# Copyright (C) 2020-2024 Soleta Networks <opengnsys@soleta.eu>
#
# This program 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.

from cli.objects.client import OgClient
from cli.objects.scopes import OgScope
from cli.objects.modes import OgModes
from cli.objects.wol import OgWol
from cli.objects.images import OgImage
from cli.objects.disks import OgDisk
from cli.objects.poweroff import OgPoweroff
from cli.objects.reboot import OgReboot
from cli.objects.repo import OgRepo
from cli.objects.server import OgServer
from cli.objects.live import OgLive
from cli.objects.center import OgCenter
from cli.objects.room import OgRoom
from cli.objects.folder import OgFolder
from cli.objects.session import OgSession
from cli.config import cfg
import argparse
import requests
import sys


def _log_http_status_code(res):
    if res.status_code == 400:
        print('Error 400: invalid payload')
    elif res.status_code == 404:
        print('Error 404: object not found')
    elif res.status_code == 405:
        print('Error 405: method not allowed')
    elif res.status_code == 409:
        print('Error 409: object already exists')
    elif res.status_code == 423:
        print('Error 423: object in use')
    elif res.status_code == 501:
        print('Error 501: cannot connect to database')
    elif res.status_code == 507:
        print('Error 500: disk full')
    else:
        print(f'Received status code {res.status_code}')

class OgREST():
    def __init__(self, ip, port, api_token):
        if not ip or not port or not api_token:
            raise ValueError("IP, port, and API token must be provided.")
        self.URL = f'http://{ip}:{port}'
        self.HEADERS = {'Authorization': api_token}

    def _request(self, method, path, payload, expected_status):
        try:
            res = requests.request(
                method,
                f'{self.URL}{path}',
                headers=self.HEADERS,
                json=payload,
            )
            if res.status_code not in expected_status:
                _log_http_status_code(res)
                return None
            return res

        except requests.exceptions.ConnectionError:
            print("Cannot connect to ogserver")
        except requests.exceptions.Timeout:
            print("Request to ogserver timed out")
        except requests.exceptions.TooManyRedirects:
            print("Too many redirects occurred while contacting ogserver")
        except requests.exceptions.RequestException as e:
            print(f"An error occurred while contacting ogserver: {e}")
        return None

    def get(self, path, payload=None):
        return self._request('GET', path, payload, expected_status={200})

    def post(self, path, payload):
        return self._request('POST', path, payload, expected_status={200, 202})

    def delete(self, path, payload):
        return self._request('DELETE', path, payload, expected_status={200})


class OgCLI():
    def __init__(self):
        self.rest = OgREST(cfg['ip'], cfg['port'], cfg['api_token'])

    def list(self, args):
        choices = ['clients', 'scopes', 'modes', 'hardware',
                   'client', 'images', 'disks', 'servers', 'repos',
                   'live', 'lives']
        parser = argparse.ArgumentParser(prog='ogcli list')
        parser.add_argument('item', choices=choices)

        if not args:
            print('Missing list subcommand', file=sys.stderr)
            parser.print_help(file=sys.stderr)
            return 1

        parsed_args = parser.parse_args([args[0]])
        ret = 0
        if parsed_args.item == 'clients':
            ret = OgClient.list_clients(self.rest)
        elif parsed_args.item == 'client':
            ret = OgClient.get_client_properties(self.rest, args[1:])
        elif parsed_args.item == 'hardware':
            ret = OgClient.list_client_hardware(self.rest, args[1:])
        elif parsed_args.item == 'modes':
            ret = OgModes.list_available_modes(self.rest)
        elif parsed_args.item == 'scopes':
            ret = OgScope.list_scopes(self.rest, args[1:])
        elif parsed_args.item == 'images':
            ret = OgImage.list_images(self.rest)
        elif parsed_args.item == 'disks':
            ret = OgDisk.list_disks(self.rest, args[1:])
        elif parsed_args.item == 'repos':
            ret = OgRepo.list_repos(self.rest)
        elif parsed_args.item == 'servers':
            ret = OgServer.list_servers(self.rest)
        elif parsed_args.item in ['live', 'lives']:
            ret = OgLive.list_live(self.rest, args[1:])
        return ret

    def set(self, args):
        choices = ['modes', 'mode', 'repo', 'live', 'lives']
        parser = argparse.ArgumentParser(prog='ogcli set')
        parser.add_argument('item', choices=choices)

        if not args:
            print('Missing set subcommand', file=sys.stderr)
            parser.print_help(file=sys.stderr)
            return 1

        parsed_args = parser.parse_args([args[0]])
        ret = 0
        if parsed_args.item in ['modes', 'mode']:
            ret = OgModes.set_modes(self.rest, args[1:])
        elif parsed_args.item == 'repo':
            ret = OgRepo.set_repo(self.rest, args[1:])
        elif parsed_args.item in ['live', 'lives']:
            ret = OgLive.set_live(self.rest, args[1:])
        return ret

    def request(self, args):
        choices = ['reboot', 'refresh', 'poweroff', 'wol', 'session']
        parser = argparse.ArgumentParser(prog='ogcli request')
        parser.add_argument('request_obj', choices=choices)

        if not args:
            print('Missing request subcommand', file=sys.stderr)
            parser.print_help(file=sys.stderr)
            return 1

        parsed_args = parser.parse_args([args[0]])
        ret = 0
        if parsed_args.request_obj == 'wol':
            ret = OgWol.request_wol(self.rest, args[1:])
        elif parsed_args.request_obj == 'poweroff':
            ret = OgPoweroff.request_poweroff(self.rest, args[1:])
        elif parsed_args.request_obj == 'refresh':
            ret = OgClient.request_refresh(self.rest, args[1:])
        elif parsed_args.request_obj == 'reboot':
            ret = OgReboot.request_reboot(self.rest, args[1:])
        elif parsed_args.request_obj == 'session':
            ret = OgSession.request_session(self.rest, args[1:])
        return ret

    def restore(self, args):
        choices = ['image']
        parser = argparse.ArgumentParser(prog='ogcli restore')
        parser.add_argument('restore_obj', choices=choices)

        if not args:
            print('Missing restore subcommand', file=sys.stderr)
            parser.print_help(file=sys.stderr)
            return 1

        parsed_args = parser.parse_args([args[0]])
        ret = 0
        if parsed_args.restore_obj == 'image':
            ret = OgImage.restore_image(self.rest, args[1:])
        return ret

    def create(self, args):
        choices = ['image']
        parser = argparse.ArgumentParser(prog='ogcli create')
        parser.add_argument('create_obj', choices=choices)

        if not args:
            print('Missing create subcommand', file=sys.stderr)
            parser.print_help(file=sys.stderr)
            return 1

        parsed_args = parser.parse_args([args[0]])
        ret = 0
        if parsed_args.create_obj == 'image':
            ret = OgImage.create_image(self.rest, args[1:])
        return ret

    def setup(self, args):
        choices = ['disk']
        parser = argparse.ArgumentParser(prog='ogcli setup')
        parser.add_argument('setup_obj', choices=choices)

        if not args:
            print('Missing setup subcommand', file=sys.stderr)
            parser.print_help(file=sys.stderr)
            return 1

        parsed_args = parser.parse_args([args[0]])
        ret = 0
        if parsed_args.setup_obj == 'disk':
            ret = OgDisk.setup_disk(self.rest, args[1:])
        return ret

    def update(self, args):
        choices = ['image', 'repo', 'center', 'room', 'folder']
        parser = argparse.ArgumentParser(prog='ogcli update')
        parser.add_argument('update_obj', choices=choices)

        if not args:
            print('Missing update subcommand', file=sys.stderr)
            parser.print_help(file=sys.stderr)
            return 1

        parsed_args = parser.parse_args([args[0]])
        ret = 0
        if parsed_args.update_obj == 'image':
            ret = OgImage.update_image(self.rest, args[1:])
        elif parsed_args.update_obj == 'center':
            ret = OgCenter.update_center(self.rest, args[1:])
        elif parsed_args.update_obj == 'room':
            ret = OgRoom.update_room(self.rest, args[1:])
        elif parsed_args.update_obj == 'folder':
            ret = OgFolder.update_folder(self.rest, args[1:])
        elif parsed_args.update_obj == 'repo':
            ret = OgRepo.update_repo(self.rest, args[1:])
        return ret

    def delete(self, args):
        choices = ['server', 'repo', 'center', 'room', 'client', 'folder',
                   'live', 'lives']
        parser = argparse.ArgumentParser(prog='ogcli delete')
        parser.add_argument('delete_obj', choices=choices)

        if not args:
            print('Missing delete subcommand', file=sys.stderr)
            parser.print_help(file=sys.stderr)
            return 1

        parsed_args = parser.parse_args([args[0]])
        if parsed_args.delete_obj == 'server':
            ret = OgServer.delete_server(self.rest, args[1:])
        elif parsed_args.delete_obj == 'repo':
            ret = OgRepo.delete_repo(self.rest, args[1:])
        elif parsed_args.delete_obj == 'center':
            ret = OgCenter.delete_center(self.rest, args[1:])
        elif parsed_args.delete_obj == 'room':
            ret = OgRoom.delete_room(self.rest, args[1:])
        elif parsed_args.delete_obj == 'client':
            ret = OgClient.delete_client(self.rest, args[1:])
        elif parsed_args.delete_obj == 'folder':
            ret = OgFolder.delete_folder(self.rest, args[1:])
        elif parsed_args.delete_obj in ['live', 'lives']:
            ret = OgLive.delete_live(self.rest, args[1:])
        return ret

    def add(self, args):
        choices = ['server', 'repo', 'center', 'room', 'client', 'folder']
        parser = argparse.ArgumentParser(prog='ogcli add')
        parser.add_argument('add_obj', choices=choices)

        if not args:
            print('Missing add subcommand', file=sys.stderr)
            parser.print_help(file=sys.stderr)
            return 1

        parsed_args = parser.parse_args([args[0]])
        ret = 0
        if parsed_args.add_obj == 'server':
            ret = OgServer.add_server(self.rest, args[1:])
        elif parsed_args.add_obj == 'repo':
            ret = OgRepo.add_repo(self.rest, args[1:])
        elif parsed_args.add_obj == 'center':
            ret = OgCenter.add_center(self.rest, args[1:])
        elif parsed_args.add_obj == 'room':
            ret = OgRoom.add_room(self.rest, args[1:])
        elif parsed_args.add_obj == 'client':
            ret = OgClient.add_client(self.rest, args[1:])
        elif parsed_args.add_obj == 'folder':
            ret = OgFolder.add_folder(self.rest, args[1:])
        return ret

    def install(self, args):
        choices = ['live', 'lives']
        parser = argparse.ArgumentParser(prog='ogcli install')
        parser.add_argument('install_obj', choices=choices)

        if not args:
            print('Missing install subcommand', file=sys.stderr)
            parser.print_help(file=sys.stderr)
            return 1

        parsed_args = parser.parse_args([args[0]])
        ret = 0
        if parsed_args.install_obj in ['live', 'lives']:
            ret = OgLive.install_live(self.rest, args[1:])
        return ret