using System.Collections;
using System.Collections.Generic;
using UnityEngine;
//============================================================
//支持中文，文件使用UTF-8编码
//@author	#AUTHOR#
//@create	#CREATEDATE#
//@company	#COMPANY#
//
//@description:
//============================================================

public class UPosManger : MonoBehaviour
{
    public UPosItem[] uPosItems;
    public List<UPosItem> currentUPosIsOccupied = new List<UPosItem>();
    // Use this for initialization
    private void Start()
    {
        uPosItems = GetComponentsInChildren<UPosItem>();
    }

    /// <summary>
    /// 监视所有U位
    /// </summary>
    public void SwitchUItem()
    {
        for (int i = 0; i < uPosItems.Length; i++)
        {
            uPosItems[i].isOccupied = false;
        }
    }

    /// <summary>
    /// 计算是否符合放置条件
    /// </summary>
    public int CountUPos(int count, int currentUPosIndex)
    {
        int startIndex = currentUPosIndex - count;
        if (startIndex < 0) startIndex = 0;
        for (int i = currentUPosIndex - 1; i >= startIndex; i--)
        {
            if (uPosItems[i].isOccupied)
            {
                startIndex = i + 1;
                break;
                //currentUPosIsOccupied.Add(uPosItems[i]);
                //uPosItems[i].isOccupied = true;
            }
        }
       
        if (startIndex + count > uPosItems.Length) return -1;
        for (int i = startIndex; i < startIndex + count; i++)
        {
            if (uPosItems[i].isOccupied)
                return -1;
        }

        return startIndex;
        //return startIndex + count - 1;
    }


    public void SetCurrentUPosIsOccupied(int startIndex, int count, bool isEnabel)
    {
        //Debug.Log("startIndex-------------" + startIndex);
        //Debug.Log("count-------------" + count);
        for (int i = startIndex; i < startIndex+count; i++)
        {
            uPosItems[i].isOccupied = isEnabel;
            if (isEnabel)
            {
                uPosItems[i].SetInstructColor(Color.red);
            }
            else
            {
                uPosItems[i].SetInstructColor(Color.green);
            }
        }
    }
}