- name: "Toggle Joomla debug flags safely (configuration.php)"
  command:
    argv:
      - docker
      - exec
      - -e
      - "J_MODE_DEBUG={{ MODE_DEBUG | bool | ternary('1','0') }}"
      - -e
      - "J_ERR_LEVEL={{ MODE_DEBUG | bool | ternary('maximum','default') }}"
      - "{{ JOOMLA_CONTAINER }}"
      - php
      - -r
      - |
        $f = '{{ JOOMLA_CONFIG_FILE }}';
        if (!file_exists($f)) { fwrite(STDERR, "configuration.php missing\n"); exit(1); }
        $c = file_get_contents($f);
        $changed = 0;

        $debug = getenv('J_MODE_DEBUG') === '1';
        $err   = getenv('J_ERR_LEVEL') ?: 'default';

        // Clean up previously broken lines
        $c = preg_replace('/^\s*public\s+1\s*=.*?;$/m', '', $c, -1, $nBad1); $changed += $nBad1;
        $c = preg_replace('/^\s*public\s*=\s*maximum;$/m', '', $c, -1, $nBad2); $changed += $nBad2;

        // Ensure: public $debug = true|false;
        $lineDebug = "public \$debug = " . ($debug ? 'true' : 'false') . ";";
        if (preg_match('/public\s*\$debug\s*=\s*[^;]*;/', $c)) {
          $c = preg_replace('/public\s*\$debug\s*=\s*[^;]*;/', $lineDebug, $c, 1, $n); $changed += $n;
        } else {
          $c = preg_replace("/\n\}\s*$/", "\n\t".$lineDebug."\n}\n", $c, 1, $n); $changed += $n;
        }

        // Ensure: public $error_reporting = 'maximum'|'default';
        $lineErr = "public \$error_reporting = '" . str_replace("'", "\\'", $err) . "';";
        if (preg_match('/public\s*\$error_reporting\s*=\s*[^;]*;/', $c)) {
          $c = preg_replace('/public\s*\$error_reporting\s*=\s*[^;]*;/', $lineErr, $c, 1, $n); $changed += $n;
        } else {
          $c = preg_replace("/\n\}\s*$/", "\n\t".$lineErr."\n}\n", $c, 1, $n); $changed += $n;
        }

        if ($changed) { file_put_contents($f, $c); echo "changed"; } else { echo "ok"; }
  register: j_cfg_debug
  changed_when: (j_cfg_debug.stdout | trim) == "changed"
  failed_when: j_cfg_debug.rc != 0