from app.services.mime_parser import parse_mime


def test_parse_mime_extracts_fallback_sender_bodies_and_attachments():
    raw = (
        b"From: sender@example.com\r\n"
        b"To: User <user@gentic.email>\r\n"
        b"Subject: Production test\r\n"
        b"Message-ID: <one@example.com>\r\n"
        b"MIME-Version: 1.0\r\n"
        b'Content-Type: multipart/mixed; boundary="b"\r\n\r\n'
        b"--b\r\nContent-Type: text/plain; charset=utf-8\r\n\r\nHello world\r\n"
        b"--b\r\nContent-Type: application/octet-stream\r\n"
        b'Content-Disposition: attachment; filename="sample.bin"\r\n\r\nabc\r\n'
        b"--b--\r\n"
    )

    parsed = parse_mime(raw)

    assert parsed["sender"] == {
        "name": "sender",
        "address": "sender@example.com",
    }
    assert parsed["subject"] == "Production test"
    assert parsed["snippet"] == "Hello world"
    assert parsed["body_text"] == "Hello world"
    assert parsed["attachments"][0]["filename"] == "sample.bin"
    assert parsed["attachments"][0]["size"] == 3