using Newtonsoft.Json;
using System.IO;
using System.Text;
using TMPro;
using UnityEngine;
using UnityEngine.UI;

public class RememberPwdData
{
    public string Account;
    public string Password;
    public bool IsRemember;
    public int RoleType;
}
public class LoginManager : MonoBehaviour
{
    public TMP_InputField UserNameInput;
    public TMP_InputField PwdInput;
    public Toggle JiaoYuanToggle;
    public Toggle XueYuanToggle;
    public Toggle GuanLiYuanToggle;
    public Button RegistorBtn;
    public Button LoginBtn;
    public Button LostPwdBtn;
    public Toggle RePwdToggle;
    public Toggle PwdShowToggle;
    private string SignInApi = "/api/Account/SignIn";
    private RememberPwdData rememberData;
    private string rememberfilepath;
    void Start()
    {
        rememberfilepath = Application.streamingAssetsPath + @"/RememberPwd.json";
        LoadFileHelper.Instance.LoadFileStringSync(rememberfilepath, (a) =>
        {
            rememberData = JsonConvert.DeserializeObject<RememberPwdData>(a);
            if (rememberData.IsRemember)
            {
                UserNameInput.text = rememberData.Account;
                PwdInput.text = RSAHelper.RSADecrypt(rememberData.Password);
                RePwdToggle.isOn = true;
                PwdShowToggle.interactable = false;
                if (rememberData.RoleType == (int)RoleType.学员)
                {
                    XueYuanToggle.isOn = true;
                }
                else if (rememberData.RoleType == (int)RoleType.教员)
                {
                    JiaoYuanToggle.isOn = true;
                }
                else
                {
                    GuanLiYuanToggle.isOn = true;
                }
            }
            else
            {
                //此处记住上一次登录的账号,如果不需要记住直接赋值空
                //UserNameInput.text = rememberData.Account;
                UserNameInput.text = "";
                PwdInput.text = "";
                RePwdToggle.isOn = false;
            }
        });
        LoginBtn.onClick.AddListener(LoginBtn_Click);
        LostPwdBtn.onClick.AddListener(LostPwdBtn_Click);
        RegistorBtn.onClick.AddListener(RegistorBtn_Click);
        RePwdToggle.onValueChanged.AddListener(RePwdBtn_ValueChanged);
        JiaoYuanToggle.onValueChanged.AddListener((a) => { JiaoYuanToggle_ValueChanged(); });
        XueYuanToggle.onValueChanged.AddListener((a) => { JiaoYuanToggle_ValueChanged(); });
        GuanLiYuanToggle.onValueChanged.AddListener((a) => { JiaoYuanToggle_ValueChanged(); });
    }

    private void JiaoYuanToggle_ValueChanged()
    {
        if (JiaoYuanToggle.isOn)
        {
            PanelsManager.Instance.NowRoleType = RoleType.教员;
            RegistorBtn.gameObject.SetActive(true);
        }
        else if (XueYuanToggle.isOn)
        {
            PanelsManager.Instance.NowRoleType = RoleType.学员;
            RegistorBtn.gameObject.SetActive(true);
        }
        else
        {
            PanelsManager.Instance.NowRoleType = RoleType.管理员;
            RegistorBtn.gameObject.SetActive(false);
        }
    }

    private void RePwdBtn_ValueChanged(bool IsOn)
    {
        if (IsOn)//记住密码
        {
            PwdShowToggle.isOn = false;
            PwdShowToggle.interactable = false;
        }
        else
        {
            PwdShowToggle.interactable = true;
        }
    }

    private void RegistorBtn_Click()
    {
        if (PanelsManager.Instance.NowRoleType == RoleType.教员 ||
           PanelsManager.Instance.NowRoleType == RoleType.学员
           )
        {
            PanelsManager.Instance.GotoRegistorWindow();
        }
        else
        {
            TipPanelManager.GetInstance.Show("管理员无法注册!");
        }
    }

    private void LostPwdBtn_Click()
    {
        //if (string.IsNullOrEmpty(UserNameInput.text))
        //{
        //    TipPanelManager.GetInstance.Show("请输入用户名!");
        //    return;
        //}
        PanelsManager.Instance.GotoLostPasswordWindow(UserNameInput.text);
    }

    private void LoginBtn_Click()
    {
        if (string.IsNullOrEmpty(UserNameInput.text))
        {
            TipPanelManager.GetInstance.Show("请输入用户名!");
            return;
        }

        if (string.IsNullOrEmpty(PwdInput.text))
        {
            TipPanelManager.GetInstance.Show("请输入密码!");
            return;
        }
        User user = new User() { username = UserNameInput.text.Trim(), password = PwdInput.text };
        HTTPRequestManager.Instance.PostJson<User, IdentityInfo>(
            SignInApi, user, SignInSuccessed, SignInError);
    }
    private void SignInSuccessed(IdentityInfo identityInfo)
    {
        if (identityInfo == null)
        {
            identityInfo = new IdentityInfo() { token = "", expires = 20, realName = "张三", roleType = RoleType.教员 };
        }
        HTTPRequestManager.Instance.identityInfo = identityInfo;
        HTTPRequestManager.Instance.userName = UserNameInput.text.Trim();
        HTTPRequestManager.Instance.StartTimer();

        //首次登录,跳转到重置密码页面
        if (identityInfo.changePasswordRequired && HTTPRequestManager.Instance.identityInfo.roleType != RoleType.管理员)
        {
            //LoginSceneManager.Instance.GotoChangePasswordWindow();
            PanelsManager.Instance.GotoChangePasswordWindow(HTTPRequestManager.Instance.userName);
            return;
        }

        //记住密码
        if (RePwdToggle.isOn)
        {
            rememberData.Account = UserNameInput.text.Trim();
            rememberData.IsRemember = true;
            rememberData.RoleType = (int)identityInfo.roleType;
            rememberData.Password = RSAHelper.RSAEncryption(PwdInput.text);
        }
        else
        {
            rememberData.Account = UserNameInput.text.Trim();
            rememberData.IsRemember = false;
            rememberData.RoleType = (int)identityInfo.roleType;
            rememberData.Password = "";
        }
        var json = JsonConvert.SerializeObject(rememberData);
        using (var filestream = new FileStream(rememberfilepath, FileMode.Truncate, FileAccess.ReadWrite, FileShare.ReadWrite))
        {
            var fileBytes = Encoding.UTF8.GetBytes(json);
            filestream.Write(fileBytes, 0, fileBytes.Length);
        }
        PanelsManager.Instance.GotoSystemSelectWindow(PwdInput.text);
    }
    private void LateUpdate()
    {
        if (Input.GetKeyDown(KeyCode.Tab))
        {
            if (UserNameInput.isFocused)
            {
                PwdInput.Select();
            }
            else if (PwdInput.isFocused)
            {
                UserNameInput.Select();
            }
            else
            {
                UserNameInput.Select();
            }
        }
        if (Input.GetKeyDown(KeyCode.Return))
        {
            if (!string.IsNullOrEmpty(UserNameInput.text.Trim()) && !string.IsNullOrEmpty(PwdInput.text.Trim()))
            {
                LoginBtn_Click();
            }
        }
    }
    private void SignInError(int errorCode, string errorMsg)
    {
        TipPanelManager.GetInstance.Show($"登录错误!\n{errorMsg}");
    }
    internal void OnShow(string userName)
    {
        UserNameInput.text = userName;
        PwdInput.text = "";
        RePwdToggle.isOn = false;
    }
    /// <summary>
    /// 英文字符转为中文字符
    /// </summary>
    /// <param name="text">转换的中文字符串</param>
    /// <returns></returns>
    public static string ConvertToEn(string text)
    {
        const string ch = "。；，？！、“”‘’（）—";//中文字符
        const string en = @".;,?!\""""''()-";//英文字符
        char[] c = text.ToCharArray();
        for (int i = 0; i < c.Length; i++)
        {
            int n = ch.IndexOf(c[i]);
            if (n != -1) c[i] = en[n];
        }
        return new string(c);
    }
}