"""Mode contract bundle (MAS-WP-0010 T02/T03/T07): vendored copies, fixtures, flows,
and the gateway event schema checked against real gateway output."""
from pathlib import Path

import pytest

from mas_core.discovery import Response, discover
from mas_gateway.core import Resolver, build_event, message_meta_from_rfc822
from mas_modes import event_errors
from mas_modes import _load
from mas_modes.runner import EXPECT, STEPS, run_mode_corpus, undefined_keys

ROOT = Path(__file__).resolve().parents[1]
BUNDLE = ROOT / "mas-modes-v0.1-spec"
VENDORED = ROOT / "mas_modes"


@pytest.mark.parametrize("rel", sorted(str(p.relative_to(BUNDLE)) for p in BUNDLE.glob("*/*.*")))
def test_vendored_copy_matches_bundle(rel):
    assert (BUNDLE / rel).read_bytes() == (VENDORED / rel).read_bytes()


def test_flows_are_self_describing():
    doc = _load("conformance/flows.json")
    scenarios = _load("conformance/scenarios.json")["scenarios"]
    for flow in doc["flows"]:
        assert undefined_keys(flow) == [], flow["id"]
        assert flow["setup"] in doc["setups"] and flow["scenario"] in scenarios, flow["id"]
    text = (BUNDLE / "conformance/FLOWS.md").read_text()
    for key in STEPS | EXPECT:
        assert f"`{key}`" in text or f'"{key}"' in text, f"{key} is not defined in FLOWS.md"


def test_mode_corpus():
    rep = run_mode_corpus()
    assert rep.ok, rep.failures
    assert rep.passed >= 170


@pytest.mark.parametrize("recipient", [
    "ticket!callback@great-service.example", "ticket=GS-1+comments@great-service.example",
    "bernd.worsch@great-service.example", "ticket=PR42$4@great-service.example",
    "x@unknown.invalid"])
def test_gateway_events_match_schema(recipient):
    raw = (b"Authentication-Results: great-service.example; dmarc=pass header.from=example.net\r\n"
           b"From: c@example.net\r\nTo: x@great-service.example\r\nSubject: s\r\n\r\nbody\r\n")
    offline = lambda host, **kw: discover(host, transport=lambda u, t: Response(404, {}, b""))  # noqa: E731
    resolver = Resolver.with_statute_files(
        [ROOT / "examples/statute/great-service.example/.well-known/mas"], discover_fn=offline)
    event = build_event(recipient, message_meta_from_rfc822(raw, "great-service.example"), resolver)
    assert event_errors(event) == [], event