# pyright: reportMissingImports=false
from __future__ import annotations

import json
import sys
from pathlib import Path

import pytest  # type: ignore[import-not-found]

ROOT = Path(__file__).resolve().parents[1]
sys.path.append(str(ROOT))

from config import _parse_mappings, load_config  # type: ignore[import-not-found]
from errors import ConfigError  # type: ignore[import-not-found]


def test_parse_mappings_rejects_duplicate_thermostat():
    with pytest.raises(ConfigError):
        _parse_mappings(
            [
                {"sensor": "sensor.a", "thermostate": "climate.x"},
                {"sensor": "sensor.b", "thermostate": "climate.x"},
            ]
        )


def test_load_config_parses_dry_run(tmp_path: Path):
    payload = {
        "fritzbox": {"url": "http://fritz.box", "password": "secret"},
        "mappings": [{"sensor": "sensor.a", "thermostate": "climate.x"}],
        "update_timeout": 15,
        "dry_run": True,
    }
    config_path = tmp_path / "config.json"
    config_path.write_text(json.dumps(payload), encoding="utf-8")

    config = load_config(str(config_path))
    assert config.dry_run is True