Add command to add a new day

src/Commands/AddDay.php

@@ -0,0 +1,150 @@
+<?php
+
+namespace trizz\AdventOfCode\Commands;
+
+use Nette\PhpGenerator\ClassType;
+use Nette\PhpGenerator\PhpNamespace;
+use Nette\PhpGenerator\Printer;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use trizz\AdventOfCode\Solution;
+
+use function Laravel\Prompts\text;
+
+final class AddDay extends Command
+{
+    #[\Override]
+    protected function configure(): void
+    {
+        $this
+            ->setName('add:day')
+            ->setDescription('Add a new day.')
+            ->addArgument('day', InputArgument::OPTIONAL, 'The day number.')
+            ->addArgument('year', InputArgument::OPTIONAL, 'The year', date('y'));
+    }
+
+    #[\Override]
+    protected function execute(InputInterface $input, OutputInterface $output): int
+    {
+        $day = $input->getArgument('day');
+        $year = $input->getArgument('year');
+
+        if ($day === null) {
+            $day = text(
+                label: 'For which day?',
+                placeholder: '3',
+                default: date('j'),
+                required: true,
+                validate: fn ($value) => is_numeric($value) && $value > 0 && $value < 26 ? null : 'Please enter a valid day number.'
+            );
+        }
+
+        $example1Result = text(
+            label: 'Please enter the result for example 1.',
+            required: true,
+            validate: fn ($value) => is_numeric($value) ? null : 'Please enter a valid number.'
+        );
+
+        // Create short year.
+        $year = strlen($year) === 4 ? substr($year, 2) : $year;
+
+        $output->writeln("Adding files for day {$day} of year '{$year}.");
+
+        $this
+            ->createDirs($year, $day)
+            ->createClass($day, $year, $example1Result)
+            ->addExampleDirs($year, $day);
+
+        return Command::SUCCESS;
+    }
+
+    protected function createDirs(int $year, int $day): self
+    {
+        if (!is_dir($dir = "src/Y{$year}") && !mkdir($dir) && !is_dir($dir)) {
+            throw new \RuntimeException(sprintf('Directory "%s" was not created', $dir));
+        }
+
+        if (!is_dir($dir = "data/Y{$year}/day{$day}") && !mkdir($dir) && !is_dir($dir)) {
+            throw new \RuntimeException(sprintf('Directory "%s" was not created', $dir));
+        }
+
+        return $this;
+    }
+
+    protected function createClass(string $day, string $year, string $example1Result): self
+    {
+        $namespace = new PhpNamespace('trizz\AdventOfCode\Y'.$year);
+        $class = new ClassType('Day'.$day);
+
+        $class->setFinal()
+            ->setExtends(Solution::class);
+
+        $this->createClassProperties($class, $example1Result);
+        $this->createClassMethods($class);
+
+        $namespace->add($class);
+        $this->printClassToFile($class, $year, $day, $namespace);
+
+        return $this;
+    }
+
+    private function createClassProperties(ClassType $class, string $example1Result): void
+    {
+        $properties = [
+            'part1ExampleResult' => $example1Result,
+            'part1Result' => null,
+            'part2ExampleResult' => null,
+            'part2Result' => null,
+        ];
+
+        foreach ($properties as $name => $value) {
+            $class
+                ->addProperty($name, $value)
+                ->setPublic()
+                ->setStatic()
+                ->setType('null|int|string');
+        }
+    }
+
+    private function createClassMethods(ClassType $class): void
+    {
+        $methods = ['part1', 'part2'];
+
+        foreach ($methods as $methodName) {
+            $class
+                ->addMethod($methodName)
+                ->setReturnType('int')
+                ->setBody('return -1;')
+                ->addParameter('data')->setType('array');
+        }
+    }
+
+    private function printClassToFile(ClassType $class, string $year, string $day, PhpNamespace $namespace): void
+    {
+        $printer = new Printer();
+        $printer->indentation = '    ';
+
+        $filename = __DIR__.'/../Y'.$year.'/Day'.$day.'.php';
+        if (file_exists($filename)) {
+            throw new \RuntimeException("File {$filename} already exists.");
+        }
+
+        file_put_contents($filename, '<?php'.PHP_EOL.$printer->printNamespace($namespace));
+    }
+
+    protected function addExampleDirs(mixed $year, mixed $day): self
+    {
+        $dataDir = __DIR__.'/../../data/Y'.$year.'/day'.$day;
+
+        if (!is_dir($dataDir) && !mkdir($dataDir) && !is_dir($dataDir)) {
+            throw new \RuntimeException(sprintf('Directory "%s" was not created', $dataDir));
+        }
+
+        touch($dataDir.'/example.txt');
+        touch($dataDir.'/data.txt');
+
+        return $this;
+    }
+}