module ScoreScraper
  class Scraper
    def initialize(search_date = nil, teams = [])
      @teams = teams
      @search_date = search_date || Time.now.strftime("%Y-%m-%d")
    end

    def team_games
      team_games = []
      (games || []).each do |game|
        if teams.empty? || is_team_game?(game)
          team_games << ScoreScraper::Game.new({
            home_team: home_team(game),
            away_team: away_team(game),
            game_state: game_state(game)
          })
        end
      end

      team_games
    end

    private

    attr_reader :search_date, :teams

    def search_day
      @current_day ||= search_date.split('-')[2]
    end

    def search_month
      @current_month ||= search_date.split('-')[1]
    end

    def search_year
      @current_year ||= search_date.split('-')[0]
    end

    def formatted_url
      raise 'Must be implemented in child class'
    end

    def games
      raise 'Must be implemented in child class'
    end

    def abbreviation(game, is_home = false)
      raise 'Must be implemented in child class'
    end

    def away_team(game)
      get_game(game)
    end

    def city(game, is_home = false)
      raise 'Must be implemented in child class'
    end

    def get_game(game, is_home = false)
      ScoreScraper::Team.new({
        city: city(game, is_home),
        nickname: nickname(game, is_home),
        abbreviation: abbreviation(game, is_home),
        score: score(game, is_home)
      })
    end

    def game_state(game)
      raise 'Must be implemented in child class'
    end

    def home_team(game)
      get_game(game, true)
    end

    def nickname(game, is_home = false)
      raise 'Must be implemented in child class'
    end

    def score(game, is_home = false)
      raise 'Must be implemented in child class'
    end

    def is_team_game?(game)
      teams.include?(abbreviation(game, true).downcase) || teams.include?(abbreviation(game).downcase)
    end

    def parsed_data
      return @parsed_data unless @parsed_data.nil?

      file = open(formatted_url)
      file_data = file.read

      @parsed_data = JSON.parse(file_data)
    end
  end
end