test1.rb

class Shop < Event
	def initialize(hero)
		@shop = {"hammer" => [-8, 0, 6, 6, 0, 0, "The Magic Hammer"], "sword" => [-9, 0, 3, 3, 2, 20, "The Magic Sword"],
				 "shield" => [-7, 5, 0, 0, 0, 0, "The Magic Shield"], "boots" => [-5, 0, 0, 0, 6, 0, "The Magic Boots"],
				 "ring" => [-5, 0, 0, 0, 0, 30, "The Magic Ring"], "potion" => [-1, 0, 0, 0, 0, 0, "a health potion"]}
		@offer = "Whatchu want?: HAMMER, SWORD, SHIELD, BOOTS, RING, POTION.\n Or type EXIT to finish shopping."
		@stats = [hero.gold, hero.ac, hero.attack_range.min, hero.attack_range.max, hero.hit_chance, hero.crit_chance]
	end

	def upgrade(item)
		@stats.map.with_index{|x, i| x + @shop[item][i]}
	end

	def not_enough_gold(item)
		puts "I am sorry, you can't afford that! You have #{@stats[0]} gold left."
		puts "The #{@shop[item][6]} costs #{@shop[item][0].abs}!"
	end

	def enter(hero)
		puts "Shoppkeeper flavor text" # will describe what is for sale, and what it does.
		puts @offer
		input = prompt
		 while input != "exit"
		 	if input == "potion"
		 		if @stats[0] + @shop[input][0] >= 0
			 		@stats[0] -= 1
			 		hero.spells[:heal] += 1
			 		puts "You purchased #{@shop[input][6]}! You have #{@stats[0]} gold left!"
			 	else
			 		not_enough_gold(input)
			 	end
		 	elsif @shop[input] != nil
		 		if @stats[0] + @shop[input][0] >= 0
			 		puts "test: stats before purchase are: #{@stats}"
			 		@stats = upgrade(input)
			 		puts "test: stats after purchase are: #{@stats}"
			 		puts "You purchased #{@shop[input][6]}! You have #{@stats[0]} gold left!"
			 	else
			 		not_enough_gold(input)
			 	end
		 	else
		 		puts "Sorry, I don't have '%s' for sale!" % input
		 		puts @offer
		 	end
		 	if @stats[0] == 0
		 		puts "Looks like you spent all your gold! Come back when you have more, okay?"
		 		break
		 	end
		 	input = prompt
		 end
		hero.gold, hero.ac, min_att, max_att, hero.hit_chance, hero.crit_chance = @stats
		hero.attack_range = min_att..max_att
	end
end