# 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.

# inspired by https://github.com/rochacbruno/python-project-template

"""CLI interface for network_generation project.

Be creative! do whatever you want!

- Install click or typer and create a CLI app
- Use builtin argparse
- Start a web application
- Import things from your .base module
"""



"""
Module as entry point to generate an ietf topology json
"""
import os
import sys

from network_generation.view.network_viewer import NetworkViewer
from network_generation.base import NetworkGenerator
from network_generation.parameter_validator import ParameterValidator

def main():  # pragma: no cover
    """
    The main function executes on commands:
    `python -m network_generation`.

    """
    validator: ParameterValidator = ParameterValidator(sys.argv)

    if validator.is_valid():
        configuration = validator.configuration()
        generator = NetworkGenerator(configuration['network'])
        network = generator.generate()
        viewer = NetworkViewer(network)

        output_folder:str = configuration['output-folder']
        # If folder doesn't exist, then create it.
        if not os.path.isdir(output_folder):
            os.makedirs(output_folder)
            
        name: str = configuration['network']['name']

        # topology json
        if configuration['generation-tasks']['topology'] is True:
            filename: str = output_folder + "/" + name + "-operational.json"
            viewer.json().save(filename)

        # svg xml
        if configuration['generation-tasks']['svg'] is True:
            filename: str = output_folder + "/" + name + ".svg"
            viewer.svg(filename)

        # kml xml
        if configuration['generation-tasks']['kml'] is True:
            filename: str = output_folder + "/" + name + ".kml"
            viewer.kml(filename)

    else:
        print(validator.error_message())