using UnityEngine;

namespace Vanguard.Board3D
{
    /// <summary>
    /// Настройка 3D-поля: геометрия кругов, высоты, скорости анимаций,
    /// камера и палитра. Один общий ассет на Classic; раскладка не зависит
    /// от того, за какое место играет локальный игрок.
    /// </summary>
    [CreateAssetMenu(
        menuName = "Vanguard/Playmat Layout",
        fileName = "PlaymatLayoutConfig")]
    public sealed class PlaymatLayoutConfig : ScriptableObject
    {
        [Header("Карта")]
        public float cardWidth = 0.63f;
        public float cardHeight = 0.88f;
        public float cardThickness = 0.006f;

        [Header("Поле")]
        [Tooltip("Расстояние между центрами соседних кругов по X.")]
        public float circleSpacingX = 1.42f;
        [Tooltip("Z переднего ряда в локальных координатах игрока.")]
        public float frontRowZ = 1.55f;
        [Tooltip("Z заднего ряда в локальных координатах игрока.")]
        public float backRowZ = 3.0f;
        public float boardHalfWidth = 4.6f;
        public float boardHalfLength = 4.0f;

        [Header("Высоты")]
        public float cardLift = 0.02f;
        public float guardianLift = 0.008f;
        public float damageLift = 0.012f;
        public float pileLift = 0.018f;
        public float dragLift = 0.14f;

        [Header("Взаимодействие")]
        public float snapRadius = 0.66f;
        public float dragThresholdPixels = 7f;
        public float smoothMoveSpeed = 16f;
        public float smoothRotateSpeed = 14f;
        public float handHoverLift = 0.08f;

        [Header("Рука на столе (fallback без камеры)")]
        public float handCenterZ = -5.3f;
        public float handHeight = 1.12f;
        [Range(0f, 85f)] public float handTilt = 58f;
        public float handSpacing = 0.42f;
        public float handMaxWidth = 7.4f;
        public float handArc = 0.035f;

        [Header("Рука в поле зрения")]
        [Tooltip("Доля ширины экрана для центра карт: 0 — левый край, 0.5 — середина.")]
        [Range(0.05f, 0.95f)] public float handViewportX = 0.44f;
        [Tooltip("Доля высоты экрана для центра карт: 0 — низ, 0.5 — середина.")]
        [Range(0.05f, 0.45f)] public float handViewportY = 0.10f;
        [Tooltip("Расстояние от камеры до веера руки, метры.")]
        public float handViewDistance = 4.0f;
        public float handViewMaxWidth = 1.4f;
        public float handViewScale = 0.5f;
        public float handViewRoll = 3.2f;
        public float handViewArc = 0.02f;

        [Header("Рука противника")]
        public bool opponentHandEnabled = true;
        public float opponentHandZ = 4.3f;
        public float opponentHandHeight = 0.75f;
        public float opponentHandSpacing = 0.42f;
        public float opponentHandMaxWidth = 2.4f;
        public float opponentHandScale = 0.8f;
        public float opponentHandRoll = 2.5f;

        [Header("Круг защиты")]
        public float guardianRowGap = 0.55f;
        public float guardianSpacing = 0.62f;
        public float guardianMaxWidth = 3.6f;

        [Header("Стопки")]
        [Tooltip("Расстояние от центра стола до зоны урона.")]
        public float damageX = 3.0f;
        [Tooltip("Расстояние от центра стола до колоды и дропа.")]
        public float pileX = 2.95f;

        [Header("Отладка")]
        [Tooltip("Показывать подписи зон на 3D-столе.")]
        public bool showZoneLabels = false;

        [Header("Камера")]
        [Tooltip("Фиксированная камера над полем. Не двигается игроком.")]
        public Vector3 cameraPosition = new Vector3(0f, 4.2f, -8f);
        public Vector3 cameraTarget = new Vector3(0f, 0f, 0f);
        public float cameraFov = 46f;

        [Header("Палитра")]
        public Color tableColor = new Color(0.045f, 0.04f, 0.055f);
        public Color matSelfColor = new Color(0.055f, 0.095f, 0.16f);
        public Color matOpponentColor = new Color(0.13f, 0.065f, 0.075f);
        public Color lineColor = new Color(0.62f, 0.45f, 0.18f);
        public Color ringColor = new Color(0.18f, 0.28f, 0.44f);
        public Color vanguardRingColor = new Color(0.78f, 0.60f, 0.24f);
        public Color guardianColor = new Color(0.18f, 0.58f, 0.70f);
        public Color damageColor = new Color(0.58f, 0.16f, 0.18f);
        public Color soulColor = new Color(0.42f, 0.25f, 0.68f);
        public Color highlightColor = new Color(1f, 0.78f, 0.24f);
        public Color selectedColor = new Color(0.35f, 0.95f, 0.56f);

        [Header("Необязательный prefab карты")]
        public Card3D cardPrefab;

        private static PlaymatLayoutConfig _default;

        /// <summary>Рантайм-конфиг, если в сцене нет ассета.</summary>
        public static PlaymatLayoutConfig Default
        {
            get
            {
                if (_default == null)
                {
                    _default = CreateInstance<PlaymatLayoutConfig>();
                    _default.name = "PlaymatLayoutConfig (runtime)";
                    _default.hideFlags = HideFlags.DontSave;
                }

                return _default;
            }
        }

        public static PlaymatLayoutConfig CreateDefault()
        {
            var config = CreateInstance<PlaymatLayoutConfig>();
            config.name = "PlaymatLayoutConfig";
            return config;
        }

        public float CardCenterY => cardLift + (cardThickness * 0.5f);
        public float GuardianCenterY => guardianLift + (cardThickness * 0.5f);
        public float DamageCenterY => damageLift + (cardThickness * 0.5f);

        private void OnValidate()
        {
            cardWidth = Mathf.Max(0.1f, cardWidth);
            cardHeight = Mathf.Max(0.1f, cardHeight);
            cardThickness = Mathf.Max(0.001f, cardThickness);
            circleSpacingX = Mathf.Max(0.4f, circleSpacingX);
            frontRowZ = Mathf.Max(0.2f, frontRowZ);
            backRowZ = Mathf.Max(frontRowZ + 0.2f, backRowZ);
            boardHalfWidth = Mathf.Max(2f, boardHalfWidth);
            boardHalfLength = Mathf.Max(backRowZ + 0.5f, boardHalfLength);
            dragLift = Mathf.Max(cardLift + 0.02f, dragLift);
            snapRadius = Mathf.Clamp(snapRadius, 0.2f, 1.5f);
            handMaxWidth = Mathf.Max(1f, handMaxWidth);
            guardianMaxWidth = Mathf.Max(1f, guardianMaxWidth);
            handViewportY = Mathf.Clamp(handViewportY, 0.05f, 0.45f);
            handViewportX = Mathf.Clamp(handViewportX, 0.05f, 0.95f);
            handViewDistance = Mathf.Max(1f, handViewDistance);
            handViewMaxWidth = Mathf.Max(0.5f, handViewMaxWidth);
            handViewScale = Mathf.Clamp(handViewScale, 0.3f, 1.5f);
            handViewRoll = Mathf.Clamp(handViewRoll, 0f, 20f);
            handViewArc = Mathf.Max(0f, handViewArc);
            opponentHandZ = Mathf.Max(1f, opponentHandZ);
            opponentHandHeight = Mathf.Max(0.2f, opponentHandHeight);
            opponentHandSpacing = Mathf.Max(0.1f, opponentHandSpacing);
            opponentHandMaxWidth = Mathf.Max(0.5f, opponentHandMaxWidth);
            opponentHandScale = Mathf.Clamp(opponentHandScale, 0.3f, 1.5f);
            opponentHandRoll = Mathf.Clamp(opponentHandRoll, 0f, 20f);
        }
    }
}