"""Tests for utility functions."""

from datetime import timedelta

import pytest

from guardden.cogs.moderation import parse_duration


class TestParseDuration:
    """Tests for the parse_duration function."""

    def test_parse_seconds(self) -> None:
        """Test parsing seconds."""
        assert parse_duration("30s") == timedelta(seconds=30)
        assert parse_duration("1s") == timedelta(seconds=1)

    def test_parse_minutes(self) -> None:
        """Test parsing minutes."""
        assert parse_duration("5m") == timedelta(minutes=5)
        assert parse_duration("30m") == timedelta(minutes=30)

    def test_parse_hours(self) -> None:
        """Test parsing hours."""
        assert parse_duration("1h") == timedelta(hours=1)
        assert parse_duration("24h") == timedelta(hours=24)

    def test_parse_days(self) -> None:
        """Test parsing days."""
        assert parse_duration("7d") == timedelta(days=7)
        assert parse_duration("1d") == timedelta(days=1)

    def test_parse_weeks(self) -> None:
        """Test parsing weeks."""
        assert parse_duration("2w") == timedelta(weeks=2)
        assert parse_duration("1w") == timedelta(weeks=1)

    def test_invalid_format(self) -> None:
        """Test invalid duration formats."""
        assert parse_duration("invalid") is None
        assert parse_duration("") is None
        assert parse_duration("10") is None
        assert parse_duration("abc") is None

    def test_case_insensitive(self) -> None:
        """Test that parsing is case insensitive."""
        assert parse_duration("1H") == timedelta(hours=1)
        assert parse_duration("30M") == timedelta(minutes=30)