use domain::{
    errors::DomainError,
    events::DomainEvent,
    value_objects::UserId,
};

use crate::{commands::UpdateProfileFieldsCommand, context::AppContext};

pub async fn execute(ctx: &AppContext, cmd: UpdateProfileFieldsCommand) -> Result<(), DomainError> {
    if cmd.fields.len() > 4 {
        return Err(DomainError::ValidationError("Maximum 4 profile fields allowed".into()));
    }
    let user_id = UserId::from_uuid(cmd.user_id);
    ctx.profile_fields_repository.set_fields(&user_id, cmd.fields).await?;
    ctx.event_publisher.publish(&DomainEvent::UserUpdated { user_id }).await?;
    Ok(())
}