namespace Domain.ValueObjects;

using System.Text.RegularExpressions;

public partial class Email
{
    public string Value { get; }

    private Email(string value) => Value = value;

    public static Email Create(string email)
    {
        if (string.IsNullOrWhiteSpace(email))
            throw new ArgumentException("Email is required", nameof(email));

        email = email.Trim().ToLowerInvariant();

        if (!EmailRegex().IsMatch(email))
            throw new ArgumentException("Invalid email format", nameof(email));

        return new Email(email);
    }

    public override string ToString() => Value;
    public override bool Equals(object? obj) => obj is Email other && Value == other.Value;
    public override int GetHashCode() => Value.GetHashCode();

    public static implicit operator string(Email email) => email.Value;

    [GeneratedRegex(@"^[^@\s]+@[^@\s]+\.[^@\s]+$", RegexOptions.Compiled)]
    private static partial Regex EmailRegex();
}