require "coin_toss/version"

module CoinToss
	system ('clear')
	def toss (a)
		x = ["TAILS", "HEADS"]
		y = x.sample
		puts "It's....."
		sleep(2)
		puts y
		if y == "TAILS"
			a = a + 1
		else
			a = a - 1
		end
		a
	end

	def win (a)
		if a > 0
			puts 'Player 1 wins'
		elsif a < 0
			puts 'Player 2 wins'
		end
	end

	puts "Best of how many games do you want to Play?
	Press 1 for 1 game
	Press 2 for best of 3 games
	Press 3 for best of 5 games"

	k = gets.to_i

	system ('clear')
	puts 'Player 1 -- TAILS
	Player 2 -- HEADS'

	a = 0

	if k == 1
		b = toss 0
		win b
	elsif k == 2
		b = toss 0
		c = toss b
		d = toss c
		e = b + c + d
		win e
	elsif k == 3
		b = toss 0
		c = toss b
		d = toss c
		e = toss d
		f = toss e
		g = b + c + d + e + f
		win g
	else
		puts 'invalid input'
	end
end