namespace Connected.Data.Schema.Sql
{
    internal class PrimaryKeyRemove : ColumnTransaction
	{
		public PrimaryKeyRemove(ExistingSchema existing, ISchemaColumn column) : base(column)
		{
			Existing = existing;
		}

		private ExistingSchema Existing { get; }

		protected override async Task OnExecute()
		{
			if (Existing.Indexes.FirstOrDefault(f => f.Type == IndexType.PrimaryKey) is ObjectIndex constraint)
			{
				await new ConstraintDrop(constraint).Execute(Context);

				Existing.Indexes.Remove(constraint);
			}
		}
	}
}