"""
 This file is part of nucypher.

 nucypher is free software: you can redistribute it and/or modify
 it under the terms of the GNU Affero General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.

 nucypher is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU Affero General Public License for more details.

 You should have received a copy of the GNU Affero General Public License
 along with nucypher.  If not, see <https://www.gnu.org/licenses/>.
"""

import pytest

from nucypher.characters.control.interfaces import BobInterface
from tests.utils.controllers import validate_json_rpc_response_data


def test_alice_rpc_character_control_create_policy(alice_rpc_test_client, create_policy_control_request):
    alice_rpc_test_client.__class__.MESSAGE_ID = 0
    method_name, params = create_policy_control_request
    request_data = {'method': method_name, 'params': params}
    rpc_response = alice_rpc_test_client.send(request=request_data)
    assert rpc_response.success is True
    assert rpc_response.id == 1

    try:
        bytes.fromhex(rpc_response.content['policy_encrypting_key'])
    except (KeyError, ValueError):
        pytest.fail("Invalid Policy Encrypting Key")

    # Confirm the same message send works again, with a unique ID
    request_data = {'method': method_name, 'params': params}
    rpc_response = alice_rpc_test_client.send(request=request_data)
    assert rpc_response.success is True
    assert rpc_response.id == 2

    # Send bad data to assert error returns (Request #3)
    alice_rpc_test_client.crash_on_error = False
    response = alice_rpc_test_client.send(request={'bogus': 'input'}, malformed=True)
    assert response.error_code == -32600

    # Send a bulk create policy request
    bulk_request = list()
    for i in range(50):
        request_data = {'method': method_name, 'params': params}
        bulk_request.append(request_data)

    rpc_responses = alice_rpc_test_client.send(request=bulk_request)
    for response_id, rpc_response in enumerate(rpc_responses, start=3):
        assert rpc_response.success is True
        assert rpc_response.id == response_id


def test_alice_rpc_character_control_derive_policy_encrypting_key(alice_rpc_test_client):
    method_name = 'derive_policy_encrypting_key'
    request_data = {'method': method_name, 'params': {'label': 'test'}}
    response = alice_rpc_test_client.send(request_data)
    assert response.success is True
    assert 'jsonrpc' in response.data


def test_alice_rpc_character_control_grant(alice_rpc_test_client, grant_control_request):
    method_name, params = grant_control_request
    request_data = {'method': method_name, 'params': params}
    response = alice_rpc_test_client.send(request_data)
    assert 'jsonrpc' in response.data


def test_bob_rpc_character_control_join_policy(bob_rpc_controller, join_control_request, enacted_federated_policy, federated_bob, federated_ursulas):

    for ursula in federated_ursulas:
        if ursula.checksum_address in enacted_federated_policy.treasure_map.destinations:
            # Simulate passing in a teacher-uri
            federated_bob.remember_node(ursula)
            break
    else:
        # Shouldn't happen
        raise Exception("No known Ursulas present in the treasure map destinations")

    method_name, params = join_control_request
    request_data = {'method': method_name, 'params': params}
    response = bob_rpc_controller.send(request_data)
    assert 'jsonrpc' in response.data


def test_enrico_rpc_character_control_encrypt_message(enrico_rpc_controller_test_client, encrypt_control_request):
    method_name, params = encrypt_control_request
    request_data = {'method': method_name, 'params': params}
    response = enrico_rpc_controller_test_client.send(request_data)
    assert 'jsonrpc' in response.data


def test_bob_rpc_character_control_retrieve(bob_rpc_controller, retrieve_control_request):
    method_name, params = retrieve_control_request
    request_data = {'method': method_name, 'params': params}
    response = bob_rpc_controller.send(request_data)
    assert validate_json_rpc_response_data(response=response,
                                           method_name=method_name,
                                           interface=BobInterface)