using Hutopy.Application.Common.Interfaces;
using Microsoft.AspNetCore.Http;

namespace Hutopy.Application.Users.Commands;
public record CreateUserCommand : IRequest<IResult>
{
    public required string FirstName { get; init; }
    public required string LastName { get; init; }
    public required string EmailAddress { get; init; }
    public required string UserName { get; init; }
    public required string Password { get; init; }
}

public class CreateUserCommandHandler : IRequestHandler<CreateUserCommand, IResult>
{
    private readonly IApplicationDbContext _context;
    private readonly IIdentityService _identityService;

    public CreateUserCommandHandler(IApplicationDbContext context, IIdentityService identityService)
    {
        _context = context;
        _identityService = identityService;
    }

    public async Task<IResult> Handle(CreateUserCommand request, CancellationToken cancellationToken)
    {
        await _identityService.CreateUserAsync(request.EmailAddress, request.UserName, request.FirstName, request.LastName, request.Password);

        var user = await _identityService.FindUserByEmailAsync(request.EmailAddress);

        if (user is null) throw new InvalidOperationException("This should never happen, we just created the user.");
        
        await _context.SaveChangesAsync(cancellationToken);

        return Results.Ok(user.Id);
    }
}