from pathlib import Path
from journal_bot.state import State


def test_state_initial_values(tmp_path):
    s = State(tmp_path)
    assert s.last_update_id == 0
    assert not s.has_processed(123)


def test_state_persists_last_update_id(tmp_path):
    s = State(tmp_path)
    s.set_last_update_id(456)
    s2 = State(tmp_path)
    assert s2.last_update_id == 456


def test_state_processed_ids_rolling_window(tmp_path):
    s = State(tmp_path, processed_ids_max=3)
    s.mark_processed(1)
    s.mark_processed(2)
    s.mark_processed(3)
    s.mark_processed(4)
    assert not s.has_processed(1)  # dropped
    assert s.has_processed(2)
    assert s.has_processed(3)
    assert s.has_processed(4)


def test_state_processed_ids_persist(tmp_path):
    s = State(tmp_path)
    s.mark_processed(42)
    s2 = State(tmp_path)
    assert s2.has_processed(42)