlock>() raised an exception: ", "Block.PlaceNew<TextBlock>() completed without issue.");
			if (!Assert.NotNull(textBlock, "Block.PlaceNew<TextBlock>() returned null, possibly because it failed silently.", "Specialized TextBlock is not null.")) return;
			if (!Assert.NotNull(textBlock.Text, "TextBlock.Text is null, possibly because it failed silently.", "TextBlock.Text is not null.")) return;
			if (!Assert.NotNull(textBlock.TextBlockId, "TextBlock.TextBlockId is null, possibly because it failed silently.", "TextBlock.TextBlockId is not null.")) return;
		}

		[APITestCase(TestType.EditMode)]
        public static void TestMotor()
        {
			Block newBlock = Block.PlaceNew(BlockIDs.MotorS, Unity.Mathematics.float3.zero + 1);
			Motor b = null; // Note: the assignment operation is a lambda, which slightly confuses the compiler
			Assert.Errorless(() => { b = newBlock.Specialise<Motor>(); }, "Block.Specialize<Motor>() raised an exception: ", "Block.Specialize<Motor>() completed without issue.");
            if (!Assert.NotNull(b, "Block.Specialize<Motor>() returned null, possibly because it failed silently.", "Specialized Motor is not null.")) return;
			if (!Assert.CloseTo(b.Torque, 75f, $"Motor.Torque {b.Torque} does not equal default value, possibly because it failed silently.", "Motor.Torque close enough to default.")) return;
			if (!Assert.CloseTo(b.TopSpeed, 30f, $"Motor.TopSpeed {b.TopSpeed} does not equal default value, possibly because it failed silently.", "Motor.Torque is close enough to default.")) return;
			if (!Assert.Equal(b.Reverse, false, $"Motor.Reverse {b.Reverse} does not equal default value, possibly because it failed silently.", "Motor.Reverse is default.")) return;
        }

		[APITestCase(TestType.EditMode)]
        public static void TestPiston()
        {
			Block newBlock = Block.PlaceNew(BlockIDs.PneumaticPiston, Unity.Mathematics.float3.zero + 1);
            Piston b = null; // Note: the assignment operation is a lambda, which slightly confuses the compiler
			Assert.Errorless(() => { b = newBlock.Specialise<Piston>(); }, "Block.Specialize<Piston>() raised an exception: ", "Block.Specialize<Piston>() completed without issue.");
            if (!Assert.NotNull(b, "Block.Specialize<Piston>() returned null, possibly because it failed silently.", "Specialized Piston is not null.")) return;
			if (!Assert.CloseTo(b.MaximumExtension, 1.01f, $"Piston.MaximumExtension {b.MaximumExtension} does not equal default value, possibly because it failed silently.", "Piston.MaximumExtension is close enough to default.")) return;
			if (!Assert.CloseTo(b.MaximumForce, 1.0f, $"Piston.MaximumForce {b.MaximumForce} does not equal default value, possibly because it failed silently.", "Piston.MaximumForce is close enough to default.")) return;
        }

        [APITestCase(TestType.EditMode)]
        public static void TestServo()
        {
	        Block newBlock = Block.PlaceNew(BlockIDs.ServoAxle, Unity.Mathematics.float3.zero + 1);
	        Servo b = null; // Note: the assignment operation is a lambda, which slightly confuses the compiler
	        Assert.Errorless(() => { b = newBlock.Specialise<Servo>(); }, "Block.Specialize<Servo>() raised an exception: ", "Block.Specialize<Servo>() completed without issue.");
	        if (!Assert.NotNull(b, "Block.Specialize<Servo>() returned null, possibly because it failed silently.", "Specialized Servo is not null.")) return;
	        if (!Assert.CloseTo(b.MaximumAngle, 180f, $"Servo.MaximumAngle {b.MaximumAngle} does not equal default value, possibly because it failed silently.", "Servo.MaximumAngle is close enough to default.")) return;
			if (!Assert.CloseTo(b.MinimumAngle, -180f, $"Servo.MinimumAngle {b.MinimumAngle} does not equal default value, possibly because it failed silently.", "Servo.MinimumAngle is close enough to default.")) return;
			if (!Assert.CloseTo(b.MaximumForce, 60f, $"Servo.MaximumForce {b.MaximumForce} does not equal default value, possibly because it failed silently.", "Servo.MaximumForce is close enough to default.")) return;
        }

        [APITestCase(TestType.EditMode)]
        public static void TestDampedSpring()
        {
	        Block newBlock = Block.PlaceNew(BlockIDs.DampedSpring, Unity.Mathematics.float3.zero + 1);
	        DampedSpring b = null; // Note: the assignment operation is a lambda, which slightly confuses the compiler
	        Assert.Errorless(() => { b = newBlock.Specialise<DampedSpring>(); }, "Block.Specialize<Servo>() raised an exception: ", "Block.Specialize<DampedSpring>() completed without issue.");
	        if (!Assert.NotNull(b, "Block.Specialize<DampedSpring>() returned null, possibly because it failed silently.", "Specialized DampedSpring is not null.")) return;
	        if (!Assert.CloseTo(b.Stiffness, 1.0f, $"DampedSpring.Stiffness {b.Stiffness} does not equal default value, possibly because it failed silently.", "DampedSpring.Stiffness is close enough to default.")) return;
	        if (!Assert.CloseTo(b.Damping, 0.1f, $"DampedSpring.Damping {b.Damping} does not equal default value, possibly because it failed silently.", "DampedSpring.Damping is close enough to default.")) return;
	        if (!Assert.CloseTo(b.MaxExtension, 0.3f, $"DampedSpring.MaxExtension {b.MaxExtension} does not equal default value, possibly because it failed silently.", "DampedSpring.MaxExtension is close enough to default.")) return;
        }
        
        [APITestCase(TestType.Game)]
        public static void TestMusicBlock1()
        {
	        Block newBlock = Block.PlaceNew(BlockIDs.MusicBlock, Unity.Mathematics.float3.zero + 2);
	        MusicBlock b = null; // Note: the assignment operation is a lambda, which slightly confuses the compiler
	        Assert.Errorless(() => { b = newBlock.Specialise<MusicBlock>(); }, "Block.Specialize<MusicBlock>() raised an exception: ", "Block.Specialize<MusicBlock>() completed without issue.");
	        if (!Assert.NotNull(b, "Block.Specialize<MusicBlock>() returned null, possibly because it failed silently.", "Specialized MusicBlock is not null.")) return;
	        if (!Assert.CloseTo(b.Volume, 100f, $"MusicBlock.Volume {b.Volume} does not equal default value, possibly because it failed silently.", "MusicBlock.Volume is close enough to default.")) return;
	        if (!Assert.Equal(b.TrackIndex, 0, $"MusicBlock.TrackIndex {b.TrackIndex} does not equal default value, possibly because it failed silently.", "MusicBlock.TrackIndex is equal to default.")) return;
	        _musicBlock = b;
        }

        private static MusicBlock _musicBlock;
        
        [APITestCase(TestType.EditMode)]
        public static void TestMusicBlock2()
        {
	        //Block newBlock = Block.GetLastPlacedBlock();
	        var b = _musicBlock;
	        if (!Assert.NotNull(b, "Block.Specialize<MusicBlock>() returned null, possibly because it failed silently.", "Specialized MusicBlock is not null.")) return;
	        b.IsPlaying = true; // play sfx
	        if (!Assert.Equal(b.IsPlaying, true, $"MusicBlock.IsPlaying {b.IsPlaying} does not equal true, possibly because it failed silently.", "MusicBlock.IsPlaying is set properly.")) return;
	        if (!Assert.Equal(b.ChannelType, ChannelType.None, $"MusicBlock.ChannelType {b.ChannelType} does not equal default value, possibly because it failed silently.", "MusicBlock.ChannelType is equal to default.")) return;
	        //Assert.Log(b.Track.ToString());
	        if (!Assert.Equal(b.Track.ToString(), new Guid("3237ff8f-f5f2-4f84-8144-496ca280f8c0").ToString(), $"MusicBlock.Track {b.Track} does not equal default value, possibly because it failed silently.", "MusicBlock.Track is equal to default.")) return;
        }

        [APITestCase(TestType.EditMode)]
        public static void TestLogicGate()
        {
	        Block newBlock = Block.PlaceNew(BlockIDs.NOTLogicBlock, Unity.Mathematics.float3.zero + 1);
	        LogicGate b = null; // Note: the assignment operation is a lambda, which slightly confuses the compiler
	        Assert.Errorless(() => { b = newBlock.Specialise<LogicGate>(); }, "Block.Specialize<LogicGate>() raised an exception: ", "Block.Specialize<LogicGate>() completed without issue.");
	        if (!Assert.NotNull(b, "Block.Specialize<LogicGate>() returned null, possibly because it failed silently.", "Specialized LogicGate is not null.")) return;
	        if (!Assert.Equal(b.InputCount, 1u, $"LogicGate.InputCount {b.InputCount} does not equal default value, possibly because it failed silently.", "LogicGate.InputCount is default.")) return;
	        if (!Assert.Equal(b.OutputCount, 1u, $"LogicGate.OutputCount {b.OutputCount} does not equal default value, possibly because it failed silently.", "LogicGate.OutputCount is default.")) return;
	        if (!Assert.NotNull(b, "Block.Specialize<LogicGate>() returned null, possibly because it failed silently.", "Specialized LogicGate is not null.")) return;
	        //if (!Assert.Equal(b.PortName(0, true), "Input", $"LogicGate.PortName(0, input:true) {b.PortName(0, true)} does not equal default value, possibly because it failed silently.", "LogicGate.PortName(0, input:true) is close enough to default.")) return;
	        LogicGate target = null;
	        if (!Assert.Errorless(() => { target = Block.PlaceNew<LogicGate>(BlockIDs.ANDLogicBlock, Unity.Mathematics.float3.zero + 2); })) return;
	        Wire newWire = null;
	        if (!Assert.Errorless(() => { newWire = b.Connect(0, target, 0);})) return;
	        if (!Assert.NotNull(newWire, "SignalingBlock.Connect(...) returned null, possible because it failed silently.", "SignalingBlock.Connect(...) returned a non-null value.")) return;
        }

        [APITestCase(TestType.EditMode)]
        public static void TestSpecialiseError()
        {
	        Block newBlock = Block.PlaceNew(BlockIDs.Bench, new float3(1, 1, 1));
	        if (Assert.Errorful<BlockTypeException>(() => newBlock.Specialise<MusicBlock>(), "Block.Specialise<MusicBlock>() was expected to error on a bench block.", "Block.Specialise<MusicBlock>() errored as expected for a bench block.")) return;
        }
	}
#endif
}