using System;
using System.Collections.Generic;
using System.Threading.Tasks;

namespace Shared.Phone.UserCenter.Password
{
    /// <summary>
    /// 验证新邮箱的画面
    /// </summary>
    public class CheckNewEmailForm : EditorCommonForm
    {
        #region ■ 变量声明___________________________

        /// <summary>
        /// 错误信息控件
        /// </summary>
        private NormalViewControl btnErrorMsg = null;
        /// <summary>
        /// 新邮箱(防止恶意变更)
        /// </summary>
        private string newEmail = string.Empty;
        /// <summary>
        /// 标记是否能够校验验证码了
        /// </summary>
        private bool canCheckCode = false;
        /// <summary>
        /// 能否发送验证码
        /// </summary>
        private bool canSendCode = true;

        #endregion

        #region ■ 初始化_____________________________

        /// <summary>
        /// 画面显示(底层会固定调用此方法，借以完成画面创建)
        /// </summary>
        public void ShowForm()
        {
            //设置头部信息
            base.SetTitleText(Language.StringByID(R.MyInternationalizationString.uEditorEmail));

            //初始化中部信息
            this.InitMiddleFrame();
        }

        /// <summary>
        /// 初始化中部信息
        /// </summary>
        private void InitMiddleFrame()
        {
            //清空bodyFrame
            this.ClearBodyFrame();

            var frame = new FrameLayout();
            frame.Y = Application.GetRealHeight(161);
            frame.Gravity = Gravity.CenterHorizontal;
            frame.Width = Application.GetRealWidth(688);
            frame.Height = Application.GetRealHeight(127);
            bodyFrameLayout.AddChidren(frame);
            //输入框
            var txtValue = new TextInputControl(frame.Width - Application.GetRealWidth(20), frame.Height - HdlControlResourse.BottomLineHeight, false);
            txtValue.X = Application.GetRealWidth(10);
            txtValue.PlaceholderText = Language.StringByID(R.MyInternationalizationString.uPleaseInputNewEmailAddress);
            frame.AddChidren(txtValue);

            //线
            var btnLine = new NormalViewControl(frame.Width, HdlControlResourse.BottomLineHeight, false);
            btnLine.Y = txtValue.Bottom;
            btnLine.BackgroundColor = UserCenterColor.Current.ButtomLine;
            frame.AddChidren(btnLine);
            //联动线的状态
            txtValue.btnLine = btnLine;

            if (string.IsNullOrEmpty(HdlUserCenterResourse.UserInfo.UserEmail) == false)
            {
                //确认身份成功，请绑定新邮箱
                var btnMsg1 = new NormalViewControl(800, 49, false);
                btnMsg1.X = Application.GetRealWidth(196);
                btnMsg1.Y = frame.Bottom + Application.GetRealHeight(40);
                btnMsg1.TextSize = 12;
                btnMsg1.TextColor = UserCenterColor.Current.TextGrayColor1;
                btnMsg1.TextID = R.MyInternationalizationString.uAuthenticationSuccessAndBindNewEmail;
                bodyFrameLayout.AddChidren(btnMsg1);
            }

            //初始化验证码控件
            var btnCodeControl = new VerificationCodeControl(6);
            btnCodeControl.Y = Application.GetRealHeight(475);
            bodyFrameLayout.AddChidren(btnCodeControl);
            btnCodeControl.InitControl();
            btnCodeControl.TxtCodeChangeEvent += (sender, e) =>
            {
                if (btnErrorMsg.Visible == true)
                {
                    btnErrorMsg.Visible = false;
                }
            };
            btnCodeControl.FinishInputEvent += (value) =>
            {
                //绑定新邮箱
                this.SaveNewEmail(btnCodeControl, value);
            };

            //验证码错误，请重新输入
            this.btnErrorMsg = new NormalViewControl(bodyFrameLayout.Width, Application.GetRealHeight(58), false);
            btnErrorMsg.Y = Application.GetRealHeight(677);
            btnErrorMsg.TextAlignment = TextAlignment.Center;
            btnErrorMsg.TextColor = 0xfff75858;
            btnErrorMsg.TextID = R.MyInternationalizationString.uVerificationCodeErrorInputAgain;
            btnErrorMsg.IsBold = true;
            bodyFrameLayout.AddChidren(btnErrorMsg);
            btnErrorMsg.Visible = false;

            var btnOk = new BottomClickButton(688);
            btnOk.Y = Application.GetRealHeight(792);
            btnOk.TextID = R.MyInternationalizationString.uGetVerificationCode;
            bodyFrameLayout.AddChidren(btnOk);
            btnOk.oldBackgroundColor = UserCenterColor.Current.ClickButtonDefultColor;
            btnOk.CanClick = false;
            btnOk.ButtonClickEvent += (sender, e) =>
            {
                //清空输入的值
                btnCodeControl.ClearInputValue();

                this.btnErrorMsg.Visible = false;
                //检测邮箱的地址
                if (this.CheckEmail(txtValue.Text.Trim()) == false)
                {
                    return;
                }
                //发送验证码到邮箱
                this.SendCodeToEmail(btnOk, txtValue.Text.Trim());
            };

            txtValue.TextChangeEventHandler += (sender, value) =>
            {
                if (value == string.Empty)
                {
                    //按键不可用
                    btnOk.CanClick = false;
                }
                else if (btnOk.CanClick == false)
                {
                    //按键可用
                    btnOk.CanClick = true;
                }
            };
        }

        #endregion

        #region ■ 发送验证码到邮箱___________________

        /// <summary>
        /// 发送验证码到邮箱
        /// </summary>
        private void SendCodeToEmail(BottomClickButton btnNext, string Email)
        {
            var errorMsg = HdlAccountLogic.Current.SendVeriCodeToEmail(Email, VerCodeType.A绑定);
            if (errorMsg != null)
            {
                //显示错误
                this.btnErrorMsg.Visible = true;
                this.btnErrorMsg.Text = errorMsg;
                return;
            }
            //不能再发送验证码
            this.canSendCode = false;
            //可以开始校验验证码了
            this.canCheckCode = true;
            //记录起这个邮箱,防止恶意变更
            this.newEmail = Email;
            //控件不能再次按下
            btnNext.CanClick = false;
            //?s后重发
            string repeat = Language.StringByID(R.MyInternationalizationString.RepeatSend1);
            //有效时间60秒
            int waitime = 60;
            btnNext.Text = waitime + "s" + repeat;

            HdlThreadLogic.Current.RunThread(() =>
            {
                while (this.Parent != null && this.canSendCode == false)
                {
                    waitime--;
                    System.Threading.Thread.Sleep(1000);
                    if (waitime == 0)
                    {
                        break;
                    }
                    HdlThreadLogic.Current.RunMain(() =>
                    {
                        if (btnNext != null)
                        {
                            btnNext.Text = waitime + "s" + repeat;
                        }
                    }, ShowErrorMode.NO);
                }
                HdlThreadLogic.Current.RunMain(() =>
                {
                    if (btnNext != null)
                    {
                        //获取验证码
                        btnNext.TextID = R.MyInternationalizationString.uGetVerificationCode;
                        //按键可以按下
                        btnNext.CanClick = true;
                    }
                });
            });
        }

        #endregion

        #region ■ 变更邮箱___________________________

        /// <summary>
        /// 变更邮箱
        /// </summary>
        private void SaveNewEmail(VerificationCodeControl btnCodeControl, string code)
        {
            if (this.canCheckCode == false)
            {
                //验证码错误，请重新输入
                this.btnErrorMsg.Visible = true;
                this.btnErrorMsg.TextID = R.MyInternationalizationString.uVerificationCodeErrorInputAgain;
                //清空输入值
                btnCodeControl.ClearInputValue();
                return;
            }
            //执行绑定
            var errorMsg = HdlAccountLogic.Current.BindAccount(this.newEmail, code);
            if (errorMsg != null)
            {
                this.ShowMassage(ShowMsgType.Tip, errorMsg);
                //可以重新发送验证码
                this.canSendCode = true;
                return;
            }

            //成功绑定新邮箱
            string msg = Language.StringByID(R.MyInternationalizationString.uBindEmailSuccess);
            this.ShowMassage(ShowMsgType.Normal, msg, () =>
            {
                //刷新个人信息画面
                this.RefreshUserInfoForm();
            });
        }

        /// <summary>
        /// 刷新个人信息画面
        /// </summary>
        private void RefreshUserInfoForm()
        {
            //如果修改的是账号的话,则重新登录
            if (HdlUserCenterResourse.UserInfo.UserEmail == Shared.Common.Config.Instance.Account)
            {
                HdlAccountLogic.Current.ReLoginAgain(this.newEmail);
                return;
            }

            HdlUserCenterResourse.UserInfo.UserEmail = this.newEmail;
            this.CloseForm();
        }

        #endregion

        #region ■ 一般方法___________________________

        /// <summary>
        /// 检查邮箱
        /// </summary>
        /// <param name="Email"></param>
        /// <returns></returns>
        private bool CheckEmail(string Email)
        {
            //输入为空
            if (Email == string.Empty)
            {
                this.btnErrorMsg.Visible = true;
                this.btnErrorMsg.TextID = R.MyInternationalizationString.uPleaseInputNewEmailAddress;
                return false;
            }

            //检测邮箱格式
            if (HdlCheckLogic.Current.CheckEmail(Email) == false)
            {
                this.btnErrorMsg.Visible = true;
                this.btnErrorMsg.TextID = R.MyInternationalizationString.uThisIsNotEmailType;
                return false;
            }

            return true;
        }

        #endregion
    }
}