# Description:
#   "facebook grabber."
#
# Dependencies:
#   None
#
# Configuration:
#   None
#
# Commands:
#   hubot show [me] mamacake - Display the daily meal of Mamacake
#
# Notes:
#   Show Daily Meal of Mamacake (Paris 18e)
#
# Author:
#   Adam Tahri (aka gotakk)

module.exports = (robot) ->

  robot.hear /show( me)? mamacake/i, (response) ->
    robot.http("https://graph.facebook.com/oauth/access_token?client_id=YOUR_CLIENT_ID&client_secret=YOUR_CLIENT_SECRET&grant_type=client_credentials")
    .get() (err, res, body) ->
        tab = body.split '='
        access_token = tab[1]
        robot.http("https://graph.facebook.com/v2.4/542218599184696/posts?fields=full_picture,message,created_time&access_token=" + access_token)
        .get() (err, res, body) ->
            data = JSON.parse body
            datetime = new Date(data.data[0]["created_time"])
            today = new Date()
            if datetime.getDay() is today.getDay()
                response.send data.data[0]["full_picture"]
            else
                response.send "No meal was posted yet"