"""Track validation."""

from switchboard_consumer.constants.track_type import TRACK, UNKNOWN
from switchboard_consumer.logic.validation.track.validators import \
    validate_pline, validate_track_samples_names_unique, validate_track_type
from switchboard_consumer.utils.message import \
    create_processing_result, create_track_identifiers


def validate_track(track, message):
    """Validate a track."""
    error_messages = []

    track_type = track.get('trackType', UNKNOWN)
    isrc = track.get('isrc', UNKNOWN)

    invalid_track_types = validate_track_type(track_type, isrc)
    if invalid_track_types:
        error_messages.append(invalid_track_types)

    samples = track.get('samples', [])
    if samples:
        invalid_not_unique_samples = validate_track_samples_names_unique(
            samples)
        if invalid_not_unique_samples:
            error_messages.append(validate_track_samples_names_unique)

    pline = track.get('pLine', '')
    invalid_p_line = validate_pline(pline)
    if invalid_p_line:
        error_messages.append(invalid_p_line)

    track_ids = track.get('ids', [])
    identifiers = create_track_identifiers(track_ids, isrc)

    if error_messages:
        return create_processing_result(
            identifiers,
            message,
            entity_type=TRACK,
            errors=error_messages)