use domain::DomainResult;

use super::deps::LibraryQueryDeps;
use super::parse_content_type;
use super::queries::ListGenresQuery;

pub async fn execute(deps: &LibraryQueryDeps, query: ListGenresQuery) -> DomainResult<Vec<String>> {
    let content_type = query
        .content_type
        .as_deref()
        .map(parse_content_type)
        .transpose()?;

    deps.library_query
        .list_genres(content_type.as_ref(), query.provider_id.as_deref())
        .await
}

#[cfg(test)]
#[path = "tests/list_genres.rs"]
mod tests;