#!/usr/bin/env python
# -*- coding: utf-8 -*-

import requests
import json
import time

class PageInsight() :

    token = ""
    data = {}
    page_insight = {}
    page_dscp = {'page_fans/lifetime': 'Lifetime_Total_Likes',
                 'page_impressions_unique/day': 'Daily_Total_Reach',
                 'page_engaged_users/day': 'Daily_Page_Engaged_Users',
                 'page_storytellers_by_story_type/day': 'Daily_Talking_About_This_By_Story_Type',
                 'page_impressions_unique/week': 'Weekly_Total_Reach',
                 'page_engaged_users/week': 'Weekly_Page_Engaged_Users',
                 'page_storytellers_by_story_type/week': 'Weekly_Talking_About_This_By_Story_Type'}

    def __init__(self, token):
        self.token = token.getToken()

    def getPageInsight(self, page_id, item):

        for i in item:
            time.sleep(0.5)
            url = 'https://graph.facebook.com/v2.5/%s/insights/%s?debug=all&method=get&pretty=0&suppress_http_code=1&since=%d&until=%d%s' \
                  % (page_id, i, int(time.time()), int(time.time()) + 12 * 60 * 60, self.token)
            txt = requests.get(url).text
            self.data = json.loads(txt)

            try:
                name = str(self.data['data'][0]['title'])
                val = self.data['data'][0]['values'][0]['value']
                if type(val) == type({}):
                    val = sum(val.values())
                self.page_insight[name] = str(val)
            except:
                self.page_insight[self.page_dscp[i].replace("_", " ")] = 0
        return self.page_insight

    def getPageInsightByKey(self, key):

        key_x = key.replace("_", " ")

        try:
            result = self.page_insight[key_x]
        except:
            result = 0
        return result