using Hutopy.Application.Common.Interfaces;

namespace Hutopy.Application.Users.Queries.GetCurrentUser;

public record GetCurrentUserQuery : IRequest<UserDto>;

public class GetCurrentUserQueryHandler(
    IApplicationDbContext context,
    IMapper mapper,
    IIdentityService identityService
)
    : IRequestHandler<GetCurrentUserQuery, UserDto>
{
    public async Task<UserDto> Handle(GetCurrentUserQuery request, CancellationToken cancellationToken)
    {
        var identityUser = await identityService.GetCurrentUserAsync();
        var currentUserId = Guid.Parse(identityUser!.Id!);

        var transactions = await context
            .UserTransactions
            .Where(x => x.ApplicationUserId == currentUserId.ToString())
            .OrderBy(x => x.LastModified)
            .ProjectTo<UserTransactionDto>(mapper.ConfigurationProvider)
            .Where(x => x.IsConfirmed == true)
            .ToListAsync(cancellationToken);

        var roles = await identityService.GetCurrentUserRolesAsync();

        var user = new UserDto
        {
            Id = currentUserId,
            Alias = identityUser.Alias,
            FirstName = identityUser.FirstName,
            LastName = identityUser.LastName,
            UserName = identityUser.UserName,
            CreatorAlias= identityUser.CreatorAlias,
            Occupation = identityUser.Occupation,
            PhoneNumber = identityUser.PhoneNumber,
            Email = identityUser.Email,
            BirthDate = identityUser.BirthDate,
            Country = identityUser.Country,
            City = identityUser.City,
            Address = identityUser.Address,
            About = identityUser.About,
            Description = identityUser.Description,
            SocialNetworks = identityUser.SocialNetworks,
            ProfileColors = identityUser.ProfileColors,
            StoredDataUrls = identityUser.StoredDataUrls,
            UserTransactions = transactions,
            TotalBalance = transactions.Sum(x => x.Amount),
            UserRoles = roles,
        };

        return user;
    }
}