#if UNITY_EDITOR
using System.Linq;
using System.Text;
using UnityEditor;
using UnityEngine;

public static class DiagnoseRockBallOrient
{
    static string Fmt(Vector3 v) => $"({v.x:F3},{v.y:F3},{v.z:F3})";
    static string FmtE(Quaternion q) => $"({q.eulerAngles.x:F1},{q.eulerAngles.y:F1},{q.eulerAngles.z:F1})";

    static Bounds MeshBounds(GameObject go)
    {
        var rs = go.GetComponentsInChildren<Renderer>()
            .Where(r => r.name != "ForwardMinusZ" && r.GetComponent<TextMesh>() == null)
            .ToArray();
        var b = rs[0].bounds;
        for (int i = 1; i < rs.Length; i++) b.Encapsulate(rs[i].bounds);
        return b;
    }

    public static string Run()
    {
        var sb = new StringBuilder();
        var staticP = AssetDatabase.LoadAssetAtPath<GameObject>("Assets/Bundles/Characters/Animal/RockBall/RockBall.prefab");
        var rigP = AssetDatabase.LoadAssetAtPath<GameObject>("Assets/Bundles/Characters/Animal/RockBall/RockBall_Rigged.prefab");

        var a = (GameObject)PrefabUtility.InstantiatePrefab(staticP);
        a.transform.SetPositionAndRotation(Vector3.zero, Quaternion.identity);
        var ba = MeshBounds(a);
        sb.AppendLine($"STATIC bounds min={Fmt(ba.min)} size={Fmt(ba.size)}");
        Object.DestroyImmediate(a);

        var b = (GameObject)PrefabUtility.InstantiatePrefab(rigP);
        b.transform.SetPositionAndRotation(new Vector3(3, 0, 0), Quaternion.identity);
        var anim = b.GetComponentInChildren<Animator>();
        var bone0 = b.GetComponentsInChildren<Transform>().FirstOrDefault(t => t.name == "bone_0");
        var arm = b.GetComponentsInChildren<Transform>().FirstOrDefault(t => t.name == "Armature");

        anim.Rebind();
        anim.Update(0f);
        var br = MeshBounds(b);
        sb.AppendLine($"RIGGED rebind bounds min={Fmt(br.min)} size={Fmt(br.size)}");
        if (arm != null) sb.AppendLine($"  Armature up={Fmt(arm.up)} fwd={Fmt(arm.forward)} euler={FmtE(arm.rotation)}");
        if (bone0 != null) sb.AppendLine($"  bone0 up={Fmt(bone0.up)} fwd={Fmt(bone0.forward)} euler={FmtE(bone0.rotation)}");

        foreach (var motion in new[] { 0, 1, 2 })
        {
            anim.Rebind();
            anim.SetInteger("Motion", motion);
            anim.Update(0f);
            for (int i = 0; i < 15; i++) anim.Update(0.05f);
            var bm = MeshBounds(b);
            string name = motion == 0 ? "Idle" : motion == 1 ? "Walk" : "Attack";
            sb.AppendLine($"{name}: bounds min={Fmt(bm.min)} size={Fmt(bm.size)} extentY/X={(bm.size.y / Mathf.Max(0.001f, bm.size.x)):F2}");
            if (bone0 != null)
                sb.AppendLine($"  bone0 up={Fmt(bone0.up)} euler={FmtE(bone0.rotation)}");
        }

        // clip: does Armature/bone_0 leave bind orientation?
        foreach (var name in new[] { "Idle", "Walk", "Attack" })
        {
            var clip = AssetDatabase.LoadAssetAtPath<AnimationClip>($"Assets/Bundles/Characters/Animal/RockBall/Clips/{name}.anim");
            if (clip == null) continue;
            sb.AppendLine($"clip {name}:");
            foreach (var path in new[] { "Armature", "Armature/bone_0" })
            {
                var qx = AnimationUtility.GetEditorCurve(clip, new EditorCurveBinding { path = path, propertyName = "m_LocalRotation.x", type = typeof(Transform) });
                var qy = AnimationUtility.GetEditorCurve(clip, new EditorCurveBinding { path = path, propertyName = "m_LocalRotation.y", type = typeof(Transform) });
                var qz = AnimationUtility.GetEditorCurve(clip, new EditorCurveBinding { path = path, propertyName = "m_LocalRotation.z", type = typeof(Transform) });
                var qw = AnimationUtility.GetEditorCurve(clip, new EditorCurveBinding { path = path, propertyName = "m_LocalRotation.w", type = typeof(Transform) });
                if (qx == null) continue;
                var q0 = new Quaternion(qx.Evaluate(0), qy.Evaluate(0), qz.Evaluate(0), qw.Evaluate(0));
                var q1 = new Quaternion(qx.Evaluate(clip.length * 0.5f), qy.Evaluate(clip.length * 0.5f), qz.Evaluate(clip.length * 0.5f), qw.Evaluate(clip.length * 0.5f));
                sb.AppendLine($"  {path} t0 euler={FmtE(q0)} tMid euler={FmtE(q1)} angleDelta={Quaternion.Angle(q0, q1):F1}");
            }
        }

        Object.DestroyImmediate(b);
        return sb.ToString();
    }
}
#endif