using FluentValidation;
using Galaeth.Services.Dtos;
using Injectio.Attributes;

namespace Galaeth.Services.Validators;

/// <summary>
/// Validation for <see cref="AuthenticateUserDto"/>.
/// </summary>
[RegisterScoped]
public class AuthenticateUserValidator : AbstractValidator<AuthenticateUserDto>
{
    private const int MinimumUsernameLength = 4;

    /// <summary>
    /// Initializes a new instance of the <see cref="AuthenticateUserValidator"/> class.
    /// </summary>
    public AuthenticateUserValidator()
    {
        RuleFor(dto => dto.Username).NotEmpty().WithMessage("Username must be provided")
            .MinimumLength(MinimumUsernameLength)
            .WithMessage("Username must be a minimum of " + MinimumUsernameLength + " characters")
            .Matches(@"^[A-Za-z0-9._-]+$")
            .WithMessage("Username can only contain letters, numbers, hyphens, dashes and periods.");

        RuleFor(dto => dto.Password).NotEmpty().WithMessage("Password must be provided");
    }
}