using Cysharp.Threading.Tasks;
using DG.Tweening;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class Batterychangesystem : MonoBehaviour
{
    /// <summary>
    /// 需要换点的装置
    /// </summary>
    public GameObject Pointchanger;
    /// <summary>
    /// 电池预制体
    /// </summary>
    public GameObject batterys;
    /// <summary>
    /// 换电池装置位置1
    /// </summary>
    public Transform Point1;
    /// <summary>
    /// 换电池装置位置2
    /// </summary>
    public Transform Point2;
    /// <summary>
    /// 换电池装置位置3
    /// </summary>
    public Transform Point3;
    /// <summary>
    /// 换电池装置位置4
    /// </summary>
    public Transform Point4;
    /// <summary>
    /// 换电池装置位置5
    /// </summary>
    public Transform Point5;
    /// <summary>
    /// 换电池装置位置6
    /// </summary>
    public Transform Point6;
    /// <summary>
    /// 换电池装置位置7
    /// </summary>
    public Transform Point7;
    public Transform Point8;
    /// <summary>
    /// 换电池位移速度
    /// </summary>
    private float speed = 1f;
    /// <summary>
    /// 生成电池点位
    /// </summary>
    public Transform Batspoint;
    /// <summary>
    /// 所有电池的点位
    /// </summary>
    public List<Transform> BatspointList;
    void Start()
    {

    }


    void Update()
    {

    }
    /// <summary>
    /// 小车触发换电池系统
    /// </summary>
    /// <param name="other"></param>
    public async void OnTriggerEnter(Collider other)
    {
        //if (other.gameObject.CompareTag("Car"))
        //{
        //    await Movepos(Pointchanger, Point1, speed);
        //    await Movepos(Pointchanger, Point2, speed);
        //    GameObject bats = Instantiate(batterys, Batspoint);
        //    await Movepos(Pointchanger, Point1, speed);
        //    await Batteryslot(BatspointList, Pointchanger, bats);
          
        //}
    }
    /// <summary>
    /// 判断电池槽点位
    /// </summary>
    /// <returns></returns>
    public async UniTask Batteryslot(List<Transform> bast, GameObject machine, GameObject bettay)
    {
        if (bast.Count > 0)
        {
            for (int i = 0; i < bast.Count; i++)
            {
                if (bast[i].transform.childCount == 0)
                {
                    int index = i;
                    switch (index)
                    {
                        case 0:
                            await Movepos(machine, Point3, speed);
                            await Movepos(machine, Point6, speed);
                            bettay.transform.SetParent(bast[i].transform);
                            int point1 = GetRandomPointBetween();
                            if (point1 == 0)
                            {
                                await Movepos(machine, Point3, speed);
                                await Movepos(machine, Point4, speed);
                                await Movepos(machine, Point7, speed);
                                GameObject battery = bast[1].transform.GetChild(0).gameObject;
                                battery.transform.SetParent(machine.transform);
                                await Movepos(machine, Point4, speed);
                                await Movepos(machine, Point1, speed);
                                await Movepos(machine, Point2, speed);
                                Destroy(battery);
                                await Movepos(machine, Point1, speed);
                            }
                            else if (point1 == 1)
                            {
                                await Movepos(machine, Point3, speed);
                                await Movepos(machine, Point5, speed);
                                await Movepos(machine, Point8, speed);
                                GameObject battery = bast[2].transform.GetChild(0).gameObject;
                                battery.transform.SetParent(machine.transform);
                                await Movepos(machine, Point5, speed);
                                await Movepos(machine, Point1, speed);
                                await Movepos(machine, Point2, speed);
                                Destroy(battery);
                                await Movepos(machine, Point1, speed);
                            }
                            else
                            {
                                Debug.Log("没有点位");
                            }
                            break;
                        case 1:
                            await Movepos(machine, Point4, speed);
                            await Movepos(machine, Point7, speed);
                            bettay.transform.SetParent(bast[i].transform);
                            int point2 = GetRandomPointBetween();
                            if (point2==0)
                            {
                                await Movepos(machine, Point4, speed);
                                await Movepos(machine, Point3, speed);
                                await Movepos(machine, Point6, speed);
                                GameObject battery = bast[0].transform.GetChild(0).gameObject;
                                battery.transform.SetParent(machine.transform);
                                await Movepos(machine, Point3, speed);
                                await Movepos(machine, Point1, speed);
                                await Movepos(machine, Point2, speed);
                                Destroy(battery);
                                await Movepos(machine, Point1, speed);
                                
                            }
                            else if (point2 == 1)
                            {
                                await Movepos(machine, Point4, speed);
                                await Movepos(machine, Point5, speed);
                                await Movepos(machine, Point8, speed);
                                GameObject battery = bast[2].transform.GetChild(0).gameObject;
                                battery.transform.SetParent(machine.transform);
                                await Movepos(machine, Point5, speed);
                                await Movepos(machine, Point1, speed);
                                await Movepos(machine, Point2, speed);
                                Destroy(battery);
                                await Movepos(machine, Point1, speed);
                                
                            }
                            else
                            {
                                Debug.Log("没有点位");
                            }
                            break;
                        case 2:
                            await Movepos(machine, Point5, speed);
                            await Movepos(machine, Point8, speed);
                            bettay.transform.SetParent(bast[i].transform);
                            int point3 = GetRandomPointBetween();
                            if (point3 == 0)
                            {
                                await Movepos(machine, Point5, speed);
                                await Movepos(machine, Point3, speed);
                                await Movepos(machine, Point6, speed);
                                GameObject battery = bast[0].transform.GetChild(0).gameObject;
                                battery.transform.SetParent(machine.transform);
                                await Movepos(machine, Point3, speed);
                                await Movepos(machine, Point1, speed);
                                await Movepos(machine, Point2, speed);
                                Destroy(battery);
                                await Movepos(machine, Point1, speed);
                               
                            }
                            else if (point3 == 1)
                            {
                                await Movepos(machine, Point5, speed);
                                await Movepos(machine, Point4, speed);
                                await Movepos(machine, Point7, speed);
                                GameObject battery = bast[1].transform.GetChild(0).gameObject;
                                battery.transform.SetParent(machine.transform);
                                await Movepos(machine, Point4, speed);
                                await Movepos(machine, Point1, speed);
                                await Movepos(machine, Point2, speed);
                                Destroy(battery);
                                await Movepos(machine, Point1, speed);
                               
                            }
                            else
                            {
                                Debug.Log("没有点位");
                            }
                            break;
                        default:
                            break;
                    }
                    break;
                }
            }
        }
    }
    /// <summary>
    /// 位移方法
    /// </summary>
    /// <param name="battery"></param>
    /// <param name="corpuscle"></param>
    /// <param name="speed"></param>
    /// <returns></returns>
    public async UniTask Movepos(GameObject battery, Transform corpuscle, float speed)
    {
        float value = Vector3.Distance(battery.transform.position, corpuscle.transform.position) / speed;
        await battery.transform.DOMove(corpuscle.transform.position, value).SetEase(Ease.InOutQuad).AsyncWaitForCompletion();
    }
    /// <summary>
    /// 随机一个电池换装
    /// </summary>
    /// <param name="a"></param>
    /// <param name="b"></param>
    /// <returns></returns>
    int GetRandomPointBetween()
    {
        // 生成一个0到1之间的随机值
        int t = Random.Range(0, 2);
        // 使用Lerp在a和b之间插值
        return t;
    }
}