"""Lambda test module."""

from unittest.mock import MagicMock

import pytest
from src import app as index
from src.app import BadRequest
from src.app import RedeemException


VALID_EVENT = {
    'voucher_code': 'awal',
    'voucher_code_owner': 'buvarov1@theorchard.com',
    'email': 'test@test.com',
    'source_id': 'wefo312312rf'
}


def test_handler_invalid_input():
    """Test handler function if there is a malformed event."""
    with pytest.raises(BadRequest):
        index._send_message = MagicMock()

        index.requests.post = MagicMock()
        index.handler({'dummy': 'input'}, None)


def test_handler_voucherify_not_returns_200():
    """Test handler function if Voucherify API returns not 200."""
    with pytest.raises(RedeemException):
        index._send_message = MagicMock()

        response_mock = MagicMock()
        response_mock.status_code = 400
        index.requests.post = MagicMock(return_value=response_mock)
        index.handler(VALID_EVENT, None)


def test_handler_redeem_status_is_not_success():
    """Test handler function if Voucherify returns not SUCCESS."""
    with pytest.raises(RedeemException):
        index._send_message = MagicMock()

        response_mock = MagicMock()
        response_mock.status_code = 200
        response_mock.json.return_value = {'result': 'NOT SUCCESS'}
        index.requests.post = MagicMock(return_value=response_mock)
        index.handler(VALID_EVENT, None)


def test_handler_valid_input():
    """Test handler function if happy path."""
    index._send_message = MagicMock()

    response_mock = MagicMock()
    response_mock.status_code = 200
    response_mock.json.return_value = {'result': 'SUCCESS'}
    index.requests.post = MagicMock(return_value=response_mock)

    result = index.handler(VALID_EVENT, {})
    assert result is None
    assert index._send_message.call_count == 1