"""Smoke tests for the Streamlit app."""

import pytest
from pathlib import Path
import sys


class TestAppImports:
    """Test that app can be imported without errors."""

    def test_yaml_importable(self):
        """YAML library is available."""
        import yaml
        assert yaml is not None

    def test_pandas_importable(self):
        """Pandas is available."""
        import pandas as pd
        assert pd is not None

    def test_plotly_importable(self):
        """Plotly is available."""
        import plotly.graph_objects as go
        assert go is not None


class TestConfigLoading:
    """Test that product configs can be loaded."""

    def test_products_directory_exists(self, products_dir):
        """Products directory exists."""
        assert products_dir.exists()
        assert products_dir.is_dir()

    def test_at_least_one_product(self, all_configs):
        """At least one product config exists."""
        assert len(all_configs) > 0

    def test_besafe_config_loadable(self, besafe_config):
        """BeSafe config loads successfully."""
        assert besafe_config is not None
        assert "product" in besafe_config

    def test_hamax_config_loadable(self, hamax_config):
        """Hamax config loads successfully."""
        assert hamax_config is not None
        assert "product" in hamax_config


class TestProductDetails:
    """Test product-specific details are correct."""

    def test_besafe_is_car_seat(self, besafe_config):
        """BeSafe is categorized as car seat."""
        assert besafe_config["product"]["category"] == "car_seat"

    def test_hamax_is_bicycle_trailer(self, hamax_config):
        """Hamax is categorized as bicycle trailer."""
        assert hamax_config["product"]["category"] == "bicycle_trailer"

    def test_products_have_images(self, all_configs):
        """All products have image URLs."""
        for name, config in all_configs.items():
            assert "image_url" in config["product"], f"{name}: Missing image_url"
            assert config["product"]["image_url"].startswith("http"), \
                f"{name}: image_url should be a URL"

    def test_products_have_features(self, all_configs):
        """All products have feature lists."""
        for name, config in all_configs.items():
            assert "features" in config["product"], f"{name}: Missing features"
            assert len(config["product"]["features"]) > 0, f"{name}: Empty features list"