# -*- coding: utf-8 -*-
from subprocess import Popen, PIPE
import sys
import re

from processor import Processor
from decorators import simple_named_processor
from message import Message

class UrlgrepProcessor(Processor):
    limit = 3

    @simple_named_processor('urlgrep')
    def process(self, frm, text):
        if not text:
            return ''
        else:
            splitted = text.split(" ")
	    url = splitted[0]
	    pattern = " ".join(splitted[1:])
	    
        re_pattern = re.compile(re.escape(pattern), re.I)
        
        data = Popen(["lynx", "-dump", url], stdout=PIPE).communicate()[0]

        lines = []
        for line in data.splitlines():
            if re_pattern.search(line):
                lines.append(line)
            if len(lines) == self.limit:
                break
        return res