using SqlSugar;
using AntDesign;
using AntDesign.TableModels;

namespace Learn.VideoAnalysis.API.Expand
{
    public static class SearchExpand
    {

        /// <summary>
        /// 转换 ant 查询枚举 到 sqlsuger枚举
        /// </summary>
        /// <param name="filterOperator">ant 查询枚举</param>
        /// <returns></returns>
        /// <exception cref="ArgumentOutOfRangeException"></exception>
        public static ConditionalType ConvertToConditionalType(TableFilterCompareOperator filterOperator)
        {
            return filterOperator switch
            {
                TableFilterCompareOperator.Equals => ConditionalType.Equal,
                TableFilterCompareOperator.Contains => ConditionalType.Like,
                TableFilterCompareOperator.StartsWith => ConditionalType.LikeLeft,
                TableFilterCompareOperator.EndsWith => ConditionalType.LikeRight,
                TableFilterCompareOperator.GreaterThan => ConditionalType.GreaterThan,
                TableFilterCompareOperator.LessThan => ConditionalType.LessThan,
                TableFilterCompareOperator.GreaterThanOrEquals => ConditionalType.GreaterThanOrEqual,
                TableFilterCompareOperator.LessThanOrEquals => ConditionalType.LessThanOrEqual,
                TableFilterCompareOperator.Condition => ConditionalType.In,
                TableFilterCompareOperator.NotEquals => ConditionalType.NoEqual,
                TableFilterCompareOperator.IsNull => ConditionalType.IsNullOrEmpty,
                TableFilterCompareOperator.IsNotNull => ConditionalType.IsNot,
                TableFilterCompareOperator.NotContains => ConditionalType.NoLike,
                TableFilterCompareOperator.TheSameDateWith => ConditionalType.EqualNull,
                TableFilterCompareOperator.Between => ConditionalType.Range,
                _ => throw new ArgumentOutOfRangeException(nameof(filterOperator), filterOperator, "未知的枚举类型!")
            };
        }
        public static List<IConditionalModel> ToSqlSugerWhere(this QueryModel qm)
        {
            return qm.FilterModel.SelectMany(s => s.Filters.Select(x => new ConditionalModel()
            {
                FieldName = s.FieldName,
                ConditionalType = ConvertToConditionalType(x.FilterCompareOperator),
                FieldValue = x.Value.GetType().IsEnum ? ((int)x.Value).ToString() : x.Value.ToString(),
            } as IConditionalModel)).ToList();
        }
    }
}