#!/usr/bin/python3
# -*- coding: utf-8 -*-

import argparse
import os

from spoc import publisher
from spoc.cli import readable_size

ACTION_LIST = 1
ACTION_INSTALL = 2
ACTION_UPGRADE = 3
ACTION_UNINSTALL = 4
ACTION_START = 5
ACTION_STOP = 6
ACTION_STATUS = 7
ACTION_PUBLISH = 8
ACTION_UNPUBLISH = 9

def listing():
    raise NotImplementedException()

def install():
    raise NotImplementedException()

def upgrade():
    raise NotImplementedException()

def uninstall():
    raise NotImplementedException()

def start():
    raise NotImplementedException()

def stop():
    raise NotImplementedException()

def status():
    raise NotImplementedException()

def publish(composefile, do_publish):
    # Check if publishing is needed and attempt to publish the application
    app_name = os.path.basename(os.path.dirname(filepath))
    if not do_publish:
        try:
            publisher.get_app(app_name)
        except KeyError:
            do_publish = True
    if do_publish:
        print(f'Publishing application "{app_name}"')
        package = publisher.publish_app(app_name)['package']
        print(f'Application "{app_name}" compressed from {readable_size(package["size"])} to {readable_size(package["dlsize"])}')
    else:
        print(f'Application "{app_name}" already published, skipping publishing')

def unpublish():
    raise NotImplementedException()

parser = argparse.ArgumentParser(description='SPOC application manager')
parser.set_defaults(action=None)
subparsers = parser.add_subparsers()

parser_list = subparsers.add_parser('list')
parser_list.set_defaults(action=ACTION_LIST)
parser_list.add_argument('type', choices=('installed', 'online', 'upgrades', 'published'), default='installed', const='installed', nargs='?')

parser_install = subparsers.add_parser('install')
parser_install.set_defaults(action=ACTION_INSTALL)
parser_install.add_argument('app')

parser_upgrade = subparsers.add_parser('upgrade')
parser_upgrade.set_defaults(action=ACTION_UPGRADE)
parser_upgrade.add_argument('app')

parser_uninstall = subparsers.add_parser('uninstall')
parser_uninstall.set_defaults(action=ACTION_UNINSTALL)
parser_uninstall.add_argument('app')

parser_start = subparsers.add_parser('start')
parser_start.set_defaults(action=ACTION_START)
parser_start.add_argument('app')

parser_stop = subparsers.add_parser('stop')
parser_stop.set_defaults(action=ACTION_STOP)
parser_stop.add_argument('app')

parser_status = subparsers.add_parser('status')
parser_status.set_defaults(action=ACTION_STATUS)
parser_status.add_argument('app')

parser_publish = subparsers.add_parser('publish')
parser_publish.set_defaults(action=ACTION_PUBLISH)
parser_publish.add_argument('-f', '--force', action='store_true', help='Force republish already published application')
parser_publish.add_argument('file')

parser_unpublish = subparsers.add_parser('unpublish')
parser_unpublish.set_defaults(action=ACTION_UNPUBLISH)
parser_unpublish.add_argument('app')

args = parser.parse_args()

if args.action == ACTION_LIST:
    listing(args.type)
elif args.action == ACTION_INSTALL:
    install(args.app)
elif args.action == ACTION_UPGRADE:
    upgrade(args.app)
elif args.action == ACTION_UNINSTALL:
    uninstall(args.app)
elif args.action == ACTION_START:
    start(args.app)
elif args.action == ACTION_STOP:
    stop(args.app)
elif args.action == ACTION_STATUS:
    status(args.app)
elif args.action == ACTION_PUBLISH:
    publish(args.file, args.force)
elif args.action == ACTION_UNPUBLISH:
    unpublish(args.app)
else:
    parser.print_usage()