module BestNbaPlayersS18
    class BestNbaPlayersS18::Players
        attr_accessor :trend, :name, :team, :position, :statistics, :rank, :info
        @@all = []

        def self.all
            @@all
        end

        def initialize infos_hash
            infos_hash.each do |info, value|
                self.send("#{info}=",value)
            end
            @@all << self
        end

        def self.create_players_from_collection collection
            collection.each do |players|
                players.each {|infos_hash| new(infos_hash) }
            end
        end

        def self.find input
            all[input-1]
        end

        def self.sort(input = 1)
            # choice = ["rank","name","position","team","AGE","PPG","RPG","APG","STL","FG","FT","THREEPT","BLK"]
            choices = ["rank","AGE","PPG","RPG","APG","THREEPT","BLK","FT"]
            by_input = choices[input-1]
            if input > 1
                return sort_asc by_input, true if by_input == "AGE"
                return sort_desc by_input
            else
                return sort_asc by_input
            end
        end

        def self.sort_asc by_input, stats = false
            if !stats
                all.sort! do |player1, player2|
                    player1.send(by_input) <=> player2.send(by_input)
                end
                return by_input
            else
                all.sort! do |player1, player2|
                    player1.send("statistics")[by_input.to_sym] <=> player2.send("statistics")[by_input.to_sym]
                end
                return ["statistics",by_input]
            end
        end
        def self.sort_desc by_input, stats = false
            all.sort! do |player1, player2|
                player2.send("statistics")[by_input.to_sym] <=> player1.send("statistics")[by_input.to_sym]
            end
            return ["statistics",by_input]
        end

        def self.group by_input
            all.select do |player|
                player.trend == by_input
            end
        end

        def self.find_group index, by_input
            group(by_input)[index-1]
        end

    end
end