using Xunit;
using XWorld.Framework.ActorBehavior;

namespace XWorld.Framework.Tests.ActorBehavior
{
    public class BehaviorTargetingTests
    {
        [Theory]
        [InlineData("sector_test", 2)]
        [InlineData("sphere_test", 2)]
        [InlineData("ring_test", 3)]
        [InlineData("line_test", 2)]
        public void LogicEffectShapes_SelectExpectedTargets(string behaviorId, int expectedTarget)
        {
            BehaviorWorld world = TestTargetWorld.Create();

            world.TryStartBehavior(1, behaviorId, BehaviorInput.FromDirection(1, 0));
            world.Tick(0.01f);

            Assert.Contains(world.DrainEvents(), e =>
                e.Kind == BehaviorEventKind.AttributeEffectRequested && e.TargetActorId == expectedTarget);
        }

        [Fact]
        public void LockedEffect_UsesTargetActorInput()
        {
            BehaviorWorld world = TestTargetWorld.Create();

            world.TryStartBehavior(1, "locked_test", BehaviorInput.FromTargetActor(3));
            world.Tick(0.01f);

            Assert.Contains(world.DrainEvents(), e =>
                e.Kind == BehaviorEventKind.AttributeEffectRequested && e.TargetActorId == 3);
        }
    }

    internal static class TestTargetWorld
    {
        public static BehaviorWorld Create()
        {
            BehaviorConfigCatalog catalog = BehaviorConfigCatalog.LoadFromJson(
                "fighter",
                Skill,
                EmptyFlyObject,
                EmptyBuff);
            var world = new BehaviorWorld(new BehaviorWorldOptions { Mode = BehaviorRunMode.ServerLogic });
            world.RegisterCatalog(catalog);
            world.AddActor(new BehaviorActorState { ActorId = 1, CatalogType = "fighter", TeamId = 1, Position = new BehaviorVector3(0, 0, 0), Forward = new BehaviorVector3(1, 0, 0), Radius = 0.3f, Alive = true });
            world.AddActor(new BehaviorActorState { ActorId = 2, CatalogType = "fighter", TeamId = 2, Position = new BehaviorVector3(1, 0, 0), Forward = new BehaviorVector3(-1, 0, 0), Radius = 0.3f, Alive = true });
            world.AddActor(new BehaviorActorState { ActorId = 3, CatalogType = "fighter", TeamId = 2, Position = new BehaviorVector3(3, 0, 0), Forward = new BehaviorVector3(-1, 0, 0), Radius = 0.3f, Alive = true });
            world.AddActor(new BehaviorActorState { ActorId = 4, CatalogType = "fighter", TeamId = 2, Position = new BehaviorVector3(0, 0, 2), Forward = new BehaviorVector3(0, 0, -1), Radius = 0.3f, Alive = true });
            return world;
        }

        private const string EmptyFlyObject = @"{
          ""type"": ""fighter"",
          ""version"": 1,
          ""flyObjects"": []
        }";

        private const string EmptyBuff = @"{
          ""type"": ""fighter"",
          ""version"": 1,
          ""buffs"": []
        }";

        private const string Skill = @"{
          ""type"": ""fighter"",
          ""version"": 1,
          ""behaviors"": [
            {
              ""id"": ""sector_test"",
              ""duration"": 0.1,
              ""canBeInterrupted"": true,
              ""timeline"": [{ ""time"": 0, ""kind"": ""LogicEffect"", ""effectId"": ""sector_hit"" }],
              ""logicEffects"": [{
                ""id"": ""sector_hit"",
                ""shape"": ""Sector"",
                ""radius"": 2,
                ""angle"": 90,
                ""target"": ""Enemy"",
                ""effects"": [{ ""type"": ""Attribute"", ""attribute"": ""hp"", ""value"": -1 }]
              }]
            },
            {
              ""id"": ""sphere_test"",
              ""duration"": 0.1,
              ""canBeInterrupted"": true,
              ""timeline"": [{ ""time"": 0, ""kind"": ""LogicEffect"", ""effectId"": ""sphere_hit"" }],
              ""logicEffects"": [{
                ""id"": ""sphere_hit"",
                ""shape"": ""Sphere"",
                ""radius"": 1.5,
                ""target"": ""Enemy"",
                ""effects"": [{ ""type"": ""Attribute"", ""attribute"": ""hp"", ""value"": -1 }]
              }]
            },
            {
              ""id"": ""ring_test"",
              ""duration"": 0.1,
              ""canBeInterrupted"": true,
              ""timeline"": [{ ""time"": 0, ""kind"": ""LogicEffect"", ""effectId"": ""ring_hit"" }],
              ""logicEffects"": [{
                ""id"": ""ring_hit"",
                ""shape"": ""Ring"",
                ""minRadius"": 2,
                ""radius"": 3.5,
                ""target"": ""Enemy"",
                ""effects"": [{ ""type"": ""Attribute"", ""attribute"": ""hp"", ""value"": -1 }]
              }]
            },
            {
              ""id"": ""line_test"",
              ""duration"": 0.1,
              ""canBeInterrupted"": true,
              ""timeline"": [{ ""time"": 0, ""kind"": ""LogicEffect"", ""effectId"": ""line_hit"" }],
              ""logicEffects"": [{
                ""id"": ""line_hit"",
                ""shape"": ""Line"",
                ""radius"": 2,
                ""width"": 0.5,
                ""target"": ""Enemy"",
                ""effects"": [{ ""type"": ""Attribute"", ""attribute"": ""hp"", ""value"": -1 }]
              }]
            },
            {
              ""id"": ""locked_test"",
              ""duration"": 0.1,
              ""canBeInterrupted"": true,
              ""timeline"": [{ ""time"": 0, ""kind"": ""LogicEffect"", ""effectId"": ""locked_hit"" }],
              ""logicEffects"": [{
                ""id"": ""locked_hit"",
                ""shape"": ""Locked"",
                ""target"": ""HitActor"",
                ""effects"": [{ ""type"": ""Attribute"", ""attribute"": ""hp"", ""value"": -1 }]
              }]
            }
          ]
        }";
    }
}