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


/* 这个controller用来控制注册UI和相关通讯的代码
 * 本文件大量代码赋予UserInfoController.cs复用，任何修复需要同时考虑同步
 * 设置注册语言
 * 显示和关闭注册菜单
 * 跳转下一个场景
 * 上传用户注册信息
 */

public class RegisterUIController : MonoBehaviour
{
    
    private TextField userName, password, mobile, email;
    private Button confirm, cancel;
    private Label errorMsgLabel;
    private string errorText = null;      // 错误信息汇总
    private Dictionary<string, string> errorMessageDict = new();
    // Start is called once before the first execution of Update after the MonoBehaviour is created

    private Dictionary<string, string> regTempInfo = new();     // 临时保存登录信息
    void Start()
    {
        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");

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

        InitSetting();
        ClearTextFieldValue();
    }

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

    // 绑定confirm按键按下事件
    void ConfirmClick()
    {
        Debug.Log("Reginser UI confirm btn clicked.");
        if (ContentCheckBeforePost())
        {
            // 清空注册暂存数据
            regTempInfo.Clear();

            // POST数据到服务器
            string url = "/api/user/register/";
            Dictionary<string, string> formData = new();
            WWWForm form = new();
            form.AddField("UUID", EnviromentSetting.UUID);
            if (EnviromentSetting.languageCode == "zh-cn")
            {
                form.AddField("mobile_number", mobile.text);
                regTempInfo.Add("mobile_number", mobile.text);
            }
            else
            {
                form.AddField("email", email.text);
                regTempInfo.Add("email", email.text);
            }
            form.AddField("password", password.text);
            form.AddField("user_name", userName.text);
            regTempInfo.Add("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) {
        var data = JsonConvert.DeserializeObject<Dictionary<string, string>>(json);
        if (data != null && data["status"] == "success")
        {
            UserProperty.isRegUser = true;
            UserProperty.name = regTempInfo["user_name"];
            if (regTempInfo.TryGetValue("mobile_number", out string mobile))
            {
                UserProperty.mobile = mobile;
            }
            if ((regTempInfo.TryGetValue("email", out string email)))
            {
                UserProperty.email = email;
            }
            string msg = GameTool.GetValueAtPath(EnviromentSetting.languageData, new string[] { "game_message", "register_success", EnviromentSetting.languageCode });
            MessageBoxController.ShowMessage(msg, () => CancelClick());
        }
        else if (data != null && data["status"] == "error")
        {
            // 注册失败动作

            errorText = string.Empty;       // 清空

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

            errorMsgLabel.text = errorText;
        }
       
    }

    // 绑定取消按键
    void CancelClick()
    {
        //SceneManager.LoadScene("Home");
        MaskTransitions.TransitionManager.Instance.LoadLevel("Home");
    }

    


    // 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);

        if (EnviromentSetting.languageCode == "zh-cn")
        {
            // email.visible = false;
            email.style.display = DisplayStyle.None;
        }
        else
        {
            // mobile.visible = false;
            mobile.style.display = DisplayStyle.None;
        }
    }

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

    #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


}