class Encounter

# File lib/encounters/encounter.rb, line 5
def initialize( monster, amount, id = nil, xp_value = nil )
  @monster = monster
  @amount = amount
  @xp_value = xp_value ? xp_value : encounter_xp_value.to_i
  @id = id ? id : ( monster.key.to_s + '_' + amount.to_s ).to_sym
end

# File lib/encounters/encounter.rb, line 16
def to_hash
  { id: @id, monster_key: @monster.key, amount: @amount, xp_value: @xp_value }
end

# File lib/encounters/encounter.rb, line 12
def to_s
  "#{@amount} #{@monster.name}"
end

# File lib/encounters/encounter.rb, line 22
def encounter_xp_value
  1.upto(@amount).map{ @monster.xp_value }.reduce(&:+) * get_encounter_multiplier
end

# File lib/encounters/encounter.rb, line 26
def get_encounter_multiplier
  count = @amount
  mul = 1
  mul = 1.5 if count >= 2
  mul = 2 if count >= 3
  mul = 2.5 if count >= 7
  mul = 3 if count >= 11
  mul = 4 if count >= 15
  mul
end