using Prefab.Domain.Common;

namespace Prefab.Data.Queries;

/// <summary>
/// Provides reusable audit-related query filters for entity sets.
/// </summary>
public static class EntityAuditQueries
{
    /// <summary>
    /// Filters entities created before the specified timestamp.
    /// </summary>
    public static IQueryable<IAudit> ThatWasCreateBefore(this IQueryable<IAudit> query, DateTime dateTime) => query.Where(x => x.CreatedOn < dateTime);

    /// <summary>
    /// Filters entities created after the specified timestamp.
    /// </summary>
    public static IQueryable<IAudit> ThatWasCreatedAfter(this IQueryable<IAudit> query, DateTime dateTime) => query.Where(x => x.CreatedOn > dateTime);

    /// <summary>
    /// Filters entities created between the specified start and end timestamps.
    /// </summary>
    public static IQueryable<IAudit> ThatWasCreatedBetween(this IQueryable<IAudit> query, DateTime start, DateTime end) => query.ThatWasCreatedAfter(start).ThatWasCreateBefore(end);

    /// <summary>
    /// Filters entities last modified before the specified timestamp.
    /// </summary>
    public static IQueryable<IAudit> ThatWasLastModifiedBefore(this IQueryable<IAudit> query, DateTime dateTime) => query.Where(x => x.LastModifiedOn < dateTime);

    /// <summary>
    /// Filters entities last modified after the specified timestamp.
    /// </summary>
    public static IQueryable<IAudit> ThatWasLastModifiedAfter(this IQueryable<IAudit> query, DateTime dateTime) => query.Where(x => x.LastModifiedOn > dateTime);

    /// <summary>
    /// Filters entities last modified between the specified start and end timestamps.
    /// </summary>
    public static IQueryable<IAudit> ThatWasLastModifiedBetween(this IQueryable<IAudit> query, DateTime start, DateTime end) => query.ThatWasLastModifiedAfter(start).ThatWasLastModifiedBefore(end);
}