"""Constants for error codes and messages."""
ERROR_CODE_BAD_GRASS_REQUEST = 'bad_grass_request_error'
ERROR_MESSAGE_MISSING_GRASS_HEADERS = 'Invalid grass headers.'

FAILED_TO_LOAD_DATA_FROM_DB_CODE = 'db_error'
FAILED_TO_LOAD_DATA_FROM_DB_MESSAGE = (
    'Failed to load streams or tracks placements data from DB.')

VALIDATION_ERROR_CODE = 'validation_error'

INVALID_DATE_RANGE_MESSAGE = (
    'Invalid date range. Only week or month intervals are allowed.')

INVALID_LIST_FIELD_VALUE_MESSAGE = (
    'Invalid {} value. Must be comma-separated list of values '
    'or non-empty value.')

INVALID_COMBINATION_OF_PARAMS_CODE = 'invalid_combination_of_params'

INVALID_COMBINATION_OF_PARAMS_MESSAGE = (
    'Parameters: {} can not be used at the same time.')

INVALID_DAYS_THRESHOLD_MESSAGE = 'days_threshold is negative or 0.'

INVALID_DATE_RANGE_FORMAT_MESSAGE = 'Date range is in incorrect format.'

INVALID_DATE_RANGE_VALUES_MESSAGE = 'Invalid date range.'

INVALID_STORE_IDS_FORMAT_MESSAGE = 'Invalid store ids format.'

INVALID_STORE_IDS_VALUES_MESSAGE = 'Invalid store ids values.'

INVALID_ARTIST_IDS_FORMAT_MESSAGE = 'Invalid artist ids format.'

REQUIRED_PARAMETER_IS_MISSING_MESSAGE = 'Parameter {} is required.'

INVALID_LINK_FORMAT_MESAGE = 'Some links have unsupported format.'