"""Tests for three-factor confidence scoring."""
import pytest


def test_score_temporal_coverage():
    from app.analysis.confidence import score_temporal_coverage
    assert score_temporal_coverage(0) == 0.25
    assert score_temporal_coverage(3) == 0.25
    assert score_temporal_coverage(5) == 0.5
    assert score_temporal_coverage(8) == 0.75
    assert score_temporal_coverage(12) == 1.0


def test_score_baseline_depth():
    from app.analysis.confidence import score_baseline_depth
    assert score_baseline_depth(1) == 0.25
    assert score_baseline_depth(3) == 0.5
    assert score_baseline_depth(4) == 0.75
    assert score_baseline_depth(5) == 1.0


def test_score_spatial_completeness():
    from app.analysis.confidence import score_spatial_completeness
    assert score_spatial_completeness(0.3) == 0.25
    assert score_spatial_completeness(0.6) == 0.5
    assert score_spatial_completeness(0.85) == 0.75
    assert score_spatial_completeness(0.95) == 1.0


def test_compute_confidence_high():
    from app.analysis.confidence import compute_confidence
    from app.models import ConfidenceLevel
    result = compute_confidence(
        valid_months=12,
        baseline_years_with_data=5, spatial_completeness=0.95,
    )
    assert result["level"] == ConfidenceLevel.HIGH
    assert result["score"] > 0.7


def test_compute_confidence_low():
    from app.analysis.confidence import compute_confidence
    from app.models import ConfidenceLevel
    result = compute_confidence(
        valid_months=2,
        baseline_years_with_data=1, spatial_completeness=0.3,
    )
    assert result["level"] == ConfidenceLevel.LOW
    assert result["score"] < 0.4


def test_compute_confidence_returns_factors():
    from app.analysis.confidence import compute_confidence
    result = compute_confidence(
        valid_months=6,
        baseline_years_with_data=3, spatial_completeness=0.8,
    )
    assert "factors" in result
    factors = result["factors"]
    assert "temporal" in factors
    assert "baseline_depth" in factors
    assert "spatial_completeness" in factors