using NUnit.Framework;
using ProjectM.Simulation;
using Unity.Collections;
using Unity.Entities;

namespace ProjectM.Tests
{
    /// <summary>
    /// Builds an AbilityDatabaseBlob with BlobBuilder (the same shape the AbilityDatabaseAuthoring baker
    /// produces) and verifies the id lookups round-trip values including FixedString names, and that a
    /// missing id returns false. Version-independent, no ECS world.
    /// </summary>
    public class AbilityDatabaseBlobTests
    {
        static BlobAssetReference<AbilityDatabaseBlob> Build()
        {
            using var builder = new BlobBuilder(Allocator.Temp);
            ref var root = ref builder.ConstructRoot<AbilityDatabaseBlob>();

            var abilities = builder.Allocate(ref root.Abilities, 2);
            abilities[0] = new AbilityDefBlob
            {
                Id = (byte)AbilityId.Primary, Damage = 20f, ProjectileSpeed = 25f, Range = 20f,
                AutoTargetRange = 12f, AutoTargetConeRadians = 0.6f, CooldownTicks = 12, Name = "Primary"
            };
            abilities[1] = new AbilityDefBlob
            {
                Id = (byte)AbilityId.FastLight, Damage = 8f, ProjectileSpeed = 40f, Range = 16f,
                AutoTargetRange = 12f, AutoTargetConeRadians = 0.6f, CooldownTicks = 5, Name = "FastLight"
            };

            var chars = builder.Allocate(ref root.Characters, 1);
            chars[0] = new CharacterStatsBlob
            {
                Id = (byte)CharacterId.Default, MoveSpeed = 6f, TurnRateRadiansPerSec = 12.5f,
                MaxHealth = 100f, Name = "Default"
            };

            return builder.CreateBlobAssetReference<AbilityDatabaseBlob>(Allocator.Persistent);
        }

        [Test]
        public void TryGetAbility_Hit_Returns_Fields()
        {
            var blob = Build();
            try
            {
                Assert.IsTrue(blob.Value.TryGetAbility((byte)AbilityId.FastLight, out var def));
                Assert.AreEqual(8f, def.Damage, 1e-4f);
                Assert.AreEqual(40f, def.ProjectileSpeed, 1e-4f);
                Assert.AreEqual(5, def.CooldownTicks);
                Assert.AreEqual("FastLight", def.Name.ToString());
            }
            finally { blob.Dispose(); }
        }

        [Test]
        public void TryGetAbility_Miss_Returns_False()
        {
            var blob = Build();
            try
            {
                Assert.IsFalse(blob.Value.TryGetAbility((byte)AbilityId.SlowHeavy, out _));
            }
            finally { blob.Dispose(); }
        }

        [Test]
        public void TryGetCharacter_Hit_Returns_Fields()
        {
            var blob = Build();
            try
            {
                Assert.IsTrue(blob.Value.TryGetCharacter((byte)CharacterId.Default, out var def));
                Assert.AreEqual(6f, def.MoveSpeed, 1e-4f);
                Assert.AreEqual(100f, def.MaxHealth, 1e-4f);
                Assert.AreEqual("Default", def.Name.ToString());
            }
            finally { blob.Dispose(); }
        }
    }
}