import pytest

from reasoning_gym.cognition.figlet_fonts import FigletFontConfig, FigletFontCurriculum, FigletFontDataset


def test_figlet_config_validation():
    """Test that invalid configs raise appropriate errors"""
    with pytest.raises(AssertionError):
        config = FigletFontConfig(min_word_len=2, max_word_len=1)  # max_word_len < min_word_len
        config.validate()


def test_figlet_deterministic():
    """Test that dataset generates same items with same seed"""
    config = FigletFontConfig(seed=42, size=15)
    dataset1 = FigletFontDataset(config)
    dataset2 = FigletFontDataset(config)

    for i in range(15):  # Only check first 15 entries for speed
        assert dataset1[i] == dataset2[i]


def test_figlet():
    """Test basic properties and solution of generated items"""
    config = FigletFontConfig(size=40)
    dataset = FigletFontDataset(config)

    for item in dataset:
        assert isinstance(item, dict)
        assert "question" in item
        assert "answer" in item
        assert "metadata" in item

        # Check metadata contains required fields
        assert "font" in item["metadata"]

        # Test the scoring
        assert dataset.score_answer(answer=item["answer"], entry=item) == 1.0


def test_static_figlet():
    """Test basic properties and solution of generated items"""
    config = FigletFontConfig(static_word="TESTY", static_font="caligraphy", space_letters=False, size=15)
    dataset = FigletFontDataset(config)

    # Test partial scoring
    for item in dataset:
        assert dataset.score_answer(answer="TESTY", entry=item) == 1.0
        assert dataset.score_answer(answer="WESTY", entry=item) == 0.4
        assert dataset.score_answer(answer=None, entry=item) == 0


def test_figlet_curriculum():
    curriculum = FigletFontCurriculum()

    base_value = {"size": 150, "seed": 1}

    base_cfg: FigletFontConfig = curriculum.generate_configuration(base_value)
    assert base_cfg.seed == 1
    assert base_cfg.size == 150
    assert base_cfg.min_word_len == 3 and base_cfg.max_word_len == 5

    # test incrementing attribute levels
    curriculum.increment_attr_level("word_len")
    increased_cfg = curriculum.generate_configuration(base_value)
    assert increased_cfg.min_word_len == 3 and increased_cfg.max_word_len == 10

    # test decrementing attribute level
    curriculum.decrement_attr_level("word_len")
    partially_decreased_cfg = curriculum.generate_configuration(base_value)
    assert partially_decreased_cfg.min_word_len == 3 and partially_decreased_cfg.max_word_len == 5