from app.service.risk_judgement_service import (
    assess_alert_detail,
    assess_alert_list_item,
)


def test_rw018_valid_auto_investment_is_release_candidate() -> None:
    result = assess_alert_detail({
        "alert": {
            "alert_no": "ALERT-018",
            "rule_codes": ["RW-018"],
        },
        "work_order": {
            "channel": "定投",
            "status": "已完成",
        },
    })

    assert result["verdict"] == "可考虑放行"
    assert result["confidence"] == "高"
    assert any("定投工单" in reason for reason in result["reasons"])


def test_rw007_current_levels_no_longer_mismatch() -> None:
    result = assess_alert_detail({
        "alert": {
            "alert_no": "ALERT-007",
            "rule_codes": ["RW-007"],
        },
        "customer": {"investor_type": "C2"},
        "product": {
            "risk_level": "R2",
            "risk_disclosure_required": 0,
            "second_confirmation_required": 0,
            "recording_required": 0,
        },
        "work_order": {},
    })

    assert result["verdict"] == "疑似误报"
    assert any("不存在风险等级差" in reason for reason in result["reasons"])


def test_rw007_missing_trace_supports_risk() -> None:
    result = assess_alert_detail({
        "alert": {
            "alert_no": "ALERT-007",
            "rule_codes": ["RW-007"],
        },
        "customer": {"investor_type": "C2"},
        "product": {
            "risk_level": "R5",
            "risk_disclosure_required": 1,
            "second_confirmation_required": 1,
            "recording_required": 1,
        },
        "work_order": {
            "risk_disclosure_ack_at": None,
            "second_confirmation_at": None,
            "recording_reference": None,
        },
    })

    assert result["verdict"] == "证据支持风险"
    assert any("缺少交易留痕" in reason for reason in result["reasons"])


def test_rw003_core_thresholds_support_risk() -> None:
    result = assess_alert_detail({
        "alert": {
            "alert_no": "ALERT-003",
            "rule_codes": ["RW-003"],
        },
        "transaction": {"amount": "750000.00"},
        "evidence_snapshot": {"ratio": "0.9375"},
    })

    assert result["verdict"] == "证据支持风险"
    assert any("500000 元阈值" in reason for reason in result["reasons"])


def test_rw015_small_night_trade_is_release_candidate() -> None:
    result = assess_alert_list_item({
        "alert_no": "ALERT-015",
        "rule_codes": ["RW-015"],
    })

    assert result["verdict"] == "疑似误报"
    assert result["confidence"] == "中"