PIBD-23_Fomichev_V.S._MagicCarpet/MagicCarpetProject/MagicCarpetContracts/DataModels/SaleDataModel.cs

using MagicCarpetContracts.Enums;
using MagicCarpetContracts.Exceptions;
using MagicCarpetContracts.Extensions;
using MagicCarpetContracts.Infrastructure;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace MagicCarpetContracts.DataModels;

public class SaleDataModel(string id, string employeeId, string? clientId, double sum, DiscountType discountType,
    double discount, bool isCancel, List<SaleTourDataModel> tours) : IValidation
{
    public string Id { get; private set; } = id;

    public string EmployeeId { get; private set; } = employeeId;

    public string? ClientId { get; private set; } = clientId;

    public DateTime SaleDate { get; private set; } = DateTime.UtcNow;
    public double Sum { get; private set; } = sum;

    public DiscountType DiscountType { get; private set; } = discountType;

    public double Discount { get; private set; } = discount;

    public bool IsCancel { get; private set; } = isCancel;

    public List<SaleTourDataModel> Tours { get; private set; } = tours;

    public void Validate()
    {
        if (Id.IsEmpty())
            throw new ValidationException("Field Id is empty");

        if (!Id.IsGuid())
            throw new ValidationException("The value in the field Id is not a unique identifier");

        if (EmployeeId.IsEmpty())
            throw new ValidationException("Field EmployeeId is empty");

        if (!EmployeeId.IsGuid())
            throw new ValidationException("The value in the field EmployeeId is not a unique identifier");

        if (!ClientId?.IsGuid() ?? !ClientId?.IsEmpty() ?? false)
            throw new ValidationException("The value in the field BuyerId is not a unique identifier");

        if (Sum <= 0)
            throw new ValidationException("Field Sum is less than or equal to 0");

        if ((Tours?.Count ?? 0) == 0)
            throw new ValidationException("The sale must include tours");
    }
}