using System.Collections;
using System.Collections.Generic;
using LitJson;
using UnityEngine;
using UnityEngine.Networking;
using UnityEngine.UI;

public class CreateLevMain : MonoBehaviour
{
    public Transform gamePos;
    // 存放萌宠的预制体
    public GameObject[] petPrefabs;

    // 存放萌宠的按钮
    public Button[] petBtns;

    // 当前选择的萌宠预制体
    private GameObject nowChoosePet;

    // 当前点击生成的萌宠实例
    private GameObject createPetGameObj;

    //上传关卡按钮
    public Button btnUpload;

    // 第一个输入框，只输入数字
    public InputField inputNum;  
    public Text txtLev;

    public TipPanel tipPanel;

    // 设定输入框输入的最大值
    private int maxValue = 99999;

    //宠物信息
    private PetInfo pet;
    private LevData levData;
    private float x;
    private float y;

    private string levDataUploadUrl= "http://192.168.2.24:8080/uploadLevData"; // 服务器的URL

    // Start is called before the first frame update
    void Start()
    {
        tipPanel.gameObject.SetActive(false);
        // 绑定每个按钮的点击事件
        for (int i = 0; i < petBtns.Length; i++)
        {
            int index = i; // 缓存索引
            petBtns[i].GetComponent<Button>().onClick.AddListener(() => OnPetButtonClicked(index));
        }

        btnUpload.onClick.AddListener(() =>
        {
            if (txtLev.text!="")
            {
                OnButtonClick();
            }
        });

        // 监听第一个输入框的内容变化
        inputNum.onValueChanged.AddListener(OnNumberInputChanged);
    }

    // Update is called once per frame
    void Update()
    {
        // 确保选中了萌宠预制体
        if (nowChoosePet != null)
        {
            // 检测鼠标左键是否点击
            if (Input.GetMouseButtonDown(0))
            {
                // 将屏幕坐标转换为世界坐标
                Vector3 mousePosition = Input.mousePosition;
                mousePosition.z = Camera.main.nearClipPlane; // 设置深度为相机的近裁剪面
                Vector3 worldPosition = Camera.main.ScreenToWorldPoint(mousePosition);

                // 生成萌宠
                if (createPetGameObj == null)
                {
                    createPetGameObj = Instantiate(nowChoosePet, worldPosition, Quaternion.identity);
                    createPetGameObj.name = nowChoosePet.name;
                    createPetGameObj.AddComponent<PetDelet>();
                    createPetGameObj.transform.SetParent(gamePos, false);
                    nowChoosePet = null;
                }
                else
                {
                    createPetGameObj = Instantiate(nowChoosePet, worldPosition, Quaternion.identity);
                    createPetGameObj.name = nowChoosePet.name;
                    createPetGameObj.AddComponent<PetDelet>();
                    createPetGameObj.transform.SetParent(gamePos,false);
                    nowChoosePet = null;
                }
            }
        }
    }

    // 当萌宠按钮被点击时
    void OnPetButtonClicked(int index)
    {
        // 选择对应的萌宠预制体
        nowChoosePet = petPrefabs[index];
        Debug.Log("Selected Pet: " + nowChoosePet.name);
    }

    // 当第一个InputField内容改变时调用
    void OnNumberInputChanged(string str)
    {
        if (int.TryParse(str, out int number))
        {
            // 如果输入的数字大于最大值，强制设置为最大值
            if (number > maxValue)
            {
                number= maxValue;
                inputNum.text = maxValue.ToString();
            }
            // 转换为中文大写数字
            string chineseNumber = ConvertToChineseNumber(number);

            // 更新第二个输入框的内容
            txtLev.text = $"第{chineseNumber}关";
        }
        else
        {
            txtLev.text = "请输入有效的数字"; // 防止空输入或无效输入
        }
    }

    // 将数字转换为中文大写
    string ConvertToChineseNumber(int number)
    {
        string[] chineseDigits = { "零", "一", "二", "三", "四", "五", "六", "七", "八", "九" };
        string[] chineseUnits = { "", "十", "百", "千", "万" ,"十万"};

        string result = "";
        int unitIndex = 0;

        if (number == 0) return chineseDigits[0]; // 如果是0，直接返回“零”

        while (number > 0)
        {
            int digit = number % 10;  // 取最后一位数字
            if (digit > 0 || unitIndex == 0) // 避免中文大写中的“零百”，“零十”
            {
                result = chineseDigits[digit] + chineseUnits[unitIndex] + result;
            }
            else if (digit == 0 && result.Length > 0 && result[0] != '零') // 处理零
            {
                result = "零" + result;
            }
            number /= 10;  // 去掉最后一位数字
            unitIndex++;
        }

        // 特殊处理十的情况，比如"十二"而不是"一十二"
        if (result.StartsWith("一十"))
        {
            result = result.Substring(1);
        }

        // 移除结果末尾的多余“零”
        if (result.EndsWith("零"))
        {
            result = result.TrimEnd('零');
        }

        return result;
    }


    // 当按钮点击时调用此函数
    public void OnButtonClick()
    {
        // 获取所有标签为 "PetObject" 的游戏对象
        GameObject[] petObjects = GameObject.FindGameObjectsWithTag("PetObject");
        levData = new LevData();
        levData.petInfoList = new List<PetInfo>();
        levData.id = int.Parse(inputNum.text);
        levData.name = txtLev.text;
        // 遍历所有找到的宠物对象
        foreach (GameObject petObject in petObjects)
        {
            // 获取对象的x和y位置
            x = petObject.transform.position.x;
            y = petObject.transform.position.y;

            // 获取对象的资源地址（这里假设资源名是其预制体名）
            string petName = GetResourcePath(petObject);

            // 创建PetData对象并添加到列表中
            pet = new PetInfo();
            pet.post_x = x;
            pet.post_y = y;
            pet.res = petName;
            
            levData.petInfoList.Add(pet);
        }

        // 将数据发送到服务器
        StartCoroutine(SendDataToServer(levData));
    }

    // 发送数据到服务器
    private IEnumerator SendDataToServer(LevData levData)
    {
        // 将宠物对象数据序列化为JSON
        string jsonData = LitJson.JsonMapper.ToJson(levData);
        // 创建POST请求
        using (UnityWebRequest req = new UnityWebRequest(levDataUploadUrl, "POST"))
        {
            byte[] bodyRaw = new System.Text.UTF8Encoding().GetBytes(jsonData);
            req.uploadHandler = new UploadHandlerRaw(bodyRaw);
            req.downloadHandler = new DownloadHandlerBuffer();
            req.SetRequestHeader("Content-Type", "application/json");

            // 发送请求并等待响应
            yield return req.SendWebRequest();

            // 检查响应结果
            if (req.result == UnityWebRequest.Result.Success)
            {
                string str = req.downloadHandler.text;
                IsSuccessMsg msg = JsonMapper.ToObject<IsSuccessMsg>(str);
                tipPanel.gameObject.SetActive(true);
                //更新面板
                tipPanel.UpdatePanel(msg);
            }
            else
            {
                Debug.LogError("发送数据失败: " + req.error);
            }
        }
    }

    // 获取对象的资源地址
    private string GetResourcePath(GameObject petObject)
    {
        // 你可以根据项目实际情况自定义如何获取资源地址
        // 这里使用对象的名字作为资源地址
        return "GameObject/"+petObject.name; // 预制体的名字
    }
}