using UnityEngine;
using UnityEditor;

namespace Streamingle.Contents.BossRaid.Editor
{
    public static class ParticleCreator
    {
        [MenuItem("Streamingle/BossRaid/Create Particle Prefabs")]
        public static void CreateAll()
        {
            string basePath = "Assets/Scripts/Contents/BossRaid/Resources/Particles";
            EnsureFolder(basePath);

            CreateHitSpark(basePath);
            CreateCriticalHit(basePath);
            CreateBossExplosion(basePath);
            CreateVictoryConfetti(basePath);
            CreatePhaseAura(basePath);

            AssetDatabase.SaveAssets();
            AssetDatabase.Refresh();
            Debug.Log("[ParticleCreator] 5개 파티클 프리팹 생성 완료!");
        }

        static void EnsureFolder(string path)
        {
            if (AssetDatabase.IsValidFolder(path)) return;
            string parent = System.IO.Path.GetDirectoryName(path).Replace("\\", "/");
            string folder = System.IO.Path.GetFileName(path);
            if (!AssetDatabase.IsValidFolder(parent))
                EnsureFolder(parent);
            AssetDatabase.CreateFolder(parent, folder);
        }

        static Material GetParticleMaterial()
        {
            var shader = Shader.Find("Particles/Standard Unlit");
            if (shader == null) shader = Shader.Find("Universal Render Pipeline/Particles/Unlit");
            if (shader == null) shader = Shader.Find("Unlit/Color");
            return new Material(shader);
        }

        static void CreateHitSpark(string basePath)
        {
            var go = new GameObject("HitSpark");
            var ps = go.AddComponent<ParticleSystem>();
            var main = ps.main;
            main.duration = 0.3f;
            main.loop = false;
            main.startLifetime = new ParticleSystem.MinMaxCurve(0.2f, 0.5f);
            main.startSpeed = new ParticleSystem.MinMaxCurve(4f, 8f);
            main.startSize = new ParticleSystem.MinMaxCurve(0.05f, 0.15f);
            main.startColor = new Color(1f, 0.9f, 0.3f, 1f);
            main.maxParticles = 30;
            main.simulationSpace = ParticleSystemSimulationSpace.World;
            main.gravityModifier = 1.5f;
            main.playOnAwake = true;

            var emission = ps.emission;
            emission.rateOverTime = 0;
            emission.SetBursts(new[] { new ParticleSystem.Burst(0f, 12, 18) });

            var shape = ps.shape;
            shape.shapeType = ParticleSystemShapeType.Sphere;
            shape.radius = 0.2f;

            var sol = ps.sizeOverLifetime;
            sol.enabled = true;
            sol.size = new ParticleSystem.MinMaxCurve(1f, AnimationCurve.Linear(0, 1, 1, 0));

            var col = ps.colorOverLifetime;
            col.enabled = true;
            var grad = new Gradient();
            grad.SetKeys(
                new[] { new GradientColorKey(new Color(1f, 1f, 0.5f), 0f), new GradientColorKey(new Color(1f, 0.5f, 0f), 1f) },
                new[] { new GradientAlphaKey(1f, 0f), new GradientAlphaKey(0f, 1f) }
            );
            col.color = grad;

            var renderer = go.GetComponent<ParticleSystemRenderer>();
            renderer.renderMode = ParticleSystemRenderMode.Billboard;
            renderer.material = GetParticleMaterial();

            PrefabUtility.SaveAsPrefabAsset(go, basePath + "/HitSpark.prefab");
            Object.DestroyImmediate(go);
        }

        static void CreateCriticalHit(string basePath)
        {
            var go = new GameObject("CriticalHit");
            var ps = go.AddComponent<ParticleSystem>();
            var main = ps.main;
            main.duration = 0.5f;
            main.loop = false;
            main.startLifetime = new ParticleSystem.MinMaxCurve(0.3f, 0.7f);
            main.startSpeed = new ParticleSystem.MinMaxCurve(6f, 12f);
            main.startSize = new ParticleSystem.MinMaxCurve(0.1f, 0.3f);
            main.startColor = new Color(1f, 0.3f, 0.1f, 1f);
            main.maxParticles = 50;
            main.simulationSpace = ParticleSystemSimulationSpace.World;
            main.gravityModifier = 1f;
            main.playOnAwake = true;

            var emission = ps.emission;
            emission.rateOverTime = 0;
            emission.SetBursts(new[] { new ParticleSystem.Burst(0f, 25, 35) });

            var shape = ps.shape;
            shape.shapeType = ParticleSystemShapeType.Sphere;
            shape.radius = 0.4f;

            var sol = ps.sizeOverLifetime;
            sol.enabled = true;
            sol.size = new ParticleSystem.MinMaxCurve(1f, AnimationCurve.Linear(0, 1, 1, 0));

            var col = ps.colorOverLifetime;
            col.enabled = true;
            var grad = new Gradient();
            grad.SetKeys(
                new[] { new GradientColorKey(Color.white, 0f), new GradientColorKey(new Color(1f, 0.2f, 0f), 0.3f), new GradientColorKey(new Color(0.8f, 0f, 0f), 1f) },
                new[] { new GradientAlphaKey(1f, 0f), new GradientAlphaKey(1f, 0.5f), new GradientAlphaKey(0f, 1f) }
            );
            col.color = grad;

            var renderer = go.GetComponent<ParticleSystemRenderer>();
            renderer.renderMode = ParticleSystemRenderMode.Billboard;
            renderer.material = GetParticleMaterial();

            PrefabUtility.SaveAsPrefabAsset(go, basePath + "/CriticalHit.prefab");
            Object.DestroyImmediate(go);
        }

        static void CreateBossExplosion(string basePath)
        {
            var go = new GameObject("BossExplosion");
            var ps = go.AddComponent<ParticleSystem>();
            var main = ps.main;
            main.duration = 1f;
            main.loop = false;
            main.startLifetime = new ParticleSystem.MinMaxCurve(0.5f, 1.5f);
            main.startSpeed = new ParticleSystem.MinMaxCurve(3f, 10f);
            main.startSize = new ParticleSystem.MinMaxCurve(0.2f, 0.6f);
            main.startColor = new Color(1f, 0.5f, 0f, 1f);
            main.maxParticles = 80;
            main.simulationSpace = ParticleSystemSimulationSpace.World;
            main.gravityModifier = 0.5f;
            main.playOnAwake = true;

            var emission = ps.emission;
            emission.rateOverTime = 0;
            emission.SetBursts(new[] {
                new ParticleSystem.Burst(0f, 40, 60),
                new ParticleSystem.Burst(0.1f, 15, 25)
            });

            var shape = ps.shape;
            shape.shapeType = ParticleSystemShapeType.Sphere;
            shape.radius = 0.8f;

            var sol = ps.sizeOverLifetime;
            sol.enabled = true;
            sol.size = new ParticleSystem.MinMaxCurve(1f, AnimationCurve.EaseInOut(0, 1, 1, 0));

            var col = ps.colorOverLifetime;
            col.enabled = true;
            var grad = new Gradient();
            grad.SetKeys(
                new[] { new GradientColorKey(Color.white, 0f), new GradientColorKey(new Color(1f, 0.6f, 0f), 0.2f), new GradientColorKey(new Color(0.3f, 0.3f, 0.3f), 1f) },
                new[] { new GradientAlphaKey(1f, 0f), new GradientAlphaKey(0.8f, 0.5f), new GradientAlphaKey(0f, 1f) }
            );
            col.color = grad;

            var renderer = go.GetComponent<ParticleSystemRenderer>();
            renderer.renderMode = ParticleSystemRenderMode.Billboard;
            renderer.material = GetParticleMaterial();

            PrefabUtility.SaveAsPrefabAsset(go, basePath + "/BossExplosion.prefab");
            Object.DestroyImmediate(go);
        }

        static void CreateVictoryConfetti(string basePath)
        {
            var go = new GameObject("VictoryConfetti");
            var ps = go.AddComponent<ParticleSystem>();
            var main = ps.main;
            main.duration = 3f;
            main.loop = false;
            main.startLifetime = new ParticleSystem.MinMaxCurve(2f, 4f);
            main.startSpeed = new ParticleSystem.MinMaxCurve(5f, 10f);
            main.startSize = new ParticleSystem.MinMaxCurve(0.1f, 0.25f);
            main.maxParticles = 200;
            main.simulationSpace = ParticleSystemSimulationSpace.World;
            main.gravityModifier = 0.8f;
            main.playOnAwake = true;
            main.startRotation = new ParticleSystem.MinMaxCurve(0f, Mathf.PI * 2f);
            main.startColor = new ParticleSystem.MinMaxGradient(new Color(1f, 0.2f, 0.2f), new Color(0.2f, 0.5f, 1f));

            var emission = ps.emission;
            emission.rateOverTime = 0;
            emission.SetBursts(new[] {
                new ParticleSystem.Burst(0f, 60, 80),
                new ParticleSystem.Burst(0.3f, 40, 60),
                new ParticleSystem.Burst(0.6f, 30, 50)
            });

            var shape = ps.shape;
            shape.shapeType = ParticleSystemShapeType.Cone;
            shape.angle = 40f;
            shape.radius = 0.5f;

            var rot = ps.rotationOverLifetime;
            rot.enabled = true;
            rot.z = new ParticleSystem.MinMaxCurve(-3f, 3f);

            var col = ps.colorOverLifetime;
            col.enabled = true;
            var grad = new Gradient();
            grad.SetKeys(
                new[] { new GradientColorKey(Color.white, 0f), new GradientColorKey(Color.white, 1f) },
                new[] { new GradientAlphaKey(1f, 0f), new GradientAlphaKey(1f, 0.7f), new GradientAlphaKey(0f, 1f) }
            );
            col.color = grad;

            var renderer = go.GetComponent<ParticleSystemRenderer>();
            renderer.renderMode = ParticleSystemRenderMode.Billboard;
            renderer.material = GetParticleMaterial();

            PrefabUtility.SaveAsPrefabAsset(go, basePath + "/VictoryConfetti.prefab");
            Object.DestroyImmediate(go);
        }

        static void CreatePhaseAura(string basePath)
        {
            var go = new GameObject("PhaseAura");
            var ps = go.AddComponent<ParticleSystem>();
            var main = ps.main;
            main.duration = 2f;
            main.loop = true;
            main.startLifetime = new ParticleSystem.MinMaxCurve(1f, 2f);
            main.startSpeed = new ParticleSystem.MinMaxCurve(1f, 3f);
            main.startSize = new ParticleSystem.MinMaxCurve(0.2f, 0.5f);
            main.startColor = new Color(1f, 0.3f, 0f, 0.8f);
            main.maxParticles = 60;
            main.simulationSpace = ParticleSystemSimulationSpace.World;
            main.gravityModifier = -0.5f;
            main.playOnAwake = false;

            var emission = ps.emission;
            emission.rateOverTime = 30;

            var shape = ps.shape;
            shape.shapeType = ParticleSystemShapeType.Circle;
            shape.radius = 1.5f;

            var sol = ps.sizeOverLifetime;
            sol.enabled = true;
            sol.size = new ParticleSystem.MinMaxCurve(1f, AnimationCurve.EaseInOut(0, 0.5f, 1, 1.5f));

            var col = ps.colorOverLifetime;
            col.enabled = true;
            var grad = new Gradient();
            grad.SetKeys(
                new[] { new GradientColorKey(new Color(1f, 0.5f, 0f), 0f), new GradientColorKey(new Color(1f, 0.1f, 0f), 1f) },
                new[] { new GradientAlphaKey(0f, 0f), new GradientAlphaKey(0.8f, 0.3f), new GradientAlphaKey(0f, 1f) }
            );
            col.color = grad;

            var renderer = go.GetComponent<ParticleSystemRenderer>();
            renderer.renderMode = ParticleSystemRenderMode.Billboard;
            renderer.material = GetParticleMaterial();

            PrefabUtility.SaveAsPrefabAsset(go, basePath + "/PhaseAura.prefab");
            Object.DestroyImmediate(go);
        }
    }
}