using CloudBuilder.Core.Authorization;
using CloudBuilder.Core.DatabaseAccessor.Entity;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
namespace CloudBuilder.Master.Entity
 {
    [TypeScript]
    [Table("family_person_log")]
    public class FamilyPersonLogEntity : ViewEntityBase
    {

    public FamilyPersonLogEntity() 
    {
    }

    [Column("created_datetime")]
    public DateTime CreatedDatetime  { get; set; }
    [Column("created_by")]
    public string CreatedBy  { get; set; }
    [Column("updated_datetime")]
    public DateTime UpdatedDatetime  { get; set; }
    [Column("updated_by")]
    public string UpdatedBy  { get; set; }
    [Key]
    [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
    [Column("log_id")]
    public long LogId  { get; set; }
    [Column("person_id")]
    public string PersonId  { get; set; }
    [Column("audit_code")]
    public string AuditCode  { get; set; }
    [Column("event_actor")]
    public string EventActor  { get; set; }
    [Column("old_value")]
    public string? OldValue  { get; set; }
    [Column("new_value")]
    public string? NewValue  { get; set; }

    public const string CREATED_DATETIME = "CreatedDatetime";
    public const string CREATED_BY = "CreatedBy";
    public const string UPDATED_DATETIME = "UpdatedDatetime";
    public const string UPDATED_BY = "UpdatedBy";
    public const string LOG_ID = "LogId";
    public const string PERSON_ID = "PersonId";
    public const string AUDIT_CODE = "AuditCode";
    public const string EVENT_ACTOR = "EventActor";
    public const string OLD_VALUE = "OldValue";
    public const string NEW_VALUE = "NewValue";

    public const string DB_NAME_FAMILY_PERSON_LOG = "family_person_log";
    public const string DB_NAME_FIELDS="created_datetime,created_by,updated_datetime,updated_by,log_id,person_id,audit_code,event_actor,old_value,new_value";

    public const string DB_CREATED_DATETIME = "created_datetime";
    public const string DB_CREATED_BY = "created_by";
    public const string DB_UPDATED_DATETIME = "updated_datetime";
    public const string DB_UPDATED_BY = "updated_by";
    public const string DB_LOG_ID = "log_id";
    public const string DB_PERSON_ID = "person_id";
    public const string DB_AUDIT_CODE = "audit_code";
    public const string DB_EVENT_ACTOR = "event_actor";
    public const string DB_OLD_VALUE = "old_value";
    public const string DB_NEW_VALUE = "new_value";

    private string ProviderName { get; set; }

    public static FamilyPersonLogEntity GetInstance(string providerName)
    {
        return new FamilyPersonLogEntity() { ProviderName = providerName };
    }

    public virtual void CopyFrom(FamilyPersonLogEntity source)
    {
        CopyFrom(source, true);
    }

    public virtual void CopyFrom(FamilyPersonLogEntity source, bool includeSystemFields)
    {
        if (source == null)
        {
            throw new NullReferenceException("Source entity is null.");
        }

        this.CreatedDatetime =  source.CreatedDatetime;
        this.CreatedBy =  source.CreatedBy;
        this.UpdatedDatetime =  source.UpdatedDatetime;
        this.UpdatedBy =  source.UpdatedBy;
        this.LogId =  source.LogId;
        this.PersonId =  source.PersonId;
        this.AuditCode =  source.AuditCode;
        this.EventActor =  source.EventActor;
        this.OldValue =  source.OldValue;
        this.NewValue =  source.NewValue;

        if (includeSystemFields)
        {
        this.CreatedDatetime =  source.CreatedDatetime;
        this.CreatedBy =  source.CreatedBy;
        this.UpdatedDatetime =  source.UpdatedDatetime;
        this.UpdatedBy =  source.UpdatedBy;
        }
    }

    public override string GetSelectFrom()
    {
        if (ProviderName.Contains("MySql"))
        {
            return GetSelectFromByMySql();
        }
        else if (ProviderName.Contains("SqlServer"))
        {
            return GetSelectFromByBySqlServer();
        }
        else
        {
            throw new NotSupportedException($"不支持的数据库提供程序:{ProviderName}");
        }
    }
    public  string GetSelectFromByMySql()
    {
        return $" select {DB_NAME_FIELDS} from { DB_NAME_FAMILY_PERSON_LOG}  with(nolock) ";
    }
    public  string GetSelectFromByBySqlServer()
    {
        return $" select {DB_NAME_FIELDS} from { DB_NAME_FAMILY_PERSON_LOG}   ";
    }

    public override string GetSelectCountFrom(string sqlWhere)
    {
        if (ProviderName.Contains("MySql"))
        {
            return GetSelectCountFromByMySql(sqlWhere);
        }
        else if (ProviderName.Contains("SqlServer"))
        {
            return GetSelectCountFromBySqlServer(sqlWhere);
        }
        else
        {
            throw new NotSupportedException($"不支持的数据库提供程序:{ProviderName}");
        }
    }

    public  string GetSelectCountFromByMySql(string sqlWhere)
    {
        return $" select count(*) from { DB_NAME_FAMILY_PERSON_LOG}   where 1=1 {sqlWhere}";
    }
    public  string GetSelectCountFromBySqlServer(string sqlWhere)
    {
        return $" select count(*) from { DB_NAME_FAMILY_PERSON_LOG}  with(nolock) where 1=1 {sqlWhere}";
    }

	public override string GetSelectTopFrom(int limit, int start, string orderby, string orderbytag, string sqlWhere)
    {
        if (ProviderName.Contains("MySql"))
        {
            return GetSelectTopFromByMySql(limit, start, orderby, orderbytag, sqlWhere);
        }
        else if (ProviderName.Contains("SqlServer"))
        {
            return GetSelectTopFromBySqlServer(limit, start, orderby, orderbytag, sqlWhere);
        }
        else
        {
            throw new NotSupportedException($"不支持的数据库提供程序:{ProviderName}");
        }
    }

    public  string GetSelectTopFromByMySql(int limit, int start,string orderby,string orderbytag,  string sqlWhere)
    {
            if (string.IsNullOrEmpty(orderbytag)  || orderbytag.Trim() != "desc") orderbytag = "asc";
            if (string.IsNullOrEmpty(orderby) || !DB_NAME_FIELDS.Contains(orderby)) orderby =  DB_LOG_ID ;  		
		int offset = limit * (start - 1);
        return $" select {DB_NAME_FIELDS} from (select {DB_NAME_FIELDS}  ,row_number() over(order by {orderby} {orderbytag}) as num from { DB_NAME_FAMILY_PERSON_LOG}   where 1=1 {sqlWhere} ) a where num> {offset} LIMIT {limit} ";
    }

    public  string GetSelectTopFromBySqlServer(int limit, int start,string orderby,string orderbytag,  string sqlWhere)
    {
            if (string.IsNullOrEmpty(orderbytag)  || orderbytag.Trim() != "desc") orderbytag = "asc";
            if (string.IsNullOrEmpty(orderby) || !DB_NAME_FIELDS.Contains(orderby)) orderby =  DB_LOG_ID ;  		
		string top = limit > 0 ? $"top {limit}" : "";
        return $" select {top} {DB_NAME_FIELDS} from (select {DB_NAME_FIELDS}  ,row_number() over(order by {orderby} {orderbytag}) as num from { DB_NAME_FAMILY_PERSON_LOG}  with(nolock) where 1=1 {sqlWhere} ) a where num> {limit * (start - 1)}";
    }

    public FamilyPersonLogEntity Clone()
    {
        FamilyPersonLogEntity result = new FamilyPersonLogEntity();
        result.CopyFrom(this);

        return result;
    }

    }
}