using System;
using System.Collections.Generic;
using System.Runtime.Serialization;
using System.Web.Script.Serialization;
using System.Xml.Serialization;
using NewLife;
using NewLife.Data;
using NewLife.Log;
using XCode;
using XCode.Membership;

namespace Stardust.Data
{
    /// <summary>应用历史</summary>
    public partial class AppHistory : Entity<AppHistory>
    {
        #region 对象操作
        static AppHistory()
        {
            Meta.Factory.Table.DataTable.InsertOnly = true;
           
            // 过滤器 UserModule、TimeModule、IPModule
            Meta.Modules.Add<UserModule>();
            Meta.Modules.Add<TimeModule>();
            Meta.Modules.Add<IPModule>();
        }

        /// <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;

            var len = _.Remark.Length;
            if (len > 0 && !Remark.IsNullOrEmpty() && Remark.Length > len) Remark = Remark[..len];

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

            if (TraceId.IsNullOrEmpty()) TraceId = DefaultSpan.Current?.TraceId;
        }
        #endregion

        #region 扩展属性
        /// <summary>应用</summary>
        [XmlIgnore, ScriptIgnore, IgnoreDataMember]
        public App App => Extends.Get(nameof(App), k => App.FindById(AppId));

        /// <summary>应用</summary>
        [Map(__.AppId, typeof(App), "Id")]
        public String AppName => App?.Name;
        #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 AppHistory FindById(Int64 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>根据应用、客户端查找</summary>
    /// <param name="appId">应用</param>
    /// <param name="client">客户端</param>
    /// <returns>实体列表</returns>
    public static IList<AppHistory> FindAllByAppIdAndClient(Int32 appId, String client)
    {
        // 实体缓存
        if (Meta.Session.Count < 1000) return Meta.Cache.FindAll(e => e.AppId == appId && e.Client.EqualIgnoreCase(client));

        return FindAll(_.AppId == appId & _.Client == client);
    }

    /// <summary>根据应用、操作查找</summary>
    /// <param name="appId">应用</param>
    /// <param name="action">操作</param>
    /// <returns>实体列表</returns>
    public static IList<AppHistory> FindAllByAppIdAndAction(Int32 appId, String action)
    {
        // 实体缓存
        if (Meta.Session.Count < 1000) return Meta.Cache.FindAll(e => e.AppId == appId && e.Action.EqualIgnoreCase(action));

        return FindAll(_.AppId == appId & _.Action == action);
    }
        #endregion

        #region 高级查询
        /// <summary>查询</summary>
        /// <param name="appId"></param>
        /// <param name="client"></param>
        /// <param name="action"></param>
        /// <param name="start"></param>
        /// <param name="end"></param>
        /// <param name="key"></param>
        /// <param name="page"></param>
        /// <returns></returns>
        public static IList<AppHistory> Search(Int32 appId, String client, String action, DateTime start, DateTime end, String key, PageParameter page)
        {
            var exp = new WhereExpression();

            if (appId >= 0) exp &= _.AppId == appId;
            if (!client.IsNullOrEmpty()) exp &= _.Client == client;
            if (!action.IsNullOrEmpty()) exp &= _.Action == action;

            exp &= _.Id.Between(start, end, Meta.Factory.Snow);

            if (!key.IsNullOrEmpty()) exp &= _.Action == key | _.Client.StartsWith(key);

            return FindAll(exp, page);
        }
        #endregion

        #region 业务操作
        /// <summary>创建历史</summary>
        /// <param name="app"></param>
        /// <param name="action"></param>
        /// <param name="success"></param>
        /// <param name="remark"></param>
        /// <param name="version"></param>
        /// <param name="creator"></param>
        /// <param name="ip"></param>
        /// <returns></returns>
        public static AppHistory Create(App app, String action, Boolean success, String remark, String version, String creator, String ip)
        {
            app ??= new App();
            if (version.IsNullOrEmpty()) version = app.Version;

            var history = new AppHistory
            {
                AppId = app.Id,

                Action = action,
                Success = success,
                Version = version,
                Remark = remark,

                TraceId = DefaultSpan.Current?.TraceId,
                Creator = creator,
                CreateTime = DateTime.Now,
                CreateIP = ip,
            };

            //history.SaveAsync();

            return history;
        }

        /// <summary>删除指定日期之前的数据</summary>
        /// <param name="date"></param>
        /// <returns></returns>
        public static Int32 DeleteBefore(DateTime date) => Delete(_.Id < Meta.Factory.Snow.GetId(date));
        #endregion
    }
}