using Newtonsoft.Json;
using System.Collections.Generic;
using System.Net.Mail;
using UnityEngine;
using UnityEngine.SceneManagement;
using UnityEngine.UIElements;

/* 这个controller用来控制用户修改注册信息代码
 * 本文件大量代码从RegisterUIController.cs复制过来，任何修复需要同时考虑同步
 */
public class UserInfoController : MonoBehaviour
{
    private TextField userName, password, mobile, email;
    private Button confirm, cancel, logout, deleteAccount;
    private Label errorMsgLabel;
    private VisualElement feedback;
    private string errorText = null;      // 错误信息汇总
    private string deleteAlertMsg;
    private Dictionary<string, string> errorMessageDict = new();
    // Start is called once before the first execution of Update after the MonoBehaviour is created
    void OnEnable()
    {
        var root = GetComponent<UIDocument>().rootVisualElement;
        userName = root.Q<TextField>("name");
        password = root.Q<TextField>("password");
        mobile = root.Q<TextField>("mobile");
        email = root.Q<TextField>("email");
        confirm = root.Q<VisualElement>("confirmArea").Q<Button>("confirm");
        cancel = root.Q<VisualElement>("confirmArea").Q<Button>("cancel");
        errorMsgLabel = root.Q<Label>("error_msg");
        logout = root.Q<Button>("logout");
        deleteAccount = root.Q<Button>("delete_account");
        feedback = root.Q<VisualElement>("feedback");

        logout.clicked += LogoutClick;
        confirm.clicked += ConfirmClick;
        cancel.clicked += CancelClick;

        errorMessageDict.Clear();
        InitSetting();
        UserInfoLoad();

        feedback.RegisterCallback<ClickEvent>(ev => FeedbackClick());
    }

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

    // 绑定confirm按键按下事件
    void ConfirmClick()
    {
        Debug.Log("User info update page confirm btn clicked.");
        if (ContentCheckBeforePost())
        {

            // POST数据到服务器
            string url = "/api/user/update/";
            Dictionary<string, string> formData = new();
            WWWForm form = new();
            form.AddField("UUID", EnviromentSetting.UUID);
            form.AddField("mobile_number", mobile.text);
            form.AddField("email", email.text);
            form.AddField("password", password.text);
            form.AddField("user_name", userName.text);
            form.AddField("user_id", UserProperty.userId);
            form.AddField("client_language", EnviromentSetting.languageCode);
            StartCoroutine(WebController.PostRequest(url, form, callback: ConfirmClickCallback));
        }
    }

    void ConfirmClickCallback(string json)
    {
        // TODO 等返回信息确认后，验证逻辑
        var data = JsonConvert.DeserializeObject<Dictionary<string, object>>(json);
        if (data != null && data["status"].ToString() == "success")
        {
            var user_info = JsonConvert.DeserializeObject<Dictionary<string, string>>(data["user_info"].ToString());

            UserProperty.name = user_info["user_name"];
            UserProperty.coin = int.Parse(user_info["coin"]);
            UserProperty.mobile = user_info["mobile"];
            UserProperty.email = user_info["email"];
            UserProperty.level = user_info["level"];
            if (UserProperty.level == "pro") { EnviromentSetting.maxDogQty = 3; }
            UserProperty.isRegUser = bool.Parse(user_info["isRegUser"]);
            Debug.Log("Updated user id: " + UserProperty.userId);

            string msg = GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "game_message", "update_user_info_success", EnviromentSetting.languageCode });
            MessageBoxController.ShowMessage(msg, CancelClick);
        }
        else if (data != null && data["status"].ToString() == "error")
        {
            // 更新用户信息失败

            errorText = string.Empty;       // 清空

            if (data["message"].ToString() == "duplicated mobile phone")
            {
                errorText += errorMessageDict["duplicated_mobile"];
                errorText += "<br>";
            }
            if (data["message"].ToString() == "duplicated email")
            {
                errorText += errorMessageDict["duplicated_email"];
                errorText += "<br>";
            }
            errorMsgLabel.text = errorText;
        }
        else
        {

        }
    }
    // 绑定取消按键，关闭用户信息更新菜单
    void CancelClick()
    {
        var uiPlaceholder = GameObject.Find("UI Placeholder");
        if (uiPlaceholder != null)
        {
            var thisUI = uiPlaceholder.transform.Find("User Info").gameObject;
            var vamUI = uiPlaceholder.transform.Find("VoiceAndMenu").gameObject;
            thisUI.SetActive(false);
            vamUI.SetActive(true);
        }
    }

    void FeedbackClick()
    {
        var uiPlaceholder = GameObject.Find("UI Placeholder");
        if (uiPlaceholder != null)
        {
            var FeedbackUI = uiPlaceholder.transform.Find("Feedback").gameObject;
            var UserInfoUI = uiPlaceholder.transform.Find("User Info").gameObject;
            FeedbackUI.SetActive(true);
            UserInfoUI.SetActive(false);
        }
    }


    // 初始化语言和显示设定
    void InitSetting()
    {
        // 设置 shopping UI界面里面label和按键的语言显示
        string textValue = GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "registerUI", "button", "confirm", EnviromentSetting.languageCode });
        confirm.text = textValue;
        textValue = GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "registerUI", "button", "cancel", EnviromentSetting.languageCode });
        cancel.text = textValue;
        textValue = GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "registerUI", "label", "name", EnviromentSetting.languageCode });
        userName.label = textValue;
        textValue = GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "registerUI", "label", "password", EnviromentSetting.languageCode });
        password.label = textValue;
        textValue = GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "registerUI", "label", "mobile", EnviromentSetting.languageCode });
        mobile.label = textValue;
        textValue = GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "registerUI", "label", "email", EnviromentSetting.languageCode });
        email.label = textValue;
        textValue = GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "registerUI", "error_msg", "duplicated_mobile", EnviromentSetting.languageCode });
        errorMessageDict.Add("duplicated_mobile", textValue);
        textValue = GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "registerUI", "error_msg", "user_name_is_empty", EnviromentSetting.languageCode });
        errorMessageDict.Add("user_name_is_empty", textValue);
        textValue = GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "registerUI", "error_msg", "password_too_short", EnviromentSetting.languageCode });
        errorMessageDict.Add("password_too_short", textValue);
        textValue = GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "registerUI", "error_msg", "mobile_is_empty", EnviromentSetting.languageCode });
        errorMessageDict.Add("mobile_is_empty", textValue);
        textValue = GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "registerUI", "error_msg", "email_is_empty", EnviromentSetting.languageCode });
        errorMessageDict.Add("email_is_empty", textValue);
        textValue = GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "registerUI", "error_msg", "email_format_wrong", EnviromentSetting.languageCode });
        errorMessageDict.Add("email_format_wrong", textValue);
        textValue = GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "registerUI", "error_msg", "duplicated_email", EnviromentSetting.languageCode });
        errorMessageDict.Add("duplicated_email", textValue);
        textValue = GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "registerUI", "button", "logout", EnviromentSetting.languageCode });
        logout.text = textValue;
        textValue = GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "registerUI", "button", "delete_account", EnviromentSetting.languageCode });
        deleteAccount.text = textValue;
        textValue = GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "registerUI", "button", "logout", EnviromentSetting.languageCode });
        logout.text = textValue;
        textValue = GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "registerUI", "alert_message", "delete_account", EnviromentSetting.languageCode });
        deleteAlertMsg = textValue;

    }

    // 清空TextField 内容
    void UserInfoLoad()
    {
        userName.value = UserProperty.name;
        //password.value = string.Empty;
        mobile.value = UserProperty.mobile;
        email.value = UserProperty.email;
        errorMsgLabel.text = string.Empty;
    }

    void LogoutClick()
    {
        PlayerPrefs.DeleteAll();
        SceneManager.LoadScene("Login");
    }

    #region 格式检测
    // POST之前的输入内容检测
    private bool ContentCheckBeforePost()
    {
        errorText = string.Empty;       // 清空
        if (string.IsNullOrWhiteSpace(userName.value))
        {
            errorText += errorMessageDict["user_name_is_empty"];
            errorText += "<br>";
        }
        if (password.value.Length < 8)
        {
            errorText += errorMessageDict["password_too_short"];
            errorText += "<br>";
        }
        if (EnviromentSetting.languageCode == "zh-cn")      // 中文检测内容
        {
            if (string.IsNullOrWhiteSpace(mobile.value))
            {
                errorText += errorMessageDict["mobile_is_empty"];
                errorText += "<br>";
            }
        }
        else        // 非中文检测内容
        {
            if (string.IsNullOrWhiteSpace(email.value))
            {
                errorText += errorMessageDict["email_is_empty"];
                errorText += "<br>";
            }
            else if (!IsValidEmail(email.value))
            {
                errorText += errorMessageDict["email_format_wrong"];
                errorText += "<br>";
            }
        }


        if (string.IsNullOrWhiteSpace(errorText))
        {
            return true;
        }
        else
        {
            errorMsgLabel.text = errorText;
            return false;
        }
    }

    // email 格式检测
    private bool IsValidEmail(string email)
    {
        try
        {
            var addr = new MailAddress(email);
            return addr.Address == email;
        }
        catch
        {
            return false;
        }
    }
    #endregion
}