using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Runtime.Serialization;
using System.Text;
using System.Threading.Tasks;
using System.Web;
using System.Web.Script.Serialization;
using System.Xml.Serialization;
using NewLife;
using NewLife.Data;
using NewLife.Log;
using NewLife.Model;
using NewLife.Reflection;
using NewLife.Remoting;
using NewLife.Threading;
using NewLife.Web;
using XCode;
using XCode.Cache;
using XCode.Configuration;
using XCode.DataAccessLayer;
using XCode.Membership;
using XCode.Shards;

namespace Company.MyName
{
    /// <summary>用户。用户帐号信息</summary>
    public partial class User : Entity<User>
    {
        #region 对象操作
        static User()
        {
            // 累加字段，生成 Update xx Set Count=Count+1234 Where xxx
            //var df = Meta.Factory.AdditionalFields;
            //df.Add(nameof(Sex));

            // 过滤器 UserModule、TimeModule、IPModule
            Meta.Modules.Add<UserModule>();
            Meta.Modules.Add<TimeModule>();
            Meta.Modules.Add<IPModule>();

            // 单对象缓存
            var sc = Meta.SingleCache;
            sc.FindSlaveKeyMethod = k => Find(_.Name == k);
            sc.GetSlaveKeyMethod = e => e.Name;
        }

        /// <summary>验证并修补数据，通过抛出异常的方式提示验证失败。</summary>
        /// <param name="isNew">是否插入</param>
        public override void Valid(Boolean isNew)
        {
            // 如果没有脏数据，则不需要进行任何处理
            if (!HasDirty) return;

            // 这里验证参数范围，建议抛出参数异常，指定参数名，前端用户界面可以捕获参数异常并聚焦到对应的参数输入框
            if (Name.IsNullOrEmpty()) throw new ArgumentNullException(nameof(Name), "名称不能为空！");

            // 建议先调用基类方法，基类方法会做一些统一处理
            base.Valid(isNew);

            // 在新插入数据或者修改了指定字段时进行修正
            // 处理当前已登录用户信息，可以由UserModule过滤器代劳
            /*var user = ManageProvider.User;
            if (user != null)
            {
                if (!Dirtys[nameof(UpdateUserID)]) UpdateUserID = user.ID;
            }*/
            //if (!Dirtys[nameof(UpdateTime)]) UpdateTime = DateTime.Now;
            //if (!Dirtys[nameof(UpdateIP)]) UpdateIP = ManageProvider.UserHost;

            // 检查唯一索引
            // CheckExist(isNew, nameof(Name));
        }

        ///// <summary>首次连接数据库时初始化数据，仅用于实体类重载，用户不应该调用该方法</summary>
        //[EditorBrowsable(EditorBrowsableState.Never)]
        //protected override void InitData()
        //{
        //    // InitData一般用于当数据表没有数据时添加一些默认数据，该实体类的任何第一次数据库操作都会触发该方法，默认异步调用
        //    if (Meta.Session.Count > 0) return;

        //    if (XTrace.Debug) XTrace.WriteLine("开始初始化User[用户]数据……");

        //    var entity = new User();
        //    entity.Name = "abc";
        //    entity.Password = "abc";
        //    entity.DisplayName = "abc";
        //    entity.Sex = 0;
        //    entity.Mail = "abc";
        //    entity.Mobile = "abc";
        //    entity.Code = "abc";
        //    entity.AreaId = 0;
        //    entity.Avatar = "abc";
        //    entity.RoleID = 0;
        //    entity.RoleIds = "abc";
        //    entity.DepartmentID = 0;
        //    entity.Online = true;
        //    entity.Enable = true;
        //    entity.Age = 0;
        //    entity.Birthday = DateTime.Now;
        //    entity.Logins = 0;
        //    entity.LastLogin = DateTime.Now;
        //    entity.LastLoginIP = "abc";
        //    entity.RegisterTime = DateTime.Now;
        //    entity.RegisterIP = "abc";
        //    entity.OnlineTime = 0;
        //    entity.Ex1 = 0;
        //    entity.Ex2 = 0;
        //    entity.Ex3 = 0.0;
        //    entity.Ex4 = "abc";
        //    entity.Ex5 = "abc";
        //    entity.Ex6 = "abc";
        //    entity.UpdateUser = "abc";
        //    entity.UpdateUserID = 0;
        //    entity.UpdateIP = "abc";
        //    entity.UpdateTime = DateTime.Now;
        //    entity.Remark = "abc";
        //    entity.Insert();

        //    if (XTrace.Debug) XTrace.WriteLine("完成初始化User[用户]数据！");
        //}

        ///// <summary>已重载。基类先调用Valid(true)验证数据，然后在事务保护内调用OnInsert</summary>
        ///// <returns></returns>
        //public override Int32 Insert()
        //{
        //    return base.Insert();
        //}

        ///// <summary>已重载。在事务保护范围内处理业务，位于Valid之后</summary>
        ///// <returns></returns>
        //protected override Int32 OnDelete()
        //{
        //    return base.OnDelete();
        //}
        #endregion

        #region 扩展属性
        #endregion

        #region 扩展查询
        /// <summary>根据编号查找</summary>
        /// <param name="id">编号</param>
        /// <returns>实体对象</returns>
        public static User FindByID(Int32 id)
        {
            if (id <= 0) return null;

            // 实体缓存
            if (Meta.Session.Count < 1000) return Meta.Cache.Find(e => e.ID == id);

            // 单对象缓存
            return Meta.SingleCache[id];

            //return Find(_.ID == id);
        }

        /// <summary>根据名称查找</summary>
        /// <param name="name">名称</param>
        /// <returns>实体对象</returns>
        public static User FindByName(String name)
        {
            // 实体缓存
            if (Meta.Session.Count < 1000) return Meta.Cache.Find(e => e.Name.EqualIgnoreCase(name));

            // 单对象缓存
            //return Meta.SingleCache.GetItemWithSlaveKey(name) as User;

            return Find(_.Name == name);
        }

        /// <summary>根据邮件查找</summary>
        /// <param name="mail">邮件</param>
        /// <returns>实体列表</returns>
        public static IList<User> FindAllByMail(String mail)
        {
            // 实体缓存
            if (Meta.Session.Count < 1000) return Meta.Cache.FindAll(e => e.Mail.EqualIgnoreCase(mail));

            return FindAll(_.Mail == mail);
        }

        /// <summary>根据手机查找</summary>
        /// <param name="mobile">手机</param>
        /// <returns>实体列表</returns>
        public static IList<User> FindAllByMobile(String mobile)
        {
            // 实体缓存
            if (Meta.Session.Count < 1000) return Meta.Cache.FindAll(e => e.Mobile.EqualIgnoreCase(mobile));

            return FindAll(_.Mobile == mobile);
        }

        /// <summary>根据代码查找</summary>
        /// <param name="code">代码</param>
        /// <returns>实体列表</returns>
        public static IList<User> FindAllByCode(String code)
        {
            // 实体缓存
            if (Meta.Session.Count < 1000) return Meta.Cache.FindAll(e => e.Code.EqualIgnoreCase(code));

            return FindAll(_.Code == code);
        }

        /// <summary>根据角色查找</summary>
        /// <param name="roleId">角色</param>
        /// <returns>实体列表</returns>
        public static IList<User> FindAllByRoleID(Int32 roleId)
        {
            // 实体缓存
            if (Meta.Session.Count < 1000) return Meta.Cache.FindAll(e => e.RoleID == roleId);

            return FindAll(_.RoleID == roleId);
        }
        #endregion

        #region 高级查询
        /// <summary>高级查询</summary>
        /// <param name="name">名称。登录用户名</param>
        /// <param name="mail">邮件</param>
        /// <param name="mobile">手机</param>
        /// <param name="code">代码。身份证、员工编号等</param>
        /// <param name="roleId">角色。主要角色</param>
        /// <param name="start">更新时间开始</param>
        /// <param name="end">更新时间结束</param>
        /// <param name="key">关键字</param>
        /// <param name="page">分页参数信息。可携带统计和数据权限扩展查询等信息</param>
        /// <returns>实体列表</returns>
        public static IList<User> Search(String name, String mail, String mobile, String code, Int32 roleId, DateTime start, DateTime end, String key, PageParameter page)
        {
            var exp = new WhereExpression();

            if (!name.IsNullOrEmpty()) exp &= _.Name == name;
            if (!mail.IsNullOrEmpty()) exp &= _.Mail == mail;
            if (!mobile.IsNullOrEmpty()) exp &= _.Mobile == mobile;
            if (!code.IsNullOrEmpty()) exp &= _.Code == code;
            if (roleId >= 0) exp &= _.RoleID == roleId;
            exp &= _.UpdateTime.Between(start, end);
            if (!key.IsNullOrEmpty()) exp &= _.Name.Contains(key) | _.Password.Contains(key) | _.DisplayName.Contains(key) | _.Mail.Contains(key) | _.Mobile.Contains(key) | _.Code.Contains(key) | _.Avatar.Contains(key) | _.RoleIds.Contains(key) | _.LastLoginIP.Contains(key) | _.RegisterIP.Contains(key) | _.Ex4.Contains(key) | _.Ex5.Contains(key) | _.Ex6.Contains(key) | _.UpdateUser.Contains(key) | _.UpdateIP.Contains(key) | _.Remark.Contains(key);

            return FindAll(exp, page);
        }

        // Select Count(ID) as ID,Mail From User Where CreateTime>'2020-01-24 00:00:00' Group By Mail Order By ID Desc limit 20
        static readonly FieldCache<User> _MailCache = new FieldCache<User>(nameof(Mail))
        {
            //Where = _.CreateTime > DateTime.Today.AddDays(-30) & Expression.Empty
        };

        /// <summary>获取邮件列表，字段缓存10分钟，分组统计数据最多的前20种，用于魔方前台下拉选择</summary>
        /// <returns></returns>
        public static IDictionary<String, String> GetMailList() => _MailCache.FindAllName();

        // Select Count(ID) as ID,Mobile From User Where CreateTime>'2020-01-24 00:00:00' Group By Mobile Order By ID Desc limit 20
        static readonly FieldCache<User> _MobileCache = new FieldCache<User>(nameof(Mobile))
        {
            //Where = _.CreateTime > DateTime.Today.AddDays(-30) & Expression.Empty
        };

        /// <summary>获取手机列表，字段缓存10分钟，分组统计数据最多的前20种，用于魔方前台下拉选择</summary>
        /// <returns></returns>
        public static IDictionary<String, String> GetMobileList() => _MobileCache.FindAllName();

        // Select Count(ID) as ID,Code From User Where CreateTime>'2020-01-24 00:00:00' Group By Code Order By ID Desc limit 20
        static readonly FieldCache<User> _CodeCache = new FieldCache<User>(nameof(Code))
        {
            //Where = _.CreateTime > DateTime.Today.AddDays(-30) & Expression.Empty
        };

        /// <summary>获取代码列表，字段缓存10分钟，分组统计数据最多的前20种，用于魔方前台下拉选择</summary>
        /// <returns></returns>
        public static IDictionary<String, String> GetCodeList() => _CodeCache.FindAllName();
        #endregion

        #region 业务操作
        #endregion
    }
}