from core.domain.normalization import generate_cdr_id, normalize_cdr, normalize_rat
from core.domain.validation import parse_raw_cdr


def test_normalize_valid_cdr() -> None:
    payload = {
        "raw_id": "raw-us-east-9988221",
        "src_ip": "10.240.12.1",
        "device_id": "310410998877665",
        "caller_num": "0019875551234",
        "svc": "4G_DATA",
        "up_bytes": 1048576,
        "down_bytes": 4194304,
        "rat": 6,
        "lac": "4021",
        "ci": "8812",
        "epoch_start": 1726070000,
        "epoch_end": 1726070300,
    }

    raw = parse_raw_cdr(payload)

    normalized = normalize_cdr(raw)

    assert normalized.raw_id == "raw-us-east-9988221"
    assert normalized.imsi == "310410998877665"
    assert normalized.msisdn == "+19875551234"

    assert normalized.service_type == "4G_DATA"
    assert normalized.radio_access_type == "LTE_4G"

    assert normalized.cell_id == "4021_8812"

    assert normalized.bytes_uploaded == 1048576
    assert normalized.bytes_downloaded == 4194304
    assert normalized.total_bytes == 5242880

    assert normalized.duration_seconds == 300

    assert str(normalized.source_ip) == "10.240.12.1"

def test_cdr_id_is_deterministic() -> None:
    first = generate_cdr_id("raw-123")
    second = generate_cdr_id("raw-123")

    assert first == second

def test_different_raw_ids_generate_different_cdr_ids() -> None:
    first = generate_cdr_id("raw-123")
    second = generate_cdr_id("raw-456")

    assert first != second

def test_rat_mapping() -> None:
    assert normalize_rat(1) == "3G"
    assert normalize_rat(6) == "LTE_4G"
    assert normalize_rat(9) == "5G_NR"

def test_missing_source_ip_defaults_to_zero_address() -> None:
    payload = {
        "raw_id": "raw-001",
        "device_id": "310410998877665",
        "caller_num": "0019875551234",
        "svc": "4G_DATA",
        "up_bytes": 100,
        "down_bytes": 200,
        "rat": 6,
        "lac": "4021",
        "ci": "8812",
        "epoch_start": 1726070000,
        "epoch_end": 1726070300,
    }

    raw = parse_raw_cdr(payload)
    normalized = normalize_cdr(raw)

    assert str(normalized.source_ip) == "0.0.0.0"