from __future__ import annotations

from app.prompts import build_system_prompt


def test_system_prompt_includes_rules_and_brand():
    p = build_system_prompt("TOORX Assist")
    assert "TOORX Assist" in p
    # language is the prominent RULE #1
    assert "RULE #1" in p
    assert "language" in p.lower()
    # a pinned language is forced verbatim
    pinned = build_system_prompt("X", language="portugués de Portugal (pt-PT)")
    assert "pt-PT" in pinned
    # anti-hallucination grounding
    assert "invent" in p.lower()
    # order verification (email + order number / postal code)
    assert "email" in p.lower() and "order number" in p.lower() and "postal code" in p.lower()
    assert "NEVER" in p  # no full address / payment
    # tools referenced by name
    assert "escalate_to_human" in p
    assert "search_knowledge" in p and "search_products" in p and "lookup_order" in p
    # no emojis + don't translate identifiers
    assert "emoji" in p.lower()
    assert "variant_ids" in p


def test_system_prompt_default_brand():
    assert "Asistente" in build_system_prompt("")


def test_prompt_channel_handoff_is_mutually_exclusive():
    web = build_system_prompt("X", channel="web")
    wa = build_system_prompt("X", channel="whatsapp")
    assert "show_form" in web and "WhatsApp" not in web
    assert "WhatsApp" in wa and "show_form" not in wa


def test_brand_name_braces_are_sanitized():
    # a brand name with { } must not break .format or inject placeholders
    p = build_system_prompt("Acme {evil}")
    assert "{evil}" not in p
    assert "Acme" in p