import json


def test_hard_refresh_preserves_triage_state(base_url, page, seed_state, flask_app):
    """State is server-side — hard refresh must not reset it."""
    album_id = seed_state("phase2_state")
    page.goto(f"{base_url}/triage?album_id={album_id}")
    page.locator(".photo-card").first.click()
    page.keyboard.press("j")
    page.wait_for_timeout(400)
    page.reload()
    first_card = page.locator(".photo-card").first
    assert "border-success" in first_card.get_attribute("class")


def test_back_nav_from_group_to_triage_marks_curate_group_stale(base_url, page, seed_state):
    album_id = seed_state("phase4_state")  # completed=[triage, curate], phase=group
    page.request.post(
        f"{base_url}/nav/phase",
        data=json.dumps({"album_id": album_id, "target_phase": "triage"}),
        headers={"Content-Type": "application/json"},
    )
    resp = page.request.get(f"{base_url}/state/{album_id}")
    state = resp.json()
    assert "curate" in state["phase_stale"]
    assert "group" in state["phase_stale"]


def test_stale_banner_visible_on_stale_phase(base_url, page, seed_state):
    album_id = seed_state("phase4_state")
    page.request.post(
        f"{base_url}/nav/phase",
        data=json.dumps({"album_id": album_id, "target_phase": "triage"}),
        headers={"Content-Type": "application/json"},
    )
    # Now visit curate (which is stale)
    page.goto(f"{base_url}/curate?album_id={album_id}")
    assert page.locator("#stale-banner").is_visible()


def test_dismiss_stale_clears_flag(base_url, page, seed_state, flask_app):
    album_id = seed_state("phase4_state")
    page.request.post(
        f"{base_url}/nav/phase",
        data=json.dumps({"album_id": album_id, "target_phase": "triage"}),
        headers={"Content-Type": "application/json"},
    )
    page.goto(f"{base_url}/curate?album_id={album_id}")
    page.locator("#stale-banner button").click()
    page.wait_for_url("**/curate**")
    with flask_app.app_context():
        from app.state import load_state
        state = load_state(album_id, flask_app)
        assert "curate" not in state.phase_stale


def test_exported_group_not_affected_by_back_nav(base_url, page, seed_state, flask_app):
    """Exporting then going back to triage must not touch the exported group."""
    album_id = seed_state("phase6_state")
    # Manually set one group to exported
    with flask_app.app_context():
        from app.state import load_state, save_state
        state = load_state(album_id, flask_app)
        state.groups[0].status = "exported"
        save_state(state, flask_app)
    # Navigate back
    page.request.post(
        f"{base_url}/nav/phase",
        data=json.dumps({"album_id": album_id, "target_phase": "triage"}),
        headers={"Content-Type": "application/json"},
    )
    with flask_app.app_context():
        from app.state import load_state
        state = load_state(album_id, flask_app)
        assert state.groups[0].status == "exported"


def test_notes_autosave_survives_phase_navigation(base_url, page, seed_state, flask_app):
    album_id = seed_state("phase2_state")
    page.request.post(
        f"{base_url}/notes/save",
        data=json.dumps({"album_id": album_id, "notes": "survives navigation"}),
        headers={"Content-Type": "application/json"},
    )
    page.goto(f"{base_url}/curate?album_id={album_id}")
    resp = page.request.get(f"{base_url}/notes/{album_id}")
    assert resp.json()["notes"] == "survives navigation"