from fastapi import FastAPI
from fastapi.testclient import TestClient
from pydantic import BaseModel

app = FastAPI()


class Product(BaseModel):
    name: str
    description: str = None
    price: float


@app.get("/product")
async def create_item(product: Product):
    return product


client = TestClient(app)


openapi_schema = {
    "openapi": "3.0.2",
    "info": {"title": "FastAPI", "version": "0.1.0"},
    "paths": {
        "/product": {
            "get": {
                "summary": "Create Item",
                "operationId": "create_item_product_get",
                "requestBody": {
                    "content": {
                        "application/json": {
                            "schema": {"$ref": "#/components/schemas/Product"}
                        }
                    },
                    "required": True,
                },
                "responses": {
                    "200": {
                        "description": "Successful Response",
                        "content": {"application/json": {"schema": {}}},
                    },
                    "422": {
                        "description": "Validation Error",
                        "content": {
                            "application/json": {
                                "schema": {
                                    "$ref": "#/components/schemas/HTTPValidationError"
                                }
                            }
                        },
                    },
                },
            }
        }
    },
    "components": {
        "schemas": {
            "HTTPValidationError": {
                "title": "HTTPValidationError",
                "type": "object",
                "properties": {
                    "detail": {
                        "title": "Detail",
                        "type": "array",
                        "items": {"$ref": "#/components/schemas/ValidationError"},
                    }
                },
            },
            "Product": {
                "title": "Product",
                "required": ["name", "price"],
                "type": "object",
                "properties": {
                    "name": {"title": "Name", "type": "string"},
                    "description": {"title": "Description", "type": "string"},
                    "price": {"title": "Price", "type": "number"},
                },
            },
            "ValidationError": {
                "title": "ValidationError",
                "required": ["loc", "msg", "type"],
                "type": "object",
                "properties": {
                    "loc": {
                        "title": "Location",
                        "type": "array",
                        "items": {"type": "string"},
                    },
                    "msg": {"title": "Message", "type": "string"},
                    "type": {"title": "Error Type", "type": "string"},
                },
            },
        }
    },
}


def test_openapi_schema():
    response = client.get("/openapi.json")
    assert response.status_code == 200, response.text
    assert response.json() == openapi_schema


def test_get_with_body():
    body = {"name": "Foo", "description": "Some description", "price": 5.5}
    response = client.get("/product", json=body)
    assert response.json() == body
