using System;
using UnityEngine;

namespace AibisDream.FixSystem
{
    public class PipelineSystem : MonoBehaviour
    {
        #region 组件

        [SerializeField] private Transform pipeline;
        [SerializeField] private Transform checkScreen;
        [SerializeField] private Transform[] wayPoints;
        [SerializeField] private PipelineProduct productPrefab;
        
        public event Action<PipelineProduct> OnSelected;

        #endregion

        #region 运行时数据

        private PipelineProduct _selectedProduct;

        #endregion

        private void Awake()
        {
            productPrefab.Init(wayPoints, new CheckData(), this);
        }

        public void Selected(PipelineProduct product)
        {
            if (_selectedProduct != null && _selectedProduct != product)
            {
                _selectedProduct.Deselect();
            }

            if (_selectedProduct != product)
            {
                _selectedProduct = product;
                OnSelected?.Invoke(product);
            }
        }

        public void OnProductEnd(PipelineProduct product, bool isSuccess)
        {
            // TODO 
            if (isSuccess)
            {
                // TODO 成功
            }
            else
            {
                // TODO 失败
            }
        }
        
        private void OnDrawGizmos()
        {
            DrawPipeline();
        }

        private void DrawPipeline()
        {
            if (wayPoints == null || wayPoints.Length < 2)
                return;

            for (int i = 0; i < wayPoints.Length - 1; i++)
            {
                Gizmos.color = Color.red;
                Gizmos.DrawLine(wayPoints[i].position, wayPoints[i + 1].position);
            }
        }
    }
}