import pytest

from audita.core.config import (
    AuditaConfig,
    ConfigOverrides,
    DEFAULT_GLOSSARY_CONFIDENCE_THRESHOLD,
    DEFAULT_HOMOPHONES_CONFIDENCE_THRESHOLD,
    DEFAULT_NORMALIZE_MAX_SEGMENT_GAP,
    DEFAULT_WORK_DIR_RETENTION,
)
from audita.core.errors import AuditaConfigError


def test_default_config_allows_missing_api_key():
    config = AuditaConfig.from_sources(env={})

    assert config.api_key is None
    assert config.glossary_confidence_threshold == DEFAULT_GLOSSARY_CONFIDENCE_THRESHOLD
    assert config.homophones_confidence_threshold == DEFAULT_HOMOPHONES_CONFIDENCE_THRESHOLD
    assert config.normalize_max_segment_gap == DEFAULT_NORMALIZE_MAX_SEGMENT_GAP
    assert config.work_dir_retention == DEFAULT_WORK_DIR_RETENTION


def test_cli_overrides_take_precedence():
    config = AuditaConfig.from_sources(
        env={"AUDITA_MAX_SECTION_TOKENS": "1000"},
        overrides=ConfigOverrides(max_section_tokens=2000),
    )

    assert config.max_section_tokens == 2000


def test_invalid_work_dir_retention_is_rejected():
    with pytest.raises(AuditaConfigError):
        AuditaConfig.from_sources(env={"AUDITA_WORK_DIR_RETENTION": "sometimes"})


def test_threshold_overrides_take_precedence():
    config = AuditaConfig.from_sources(
        env={
            "AUDITA_GLOSSARY_CONFIDENCE_THRESHOLD": "0.6",
            "AUDITA_HOMOPHONES_CONFIDENCE_THRESHOLD": "0.7",
        },
        overrides=ConfigOverrides(
            glossary_confidence_threshold=0.85,
            homophones_confidence_threshold=0.9,
        ),
    )

    assert config.glossary_confidence_threshold == 0.85
    assert config.homophones_confidence_threshold == 0.9


@pytest.mark.parametrize(
    "env_name",
    [
        "AUDITA_GLOSSARY_CONFIDENCE_THRESHOLD",
        "AUDITA_HOMOPHONES_CONFIDENCE_THRESHOLD",
    ],
)
def test_invalid_thresholds_are_rejected(env_name):
    with pytest.raises(AuditaConfigError):
        AuditaConfig.from_sources(env={env_name: "1.5"})