name: CI

on:
  push:
    branches: [ "**" ]
  pull_request:

jobs:
  lint:
    name: PHP Lint
    runs-on: ubuntu-latest
    strategy:
      matrix:
        php: [ "7.4", "8.2" ]
    steps:
      - uses: actions/checkout@v4

      - name: Setup PHP ${{ matrix.php }}
        uses: shivammathur/setup-php@v2
        with:
          php-version: ${{ matrix.php }}
          extensions: pdo, pdo_mysql, curl, mbstring, json
          coverage: none

      - name: Syntax check all PHP files
        run: |
          set -e
          find . -name '*.git' -prune -o -name '*.php' -print | while read -r f; do
            php -l "$f"
          done

      - name: Validate language files
        run: |
          php -r '
            $de = require "lang/de.php"; $en = require "lang/en.php";
            if (!is_array($de) || !is_array($en)) { fwrite(STDERR, "Bad lang file\n"); exit(1); }
            $missingEn = array_diff(array_keys($de), array_keys($en));
            $missingDe = array_diff(array_keys($en), array_keys($de));
            if ($missingEn || $missingDe) {
                fwrite(STDERR, "Fehlend in en: " . implode(", ", $missingEn) . "\n");
                fwrite(STDERR, "Fehlend in de: " . implode(", ", $missingDe) . "\n");
                exit(1);
            }
            echo "lang OK (" . count($de) . " Schluessel)\n";'

      - name: Check that every used translation key exists
        run: |
          php -r '
            $de = require "lang/de.php";
            $missing = [];
            $it = new RecursiveIteratorIterator(new RecursiveDirectoryIterator(".", FilesystemIterator::SKIP_DOTS));
            foreach ($it as $file) {
                $path = $file->getPathname();
                if (substr($path, -4) !== ".php") continue;
                if (strpos($path, "/vendor/") !== false || strpos($path, "/tools/") !== false) continue;
                preg_match_all("/__\(\s*\x27([a-z0-9_]+)\x27/", file_get_contents($path), $m);
                foreach ($m[1] as $key) {
                    if (!isset($de[$key]) && substr($key, -1) !== "_") { $missing[$key] = $path; }
                }
            }
            if ($missing) {
                foreach ($missing as $key => $path) { fwrite(STDERR, "Unbekannter Schluessel $key in $path\n"); }
                exit(1);
            }
            echo "Alle verwendeten Schluessel vorhanden\n";'

  test:
    name: Unit Tests & Static Analysis
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Setup PHP 8.2
        uses: shivammathur/setup-php@v2
        with:
          php-version: "8.2"
          extensions: pdo, pdo_mysql, curl, mbstring, json
          tools: composer
          coverage: none

      - name: Install dependencies
        run: composer install --no-interaction --no-progress

      - name: PHPUnit
        run: vendor/bin/phpunit

      - name: PHPStan
        run: vendor/bin/phpstan analyse --no-progress