Calculates the leadership board.

data.rb

team_data = [
  {
    home_team: "Patriots",
    away_team: "Broncos",
    home_score: 7,
    away_score: 3
  },
  {
    home_team: "Broncos",
    away_team: "Colts",
    home_score: 3,
    away_score: 0
  },
  {
    home_team: "Patriots",
    away_team: "Colts",
    home_score: 11,
    away_score: 7
  },
  {
    home_team: "Steelers",
    away_team: "Patriots",
    home_score: 7,
    away_score: 21
  },
  {
    home_team: "Eagles",
    away_team: "Colts",
    home_score: 17,
    away_score: 1
  },
  {
    home_team: "Steelers",
    away_team: "Colts",
    home_score: 7,
    away_score: 11
  }
]

@record = Hash.new([0,0]) 
team_data.count
i = 0 

score_board = {
  "Patriots" => [0, 0],
  "Colts"    => [0, 0],
  "Broncos"  => [0, 0],
  "Steelers" => [0, 0],
  "Eagles"   => [0, 0]
}

while i < team_data.count 
  if team_data[i][:home_score] > team_data[i][:away_score]
    winner = team_data[i][:home_team]
    score_board[winner][0] += 1

    loser = team_data[i][:away_team]
    score_board[loser][1] += 1
  else
    winner = team_data[i][:away_team]
    score_board[winner][0] += 1

    loser = team_data[i][:home_team]
    score_board[loser][1] += 1
  end
  i += 1
end

puts "The record is"
score_board = score_board.sort_by { |team, record| [team, record] }
sorted_score_board = score_board.sort do |team1, team2|
 team2[1][0] <=> team1[1][0] 
 end

puts sorted_score_board

data2.rb

team_data = [
  {
    home_team: "Patriots",
    away_team: "Broncos",
    home_score: 7,
    away_score: 3
  },
  {
    home_team: "Broncos",
    away_team: "Colts",
    home_score: 3,
    away_score: 1
  },
  {
    home_team: "Patriots",
    away_team: "Colts",
    home_score: 11,
    away_score: 7
  },
  {
    home_team: "Eagles",
    away_team: "Colts",
    home_score: 21,
    away_score: 7
  }
]

#ideal output
#rank = {
#  patriots: { win: , loss:  },
#  eagles:   { win: , loss:  },
#  cowboys:  { win: , loss:  }
#  }
#
leader_board = {} 

def win_loss(team_data, leader_board)
  if team_data[:home_score] > team_data[:away_score]
    leader_board[team_data[:home_team]] = { win: 0, loss: 0 } if leader_board[team_data[:home_team]] == nil 
    leader_board[team_data[:home_team]][:win] += 1
    leader_board[team_data[:away_team]] = { win: 0, loss: 0 } if leader_board[team_data[:away_team]] == nil 
    leader_board[team_data[:away_team]][:loss] += 1
  else
    leader_board[team_data[:away_team]] = { win: 0, loss: 0 } if leader_board[team_data[:away_team]] == nil  
    leader_board[team_data[:away_team]][:loss] += 1
    leader_board[team_data[:home_team]] = { win: 0, loss: 0 } if leader_board[team_data[:home_team]] == nil 
    leader_board[team_data[:home_team]][:win] += 1
  end
end

def analyze_game(team_data, leader_board) 
  team_data.each do |game|
    win_loss(game, leader_board)
  end
    puts standing(leader_board).reverse
end

def standing(leader_board)
  leader_board.sort_by { |key, values| values[:win] }
end

analyze_game(team_data, leader_board)