# Copyright 2023 highstreet technologies GmbH
#
# 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.

#!/usr/bin/python

"""
A Class representing an O-RAN distributed unit (ORanDu)
"""
from typing import overload
from network_generation.model.python.o_ran_object import IORanObject
from network_generation.model.python.o_ran_node import ORanNode
from network_generation.model.python.o_ran_termination_point import ORanTerminationPoint
import xml.etree.ElementTree as ET


# Define the "IORanDu" interface
class IORanDu(IORanObject):
    def __init__(self, o_ran_ru_count: int, **kwargs):
        super().__init__(**kwargs)
        self._o_ran_ru_count = o_ran_ru_count


# Define an abstract O-RAN Node class
class ORanDu(ORanNode, IORanDu):
    def __init__(self, o_ran_du_data: IORanDu = None, **kwargs):
        super().__init__(o_ran_du_data, **kwargs)
        self._o_ran_ru_count = (
            o_ran_du_data["oRanRuCount"] if o_ran_du_data and "oRanRuCount" in o_ran_du_data else 1
        )

    @property
    def termination_points(self) -> list[ORanTerminationPoint]:
        result: list[ORanTerminationPoint] = super().termination_points
        phy_tp: str = "-".join([self.name, "phy".upper()])
        result.append(ORanTerminationPoint({"id": phy_tp, "name": phy_tp}))
        for interface in ["e2", "o1", "ofhm", "ofhc", "ofhu","ofhs"]:
            id:str = "-".join([self.name, interface.upper()])
            result.append(ORanTerminationPoint({"id": id, "name":id, "supporter": phy_tp, "parent":self}))
        return result

    def to_topology_nodes(self) -> list[dict[str, dict]]:
        result: list[dict[str, dict]] = super().to_topology_nodes()
        return result

    def to_topology_links(self) -> list[dict[str, dict]]:
        result: list[dict[str, dict]] = super().to_topology_links()
        for interface in ["e2", "o1"]:
            link_id: str = "".join([interface, ":", self.name, "<->", self.parent.name])
            source_tp: str = "-".join([self.name, interface.upper()])
            dest_tp: str = "-".join([self.parent.name, interface.upper()])
            result.append(
                {
                    "link-id": link_id,
                    "source": {"source-node": self.name, "source-tp": source_tp},
                    "destination": {"dest-node": self.parent.name, "dest-tp": dest_tp},
                }
            )
        return result
    
    def toKml(self) -> ET.Element:
        o_ran_du: ET.Element = ET.Element("Folder")
        open: ET.Element = ET.SubElement(o_ran_du, "open")
        open.text = "1"
        name: ET.Element = ET.SubElement(o_ran_du, "name")
        name.text = self.name
        for tower in self.towers:
            o_ran_du.append(tower.toKml())
        return o_ran_du

    def toSvg(self) -> None:
        return None