"""Tests for knowledge_extractor.py (darkplex-core root) — Smart Extractor."""

import sys
from pathlib import Path
from unittest.mock import patch

sys.path.insert(0, str(Path.home() / "repos" / "darkplex-core"))

from cortex.knowledge_extractor import importance_heuristic, parse_since


class TestImportanceHeuristic:
    def test_empty(self):
        assert importance_heuristic("") == 0.0
        assert importance_heuristic(None) == 0.0

    def test_short_text(self):
        score = importance_heuristic("Hello world")
        assert 0 < score <= 1.0

    def test_long_text_boosted(self):
        short = importance_heuristic("Hello")
        long = importance_heuristic("x " * 300)
        assert long > short

    def test_heartbeat_penalized(self):
        score = importance_heuristic("HEARTBEAT_OK system running fine no issues detected at all")
        assert score < 0.3

    def test_business_boosted(self):
        score = importance_heuristic("Meeting about the project deadline and contract with the client partnership")
        assert score > 0.4

    def test_capitalized_names_boost(self):
        text = "Albert discussed with Thomas, Sarah, Michael, Peter, Franz, and Maria about the Company"
        score = importance_heuristic(text)
        assert score > 0.4

    def test_clamped(self):
        # Even extreme texts should be 0-1
        score = importance_heuristic("cron: heartbeat HEARTBEAT_OK health check no critical")
        assert 0 <= score <= 1.0


class TestParseSince:
    def test_hours(self):
        ts = parse_since("6h")
        assert ts is not None
        assert ts > 0

    def test_days(self):
        ts = parse_since("1d")
        assert ts is not None

    def test_minutes(self):
        ts = parse_since("30m")
        assert ts is not None

    def test_invalid(self):
        assert parse_since("abc") is None
        assert parse_since("") is None