"""MAS gateway event to email-connect evidence ceiling (mas-email-evidence 0.1)."""

from mas_gateway.email_evidence import from_gateway_event


def event(**message):
    base = {"from": "a@example.org", "subject": "hello", "text": "body"}
    base.update(message)
    return {
        "mas_event_version": "0.1",
        "recipient": "ticket=GS-1@mas.coulomb.social",
        "mas": {"valid": True},
        "message": base,
    }


def test_ordinary_mail_is_mx_acceptance_only():
    got = from_gateway_event(event())
    assert got["outcome"] == "mx_accepted"
    assert got["event_type"] == "notification.endpoint.accepted"
    assert got["assessment_subclass"] == "undef.endpoint_accepted_only"
    assert got["evidence_ceiling"]["can_prove_human_awareness"] is False
    assert got["evidence_ceiling"]["max_positive_strength"] == "medium"


def test_reply_is_medium_and_does_not_prove_a_person_read_it():
    got = from_gateway_event(event(in_reply_to="<m@x>", text="I saw this"))
    assert got["outcome"] == "reply_received"
    assert got["evidence_strength"] == "medium"
    assert "does not prove" in got["normalized_meaning"]
    assert got["evidence_ceiling"]["can_prove_human_awareness"] is False


def test_automatic_reply_is_not_a_human_reply():
    got = from_gateway_event(event(in_reply_to="<m@x>", auto_submitted="auto-replied", text="away"))
    assert got["outcome"] == "out_of_office"
    assert got["event_type"] == "interaction.out_of_office_received"


def test_permanent_and_temporary_bounces():
    hard = from_gateway_event(event(**{
        "from": "mailer-daemon@mx.example",
        "subject": "Undelivered Mail Returned to Sender",
        "text": "Final-Recipient: rfc822; b@example.org\nStatus: 5.1.1\nuser unknown",
    }))
    soft = from_gateway_event(event(**{
        "from": "mailer-daemon@mx.example",
        "subject": "Delivery Status Notification",
        "text": "Final-Recipient: rfc822; b@example.org\nStatus: 4.2.2\nmailbox full",
    }))
    assert hard["outcome"] == "bounced_permanent"
    assert soft["outcome"] == "bounced_temporary"
    assert hard["evidence_ceiling"] == soft["evidence_ceiling"]


def test_a_non_event_makes_no_channel_claim():
    got = from_gateway_event({"hello": "no"})
    assert got["outcome"] == "parse_failed"
    assert got["evidence_strength"] == "none"
    assert got["recipient"] is None