namespace Distribution.Features.PriceList;

public record CreatePriceListRequest(string Name, Guid? RegionId, DateTime EffectiveFrom, DateTime EffectiveTo);

public record UpdatePriceListRequest(string Name, Guid? RegionId, DateTime EffectiveFrom, DateTime EffectiveTo, bool IsActive);

public record UpsertPriceListItemRequest(
    decimal Price,
    decimal? MinPrice = null,
    decimal? RetailPrice = null,
    decimal? AgencyMarginPercent = null);

public record PriceListItemResponse(
    Guid Id,
    Guid ItemId,
    string Sku,
    string ItemName,
    decimal Price,
    decimal? MinPrice,
    decimal? RetailPrice,
    decimal? AgencyMarginPercent);

/// <summary>
/// A resolved price with its negotiable floor, plus the informational retail price and agency
/// margin when the resolution came from an actual PriceListItem (both null on the Item.SalePrice
/// fallback, since neither is tracked at the item level).
/// </summary>
public record PriceResolution(decimal Price, decimal? MinPrice, decimal? RetailPrice, decimal? AgencyMarginPercent);

public record PriceListResponse(
    Guid Id,
    string Name,
    Guid? RegionId,
    string? RegionName,
    DateTime EffectiveFrom,
    DateTime EffectiveTo,
    bool IsActive,
    DateTime CreatedAt,
    List<PriceListItemResponse> Items);