"""Completion windows shared by the native executor and one-shot transport.

NativeControls waits up to four seconds; touch frames last at most ten seconds.
The grace also covers callback/release and transport cleanup. Search deadlines
stop new input, while already-dispatched input retains its resource until quiet.
"""

from typing import Any

CONTROL_COMPLETION_SECONDS = 5.0
TOUCH_COMPLETION_GRACE_SECONDS = 5.0


def input_completion_seconds(command: str, args: dict[str, Any]) -> float:
    if command == "control_action":
        return CONTROL_COMPLETION_SECONDS
    if command != "touch_gesture":
        return 0.0
    frames = args.get("frames")
    last = (
        frames[-1].get("at_ms")
        if isinstance(frames, list) and frames and isinstance(frames[-1], dict)
        else None
    )
    # A malformed raw call still gets the conservative maximum drain window.
    duration = min(max(last, 0), 10000) if type(last) is int else 10000
    return duration / 1000 + TOUCH_COMPLETION_GRACE_SECONDS