"""Memory scope, triviality and visibility — blueprint 1.3, 6.9, 11 and master prompt 4.5."""

import pytest

from brain.memory.scope import forced_scope, parse_extraction
from brain.memory.trivial import is_trivial
from brain.persona.types import Mode, Scope
from brain.visibility import can_see, visible_for

# --- Extraction parsing ----------------------------------------------------


def test_a_shared_fact_is_parsed():
    fact = parse_extraction("shared|His sister's name is Ria.", Mode.GF)
    assert fact.scope is Scope.SHARED
    assert fact.content == "His sister's name is Ria."


def test_a_private_fact_is_parsed():
    fact = parse_extraction("private|He calls her shona when tired.", Mode.GF)
    assert fact.scope is Scope.PRIVATE


@pytest.mark.parametrize("raw", ["NONE", "none", "NONE.", '"NONE"', "", "   "])
def test_none_means_nothing_to_remember(raw):
    assert parse_extraction(raw, Mode.GF) is None


def test_a_missing_scope_defaults_to_private():
    # Blueprint 6.9: parse defensively, default to private when unsure.
    fact = parse_extraction("He likes rain.", Mode.GF)
    assert fact.scope is Scope.PRIVATE
    assert fact.content == "He likes rain."


@pytest.mark.parametrize("scope", ["gf", "SHARD", "public", "Shared?", "romantic"])
def test_any_unrecognised_scope_is_private(scope):
    assert parse_extraction(f"{scope}|He likes rain.", Mode.GF).scope is Scope.PRIVATE


def test_normal_mode_facts_are_always_shared_whatever_the_extractor_said():
    fact = parse_extraction("private|He has a client call on Thursday.", Mode.NORMAL)
    assert fact.scope is Scope.SHARED


def test_only_the_first_line_counts():
    fact = parse_extraction("shared|He hates coriander.\nHope that helps!", Mode.GF)
    assert fact.content == "He hates coriander."


def test_an_overlong_fact_is_rejected():
    assert parse_extraction("shared|" + "word " * 100, Mode.GF) is None


def test_an_empty_fact_after_the_scope_is_rejected():
    assert parse_extraction("shared|", Mode.GF) is None


def test_remember_tool_in_normal_mode_is_forced_shared():
    assert forced_scope("private", Mode.NORMAL) is Scope.SHARED


def test_remember_tool_in_gf_mode_respects_the_request():
    assert forced_scope("shared", Mode.GF) is Scope.SHARED
    assert forced_scope("private", Mode.GF) is Scope.PRIVATE


def test_remember_tool_with_no_scope_defaults_to_shared():
    # He said "remember my dentist is on Friday": an explicit request with nothing private in it.
    assert forced_scope(None, Mode.GF) is Scope.SHARED


# --- Triviality ------------------------------------------------------------


@pytest.mark.parametrize("message", ["ok", "hmm", "haha", "thik ache", "OK!", "hm ok", "  k  "])
def test_filler_is_trivial(message):
    assert is_trivial(message) is True


@pytest.mark.parametrize(
    "message", ["amar sister er naam Ria", "client call ta kobe?", "aaj khub tired lagche"]
)
def test_real_messages_are_not_trivial(message):
    assert is_trivial(message) is False


# --- Visibility ------------------------------------------------------------


MESSAGES = [
    {"id": 1, "mode": "normal", "content": "report ready?"},
    {"id": 2, "mode": "gf", "content": "miss korchi"},
    {"id": 3, "mode": "normal", "content": "call at 3"},
]


def test_normal_mode_sees_normal_messages_only():
    assert [m["id"] for m in visible_for(Mode.NORMAL, MESSAGES)] == [1, 3]


def test_gf_mode_sees_everything():
    assert [m["id"] for m in visible_for(Mode.GF, MESSAGES)] == [1, 2, 3]


def test_can_see_accepts_the_enum_or_its_value():
    assert can_see(Mode.NORMAL, Mode.GF) is False
    assert can_see(Mode.NORMAL, "normal") is True