Reto mouredev#16 - ruby

Retos/Reto #16 - LA ESCALERA [Media]/ruby/test0n3.rb

@@ -0,0 +1,32 @@
+# frozen_string_literal: true
+
+def stairs_generator(input)
+  stairs = downward_stairs(input.abs)
+
+  stairs = upward_stairs(stairs) if input.positive?
+
+  stairs.join("\n")
+end
+
+def downward_stairs(input)
+  stairs = ['_']
+  stairs[0] += '_' if input.zero?
+
+  stair = 1
+  while stair <= input
+    stairs[stair] = "#{' ' * stairs[stair - 1].length}|_"
+    stair += 1
+  end
+  stairs
+end
+
+def upward_stairs(negative_stairs)
+  max_string_length = negative_stairs.last.length
+  negative_stairs.map do |item|
+    item += ' ' * (max_string_length - item.length)
+    item.reverse
+  end
+end
+
+# puts stairs_generator(-5)
+# puts stairs_generator(4)