import click
import mongocrawler
import rq
import redis
import sys
import os

REDIS_URL= os.getenv("REDIS_URL","redis://localhost:6379/")
QUEUES=os.getenv("QUEUES","high,default,low")

@click.group()
def cli():
    pass

@cli.command()
def createdb():
    mongocrawler.createdb()

@cli.command()
@click.argument("link")
def parseurl(link):
    mongocrawler.parseurl(link)

@cli.command()
@click.argument("link")
def externaldomains(link):
    mongocrawler.externaldomains(link)

@cli.command()
@click.argument("start_link")
def classify(start_link):
    mongocrawler.classify(start_link)

@cli.command()
@click.argument("hostname")
def visit(hostname):
    mongocrawler.visit(hostname)

@cli.command()
def summary():
    mongocrawler.crawl_summary()

@cli.command()
def sampledomains():
    mongocrawler.sample_domains()


@cli.command(help="Enqueue a list of links into redis queue for crawling")
def enqueue():
    # TODO: select queues
    q = rq.Queue(connection=redis.from_url(REDIS_URL))
    for l in sys.stdin:
        print(l.strip())
        r = q.enqueue(mongocrawler.visit, l.strip())
        print(r)

@cli.command()
def importhtml():
    mongocrawler.import_html()

if __name__ == "__main__":
    cli()