using System;
using System.Collections.Generic;
using System.Linq;
using System.Numerics;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using RomashkiContracts.Extensions;
using RomashkiContracts.Infrastructure;
using static System.Runtime.InteropServices.JavaScript.JSType;
using System.Xml;
using RomashkiContracts.Exceptions;

namespace RomashkiContracts.DataModels;

public class BuyerDataModel(string id, string fio, string email, float totalSpend, double discountSize) : IValidation
{
    public string Id { get; private set; } = id;
    public string FIO { get; private set; } = fio;
    public string Email { get; private set; } = email;
    public float TotalSpend { get; private set; } = totalSpend;
    public double DiscountSize { get; private set; } = discountSize;
    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 (FIO.IsEmpty())
            throw new ValidationException("Field FIO is empty");
        if (Email.IsEmpty())
            throw new ValidationException("Field PhoneNumber is empty");
        if (TotalSpend < 0)
            throw new ValidationException("Field TotalSpend cannot be less than 0");
        if (!Regex.IsMatch(Email, @"([a-zA-Z0-9._-]+@[a-zA-Z0-9._-]+\.[a-zA-Z0-9_-]+)"))
            throw new ValidationException("Field Email is not an email");
    }
}