"""Unit tests for Tracksolid signing — no network."""

import hashlib

from app.tracksolid.client import sign_params


def test_sign_params_docs_example() -> None:
    secret = "c0aa0226fddc4365a3c67fef45427f8a"
    params = {
        "app_key": "8FB345B8693CCD00CE073CAB5F094009339A22A4105B6558",
        "expires_in": "7200",
        "format": "json",
        "method": "jimi.oauth.token.get",
        "sign_method": "md5",
        "timestamp": "2025-05-19 10:23:00",
        "user_id": "JMTEST123",
        "user_pwd_md5": "21218cca77804d2ba1922c33e0151105",
        "v": "1.0",
    }
    body = "".join(f"{k}{v}" for k, v in sorted(params.items()))
    expected_raw = f"{secret}{body}{secret}"
    expected_sig = hashlib.md5(expected_raw.encode()).hexdigest().upper()

    sig = sign_params(params, secret)

    assert sig == expected_sig
    assert len(sig) == 32
    assert sig == sig.upper()


def test_sign_params_alphabetical_invariance() -> None:
    secret = "secret"
    params = {"b": "2", "a": "1", "c": "3"}
    sig1 = sign_params(params, secret)
    sig2 = sign_params({"c": "3", "a": "1", "b": "2"}, secret)
    assert sig1 == sig2


def test_sign_params_handles_space_in_value() -> None:
    """Values like timestamp ('2025-05-19 10:23:00') include spaces; they
    should be signed verbatim, not url-encoded."""
    secret = "s"
    params = {"timestamp": "2025-05-19 10:23:00", "method": "x"}
    body = "method" + "x" + "timestamp" + "2025-05-19 10:23:00"
    expected = hashlib.md5(f"{secret}{body}{secret}".encode()).hexdigest().upper()
    assert sign_params(params, secret) == expected