[CCode (cheader_filename = "libspotify/api.h")]
namespace Spotify {
    [CCode (cprefix = "SP_ERROR_", cname = "sp_error")]
    public enum Error {
        OK                        = 0,  ///< No errors encountered
        BAD_API_VERSION           = 1,  ///< The library version targeted does not match the one you claim you support
        API_INITIALIZATION_FAILED = 2,  ///< Initialization of library failed - are cache locations etc. valid?
        TRACK_NOT_PLAYABLE        = 3,  ///< The track specified for playing cannot be played
        BAD_APPLICATION_KEY       = 5,  ///< The application key is invalid
        BAD_USERNAME_OR_PASSWORD  = 6,  ///< Login failed because of bad username and/or password
        USER_BANNED               = 7,  ///< The specified username is banned
        UNABLE_TO_CONTACT_SERVER  = 8,  ///< Cannot connect to the Spotify backend system
        CLIENT_TOO_OLD            = 9,  ///< Client is too old, library will need to be updated
        OTHER_PERMANENT           = 10, ///< Some other error occurred, and it is permanent (e.g. trying to relogin will not help)
        BAD_USER_AGENT            = 11, ///< The user agent string is invalid or too long
        MISSING_CALLBACK          = 12, ///< No valid callback registered to handle events
        INVALID_INDATA            = 13, ///< Input data was either missing or invalid
        INDEX_OUT_OF_RANGE        = 14, ///< Index out of range
        USER_NEEDS_PREMIUM        = 15, ///< The specified user needs a premium account
        OTHER_TRANSIENT           = 16, ///< A transient error occurred.
        IS_LOADING                = 17, ///< The resource is currently loading
        NO_STREAM_AVAILABLE       = 18, ///< Could not find any suitable stream to play
        PERMISSION_DENIED         = 19, ///< Requested operation is not allowed
        INBOX_IS_FULL             = 20, ///< Target inbox is full
        NO_CACHE                  = 21, ///< Cache is not enabled
        NO_SUCH_USER              = 22, ///< Requested user does not exist
        NO_CREDENTIALS            = 23, ///< No credentials are stored
        NETWORK_DISABLED          = 24, ///< Network disabled
        INVALID_DEVICE_ID         = 25, ///< Invalid device ID
        CANT_OPEN_TRACE_FILE      = 26, ///< Unable to open trace file
        APPLICATION_BANNED        = 27, ///< This application is no longer allowed to use the Spotify service
        OFFLINE_TOO_MANY_TRACKS   = 31, ///< Reached the device limit for number of tracks to download
        OFFLINE_DISK_CACHE        = 32, ///< Disk cache is full so no more tracks can be downloaded to offline mode
        OFFLINE_EXPIRED           = 33, ///< Offline key has expired, the user needs to go online again
        OFFLINE_NOT_ALLOWED       = 34, ///< This user is not allowed to use offline mode
        OFFLINE_LICENSE_LOST      = 35, ///< The license for this device has been lost. Most likely because the user used offline on three other device
        OFFLINE_LICENSE_ERROR     = 36, ///< The Spotify license server does not respond correctly
        LASTFM_AUTH_ERROR         = 39, ///< A LastFM scrobble authentication error has occurred
        INVALID_ARGUMENT          = 40, ///< An invalid argument was specified
        SYSTEM_FAILURE            = 41;

        [CCode (cname = "sp_error_message")]
        public unowned string message();
    }
}