# -*- coding: utf-8 -*-
# ------------------------------------------------------------------------------
#
#   Copyright 2018-2019 Fetch.AI Limited
#
#   Licensed under the Apache License, Version 2.0 (the "License");
#   you may not use this file except in compliance with the License.
#   You may obtain a copy of the License at
#
#       http://www.apache.org/licenses/LICENSE-2.0
#
#   Unless required by applicable law or agreed to in writing, software
#   distributed under the License is distributed on an "AS IS" BASIS,
#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#   See the License for the specific language governing permissions and
#   limitations under the License.
#
# ------------------------------------------------------------------------------

"""
This module contains the classes required for dialogue management.

- OefSearchDialogue: The dialogue class maintains state of a dialogue and manages it.
- OefSearchDialogues: The dialogues class keeps track of all dialogues.
"""

from typing import Any

from aea.protocols.base import Message
from aea.protocols.dialogue.base import Dialogue as BaseDialogue
from aea.skills.base import Address, Model

from packages.fetchai.protocols.register.dialogues import (
    RegisterDialogue as BaseRegisterDialogue,
)
from packages.fetchai.protocols.register.dialogues import (
    RegisterDialogues as BaseRegisterDialogues,
)
from packages.fetchai.protocols.signing.dialogues import (
    SigningDialogue as BaseSigningDialogue,
)
from packages.fetchai.protocols.signing.dialogues import (
    SigningDialogues as BaseSigningDialogues,
)


RegisterDialogue = BaseRegisterDialogue


class RegisterDialogues(Model, BaseRegisterDialogues):
    """This class keeps track of all register dialogues."""

    def __init__(self, **kwargs: Any) -> None:
        """
        Initialize dialogues.

        :param agent_address: the address of the agent for whom dialogues are maintained
        :return: None
        """
        Model.__init__(self, **kwargs)

        def role_from_first_message(  # pylint: disable=unused-argument
            message: Message, receiver_address: Address
        ) -> BaseDialogue.Role:
            """Infer the role of the agent from an incoming/outgoing first message

            :param message: an incoming/outgoing first message
            :param receiver_address: the address of the receiving agent
            :return: The role of the agent
            """
            return BaseRegisterDialogue.Role.AGENT

        BaseRegisterDialogues.__init__(
            self,
            self_address=self.context.agent_address,
            role_from_first_message=role_from_first_message,
        )


SigningDialogue = BaseSigningDialogue


class SigningDialogues(Model, BaseSigningDialogues):
    """This class keeps track of all signing dialogues."""

    def __init__(self, **kwargs: Any) -> None:
        """
        Initialize dialogues.

        :param agent_address: the address of the agent for whom dialogues are maintained
        :return: None
        """
        Model.__init__(self, **kwargs)

        def role_from_first_message(  # pylint: disable=unused-argument
            message: Message, receiver_address: Address
        ) -> BaseDialogue.Role:
            """Infer the role of the agent from an incoming/outgoing first message

            :param message: an incoming/outgoing first message
            :param receiver_address: the address of the receiving agent
            :return: The role of the agent
            """
            return BaseSigningDialogue.Role.SKILL

        BaseSigningDialogues.__init__(
            self,
            self_address=str(self.skill_id),
            role_from_first_message=role_from_first_message,
        )
