"""Tests for the alphanumeric -> numeric TLE fallback."""

from __future__ import annotations

from odm import (
    TEMP_NORAD_MAX,
    TEMP_NORAD_MIN,
    coerce_norad_to_int,
    temp_tle_norad,
)


def test_temp_norad_stays_in_reserved_range():
    for ident in ("A1234", "ZZ-9999", "1998-067A", "X", ""):
        n = temp_tle_norad(ident)
        assert TEMP_NORAD_MIN <= n <= TEMP_NORAD_MAX


def test_temp_norad_is_deterministic():
    assert temp_tle_norad("A1234") == temp_tle_norad("A1234")
    assert temp_tle_norad("A1234") != temp_tle_norad("A1235")


def test_coerce_norad_to_int_passes_through_numerics():
    assert coerce_norad_to_int(25544) == 25544
    assert coerce_norad_to_int("25544") == 25544
    assert coerce_norad_to_int("  25544  ") == 25544


def test_coerce_norad_to_int_substitutes_for_alphanumeric():
    n = coerce_norad_to_int("A1234")
    assert TEMP_NORAD_MIN <= n <= TEMP_NORAD_MAX
    # Stable: second call returns the same number.
    assert coerce_norad_to_int("A1234") == n


def test_tle_from_gp_renders_for_alphanumeric_norad():
    """The TLE rendering must succeed even when NORAD_CAT_ID is non-numeric."""
    from odm import parse_tle, tle_from_gp

    iss = parse_tle(
        "ISS (ZARYA)",
        "1 25544U 98067A   24070.50000000  .00012345  00000-0  22000-3 0  9991",
        "2 25544  51.6400 200.0000 0001234  90.0000 270.0000 15.50000000400000",
    )
    gp = dict(iss.omm)
    gp["NORAD_CAT_ID"] = "A1234"  # alphanumeric future ID
    _, line1, line2 = tle_from_gp(gp)
    assert line1.startswith("1 ") and line2.startswith("2 ")
    # The 5-digit slot at chars 2-7 must contain the synthetic 9xxxx number.
    assert line1[2:7].isdigit()
    assert 90000 <= int(line1[2:7]) <= 99999
    assert line1[2:7] == line2[2:7]  # consistent across lines