using Distribution.Features.Stock;
using Distribution.Infra.UoW;
using Distribution.Models;

namespace Distribution.Features.ShopPO;

public class ShopPOService(
    IShopPORepository repo,
    IUnitOfWork uow)
{
    private static ShopPOResponse ToResponse(Models.ShopPO p) =>
        new(p.Id, p.FK_StoreId, p.Store?.StoreName ?? string.Empty,
            p.RaisedById, p.InvoiceId, p.TotalAmount, p.Status,
            p.ConfirmedAt, p.ConfirmedBy, p.FulfilledAt,
            p.Items.Where(i => i.IsActive).Select(i =>
                new ShopPOItemResponse(i.Id, i.FK_ItemId, i.Item?.Name ?? string.Empty,
                    i.Quantity, i.QuantityFulfilled, i.UnitPrice, i.IsActive)).ToList(),
            p.IsActive, p.CreatedAt);

    public async Task<PagedResponse<ShopPOResponse>> GetAllAsync(Guid? agentId, Guid? routeId, Guid? shopId, bool? confirmed, int page, int pageSize)
    {
        var total = await repo.GetCountAsync(agentId, routeId, shopId, confirmed);
        var items = await repo.GetAllAsync(agentId, routeId, shopId, confirmed, page, pageSize);
        return new PagedResponse<ShopPOResponse>(page, pageSize, total, items.Select(ToResponse).ToList());
    }

    public async Task<ShopPOResponse?> GetByIdAsync(Guid id)
    {
        var po = await repo.GetByIdAsync(id);
        return po is null ? null : ToResponse(po);
    }
}