Refactor code

Author: dragomano

phpunit.xml

@@ -14,7 +14,6 @@
             <directory>src</directory>
         </include>
         <exclude>
-            <file>src/Installer.php</file>
             <file>src/Plugin.php</file>
         </exclude>
     </source>

src/Installer.php

@@ -4,36 +4,147 @@
 
 use Composer\Composer;
 use Composer\EventDispatcher\EventSubscriberInterface;
-use Composer\Installer\PackageEvents;
 use Composer\IO\IOInterface;
+use Composer\Installer\PackageEvent;
+use Composer\Installer\PackageEvents;
 use Composer\Plugin\PluginInterface;
+use Symfony\Component\Process\Process;
+
+use function copy;
+use function is_dir;
+use function is_file;
+use function mkdir;
+use function realpath;
+use function sprintf;
+use function strtoupper;
+use function substr;
 
 class Plugin implements PluginInterface, EventSubscriberInterface
 {
+    private const PACKAGE_NAME = 'sass-embedded-php';
+
+    private string $packagePath;
+
+    private string $binDir;
+
     public function activate(Composer $composer, IOInterface $io): void
     {
-        $io->write('This is the way.');
+        $config = $composer->getConfig();
+
+        $this->packagePath = realpath(__DIR__ . '/../');
+        $this->binDir = (string) $config->get('bin-dir');
     }
 
     public function deactivate(Composer $composer, IOInterface $io): void
     {
-        $io->write('May the Force be with you.');
     }
 
     public function uninstall(Composer $composer, IOInterface $io): void
     {
-        $io->write('I\'ll see you again. I promise ©️');
     }
 
+    /* @uses onPostPackageUpdate */
     public static function getSubscribedEvents(): array
     {
         return [
-            PackageEvents::POST_PACKAGE_INSTALL => 'onPostPackageInstall',
+            PackageEvents::POST_PACKAGE_INSTALL => 'onPostPackageUpdate',
+            PackageEvents::POST_PACKAGE_UPDATE  => 'onPostPackageUpdate',
         ];
     }
 
-    public function onPostPackageInstall(): void
+    public function onPostPackageUpdate(PackageEvent $event): void
+    {
+        static $alreadyRun = false;
+
+        if ($alreadyRun) {
+            return;
+        }
+
+        $alreadyRun = true;
+
+        $this->installNpm($event->getIO());
+        $this->copyBinary($event->getIO());
+    }
+
+    private function installNpm(IOInterface $io): void
     {
-        Installer::postInstall();
+        if ($this->packagePath === '') {
+            $io->write(sprintf(
+                '<warning>[%s]</warning> package directory not found, skipping npm install.',
+                self::PACKAGE_NAME
+            ));
+
+            return;
+        }
+
+        $packageJson = $this->packagePath . '/package.json';
+        if (! is_file($packageJson)) {
+            $io->write(sprintf(
+                '<warning>[%s]</warning> package.json not found in %s, skipping npm install.',
+                self::PACKAGE_NAME,
+                $this->packagePath
+            ));
+
+            return;
+        }
+
+        $npmBin = (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') ? 'npm.cmd' : 'npm';
+
+        $checkNpm = new Process([$npmBin, '--version']);
+        $checkNpm->run();
+        if (! $checkNpm->isSuccessful()) {
+            $io->write(sprintf(
+                '<warning>[%s]</warning> npm not found in PATH, skipping npm install.',
+                self::PACKAGE_NAME
+            ));
+
+            return;
+        }
+
+        $nodeModules = $this->packagePath . '/node_modules/sass-embedded';
+        if (is_dir($nodeModules)) {
+            $io->write(sprintf(
+                '<info>[%s]</info> node_modules/sass-embedded already exists, skipping npm install.',
+                self::PACKAGE_NAME
+            ));
+
+            return;
+        }
+
+        $process = new Process([$npmBin, 'install'], $this->packagePath);
+        $process->setTimeout(null);
+        $process->run(function ($type, $buffer): void { echo $buffer; });
+
+        if ($process->isSuccessful()) {
+            $io->write(sprintf(
+                '<info>[%s]</info> npm install completed successfully.',
+                self::PACKAGE_NAME
+            ));
+
+            return;
+        }
+
+        $io->write(sprintf('<error>[%s]</error> npm install failed:', self::PACKAGE_NAME));
+        $io->write($process->getErrorOutput());
+    }
+
+    private function copyBinary(IOInterface $io): void
+    {
+        $source = $this->packagePath . '/bin/bridge.js';
+        $target = $this->binDir . '/bridge.js';
+
+        if (! is_file($source)) {
+            return;
+        }
+
+        if (! is_dir($this->binDir)) {
+            @mkdir($this->binDir, 0777, true);
+        }
+
+        if (@copy($source, $target)) {
+            $io->write(sprintf('<info>[%s]</info> Binary overwritten: %s', self::PACKAGE_NAME, $target));
+        } else {
+            $io->writeError(sprintf('<error>[%s]</error> Failed to copy binary', self::PACKAGE_NAME));
+        }
     }
 }