using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using Random = UnityEngine.Random;

// ReSharper disable once CheckNamespace
namespace BlueWaterProject
{
    public class PayController : MonoBehaviour
    {
        private Queue<TycoonNpc> npcQueue = new (100);
        private Transform payLinePoint;
        public List<GameObject> coinParticle = new(5);
        private float spaceBetweenNpcs; // NPC 간의 간격
        
        private void Awake()
        {
            payLinePoint = transform.Find("PayLinePoint");
            spaceBetweenNpcs = 0.75f; 
        }

        public void AddNpcToQueue(TycoonNpc npc)
        {
            npcQueue.Enqueue(npc);
        }
        
        public bool IsNpcNext(TycoonNpc npc)
        {
            return npcQueue.Peek() == npc;
        }

        public void RemoveNpcFromQueue(TycoonNpc npc)
        {
            if (npcQueue.Count > 0)
            {
                npcQueue.Dequeue();
            }
        }

        // public bool IsNpcNext(TycoonNpc npc)
        // {
        //     return npcQueue.Peek() == npc;
        // }

        public Vector3 GetNextPositionInLine(TycoonNpc npc)
        {
            var indexInLine = Array.IndexOf(npcQueue.ToArray(), npc);
            if (indexInLine == -1) return payLinePoint.position; // NPC가 줄에 없으면 기본 위치로

            var lineStartPoint = payLinePoint.position;
            var positionInLine = lineStartPoint - new Vector3(0, 0, spaceBetweenNpcs * indexInLine);
            return positionInLine;
        }

        // 유저 상호작용 처리
        public void Interact()
        {
            if (npcQueue.Count > 0)
            {
                var currentNpc = npcQueue.Dequeue();
                // 결제 처리
                ProcessPaymentForNpc(currentNpc);
                // NPC 상태 변경
                currentNpc.StateMachine.ChangeState(new WalkOutSate(currentNpc)); // 다음 상태로 변경
            }
        }
        
        private void ProcessPaymentForNpc(TycoonNpc npc)
        {
            var gold = Random.Range(100, 300);
            DataManager.Inst.Gold += gold;
            npc.PayText.text = "$ " + gold;
            npc.PayTextObj.SetActive(true);
            
            foreach (var coin in coinParticle)
            {
                if (!coin.activeInHierarchy)
                {
                    coin.SetActive(true);
                    StartCoroutine(DeactivateCoinParticle(coin));
                    break;
                }
            }
        }

        private IEnumerator DeactivateCoinParticle(GameObject coin)
        {
            yield return new WaitForSeconds(1f);
            coin.SetActive(false);
        }
    }
}