"""Tests for Handlers."""

import json
from unittest.mock import MagicMock, patch

import pytest
from flask.testing import FlaskClient
from werkzeug.exceptions import BadRequest, Conflict, HTTPException, NotFound

from gridgen import (
    api,
    handlers,  # noqa
)


@pytest.fixture
def fixture_client() -> FlaskClient:
    """Create an api test client fixture."""
    return api.app.test_client()


def test_health(fixture_client: FlaskClient) -> None:
    """Test health handler."""
    response = fixture_client.get("/hello/")
    assert response.status_code == 200


@patch(
    "gridgen.logic.manager.validate",
    return_value={"product_nos": [], "errors": []},
)
def test_verify(mock_obj: MagicMock, fixture_client: FlaskClient) -> None:
    """Test verify handler."""
    result = fixture_client.get("/release/123")
    assert result.status_code == 200


@patch(
    "gridgen.logic.manager.synchronize",
    return_value="123456789",
)
def test_populate(mock_obj: MagicMock, fixture_client: FlaskClient) -> None:
    """Test populate handler."""
    result = fixture_client.post("/release/456")
    assert result.status_code == 200


@pytest.mark.parametrize(
    "mock_exception, status_code, message",
    [
        (NotFound("not found error"), 404, "not found error"),
        (BadRequest("bad request"), 400, "bad request"),
        (Conflict("conflict"), 409, "conflict"),
    ],
)
def test_http_exception_handler(
    mock_exception: HTTPException, status_code: int, message: str
) -> None:
    """Verify http_exception_handler returns correct status code and message."""
    server_response = handlers.http_exception_handler(mock_exception)
    server_response_json = json.loads(server_response.data.decode())

    assert server_response.status_code == status_code
    assert server_response_json["message"] == message
    assert server_response_json["code"] == message.replace(" ", "_")