using System;
using NUnit.Framework;
using UnityEngine;
using UnityEngine.TestTools;
using BaseGames.Enemies;

namespace BaseGames.Tests.EditMode.Enemies
{
    public class EnemyBrainContextBossFacetTests
    {
        // 本项目关闭了 Domain/Scene Reload，EditMode 测试跑在当前打开的场景上：
        // 建出来的物体必须在 TearDown 里销毁，断言失败时才不会把物体永久留在场景里。
        GameObject _go;

        // EnemyBase.Awake 会对缺失的碰撞体/引用报错，这些与本测试无关。
        [SetUp]
        public void SetUp() => LogAssert.ignoreFailingMessages = true;

        [TearDown]
        public void TearDown()
        {
            LogAssert.ignoreFailingMessages = false;
            if (_go != null) UnityEngine.Object.DestroyImmediate(_go);
            _go = null;
        }

        T MakeEnemy<T>(string name) where T : EnemyBase
        {
            _go = new GameObject(name);
            return _go.AddComponent<T>();
        }

        [Test]
        public void NonBoss_AccessingBossFacet_Throws()
        {
            var enemy = MakeEnemy<EnemyBase>("plain-enemy");
            var ctx   = new EnemyBrainContext(enemy);

            Assert.Throws<InvalidOperationException>(() => { var _ = ctx.Boss; });
        }

        [Test]
        public void Boss_AccessingBossFacet_ReturnsTheBoss()
        {
            var boss = MakeEnemy<BossBase>("boss");
            var ctx  = new EnemyBrainContext(boss);

            Assert.AreSame(boss, ctx.Boss);
            Assert.AreEqual(0, ctx.Boss.CurrentPhase);
            Assert.IsFalse(ctx.Boss.IsPhaseTransitioning);
            // 未挂 BossResource：图查询资源满值属配置错误，必须抛而不是静默返回 false
            Assert.Throws<InvalidOperationException>(() => { var _ = ctx.Boss.ResourceFull; });
        }
    }
}