using Cielonos.Core.Interaction;
using Cielonos.MainGame.Characters;
using UnityEngine;

namespace Cielonos.MainGame.Interactions
{
    /// <summary>
    /// 医疗站（休息点）场景交互对象。
    /// 玩家交互后恢复一定百分比的最大生命值，单次使用后标记为 Exhausted，不可再次触发治疗。
    /// </summary>
    public class MedicalStation : InteractableObjectBase
    {
        private const float DEFAULT_HEAL_PERCENTAGE = 0.3f;

        [Tooltip("恢复最大生命值的百分比（0~1），默认 0.3 即 30%。")]
        public float healPercentage = DEFAULT_HEAL_PERCENTAGE;

        private bool isUsed;

        protected override void InitializeChoices()
        {
            choices.Add(new InteractionChoice("Rest", Rest));
        }

        /// <summary>
        /// 执行治疗并禁用交互。
        /// UI 更新和 onHealthChanged 事件由 AttributeSubmodule 值变更回调自动触发。
        /// </summary>
        private void Rest()
        {
            if (isUsed) return;

            Player player = MainGameManager.Player;
            if (player == null)
            {
                Debug.LogWarning("[MedicalStation] 无法获取 Player 引用。");
                return;
            }

            float maxHealth = player.attributeSm[CharacterAttribute.MaximumHealth];
            float currentHealth = player.attributeSm[CharacterAttribute.Health];
            float healAmount = maxHealth * healPercentage;
            float newHealth = Mathf.Min(currentHealth + healAmount, maxHealth);
            float actualHeal = newHealth - currentHealth;

            player.attributeSm[CharacterAttribute.Health] = newHealth;

            isUsed = true;
            SetInteractable(false);

            Debug.Log($"[MedicalStation] 玩家恢复了 {actualHeal:F0} 点生命值（{healPercentage * 100f}% of {maxHealth:F0}），当前 HP: {newHealth:F0}/{maxHealth:F0}。");
        }
    }
}