"""Tests for updated narrative generation."""
import pytest


def test_generate_narrative_includes_zscore_context(mock_product_result):
    """Narrative references z-score context when anomaly data is present."""
    from app.outputs.narrative import generate_narrative

    results = [
        mock_product_result(
            product_id="ndvi",
            status="amber",
            headline="Vegetation decline (z=-1.8)",
            z_score_current=-1.8,
            anomaly_months=3,
        ),
    ]
    text = generate_narrative(results)
    assert "concern" in text.lower() or "monitoring" in text.lower()


def test_generate_compound_signals_text():
    """Compound signal text generated from CompoundSignal objects."""
    from app.outputs.narrative import generate_compound_signals_text
    from app.models import CompoundSignal

    signals = [
        CompoundSignal(
            name="land_conversion",
            triggered=True,
            confidence="strong",
            description="NDVI decline overlaps with settlement growth (45% overlap, 120 ha).",
            indicators=["ndvi", "buildup"],
            overlap_pct=45.0,
            affected_ha=120.0,
        ),
        CompoundSignal(
            name="flood_event",
            triggered=False,
            confidence="weak",
            description="No flood signal detected.",
            indicators=["sar", "water"],
        ),
    ]
    text = generate_compound_signals_text(signals)
    assert "Land Conversion" in text
    assert "NDVI decline" in text


def test_no_compound_signals_text():
    """When no signals triggered, text says so explicitly."""
    from app.outputs.narrative import generate_compound_signals_text

    text = generate_compound_signals_text([])
    assert "no compound" in text.lower()