import sys
from pathlib import Path

sys.path.insert(0, str(Path(__file__).resolve().parent.parent / "display"))

import render  # noqa: E402


def test_off_mode_says_so_and_shows_nothing_else():
    lines = render.lines({"mode": "off"})
    assert any("Station aus" in l for l in lines)
    assert not any("SSID" in l for l in lines)


def test_migration_shows_detected_lamp():
    lines = render.lines({
        "mode": "migration", "phase": "auto", "served": 3,
        "ssid": "qconnex-firmware",
        "last_seen": {"product_name": "Klyqa GU10 RGB CW/WW", "target": "gu10_rgb",
                      "variant": "prod", "lamp_version": "V1.1.0.1138"},
        "recent": [{"target": "gu10_rgb", "status": "ok", "ts": "2026-09-13T13:04:02Z"}]})
    text = "\n".join(lines)
    assert "MIGRATION" in text
    assert "Klyqa GU10 RGB CW/WW" in text
    assert "V1.1.0.1138" in text
    assert "prod" in text
    assert "13:04" in text


def test_recovery_mode_without_traffic():
    lines = render.lines({"mode": "recovery", "ssid": "ninlight-recovery",
                          "served": 0, "recent": []})
    text = "\n".join(lines)
    assert "RETTUNG" in text
    assert "ninlight-recovery" in text


def test_long_product_name_is_truncated_not_wrapped():
    """Das Panel ist 250 px breit - eine zu lange Zeile darf das Layout nicht sprengen."""
    lines = render.lines({"mode": "migration", "phase": "listen", "served": 0, "recent": [],
                          "ssid": "qconnex-firmware",
                          "last_seen": {"product_name": "X" * 90, "target": "e27_rgb",
                                        "variant": "dev", "lamp_version": "V1"}})
    assert all(len(l) <= render.MAX_COLS for l in lines)


def test_missing_fields_do_not_raise():
    """status.json kann jederzeit halb geschrieben oder aus einer aelteren Version sein."""
    for state in ({}, {"mode": "migration"}, {"mode": "migration", "last_seen": {}}):
        assert render.lines(state)


def test_armed_phase_is_visible():
    lines = render.lines({"mode": "migration", "phase": "armed", "armed_target": "g95_cw",
                          "served": 0, "recent": [], "ssid": "qconnex-firmware"})
    assert "FREIGEGEBEN" in "\n".join(lines)