using System;
using System.Text.RegularExpressions;

namespace Shared.SimpleControl.Phone
{
    public class ForgotPassword : Dialog
    {

        PageLayout bodyPageView;

        /// <summary>
        /// 构造函数
        /// </summary>
        public ForgotPassword ()
        {
            BackgroundColor = SkinStyle.Current.MainColor;
            ForgotPasswordShow ();
        }

        void ForgotPasswordShow ()
        {
            #region 标题
            var topView = new FrameLayout () {
                Y = Application.GetRealHeight (36),
                Height = Application.GetRealHeight (90),
            };
            AddChidren (topView);

            var title = new Button () {
                TextAlignment = TextAlignment.Center,
                Text = "Forgot password?",
                TextSize = 19,
                TextColor = SkinStyle.Current.TextColor1
            };
            topView.AddChidren (title);

            //var logo = new Button () {
            //    Width = Application.GetRealWidth (154),
            //    Height = Application.GetRealHeight (90),
            //    X = Application.GetRealWidth (486),
            //    UnSelectedImagePath = MainPage.LogoString,
            //    Gravity = Gravity.CenterVertical,
            //};
            //topView.AddChidren (logo);
            var back = new Button () {
                Height = Application.GetRealHeight (90),
                Width = Application.GetRealWidth (85),
                UnSelectedImagePath = "Item/Back.png",
                //SelectedImagePath = "Item/BackSelected.png",
                Gravity = Gravity.CenterVertical,
            };
            topView.AddChidren (back);
            back.MouseUpEventHandler += (sender, e) => {
                new AccountLogin ().Show ();
                Close ();
            };
            #endregion

            bodyPageView = new PageLayout () {
                Width = LayoutParams.MatchParent,
                Height = Application.GetRealHeight (Application.DesignHeight - 126),
                Y = topView.Bottom,
                BackgroundColor = SkinStyle.Current.ViewColor,
            };

            AddChidren (bodyPageView);

            bodyPageView.PageChange += (sender, e) => {
                //2020-09-04 修复安卓右滑闪退问题
                if (e < bodyPageView.ChildrenCount - 1) {
                    bodyPageView.GetChildren (bodyPageView.ChildrenCount - 1).RemoveFromParent ();
                }
            };


            FrameLayout bodyView = new FrameLayout ();
            bodyPageView.AddChidren (bodyView);
            bodyPageView.IsShowPoint = false;

            EmailForgotView (bodyView);
        }

        /// <summary>
        /// 邮箱忘记密码页面
        /// </summary>
        /// <param name="registrationView"></param>
        void EmailForgotView (FrameLayout registrationView)
        {
            registrationView.RemoveAll ();
            Button btnEmail = new Button () {
                Width = Application.GetRealWidth (500),
                Height = Application.GetRealWidth (85),
                Gravity = Gravity.CenterHorizontal,
                Y = Application.GetRealWidth (20),
                TextID = R.MyInternationalizationString.EmailAddress,
                TextAlignment = TextAlignment.CenterLeft,
                TextSize = 12,
                TextColor = SkinStyle.Current.TextColor1,
            };
            registrationView.AddChidren (btnEmail);

            FrameLayout EmailView = new FrameLayout () {
                Width = Application.GetRealWidth (500),
                Height = Application.GetRealWidth (85),
                Gravity = Gravity.CenterHorizontal,
                Y = btnEmail.Bottom,
                BorderWidth = 1,
                Radius = 5,
                BorderColor = SkinStyle.Current.BorderColor,
                //Text = "1270166900@qq.com"
            };
            registrationView.AddChidren (EmailView);

            EditText etEmailAddress = new EditText () {
                TextAlignment = TextAlignment.Center,
                TextColor = SkinStyle.Current.TextColor1,
                PlaceholderText = Language.StringByID (R.MyInternationalizationString.EmailAddress),
                PlaceholderTextColor = SkinStyle.Current.PlaceholderTextColor,
            };
            EmailView.AddChidren (etEmailAddress);

            Button btnNext = new Button () {
                Y = EmailView.Bottom + Application.GetRealWidth (20),
                Width = Application.GetRealWidth (500),
                Height = Application.GetRealWidth (85),
                Gravity = Gravity.CenterHorizontal,
                BackgroundColor = SkinStyle.Current.MainColor,
                SelectedBackgroundColor = SkinStyle.Current.SelectedColor,
                TextID = R.MyInternationalizationString.Send,
                TextColor = SkinStyle.Current.TextColor1,
                Radius = 5,
                BorderColor = SkinStyle.Current.Transparent,
                BorderWidth = 0,
                TextSize = 18,
                TextAlignment = TextAlignment.Center,
                //IsSelected = true
            };
            registrationView.AddChidren (btnNext);

            btnNext.MouseDownEventHandler += (sender, e) => {
                btnNext.IsSelected = true;
            };

            btnNext.MouseUpEventHandler += (sender, e) => {
                btnNext.IsSelected = false;
                string account = etEmailAddress.Text.Trim ();
                if (!CommonUtlis.Current.CheckEmail (account)) {
                    new Alert (Language.StringByID (R.MyInternationalizationString.Tip), Language.StringByID (R.MyInternationalizationString.PleaseCheckEmailAddressCorrectly),
                                                       Language.StringByID (R.MyInternationalizationString.Close)).Show ();
                    return;
                }
                //
                SendVerificationCode (account, false);
            };

        }

        /// <summary>
        /// 手机或者邮箱发送验证码并加载对应的 忘记密码页面
        /// </summary>
        /// <param name="account">账号 邮箱或者手机号</param>
        /// <param name="isPhone">是否是手机</param>
        void SendVerificationCode (string account, bool isPhone = true)
        {
            MainPage.Loading.Start (Language.StringByID (R.MyInternationalizationString.load));
            System.Threading.Tasks.Task.Run (() => {
                try {
                    var requestRevertObj = HttpServerRequest.Current.VerificationCodeSend (VerifyType.FIND_PASSWORD, account);
                    if (requestRevertObj.Code.ToUpper () == StateCode.SUCCESS) {
                        Application.RunOnMainThread (() => {
                            InitSMSView (account, false);
                            bodyPageView.PageIndex = bodyPageView.ChildrenCount - 1;
                        });
                    } else {
                        //提示错误
                        IMessageCommon.Current.ShowErrorInfoAlter (requestRevertObj.Code);
                    }

                } catch {
                    MainPage.FailureToServer ();
                } finally {
                    Application.RunOnMainThread (() => {
                        MainPage.Loading.Hide ();
                    });
                }
            });
        }

        /// <summary>
        /// 验证验证码并提交注册
        /// </summary>
        /// <param name="mAccount"></param>
        /// <param name="bPhone"></param>
        void InitSMSView (string mAccount, bool bPhone = true)
        {
            FrameLayout mobileChencView = new FrameLayout ();
            bodyPageView.AddChidren (mobileChencView);

            Button btnAccount = new Button () {
                Gravity = Gravity.CenterHorizontal,
                Y = Application.GetRealHeight (20),
                Width = Application.GetRealWidth (500),
                Height = Application.GetRealWidth (50),
                Text = mAccount,
                TextColor = SkinStyle.Current.TextColor1,
                TextAlignment = TextAlignment.Center,
            };
            mobileChencView.AddChidren (btnAccount);

            Button btnPassword = new Button () {
                Gravity = Gravity.CenterHorizontal,
                Y = btnAccount.Bottom,
                Width = Application.GetRealWidth (500),
                Height = Application.GetRealWidth (85),
                TextID = R.MyInternationalizationString.Password,
                TextColor = SkinStyle.Current.TextColor1,
                TextAlignment = TextAlignment.CenterLeft,
            };
            mobileChencView.AddChidren (btnPassword);

            EditText etPassword = new EditText () {
                Width = Application.GetRealWidth (500),
                Height = Application.GetRealWidth (85),
                Gravity = Gravity.CenterHorizontal,
                Y = btnPassword.Bottom,
                BorderWidth = 1,
                Radius = 5,
                BorderColor = SkinStyle.Current.BorderColor,
                SecureTextEntry = true,
                TextAlignment = TextAlignment.Center,
                TextColor = SkinStyle.Current.TextColor1
                //Text = "1270166900@qq.com"
            };
            mobileChencView.AddChidren (etPassword);


            Button btnConfrimPassword = new Button () {
                Gravity = Gravity.CenterHorizontal,
                Y = etPassword.Bottom,
                Width = Application.GetRealWidth (500),
                Height = Application.GetRealWidth (85),
                TextID = R.MyInternationalizationString.ConfirmPassword,
                TextColor = SkinStyle.Current.TextColor1,
                TextAlignment = TextAlignment.CenterLeft,
            };
            mobileChencView.AddChidren (btnConfrimPassword);

            EditText etConfrimPassword = new EditText () {
                Width = Application.GetRealWidth (500),
                Height = Application.GetRealWidth (85),
                Gravity = Gravity.CenterHorizontal,
                Y = btnConfrimPassword.Bottom,
                BorderWidth = 1,
                Radius = 5,
                BorderColor = SkinStyle.Current.BorderColor,
                SecureTextEntry = true,
                TextAlignment = TextAlignment.Center,
                TextColor = SkinStyle.Current.TextColor1
            };
            mobileChencView.AddChidren (etConfrimPassword);

            Button btnTitle = new Button () {
                Gravity = Gravity.CenterHorizontal,
                Y = etConfrimPassword.Bottom,
                Width = Application.GetRealWidth (500),
                Height = Application.GetRealWidth (85),
                TextID = R.MyInternationalizationString.MobileVerificationCode,
                TextColor = SkinStyle.Current.TextColor1,
                TextAlignment = TextAlignment.CenterLeft,
            };
            mobileChencView.AddChidren (btnTitle);

            EditText etCode = new EditText () {
                Width = Application.GetRealWidth (500),
                Height = Application.GetRealWidth (85),
                Gravity = Gravity.CenterHorizontal,
                Y = btnTitle.Bottom,
                BorderWidth = 1,
                Radius = 5,
                BorderColor = SkinStyle.Current.BorderColor,
                TextAlignment = TextAlignment.Center,
                TextColor = SkinStyle.Current.TextColor1
            };
            mobileChencView.AddChidren (etCode);

            Button btnConfirem = new Button () {
                Y = etCode.Bottom + Application.GetRealWidth (50),
                Width = Application.GetRealWidth (500),
                Height = Application.GetRealWidth (85),
                Gravity = Gravity.CenterHorizontal,
                BackgroundColor = SkinStyle.Current.MainColor,
                SelectedBackgroundColor = SkinStyle.Current.SelectedColor,
                TextID = R.MyInternationalizationString.Confrim,
                TextColor = SkinStyle.Current.TextColor1,
                Radius = 5,
                BorderColor = SkinStyle.Current.Transparent,
                BorderWidth = 0,
                TextSize = 18,
                TextAlignment = TextAlignment.Center,
            };
            mobileChencView.AddChidren (btnConfirem);

            etCode.TextChangeEventHandler += (sender, e) => {
                if (e.Length > 6) {
                    etCode.Text = e.Remove (6);
                } else if (e.Length == 6) {
                    //btnConfirem.IsSelected = btnConfirem.Enable = true;
                } else {
                    //btnConfirem.IsSelected = btnConfirem.Enable = false;
                }
            };

            btnConfirem.MouseDownEventHandler += (sender, e) => {
                btnConfirem.IsSelected = true;
            };

            btnConfirem.MouseUpEventHandler += (sender, e) => {
                btnConfirem.IsSelected = false;
                string passwordText = etPassword.Text.Trim ();
                string confrimPasswordText = etConfrimPassword.Text.Trim ();
                //检测密码
                if (passwordText == "" && confrimPasswordText == "") {
                    new Alert ("", Language.StringByID (R.MyInternationalizationString.PleaseWriteTheCompleteContent), Language.StringByID (R.MyInternationalizationString.Close)).Show ();
                    return;
                } else if (!CommonUtlis.Current.CheckPassword (passwordText)) {
                    new Alert ("", ErrorCode.PasswordStrengthNotMatch,
                               Language.StringByID (R.MyInternationalizationString.Close)).Show ();
                    return;
                } else if (passwordText != confrimPasswordText) {
                    new Alert ("", Language.StringByID (R.MyInternationalizationString.RepeatPasswordsDidNotmatch),
                               Language.StringByID (R.MyInternationalizationString.Close)).Show ();
                    return;
                }

                //检测验证码
                string verCode = etCode.Text.Trim ();
                if (string.IsNullOrEmpty (verCode)) {
                    Utlis.ShowTip (Language.StringByID (R.MyInternationalizationString.PlsEntryVerificationCode));
                    return;
                }

                MainPage.Loading.Start (Language.StringByID (R.MyInternationalizationString.load));
                System.Threading.Tasks.Task.Run (() => {
                    try {
                        var requestObj = HttpServerRequest.Current.ForgetPassword (mAccount, passwordText, verCode, bPhone);
                        if (requestObj.Code == StateCode.SUCCESS) {
                            Application.RunOnMainThread (() => {
                                new Alert (Language.StringByID (R.MyInternationalizationString.Tip), Language.StringByID (R.MyInternationalizationString.PasswordModificationSuccess), Language.StringByID (R.MyInternationalizationString.Close)).Show ();
                                Close ();
                                new AccountLogin (mAccount, passwordText).Show ();
                            });
                        } else {
                            //提示错误
                            IMessageCommon.Current.ShowErrorInfoAlter (requestObj.Code);
                        }
                    } catch {
                        MainPage.FailureToServer ();
                    } finally {
                        Application.RunOnMainThread (() => {
                            MainPage.Loading.Hide ();
                        });
                    }
                });

            };


        }
    }


}