from central.app.evidence_aggregation import Observation, aggregate_observations
from scripts.analyze_inbound_observations import summarize_rows


def test_two_suppliers_agree_without_conflict():
    rows = [
        Observation("P1", "origin", "0", "S1", "D1", "2026-01-01"),
        Observation("P1", "origin", "0", "S2", "D2", "2026-02-01"),
    ]

    result = aggregate_observations(rows)[("P1", "origin")]

    assert result["observation_count"] == 2
    assert result["supplier_count"] == 2
    assert result["agreement_rate"] == 1.0
    assert result["strong_evidence"] is True
    assert result["conflict_count"] == 0


def test_supplier_disagreement_is_conflict_not_majority():
    rows = [
        Observation("P1", "origin", "0", "S1", "D1", "2026-01-01"),
        Observation("P1", "origin", "0", "S2", "D2", "2026-02-01"),
        Observation("P1", "origin", "1", "S3", "D3", "2026-03-01"),
    ]

    result = aggregate_observations(rows)[("P1", "origin")]

    assert result["conflict_count"] == 1
    assert result["strong_evidence"] is False
    assert result["value"] is None


def test_inbound_rows_become_supplier_observations_without_raw_identity():
    result = summarize_rows([("P1", "S1", "2026-01-01", "12345678", "1102", "060")])

    assert result["observation_count"] == 3
    assert result["sources"] == ["SUPPLIER_OBSERVATION"]