# tests/test_product.py
import pytest


class TestProductsAPI:

    def test_get_products_empty(self, client, auth_headers):
        """Test getting products when none exist"""
        response = client.get("/api/v1/product", headers=auth_headers)

        assert response.status_code == 200
        data = response.json()
        assert data["products"] == []
        assert data["total"] == 0

    def test_get_products_with_data(self, client, auth_headers, test_product):
        """Test getting products with data"""
        response = client.get("/api/v1/product", headers=auth_headers)

        assert response.status_code == 200
        data = response.json()
        assert len(data["products"]) == 1
        assert data["total"] == 1
        assert data["products"][0]["product_id"] == "TEST001"

    def test_get_products_with_filters(self, client, auth_headers, test_product):
        """Test filtering products"""
        # Test brand filter
        response = client.get("/api/v1/product?brand=TestBrand", headers=auth_headers)
        assert response.status_code == 200
        assert response.json()["total"] == 1

        # Test marketplace filter
        response = client.get("/api/v1/product?marketplace=Letzshop", headers=auth_headers)
        assert response.status_code == 200
        assert response.json()["total"] == 1

        # Test search
        response = client.get("/api/v1/product?search=Test", headers=auth_headers)
        assert response.status_code == 200
        assert response.json()["total"] == 1

    def test_create_product(self, client, auth_headers):
        """Test creating a new product"""
        product_data = {
            "product_id": "NEW001",
            "title": "New Product",
            "description": "A new product",
            "price": "15.99",
            "brand": "NewBrand",
            "gtin": "9876543210987",
            "availability": "in stock",
            "marketplace": "Amazon"
        }

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

        assert response.status_code == 200
        data = response.json()
        assert data["product_id"] == "NEW001"
        assert data["title"] == "New Product"
        assert data["marketplace"] == "Amazon"

    def test_create_product_duplicate_id(self, client, auth_headers, test_product):
        """Test creating product with duplicate ID"""
        product_data = {
            "product_id": test_product.product_id,
            "title": test_product.title,
            "description": "A new product",
            "price": "15.99",
            "brand": "NewBrand",
            "gtin": "9876543210987",
            "availability": "in stock",
            "marketplace": "Amazon"
        }

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

        # Debug output
        print(f"Status Code: {response.status_code}")
        print(f"Response Content: {response.content}")
        try:
            print(f"Response JSON: {response.json()}")
        except:
            print("Could not parse response as JSON")

        assert response.status_code == 400
        assert "already exists" in response.json()["detail"]

    def test_get_product_by_id(self, client, auth_headers, test_product):
        """Test getting specific product"""
        response = client.get(f"/api/v1/product/{test_product.product_id}", headers=auth_headers)

        assert response.status_code == 200
        data = response.json()
        assert data["product"]["product_id"] == test_product.product_id
        assert data["product"]["title"] == test_product.title

    def test_get_nonexistent_product(self, client, auth_headers):
        """Test getting nonexistent product"""
        response = client.get("/api/v1/product/NONEXISTENT", headers=auth_headers)

        assert response.status_code == 404

    def test_update_product(self, client, auth_headers, test_product):
        """Test updating product"""
        update_data = {
            "title": "Updated Product Title",
            "price": "25.99"
        }

        response = client.put(
            f"/api/v1/product/{test_product.product_id}",
            headers=auth_headers,
            json=update_data
        )

        assert response.status_code == 200
        data = response.json()
        assert data["title"] == "Updated Product Title"
        assert data["price"] == "25.99"

    def test_delete_product(self, client, auth_headers, test_product):
        """Test deleting product"""
        response = client.delete(
            f"/api/v1/product/{test_product.product_id}",
            headers=auth_headers
        )

        assert response.status_code == 200
        assert "deleted successfully" in response.json()["message"]

    def test_get_product_without_auth(self, client):
        """Test that product endpoints require authentication"""
        response = client.get("/api/v1/product")
        assert response.status_code == 401  # No authorization header