# retoor <retoor@molodetz.nl>

from devplacepy.services.openai_gateway import opencode_zen


def test_opencode_id_has_the_expected_shape():
    value = opencode_zen._opencode_id()
    assert len(value) == opencode_zen._OPCODE_ID_LENGTH
    assert all(ch in opencode_zen._OPCODE_ID_ALPHABET for ch in value)


def test_opencode_ids_are_not_repeated():
    ids = {opencode_zen._opencode_id() for _ in range(50)}
    assert len(ids) == 50


def test_session_id_is_stable_across_calls():
    first = opencode_zen.opencode_impersonation_headers()
    second = opencode_zen.opencode_impersonation_headers()
    assert first["x-opencode-session"] == second["x-opencode-session"]
    assert first["x-opencode-session"].startswith("ses_")


def test_request_id_is_fresh_every_call():
    first = opencode_zen.opencode_impersonation_headers()
    second = opencode_zen.opencode_impersonation_headers()
    assert first["x-opencode-request"] != second["x-opencode-request"]
    assert first["x-opencode-request"].startswith("msg_")


def test_headers_include_the_expected_client_identity_fields():
    headers = opencode_zen.opencode_impersonation_headers()
    assert set(headers) == {
        "User-Agent",
        "x-opencode-client",
        "x-opencode-project",
        "x-opencode-session",
        "x-opencode-request",
    }
    assert headers["x-opencode-project"] == "global"