# Constants for Column and Field Names
ALERT_VALUE = 'alert_value'
PART_OR_WHOLE = 'part_or_whole'
DRIFT_TYPE = 'drift_type'
PERCENT_DRIFT = 'percent_drift'
START_TIME = 'start_time'
END_TIME = 'end_time'
THRESHOLD_TIME = 'threshold_time'
KPI_ID = 'itsi_kpi_id'
SERVICE_ID = 'itsi_service_id'
DRIFT_DETECTION_RESULTS_COLLECTION = 'drift_detection_results'
DRIFT_TIME_WINDOWS = 'drift_time_windows'
IS_DRIFT_DETECTED = 'is_drift_detected'
END_TIMESTAMP = "end_timestamp"
LAST_DRIFT_AT = "last_drift_at"

# HTTP error messages
MISSING_KPI_ID = "Missing kpi_id."
METHOD_NOT_ALLOWED = "Method not allowed."
PATH_INFO = "path_info"

USER = "_user"
KVSTORE_KEY = "_key"

START_TIME_MISSING_MSG = f"{START_TIME} is missing from the query parameters"
START_TIME_INVALID_FORMAT_MSG = f"{START_TIME} is not in a valid epoch format"
END_TIME_INVALID_FORMAT_MSG = f"{END_TIME} is not in a valid epoch format"
START_TIME_GREATER_THAN_END_TIME_MSG = f"{START_TIME} can't be greater than {END_TIME}"

# ITSI Base Endpoint URI
ITSI_APP_NAME = 'SA-ITOA'
ITSI_APP_OWNER = 'nobody'
ITSI_BASE_URI = "itoa_interface"

# Specific ITSI Endpoint URIs
ITSI_DRIFT_DETECTION_KPIS_URI = f"{ITSI_BASE_URI}/get_drift_kpis"
ITSI_DRIFT_DETECTION_TEMPLATE_URI = f"{ITSI_BASE_URI}/drift_detection_template"

# Template Info Keys
LOOKBACK_PERIOD = "lookback_period"
AGGREGATION_SPAN = "aggregation_span"
AGGREGATION_FUNCTION = "aggregation_function"
TOLERANCE_IN_PERCENT = "tolerance_in_percent"
THRESHOLD_DIRECTION = "threshold_direction"

DRIFT_DETECTION_TEMPLATE_ID = "drift_detection_template_id"