Résolution du challenge MARIO_1 avec une interface

4 objets créés :
- Jumper
- Mario qui implémente Jumper
- Peach qui implémente Jumper
- Level

challenges/MARIO_1_interfaces/Jumper.php

@@ -0,0 +1,10 @@
+<?php
+declare(strict_types=1);
+
+namespace Challenges\MARIO_1_interfaces;
+
+interface Jumper
+{
+    public function canJump(int $gapLength): bool;
+    public function getName(): string;
+}

challenges/MARIO_1_interfaces/Level.php

@@ -0,0 +1,67 @@
+<?php
+declare(strict_types=1);
+
+namespace Challenges\MARIO_1_interfaces;
+
+class Level
+{
+    private const PLATFORM = 'P';
+
+    private string $sequence = '';
+    private Jumper $currentJumper;
+
+    public function __construct(
+        private string $platfoms,
+        private Jumper $jumper1,
+        private Jumper $jumper2
+    ) {
+        $this->currentJumper = $jumper1;
+    }
+
+    public function run(): void
+    {
+        $gaps = explode(self::PLATFORM, $this->platfoms);
+
+        foreach ($gaps as $gap) {
+
+            $gapLength = strlen($gap);
+
+            if ($gapLength === 0) {
+                // Bords, personne ne saute
+                continue;
+            }
+
+            // Si les 2 peuvent sauter
+            if ($this->jumper1->canJump($gapLength) && $this->jumper2->canJump($gapLength)) {
+                // On incrémente la séquence avec le jumper courant
+                $this->sequence .= $this->currentJumper->getName();
+
+                // On change de currentJumper
+                if ($this->currentJumper->getName() === $this->jumper1->getName()) {
+                    $this->currentJumper = $this->jumper2;
+                } else {
+                    $this->currentJumper = $this->jumper1;
+                }
+
+                continue;
+            }
+
+            if ($this->jumper1->canJump($gapLength)) {
+                $this->sequence .= $this->jumper1->getName();
+
+                continue;
+            }
+
+            if ($this->jumper2->canJump($gapLength)) {
+                $this->sequence .= $this->jumper2->getName();
+
+                continue;
+            }
+        }
+    }
+
+    public function getSequence(): string
+    {
+        return $this->sequence;
+    }
+}

challenges/MARIO_1_interfaces/Mario.php

@@ -0,0 +1,17 @@
+<?php
+declare(strict_types=1);
+
+namespace Challenges\MARIO_1_interfaces;
+
+class Mario implements Jumper
+{
+    public function canJump(int $gapLength): bool
+    {
+        return $gapLength <= 3;
+    }
+
+    public function getName(): string
+    {
+        return 'M';
+    }
+}

challenges/MARIO_1_interfaces/Peach.php

@@ -0,0 +1,17 @@
+<?php
+declare(strict_types=1);
+
+namespace Challenges\MARIO_1_interfaces;
+
+class Peach implements Jumper
+{
+    public function canJump(int $gapLength): bool
+    {
+        return $gapLength >= 3 && $gapLength <= 5;
+    }
+
+    public function getName(): string
+    {
+        return 'P';
+    }
+}