use libc::c_char;
use std::ffi::CString;
use std::mem;

use librespot::metadata::Artist;

use metadata::SpMetadata;

#[allow(non_camel_case_types)]
pub type sp_artist = SpMetadata<Artist>;

#[no_mangle]
pub unsafe extern "C" fn sp_artist_is_loaded(c_artist: *mut sp_artist) -> bool {
    let artist = &*c_artist;
    artist.is_loaded()
}

#[no_mangle]
pub unsafe extern "C" fn sp_artist_name(c_artist: *mut sp_artist) -> *const c_char {
    let artist = &*c_artist;

    let name = artist.get()
                     .map(|metadata| metadata.name.clone())
                     .unwrap_or("".to_owned());

    let name = CString::new(name).unwrap();
    let c_name = name.as_ptr();

    // FIXME
    mem::forget(name);

    c_name
}