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.Threading;
using NewLife.Web;
using XCode;
using XCode.Cache;
using XCode.Configuration;
using XCode.DataAccessLayer;
using XCode.Membership;
using XCode.Shards;

namespace AntJob.Data.DataSync;

public partial class MetaSync : Entity<MetaSync>
{
    #region 对象操作
    static MetaSync()
    {
        // 累加字段，生成 Update xx Set Count=Count+1234 Where xxx
        //var df = Meta.Factory.AdditionalFields;
        //df.Add(nameof(TaskId));

        // 过滤器 UserModule、TimeModule、IPModule
        Meta.Modules.Add(new UserModule { AllowEmpty = false });
        Meta.Modules.Add<TimeModule>();
        Meta.Modules.Add(new IPModule { AllowEmpty = false });

        // 实体缓存
        // var ec = Meta.Cache;
        // ec.Expire = 60;

        // 单对象缓存
        var sc = Meta.SingleCache;
        // sc.Expire = 60;
        sc.FindSlaveKeyMethod = k => Find(_.Name == k);
        sc.GetSlaveKeyMethod = e => e.Name;
    }

    /// <summary>验证并修补数据，返回验证结果，或者通过抛出异常的方式提示验证失败。</summary>
    /// <param name="method">添删改方法</param>
    public override Boolean Valid(DataMethod method)
    {
        //if (method == DataMethod.Delete) return true;
        // 如果没有脏数据，则不需要进行任何处理
        if (!HasDirty) return true;

        // 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
        if (!base.Valid(method)) return false;

        if (Id == 0 && IsAllSync)
        {
            // 创建模型同步 任务
            if (IsAllSync) { }

            // 创建整库同步 任务
            if (IsAllCopy) { }

        }

        return true;
    }

    ///// <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MetaSync[数据同步]数据……");

    //    var entity = new MetaSync();
    //    entity.Name = "abc";
    //    entity.Enable = true;
    //    entity.IsAllSync = true;
    //    entity.TaskId = 0;
    //    entity.ErrorNum = 0;
    //    entity.DBModel = "abc";
    //    entity.LastTime = DateTime.Now;
    //    entity.SourceId = 0;
    //    entity.TargetId = 0;
    //    entity.CreateUserID = 0;
    //    entity.CreateUser = "abc";
    //    entity.CreateTime = DateTime.Now;
    //    entity.CreateIP = "abc";
    //    entity.UpdateUserID = 0;
    //    entity.UpdateUser = "abc";
    //    entity.UpdateTime = DateTime.Now;
    //    entity.UpdateIP = "abc";
    //    entity.Remark = "abc";
    //    entity.Insert();

    //    if (XTrace.Debug) XTrace.WriteLine("完成初始化MetaSync[数据同步]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 MetaSync 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 MetaSync FindByName(String name)
    {
        if (name.IsNullOrEmpty()) return null;

        // 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 MetaSync;

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

    #region 高级查询
    /// <summary>高级查询</summary>
    /// <param name="name">名称</param>
    /// <param name="enable">启用</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<MetaSync> Search(String name, Boolean? enable, DateTime start, DateTime end, String key, PageParameter page)
    {
        var exp = new WhereExpression();

        if (!name.IsNullOrEmpty()) exp &= _.Name == name;
        if (enable != null) exp &= _.Enable == enable;
        exp &= _.UpdateTime.Between(start, end);
        if (!key.IsNullOrEmpty()) exp &= _.Name.Contains(key) | _.DBModel.Contains(key) | _.CreateUser.Contains(key) | _.CreateIP.Contains(key) | _.UpdateUser.Contains(key) | _.UpdateIP.Contains(key) | _.Remark.Contains(key);

        return FindAll(exp, page);
    }

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

    ///// <summary>获取类别列表，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> GetCategoryList() => _CategoryCache.FindAllName();
    #endregion

    #region 业务操作
    #endregion
}