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

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

        /// <summary>
        /// 验证码输入控件
        /// </summary>
        private Dictionary<int, TextInputControl> dicCodeControls = new Dictionary<int, TextInputControl>();
        /// <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;

        #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 - ControlCommonResourse.BottomLineHeight, false);
            txtValue.X = Application.GetRealWidth(10);
            txtValue.PlaceholderText = Language.StringByID(R.MyInternationalizationString.uPleaseInputNewEmailAddress);
            txtValue.PlaceholderTextColor = UserCenterColor.Current.TextGrayColor2;
            frame.AddChidren(txtValue);

            //线
            var btnLine = new NormalViewControl(frame.Width, ControlCommonResourse.BottomLineHeight, false);
            btnLine.Y = txtValue.Bottom;
            btnLine.BackgroundColor = UserCenterColor.Current.ButtomLine;
            frame.AddChidren(btnLine);

            if (string.IsNullOrEmpty(UserCenterResourse.UserInfo.Email) == 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
            this.InitCodeControl();

            //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;
            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.CanClick = false;
            btnOk.ButtonClickEvent += (sender, e) =>
            {
                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 async void SendCodeToEmail(BottomClickButton btnNext, string Email)
        {
            var sendCodePra = new SendCodePra();
            sendCodePra.Account = Email;

            bool falge = await UserCenterLogic.GetResultStatuByRequestHttps("ZigbeeUsers/LoginSendVerCode", false, sendCodePra);
            if (falge == false)
            {
                //验证码发送失败
                this.ShowMassage(ShowMsgType.Tip, Language.StringByID(R.MyInternationalizationString.RegisterSendVerCode_SendFail));
                return;
            }

            //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300秒
            int waitime = 300;
            btnNext.Text = waitime + "s" + repeat;

            new System.Threading.Thread(() =>
            {
                while (this.Parent != null)
                {
                    waitime--;
                    System.Threading.Thread.Sleep(1000);
                    if (waitime == 0)
                    {
                        this.canCheckCode = false;
                        Application.RunOnMainThread(() =>
                        {
                            if (btnNext != null)
                            {
                                //获取验证码
                                btnNext.TextID = R.MyInternationalizationString.uGetVerificationCode;
                                //按键可以按下
                                btnNext.CanClick = true;
                            }
                        });
                        break;
                    }
                    Application.RunOnMainThread(() =>
                    {
                        if (btnNext != null)
                        {
                            btnNext.Text = waitime + "s" + repeat;
                        }
                    });
                }
            })
            { IsBackground = true }.Start();
        }

        #endregion

        #region ■ 验证码控件_________________________

        /// <summary>
        /// 初始化验证码控件
        /// </summary>
        private void InitCodeControl()
        {
            var frame = new FrameLayout();
            frame.Y = Application.GetRealHeight(475);
            frame.Gravity = Gravity.CenterHorizontal;
            frame.Height = Application.GetRealHeight(104);
            frame.Width = Application.GetRealWidth(6 * 115 + 5 * 43);
            bodyFrameLayout.AddChidren(frame);

            for (int i = 0; i < 6; i++)
            {
                var frameCode = new FrameLayout();
                frameCode.X = i * Application.GetRealWidth(115 + 43);
                frameCode.Width = Application.GetRealWidth(115);
                frameCode.Height = Application.GetRealHeight(104);
                frameCode.Radius = (uint)Application.GetMinRealAverage(6);
                frameCode.BorderWidth = 1;
                frameCode.BorderColor = UserCenterColor.Current.TextFrameColor;
                frame.AddChidren(frameCode);

                var txtCode = new TextInputControl(frameCode.Width, frameCode.Height, false);
                txtCode.Name = "txtName" + i;
                txtCode.TextAlignment = TextAlignment.Center;
                frameCode.AddChidren(txtCode);

                dicCodeControls[i] = txtCode;

                //光标事件
                txtCode.FoucsChanged += this.TxtCode_FoucsChangedEvent;
                //值改变事件
                txtCode.TextChangeEventHandler += this.TxtCode_TextChangeEvent;
            }
        }

        #endregion

        #region ■ 验证码事件_________________________

        /// <summary>
        /// 验证码焦点变更事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void TxtCode_FoucsChangedEvent(object sender, FocusEventArgs e)
        {
            var txtCode = (TextInputControl)sender;
            if (txtCode.Parent == null)
            {
                return;
            }
            if (e.Focus == true)
            {
                txtCode.Parent.BorderColor = UserCenterColor.Current.TextFrameSelectColor;
            }
            else
            {
                txtCode.Parent.BorderColor = UserCenterColor.Current.TextFrameColor;
            }
        }

        /// <summary>
        /// 验证码值改变事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="textValue"></param>
        private void TxtCode_TextChangeEvent(object sender, string textValue)
        {
            if (btnErrorMsg.Visible == true)
            {
                btnErrorMsg.Visible = false;
            }

            if (textValue == string.Empty)
            {
                return;
            }
            //这个是自己复制粘贴过来的
            if (textValue.Length == 6)
            {
                dicCodeControls[5].Foucs = true;
                for (int i = 0; i < 6; i++)
                {
                    //先移除事件
                    dicCodeControls[i].TextChangeEventHandler -= TxtCode_TextChangeEvent;
                    //赋值
                    dicCodeControls[i].Text = textValue[i].ToString();
                    dicCodeControls[i].TextChangeEventHandler += TxtCode_TextChangeEvent;
                }
                //校验验证码
                this.CheckVerificationCode(textValue);
            }
            else
            {
                //光标移动
                var txtCode = (TextInputControl)sender;
                //只能一个值
                if (textValue.Length > 1)
                {
                    //先移除事件
                    txtCode.TextChangeEventHandler -= TxtCode_TextChangeEvent;
                    txtCode.Text = txtCode.Text.Substring(0, 1);
                    txtCode.TextChangeEventHandler += TxtCode_TextChangeEvent;
                }

                int index = Convert.ToInt32(txtCode.Name.Replace("txtName", string.Empty));
                if (dicCodeControls.ContainsKey(index + 1) == true)
                {
                    dicCodeControls[index + 1].Foucs = true;
                }
                else
                {
                    //最后一位输入完成,校验验证码
                    string code = string.Empty;
                    for (int i = 0; i < 6; i++)
                    {
                        code += dicCodeControls[i].Text;
                    }
                    this.CheckVerificationCode(code);
                }
            }
        }

        #endregion

        #region ■ 校验验证码_________________________

        /// <summary>
        /// 验证验证码
        /// </summary>
        /// <returns></returns>
        private async void CheckVerificationCode(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;
                return;
            }
            var checkCodePra = new CheckCodePra();
            checkCodePra.Code = code;
            checkCodePra.Account = newEmail;

            bool flage = await UserCenterLogic.GetResultStatuByRequestHttps("ZigbeeUsers/ValidatorCode", false, checkCodePra);
            if (flage == false)
            {
                //验证码错误，请重新输入
                this.btnErrorMsg.Visible = true;
                this.btnErrorMsg.TextID = R.MyInternationalizationString.uVerificationCodeErrorInputAgain;
                return;
            }

            //变更邮箱
            this.SaveNewEmail();
        }

        /// <summary>
        /// 变更邮箱
        /// </summary>
        private async void SaveNewEmail()
        {
            var pra = new SaveNewEmailPra();
            pra.Account = this.newEmail;

            bool flage = await UserCenterLogic.GetResultStatuByRequestHttps("ZigbeeUsers/BindAccount", false, pra);
            if (flage == false)
            {
                //绑定邮箱失败
                this.ShowMassage(ShowMsgType.Tip, Language.StringByID(R.MyInternationalizationString.uBindEmailFail));
                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 (UserCenterResourse.UserInfo.Email == Shared.Common.Config.Instance.Account)
            {
                UserCenterLogic.ReLoginAgain(this.newEmail);
                return;
            }

            UserCenterResourse.UserInfo.Email = 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 (UserCenterLogic.CheckEmail(Email) == false)
            {
                this.btnErrorMsg.Visible = true;
                this.btnErrorMsg.TextID = R.MyInternationalizationString.uThisIsNotEmailType;
                return false;
            }

            return true;
        }

        #endregion

        #region ■ 结构体_____________________________

        /// <summary>
        /// 发送验证码的启动参数
        /// </summary>
        private class SendCodePra
        {
            /// <summary>
            /// 用户账号
            /// </summary>
            public string Account = string.Empty;
            /// <summary>
            /// 公司编号,国内使用手机短信验证码时，此字段填入0，国外手机短信验证码，此字段填入4 
            /// </summary>
            public int Company = 0;
            /// <summary>
            /// 语言
            /// </summary>
            public string Language = Shared.Language.CurrentLanguage;
            /// <summary>
            /// 国家地区代码，手机号发送验证码时使用
            /// </summary>
            public int AreaCode = 0;
        }

        /// <summary>
        /// 发送验证码的启动参数
        /// </summary>
        private class CheckCodePra
        {
            /// <summary>
            /// 用户账号
            /// </summary>
            public string Account = string.Empty;
            /// <summary>
            /// 验证码
            /// </summary>
            public string Code = "0";
            /// <summary>
            /// 语言
            /// </summary>
            public string Language = Shared.Language.CurrentLanguage;
            /// <summary>
            /// 国家地区代码，手机号发送验证码时使用
            /// </summary>
            public int AreaCode = 0;
        }

        /// <summary>
        /// 保存新邮箱的启动参数
        /// </summary>
        private class SaveNewEmailPra
        {
            /// <summary>
            /// 新用户账号
            /// </summary>
            public string Account = string.Empty;
        }

        #endregion
    }
}