// Assets/Scripts/World/Liquid/LiquidZone.cs
using BaseGames.Core.Events;
using MoreMountains.Feedbacks;
using UnityEngine;

namespace BaseGames.World.Liquid
{
    /// <summary>
    /// 挂在液态区域根 GameObject 上。
    /// 酸液/熔岩时需同时挂载 HazardZone（InstantKill 类型）。
    /// </summary>
    [RequireComponent(typeof(Collider2D))]
    public class LiquidZone : MonoBehaviour
    {
        [Header("液体类型")]
        [SerializeField] private LiquidType            _liquidType   = LiquidType.Water;

        [Header("区域标识（存档/跨系统识别）")]
        [SerializeField] private string                _zoneId;

        [Header("伤害（Acid/Lava 由子节点 HazardZone 处理；Water 类型溺死由 WaterDangerState 处理）")]

        [Header("物理配置")]
        [SerializeField] private LiquidPhysicsConfigSO _physicsConfig;

        [Header("Event Channels")]
        [SerializeField] private LiquidEventChannelSO  _onPlayerEntered;
        [SerializeField] private LiquidEventChannelSO  _onPlayerExited;

        [Header("Feedback")]
        [SerializeField] private MMFeedbacks       _splashEnterFeedback;
        [SerializeField] private MMFeedbacks       _splashExitFeedback;

        public LiquidType            Type    => _liquidType;
        public LiquidPhysicsConfigSO Physics => _physicsConfig;
        public string                ZoneId  => _zoneId;

        private void OnTriggerEnter2D(Collider2D other)
        {
            if (!other.CompareTag("Player")) return;
            _splashEnterFeedback?.PlayFeedbacks();
            _onPlayerEntered?.Raise(new LiquidEvent(_zoneId, _liquidType));
        }

        private void OnTriggerExit2D(Collider2D other)
        {
            if (!other.CompareTag("Player")) return;
            _splashExitFeedback?.PlayFeedbacks();
            _onPlayerExited?.Raise(new LiquidEvent(_zoneId, _liquidType));
        }
    }
}