using System;
using UnityEngine;

namespace PinballUncountable
{
    /// <summary>
    /// 单条轨迹：Dome 内单颗球的烘焙位置序列（无需 collider 信息）
    /// </summary>
    [Serializable]
    public class SerializableDomeTrajectory
    {
        public Vector2[] positions;

        public SerializableDomeTrajectory() => positions = Array.Empty<Vector2>();
        public SerializableDomeTrajectory(Vector2[] positions) => this.positions = positions ?? Array.Empty<Vector2>();
    }

    /// <summary>
    /// 一次 Kick 的烘焙数据：每颗球一条轨迹
    /// </summary>
    [Serializable]
    public class DomeKickVariant
    {
        public SerializableDomeTrajectory[] trajectories = Array.Empty<SerializableDomeTrajectory>();
    }

    /// <summary>
    /// Dome 烘焙数据资源：多组 Kick 变体，运行时随机选一组回放
    /// </summary>
    public class PinballUncountableDomeBakedData : ScriptableObject
    {
        public DomeKickVariant[] variants = Array.Empty<DomeKickVariant>();

        /// <summary>
        /// 将某条可序列化轨迹转为 SimBall 使用的 FrameData（Collider 为空）
        /// </summary>
        public static PinballUncountableFrameData[] ToFrameData(SerializableDomeTrajectory t)
        {
            if (t?.positions == null || t.positions.Length == 0)
                return Array.Empty<PinballUncountableFrameData>();

            var frames = new PinballUncountableFrameData[t.positions.Length];
            for (int i = 0; i < t.positions.Length; i++)
                frames[i] = new PinballUncountableFrameData(t.positions[i], null);
            return frames;
        }
    }
}