import datetime
from random import randint

from django.core.exceptions import ObjectDoesNotExist
from django.template.defaultfilters import striptags
from django.core.mail import EmailMessage
from django.conf import settings
from django.core.mail import send_mail

from links.models import Link

import requests
import json


def sync_pinboard_links():
    PB_URL = "https://api.pinboard.in/v1/posts/all?results=70&format=json"
    r = requests.get(PB_URL, auth=((settings.PIN_USER, settings.PIN_PASS)))
    links = json.loads(r.text)
    for link in links:
        try:
            # check to see if link exists
            row = Link.objects.get(url=link['href'])
            print("already have" + row.title)
        except ObjectDoesNotExist:
            md = get_markdown(link['href'])
            l, created = Link.objects.get_or_create(
                title=link['description'],
                url=link['href'],
                description=link['extended'],
                pub_date=datetime.datetime.strptime(link['time'], "%Y-%m-%dT%H:%M:%SZ"),
                status=0,
                body_markdown=md['markdown']
            )
            if created:
                print(l.title)
                for t in link['tags'].split(" "):
                    l.tags.add(t)
            email_link(l)


def get_markdown(source):
    url = "http://heckyesmarkdown.com/go/?read=1&preview=0&showframe=0&output=json&u=%s" % (source)
    r = requests.get(url, timeout=15.001)
    data = r.json()
    return data


def email_link(link):
    """
    Sends an imported link to Gmail (never hurts to have backups)
    """
    subject = "[link] %s" % link.title
    body = "%s\n\n%s\n\n\nvisit site:%s\n" % (link.title, link.description, link.url)
    #msg = EmailMessage(subject, striptags(body), 'sng@luxagraf.net', ['sng@luxagraf.net'])
    send_mail(
        subject,
        body,    
        'sng@luxagraf.net',
        ['sng@luxagraf.net']
    )


def random_link():
    total = Link.objects.all().count()
    pk = randint(1, total)
    try:
        link = Link.objects.get(pk=pk)
    except:
        try:
            link = Link.objects.get(pk=pk+1)
        except:
            link = Link.objects.get(pk=pk+91)
    subject = "today's link: %s" % link.title
    body = "%s\n\n%s\n\n\nvisit site:%s\n\n\ndelete link: https://live.luxagraf.net/admin/links/link/%s/" % (link.title, link.description, link.url, link.pk)

    msg = EmailMessage(subject, striptags(body), 'sng@luxagraf.net', ['sng@luxagraf.net'])
    msg.send()