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_tree_view")]
    public class FamilyTreeViewEntity : ViewEntityBase
    {

        public FamilyTreeViewEntity()
        {
        }

        [Column("ancestor_person_id")]
        public string AncestorPersonId { get; set; }
        [Column("brief")]
        public string? Brief { get; set; }
        [Column("common_name")]
        public string? CommonName { get; set; }
        [Column("genealogy_name")]
        public string? GenealogyName { get; set; }
        [Column("public_indc")]
        public string PublicIndc { get; set; }
        [Column("tree_cover_filename")]
        public string? TreeCoverFilename { get; set; }
        [Column("surname")]
        public string Surname { get; set; }
        [Column("tree_id")]
        public string TreeId { get; set; }
        [Column("tree_name")]
        public string TreeName { get; set; }

        public const string ANCESTOR_PERSON_ID = "AncestorPersonId";
        public const string BRIEF = "Brief";
        public const string COMMON_NAME = "CommonName";
        public const string GENEALOGY_NAME = "GenealogyName";
        public const string PUBLIC_INDC = "PublicIndc";
        public const string TREE_COVER_FILENAME = "TreeCoverFilename";
        public const string SURNAME = "Surname";
        public const string TREE_ID = "TreeId";
        public const string TREE_NAME = "TreeName";

        public const string DB_NAME_FAMILY_TREE_VIEW = "family_tree_view";
        public const string DB_NAME_FIELDS = "ancestor_person_id,brief,common_name,genealogy_name,public_indc,tree_cover_filename,surname,tree_id,tree_name";

        public const string DB_ANCESTOR_PERSON_ID = "ancestor_person_id";
        public const string DB_BRIEF = "brief";
        public const string DB_COMMON_NAME = "common_name";
        public const string DB_GENEALOGY_NAME = "genealogy_name";
        public const string DB_PUBLIC_INDC = "public_indc";
        public const string DB_TREE_COVER_FILENAME = "tree_cover_filename";
        public const string DB_SURNAME = "surname";
        public const string DB_TREE_ID = "tree_id";
        public const string DB_TREE_NAME = "tree_name";

        private string ProviderName { get; set; }

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

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

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

            this.AncestorPersonId = source.AncestorPersonId;
            this.Brief = source.Brief;
            this.CommonName = source.CommonName;
            this.GenealogyName = source.GenealogyName;
            this.PublicIndc = source.PublicIndc;
            this.TreeCoverFilename = source.TreeCoverFilename;
            this.Surname = source.Surname;
            this.TreeId = source.TreeId;
            this.TreeName = source.TreeName;

            if (includeSystemFields)
            {
            }
        }

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

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

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

            return result;
        }

    }
}