"""ORCH-042: Settings.tracker_mode config field.

AC-1: tracker_mode defaults to "edit" and is read from env ORCH_TRACKER_MODE.
Settings is a Pydantic BaseSettings reading env at instantiation, so each case
builds a FRESH Settings() (the process-wide singleton is not mutated).
"""

from src.config import Settings


def test_tracker_mode_defaults_to_edit(monkeypatch):
    # No env var -> default "edit" (TC-01 / AC-1).
    monkeypatch.delenv("ORCH_TRACKER_MODE", raising=False)
    assert Settings().tracker_mode == "edit"


def test_tracker_mode_reads_env_bump(monkeypatch):
    # ORCH_TRACKER_MODE=bump -> "bump" (TC-01 / AC-1).
    monkeypatch.setenv("ORCH_TRACKER_MODE", "bump")
    assert Settings().tracker_mode == "bump"


def test_tracker_mode_reads_env_arbitrary(monkeypatch):
    # The field is read verbatim from env; mode RESOLUTION (anything != "bump"
    # -> edit) happens in notifications, not here (AC-1/AC-2 split).
    monkeypatch.setenv("ORCH_TRACKER_MODE", "garbage")
    assert Settings().tracker_mode == "garbage"