using System;
using Continentis.MainGame.Character;
using Cysharp.Threading.Tasks;
using SLSUtilities.General;
using SLSUtilities.UModAssistance;
using UnityEngine;

namespace Continentis.MainGame.Commands
{
    public class Cmd_PlaySFX : CommandBase
    {
        private readonly AudioClip sfxClip;
        private readonly CharacterBase target;
        private readonly Vector3 fixedPosition;
        private readonly Vector3 positionOffset;
        private readonly float volume;
        private readonly float overrideDuration;
        private readonly bool willWaitUntilFinish;

        /// <summary>在目标角色位置播放音效。</summary>
        public Cmd_PlaySFX(string sfxClipID, CharacterBase target, Vector3 positionOffset = default,
            bool willWaitUntilFinish = false, float volume = 1f, float overrideDuration = -1f)
        {
            this.sfxClip = ModManager.GetAsset<AudioClip>(sfxClipID);
            this.target = target;
            this.positionOffset = positionOffset;
            this.fixedPosition = Vector3.zero;
            this.volume = volume;
            this.overrideDuration = overrideDuration;
            this.willWaitUntilFinish = willWaitUntilFinish;
        }

        /// <summary>在世界坐标固定位置播放音效。</summary>
        public Cmd_PlaySFX(string sfxClipID, Vector3 position = default,
            bool willWaitUntilFinish = false, float volume = 1f, float overrideDuration = -1f)
        {
            this.sfxClip = ModManager.GetAsset<AudioClip>(sfxClipID);
            this.target = null;
            this.fixedPosition = position;
            this.positionOffset = Vector3.zero;
            this.volume = volume;
            this.overrideDuration = overrideDuration;
            this.willWaitUntilFinish = willWaitUntilFinish;
        }

        protected override async UniTask ExecuteAsync(CommandContext outerContext)
        {
            if (sfxClip == null)
            {
                Debug.LogWarning("[Cmd_PlaySFX] SFX Clip 为空。");
                return;
            }

            Vector3 playPosition = target != null
                ? target.characterView.centerPoint.transform.position + positionOffset
                : fixedPosition;

            AudioManager.PlaySFX(sfxClip, playPosition, volume);

            if (willWaitUntilFinish)
            {
                float duration = overrideDuration > 0f ? overrideDuration : sfxClip.length;
                await UniTask.Delay(TimeSpan.FromSeconds(duration));
            }
        }
    }
}