#!/usr/bin/env python3
from watchnews import data, web, fetch, rss

import os
import argparse
import logging


logging.basicConfig(level=logging.INFO)


if __name__ == '__main__':
    parser = argparse.ArgumentParser(description='Process some integers.')
    parser.add_argument('--add', metavar='URL',
            help='add feed with URL')
    parser.add_argument('--update', action='store_true',
            help='Update all known feeds')
    parser.add_argument('--update-feed', type=int, metavar='ID',
            help='Update feed with ID')
    parser.add_argument('--remove', type=int, metavar='ID',
            help='Remove feed with ID')
    parser.add_argument('--list', action='store_true',
            help='List all registered feeds')
    parser.add_argument('--web', action='store_true',
            help='Run web interface')
    parser.add_argument('--web-debug', action='store_true',
            help='Run web interface in debug mode')
    parser.add_argument('--db', metavar='DBPATH',
            default=os.path.join(os.path.dirname(__file__), 'db.sqlite'),
            help='Path to sqlite database file')
    parser.add_argument('--rss', action='store_true',
            help='Dump a RSS feeds')

    args = parser.parse_args()

    data.init_sqlite(args.db)

    if args.update:
        for feed in data.Feed.select():
            try:
                fetch.update(feed)
            except Exception as e:
                logging.exception('Failed to update %s', feed.url)
    if args.update_feed:
        feed = data.Feed.get(data.Feed.id == args.update_feed)
        if feed:
            fetch.update(feed)
    if args.add:
        feed = data.Feed.create(url=args.add)
        print('Added {}'.format(feed))
    if args.remove:
        feed = data.Feed.get(data.Feed.id == args.remove)
        feed.delete_instance()
        print('Removed {}'.format(feed))
    if args.list:
        for feed in data.Feed.select().order_by(data.Feed.created_date):
            print('{0.id} - {1} - {0.title} - {0.url}'.format(
                feed, feed.created_date.strftime('%x %X')))
    if args.web:
        web.get_app().run(debug=args.web_debug)
    if args.rss:
        print(rss.rss())