hashketball.rb

require 'pry'

def game_hash
  {
    home: {
      team_name: "Brooklyn Nets",
      colors: ["Black", "White"],
      players: [
        {
          player_name: "Alan Anderson",
          number: 0,
          shoe: 16,
          points: 22,
          rebounds: 12,
          assists: 12,
          steals: 3,
          blocks: 1,
          slam_dunks: 1
        }, {
          player_name: "Reggie Evans",
          number: 30,
          shoe: 14,
          points: 12,
          rebounds: 12,
          assists: 12,
          steals: 12,
          blocks: 12,
          slam_dunks: 7
        }, {
          player_name: "Brook Lopez",
          number: 11,
          shoe: 17,
          points: 17,
          rebounds: 19,
          assists: 10,
          steals: 3,
          blocks: 1,
          slam_dunks: 15
        }, {
          player_name: "Mason Plumlee",
          number: 1,
          shoe: 19,
          points: 26,
          rebounds: 12,
          assists: 6,
          steals: 3,
          blocks: 8,
          slam_dunks: 5
        }, {
          player_name: "Jason Terry",
          number: 31,
          shoe: 15,
          points: 19,
          rebounds: 2,
          assists: 2,
          steals: 4,
          blocks: 11,
          slam_dunks: 1
        }
      ]
    },
    away: {
      team_name: "Charlotte Hornets",
      colors: ["Turquoise", "Purple"],
      players: [
        {
          player_name: "Jeff Adrien",
          number: 4,
          shoe: 18,
          points: 10,
          rebounds: 1,
          assists: 1,
          steals: 2,
          blocks: 7,
          slam_dunks: 2
        }, {
          player_name: "Bismak Biyombo",
          number: 0,
          shoe: 16,
          points: 12,
          rebounds: 4,
          assists: 7,
          steals: 7,
          blocks: 15,
          slam_dunks: 10
        }, {
          player_name: "DeSagna Diop",
          number: 2,
          shoe: 14,
          points: 24,
          rebounds: 12,
          assists: 12,
          steals: 4,
          blocks: 5,
          slam_dunks: 5
        }, {
          player_name: "Ben Gordon",
          number: 8,
          shoe: 15,
          points: 33,
          rebounds: 3,
          assists: 2,
          steals: 1,
          blocks: 1,
          slam_dunks: 0
        }, {
          player_name: "Brendan Haywood",
          number: 33,
          shoe: 15,
          points: 6,
          rebounds: 12,
          assists: 12,
          steals: 22,
          blocks: 5,
          slam_dunks: 12
        }
      ]
    }
  }
end

def num_points_scored(player_name)

  # SOLUTION 1 - naive
  # some_hash.each do |key, value|
  # game_hash.each do |team, team_data|
  #   team_data.each do |attr, data|
  #     if attr == :players
  #       found_player = data.find do |player|
  #         player[:player_name] == player_name
  #       end
  #
  #       if found_player
  #         return found_player[:points]
  #       end
  #     end
  #   end
  # end

  # SOLUTION 2 - good
  # game_hash.each do |team, team_data|
  #   team_data[:players].each do |player|
  #     if player[:player_name] == player_name
  #       return player[:points]
  #     end
  #   end
  # end

  # SOLUTION 3
  # get a list of all the players
  all_players = game_hash.values.collect do |team|
    team[:players]
  end.flatten

  # find the player whose name matches the argument 'player_name'
  # return that player's points
  all_players.each do |player|
    return player[:points] if player[:player_name] == player_name
  end
end