# MIT License

#

# Copyright (c) 2020 Jonathan Zernik

#

# Permission is hereby granted, free of charge, to any person obtaining a copy

# of this software and associated documentation files (the "Software"), to deal

# in the Software without restriction, including without limitation the rights

# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

# copies of the Software, and to permit persons to whom the Software is

# furnished to do so, subject to the following conditions:

#

# The above copyright notice and this permission notice shall be included in all

# copies or substantial portions of the Software.

#

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

# SOFTWARE.

import logging

from typing import Optional

from squeaknode.core.user_config import UserConfig

logger = logging.getLogger(__name__)

NODE_SETTINGS_USERNAME = "default"

class NodeSettings:

def __init__(self, squeak_db):

self.squeak_db = squeak_db

self.username = NODE_SETTINGS_USERNAME

def insert_user_config(self) -> Optional[str]:

user_config = UserConfig(username=self.username)

return self.squeak_db.insert_config(user_config)

def set_sell_price_msat(self, sell_price_msat: int) -> None:

self.insert_user_config()

if sell_price_msat < 0:

raise Exception("Sell price cannot be negative.")

self.squeak_db.set_config_sell_price_msat(

username=self.username,

sell_price_msat=sell_price_msat,

)

def clear_sell_price_msat(self) -> None:

self.insert_user_config()

self.squeak_db.clear_config_sell_price_msat(

username=self.username,

)

def get_sell_price_msat(self) -> Optional[int]:

user_config = self.squeak_db.get_config(

username=self.username,

)

if user_config is None:

return None

return user_config.sell_price_msat