"""Unit tests for the emoji filtering regex."""

from __future__ import annotations

import os
from pathlib import Path

import pytest


os.environ.setdefault("CONFIG_YAML", str(Path(__file__).resolve().parents[1] / "config.yaml"))

from va_agent.governance import GovernancePlugin


def _make_plugin() -> GovernancePlugin:
    plugin = object.__new__(GovernancePlugin)
    plugin._combined_pattern = plugin._get_combined_pattern()
    return plugin


@pytest.fixture()
def plugin() -> GovernancePlugin:
    return _make_plugin()


@pytest.mark.parametrize(
    ("original", "expected_clean", "expected_removed"),
    [
        ("Hola 🔪 mundo", "Hola  mundo", ["🔪"]),
        ("No 🔪💀🚬 permitidos", "No  permitidos", ["🔪", "💀", "🚬"]),
        ("Dedo 🖕 grosero", "Dedo  grosero", ["🖕"]),
        ("Dedo 🖕🏾 grosero", "Dedo  grosero", ["🖕🏾"]),
        ("Todo Amor: 👩‍❤️‍👨 | 👩‍❤️‍👩 | 🧑‍❤️‍🧑 | 👨‍❤️‍👨 | 👩‍❤️‍💋‍👨 | 👩‍❤️‍💋‍👩 | 🧑‍❤️‍💋‍🧑 | 👨‍❤️‍💋‍👨", "Todo Amor:  |  |  |  |  |  |  |", ["👩‍❤️‍👨", "👩‍❤️‍👩", "🧑‍❤️‍🧑", "👨‍❤️‍👨", "👩‍❤️‍💋‍👨", "👩‍❤️‍💋‍👩", "🧑‍❤️‍💋‍🧑", "👨‍❤️‍💋‍👨"]),
        ("Amor 👩🏽‍❤️‍👨🏻 bicolor", "Amor  bicolor", ["👩🏽‍❤️‍👨🏻"]),
        ("Beso 👩🏻‍❤️‍💋‍👩🏿 bicolor gay", "Beso  bicolor gay", ["👩🏻‍❤️‍💋‍👩🏿"]),
        ("Emoji compuesto permitido 👨🏽‍💻", "Emoji compuesto permitido 👨🏽‍💻", []),
    ],
)
def test_remove_emojis_blocks_forbidden_sequences(
    plugin: GovernancePlugin,
    original: str,
    expected_clean: str,
    expected_removed: list[str],
) -> None:
    cleaned, removed = plugin._remove_emojis(original)

    assert cleaned == expected_clean
    assert removed == expected_removed


def test_remove_emojis_preserves_allowed_people_with_skin_tones(
    plugin: GovernancePlugin,
) -> None:
    original = "Persona 👩🏽 hola"

    cleaned, removed = plugin._remove_emojis(original)

    assert cleaned == original
    assert removed == []


def test_remove_emojis_trims_whitespace_after_removal(
    plugin: GovernancePlugin,
) -> None:
    cleaned, removed = plugin._remove_emojis("   🔪Hola🔪   ")

    assert cleaned == "Hola"
    assert removed == ["🔪", "🔪"]