using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class SorghumFieldController : MonoBehaviour
{
    public MeshRenderer fieldArea;
    //public GameObject SorghumPrefab;
    public bool randomRotate = false;
    public float rowDistance = 1;
    public float strainDistance = 1;
    public float diseasedRate = 0;

    public void InitSorghum(float RowDistance, float StrainDistance, float DiseasedRate,  bool RandomRotate = false)
    {

        GameObject SorghumPrefab = Resources.Load<GameObject>("Prefabs/高粱预制体");
        if (SorghumPrefab == null || fieldArea == null)
        {
            Debug.LogError("预制体或农田区域未分配！");
            return;
        }

        // 获取农田的包围盒信息
        BoxCollider fieldCollider = fieldArea.GetComponent<BoxCollider>();
        if (fieldCollider == null)
        {
            Debug.LogError("农田区域缺少BoxCollider组件");
            return;
        }
        Bounds bounds = fieldCollider.bounds;

        // 计算农田边界
        float minX = bounds.min.x;
        float maxX = bounds.max.x;
        float minZ = bounds.min.z;
        float maxZ = bounds.max.z;

        // 获取农田表面高度（假设为平面）
        float groundY = fieldArea.transform.position.y;

        // 按行生成农作物
        for (float x = minX; x <= maxX; x += RowDistance)
        {
            // 按植株间距生成单行作物
            for (float z = minZ; z <= maxZ; z += StrainDistance)
            {
                // 生成位置（自动对齐地面高度）
                Vector3 spawnPos = new Vector3(x, groundY, z);

                // 实例化并挂载到农田下
                GameObject obj = Instantiate(
                    SorghumPrefab,
                    spawnPos,
                    Quaternion.identity,
                    fieldArea.transform
                );
            }
        }

        SorghumController[] sorghumControllers = FindObjectsOfType<SorghumController>();
        int DisCount = (int)(sorghumControllers.Length * DiseasedRate);
        for (int i = 0; i < DisCount; i++)
        {
            int iter = (int)(sorghumControllers.Length * UnityEngine.Random.value);
            if (iter >= sorghumControllers.Length) iter = sorghumControllers.Length - 1;
            if (iter < 0) iter = 0;
            sorghumControllers[iter].Init(SorghumState.Diseased, RandomRotate);
            sorghumControllers[iter] = sorghumControllers[sorghumControllers.Length - 1];
            SorghumController[] newArry = new SorghumController[sorghumControllers.Length - 1];
            Array.Copy(sorghumControllers, newArry, sorghumControllers.Length - 1);
        }

        foreach (var item in sorghumControllers)
        {
            item.Init(SorghumState.Healthy, RandomRotate);
        }
    }


    //// Start is called before the first frame update
    void Start()
    {
        InitSorghum(rowDistance, strainDistance, diseasedRate, randomRotate);
    }

    //// Update is called once per frame
    //void Update()
    //{

    //}
}