# tests/test_error_handling.py
import pytest


class TestErrorHandling:
    def test_invalid_json(self, client, auth_headers):
        """Test handling of invalid JSON"""
        response = client.post("/api/v1/product",
                               headers=auth_headers,
                               content="invalid json")

        assert response.status_code == 422  # Validation error

    def test_missing_required_fields(self, client, auth_headers):
        """Test handling of missing required fields"""
        response = client.post("/api/v1/product",
                               headers=auth_headers,
                               json={"title": "Test"})  # Missing product_id

        assert response.status_code == 422

    def test_invalid_authentication(self, client):
        """Test handling of invalid authentication"""
        response = client.get("/api/v1/product",
                              headers={"Authorization": "Bearer invalid_token"})

        assert response.status_code == 401  # Token is not valid

    def test_nonexistent_resource(self, client, auth_headers):
        """Test handling of nonexistent resource access"""
        response = client.get("/api/v1/product/NONEXISTENT", headers=auth_headers)
        assert response.status_code == 404

        response = client.get("/api/v1/shop/NONEXISTENT", headers=auth_headers)
        assert response.status_code == 404

    def test_duplicate_resource_creation(self, client, auth_headers, test_product):
        """Test handling of duplicate resource creation"""
        product_data = {
            "product_id": test_product.product_id,  # Duplicate ID
            "title": "Another Product"
        }

        response = client.post("/api/v1/product", headers=auth_headers, json=product_data)
        assert response.status_code == 400