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

    public PublishVideoDetailEntity() 
    {
    }

    [Column("author")]
    public string? Author  { get; set; }
    [Column("created_by")]
    public string CreatedBy  { get; set; }
    [Column("created_datetime")]
    public DateTime CreatedDatetime  { get; set; }
    [Key]
    [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
    [Column("detail_id")]
    public long DetailId  { get; set; }
    [Column("lrc")]
    public string? Lrc  { get; set; }
    [Column("notice")]
    public string? Notice  { get; set; }
    [Column("order_by")]
    public int OrderBy  { get; set; }
    [Column("owner_name")]
    public string OwnerName  { get; set; }
    [Column("pic")]
    public string? Pic  { get; set; }
    [Column("publish_name")]
    public string PublishName  { get; set; }
    [Column("title")]
    public string Title  { get; set; }
    [Column("updated_by")]
    public string UpdatedBy  { get; set; }
    [Column("updated_datetime")]
    public DateTime UpdatedDatetime  { get; set; }
    [Column("url")]
    public string Url  { get; set; }

    public const string AUTHOR = "Author";
    public const string CREATED_BY = "CreatedBy";
    public const string CREATED_DATETIME = "CreatedDatetime";
    public const string DETAIL_ID = "DetailId";
    public const string LRC = "Lrc";
    public const string NOTICE = "Notice";
    public const string ORDER_BY = "OrderBy";
    public const string OWNER_NAME = "OwnerName";
    public const string PIC = "Pic";
    public const string PUBLISH_NAME = "PublishName";
    public const string TITLE = "Title";
    public const string UPDATED_BY = "UpdatedBy";
    public const string UPDATED_DATETIME = "UpdatedDatetime";
    public const string URL = "Url";

    public const string DB_NAME_PUBLISH_VIDEO_DETAIL = "publish_video_detail";
    public const string DB_NAME_FIELDS="author,created_by,created_datetime,detail_id,lrc,notice,order_by,owner_name,pic,publish_name,title,updated_by,updated_datetime,url";

    public const string DB_AUTHOR = "author";
    public const string DB_CREATED_BY = "created_by";
    public const string DB_CREATED_DATETIME = "created_datetime";
    public const string DB_DETAIL_ID = "detail_id";
    public const string DB_LRC = "lrc";
    public const string DB_NOTICE = "notice";
    public const string DB_ORDER_BY = "order_by";
    public const string DB_OWNER_NAME = "owner_name";
    public const string DB_PIC = "pic";
    public const string DB_PUBLISH_NAME = "publish_name";
    public const string DB_TITLE = "title";
    public const string DB_UPDATED_BY = "updated_by";
    public const string DB_UPDATED_DATETIME = "updated_datetime";
    public const string DB_URL = "url";

    private string ProviderName { get; set; }

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

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

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

        this.Author =  source.Author;
        this.CreatedBy =  source.CreatedBy;
        this.CreatedDatetime =  source.CreatedDatetime;
        this.DetailId =  source.DetailId;
        this.Lrc =  source.Lrc;
        this.Notice =  source.Notice;
        this.OrderBy =  source.OrderBy;
        this.OwnerName =  source.OwnerName;
        this.Pic =  source.Pic;
        this.PublishName =  source.PublishName;
        this.Title =  source.Title;
        this.UpdatedBy =  source.UpdatedBy;
        this.UpdatedDatetime =  source.UpdatedDatetime;
        this.Url =  source.Url;

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

    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_PUBLISH_VIDEO_DETAIL}  with(nolock) ";
    }
    public  string GetSelectFromByBySqlServer()
    {
        return $" select {DB_NAME_FIELDS} from { DB_NAME_PUBLISH_VIDEO_DETAIL}   ";
    }

    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_PUBLISH_VIDEO_DETAIL}   where 1=1 {sqlWhere}";
    }
    public  string GetSelectCountFromBySqlServer(string sqlWhere)
    {
        return $" select count(*) from { DB_NAME_PUBLISH_VIDEO_DETAIL}  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_DETAIL_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_PUBLISH_VIDEO_DETAIL}   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_DETAIL_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_PUBLISH_VIDEO_DETAIL}  with(nolock) where 1=1 {sqlWhere} ) a where num> {limit * (start - 1)}";
    }

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

        return result;
    }

    }
}