using UnityEngine;

namespace FlappyBird.Gameplay.Bird
{
    /// <summary>
    /// ScriptableObject that holds all configurable bird physics parameters.
    /// Create via: Assets → Create → FlappyBird → Bird Settings
    /// </summary>
    [CreateAssetMenu(fileName = "BirdSettings", menuName = "FlappyBird/Bird Settings")]
    public sealed class BirdSettings : ScriptableObject
    {
        [Header("Jump")]
        [Tooltip("Upward force applied on each tap (Impulse mode).")]
        [SerializeField, Min(0f)] private float jumpForce = 5f;

        [Header("Rotation")]
        [Tooltip("Maximum upward tilt angle in degrees (positive = nose up).")]
        [SerializeField] private float maxUpRotation = 30f;

        [Tooltip("Maximum downward tilt angle in degrees (positive = nose down).")]
        [SerializeField] private float maxDownRotation = -90f;

        [Tooltip("Velocity at which the bird reaches full upward rotation.")]
        [SerializeField] private float rotationUpVelocity = 5f;

        [Tooltip("Velocity at which the bird reaches full downward rotation.")]
        [SerializeField] private float rotationDownVelocity = -10f;

        [Tooltip("Speed at which the rotation visually lerps to the target angle.")]
        [SerializeField, Min(0f)] private float rotationSpeed = 10f;

        [Header("Boundaries")]
        [Tooltip("Y position of the ceiling. Bird dies if it rises above this value.")]
        [SerializeField] private float maxY = 5f;

        [Tooltip("Y position of the ground. Bird dies if it falls below this value.")]
        [SerializeField] private float minY = -5f;

        // ── Public read-only accessors ──────────────────────────────────────
        public float JumpForce            => jumpForce;
        public float MaxUpRotation        => maxUpRotation;
        public float MaxDownRotation      => maxDownRotation;
        public float RotationUpVelocity   => rotationUpVelocity;
        public float RotationDownVelocity => rotationDownVelocity;
        public float RotationSpeed        => rotationSpeed;
        public float MaxY                 => maxY;
        public float MinY                 => minY;
    }
}