feat: reto mouredev#16 - go >> [M]

Retos/Reto #16 - LA ESCALERA [Media]/go/qwik-zgheib.go

@@ -0,0 +1,56 @@
+package main
+
+import (
+	"fmt"
+	"strings"
+)
+
+type StairDrawer interface {
+	DrawStairs(steps int) string
+}
+
+type Stairs struct{}
+
+func NewStairs() *Stairs {
+	return &Stairs{}
+}
+
+func (s *Stairs) DrawStairs(steps int) string {
+	if steps == 0 {
+		return "__"
+	}
+
+	var builder strings.Builder
+	if steps > 0 {
+		for i := steps; i > 0; i-- {
+			if i == steps {
+				builder.WriteString(strings.Repeat("  ", i))
+				builder.WriteString("_\n")
+			}
+			builder.WriteString(strings.Repeat("  ", i-1))
+			builder.WriteString("_|\n")
+
+		}
+	} else {
+		builder.WriteString("_\n")
+		for i := 0; i < -steps; i++ {
+			if i == 0 {
+				builder.WriteString(" ")
+			} else {
+				builder.WriteString(strings.Repeat("  ", i+1))
+			}
+			builder.WriteString("|_\n")
+		}
+	}
+	return builder.String()
+}
+
+func main() {
+	stairs := NewStairs()
+
+	testCases := []int{4, -4, 0}
+	for _, steps := range testCases {
+		fmt.Printf("Steps: %d\n", steps)
+		fmt.Println(stairs.DrawStairs(steps))
+	}
+}