# Description:
#   Grab a headline from ESPN through querying hubot
#
# Dependencies:
#   None
#
# Configuration:
#   HUBOT_ESPN_ACCOUNT_KEY
#
# Commands:
#   hubot espn headline - Displays a random headline from ESPN.com
#   hubot espn mlb <name of team> - Displays ESPN.com MLB team homepage
#   hubot espn nfl <name of team> - Displays ESPN.com NFL team homepage
#   hubot espn nba <name of team> - Displays ESPN.com NBA team homepage
#   hubot espn nhl <name of team> - Displays ESPN.com NHL team homepage
#
# Author:
#   mjw56

espnApiKey = process.env.HUBOT_ESPN_ACCOUNT_KEY
unless espnApiKey
  throw "You must enter your HUBOT_ESPN_ACCOUNT_KEY in your environment variables"

module.exports = (robot) ->
  robot.respond /espn headline/i, (msg) ->
    search = escape(msg.match[2])
    msg.http('http://api.espn.com/v1/sports/news/headlines?apikey=' + espnApiKey)
      .get() (err, res, body) ->
        result = JSON.parse(body)

        if result.headlines.count <= 0
          msg.send "Couldn't find any headlines"
          return
        
        urls = [ ]
        for child in result.headlines
          urls.push(child.headline + "-  " + child.links.web.href)
          
        rnd = Math.floor(Math.random()*urls.length)
        msg.send urls[rnd]

  robot.respond /(espn)( mlb) (.*)/i, (msg) ->
    msg.http('http://api.espn.com/v1/sports/baseball/mlb/teams?apikey=' + espnApiKey)
      .get() (err, res, body) ->
        result = JSON.parse(body)
        getTeamPage msg, result, (url) ->
          msg.send url

  robot.respond /(espn)( nfl) (.*)/i, (msg) ->
      msg.http('http://api.espn.com/v1/sports/football/nfl/teams?apikey=' + espnApiKey)
        .get() (err, res, body) ->
          result = JSON.parse(body)
          getTeamPage msg, result, (url) ->
            msg.send url

  robot.respond /(espn)( nba) (.*)/i, (msg) ->
      msg.http('http://api.espn.com/v1/sports/basketball/nba/teams?apikey=' + espnApiKey)
        .get() (err, res, body) ->
          result = JSON.parse(body)
          getTeamPage msg, result, (url) ->
            msg.send url

  robot.respond /(espn)( nhl) (.*)/i, (msg) ->
      msg.http('http://api.espn.com/v1/sports/hockey/nhl/teams?apikey=' + espnApiKey)
        .get() (err, res, body) ->
          result = JSON.parse(body)
          getTeamPage msg, result, (url) ->
            msg.send url

getTeamPage = (msg, json, cb) ->
  found = off
  for child in json.sports[0].leagues[0].teams
            team = child.name.toLowerCase()
            city = child.location.toLowerCase()
            input = msg.match[3].toLowerCase()

            if team is input || city is input
              found = on
              cb 'Team news for the '+ child.location + ' ' + child.name + '- ' + child.links.web.teams.href

  if not found
    cb 'Could not find that team'