class_name DiveTick
extends RefCounted

var session_id: StringName
var sequence: int
var elapsed_seconds: float


func _init(
	p_session_id: StringName,
	p_sequence: int,
	p_elapsed_seconds: float
) -> void:
	session_id = p_session_id
	sequence = p_sequence
	elapsed_seconds = p_elapsed_seconds


func validation_error() -> String:
	if session_id.is_empty():
		return "tick session_id is empty"
	if sequence < 0:
		return "tick sequence is negative"
	if not is_finite(elapsed_seconds) or elapsed_seconds <= 0.0:
		return "tick duration must be finite and positive"
	if elapsed_seconds > 0.1:
		return "tick duration exceeds 0.1 seconds"
	return ""