using UnityEngine;

namespace BaseGames.Player.States
{
    /// <summary>跳跃状态。在 OnStateEnter 触发跳跃，速度降为零时转为 FallState。</summary>
    public class JumpState : PlayerStateBase
    {
        public JumpState(PlayerController owner) : base(owner) { }

        public override void OnStateEnter()
        {
            if (AnimCfg?.Jump != null)
                Anim.Play(AnimCfg.Jump);
            Move.Jump();
            Input.JumpCancelledEvent += OnJumpCancelled;
        }

        public override void OnStateUpdate()
        {
            // 上升结束时转为下落
            if (Move.Rb.velocity.y <= 0f)
            {
                _owner.TransitionTo(_owner.GetState<FallState>());
                return;
            }
            // 水平移动
            if (Mathf.Abs(Input.MoveInput.x) > 0.01f)
                Move.Move(Input.MoveInput.x * Cfg.RunSpeed);
        }

        public override void OnStateExit()
        {
            Input.JumpCancelledEvent -= OnJumpCancelled;
        }

        private void OnJumpCancelled() => Move.CutJump();
    }
}