<?php
declare(strict_types=1);
header('Content-Type: application/json; charset=utf-8');

require_once __DIR__ . '/../config/config.php';

try {
  if (getenv('APP_DEBUG') === 'true') { ini_set('display_errors', '1'); error_reporting(E_ALL); }
  if (!class_exists('PDO')) { throw new Exception('PDO extension not loaded'); }

  if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
    http_response_code(405);
    echo json_encode(['ok'=>false, 'error'=>'Method not allowed']);
    exit;
  }

  if (!isset($_POST['run'])) {
    http_response_code(400);
    echo json_encode(['ok'=>false, 'error'=>'Missing run']);
    exit;
  }

  // Eingabe parsen
  $run = json_decode($_POST['run'], true, 512, JSON_THROW_ON_ERROR);

  // Optional: PDF speichern
  $savedPdf = null;
  if (isset($_FILES['pdf']) && $_FILES['pdf']['error'] === UPLOAD_ERR_OK) {
    $ext = '.pdf';
    $fname = sprintf(
      'QA-%s-%s-%s-%s%s',
      preg_replace('~[^a-zA-Z0-9_-]+~','_', $run['module'] ?? 'mod'),
      preg_replace('~[^a-zA-Z0-9_-]+~','_', $run['module_version'] ?? 'v'),
      preg_replace('~[^a-zA-Z0-9_-]+~','_', $run['pbx_version'] ?? 'pbx'),
      date('Ymd_His'),
      $ext
    );
    $destDir = rtrim($pdf_storage_dir ?? (__DIR__ . '/../storage/reports'), '/');
    if (!is_dir($destDir)) { @mkdir($destDir, 0775, true); }
    $dest = $destDir . '/' . $fname;
    if (!@move_uploaded_file($_FILES['pdf']['tmp_name'], $dest)) {
    $savedPdf = null; // PDF optional; DB-Export läuft trotzdem weiter
    }
    $savedPdf = $dest;
  }

  // DB verbinden
  $dsn = "mysql:host={$db_host};port={$db_port};dbname={$db_name};charset=utf8mb4";
  $pdo = new PDO($dsn, $db_user, $db_pass, [
    PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
    PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC
  ]);

  // Schema sicherstellen (idempotent)
  $pdo->exec("
    CREATE TABLE IF NOT EXISTS reports (
      id BIGINT AUTO_INCREMENT PRIMARY KEY,
      created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
      module VARCHAR(255),
      module_version VARCHAR(100),
      pbx_version VARCHAR(100),
      olm_nummer VARCHAR(100),
      tester VARCHAR(255),
      docbee_url TEXT,
      summary VARCHAR(255),
      pdf_path TEXT
    ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
    CREATE TABLE IF NOT EXISTS steps (
      id BIGINT AUTO_INCREMENT PRIMARY KEY,
      report_id BIGINT NOT NULL,
      step_index INT,
      step_id VARCHAR(50),
      title TEXT,
      expected TEXT,
      status ENUM('pass','fail','skip','na','') DEFAULT '',
      comment TEXT,
      evidence TEXT,
      group_title VARCHAR(255),
      group_index INT,
      CONSTRAINT fk_steps_report FOREIGN KEY (report_id) REFERENCES reports(id) ON DELETE CASCADE
    ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
  ");

  // Summary berechnen
  $total=0;$pass=0;$fail=0;$skip=0;
  foreach (($run['steps'] ?? []) as $s) {
    if (($s['kind'] ?? 'step') === 'step') {
      $total++;
      $st = $s['status'] ?? '';
      if ($st==='pass') $pass++;
      elseif ($st==='fail') $fail++;
      elseif ($st==='skip') $skip++;
    }
  }
  $summary = sprintf('%d/%d pass, %d fail, %d skip', $pass, $total, $fail, $skip);

  // Report speichern
  $stmt = $pdo->prepare("INSERT INTO reports
    (module, module_version, pbx_version, olm_nummer, tester, docbee_url, summary, pdf_path)
    VALUES (:module, :module_version, :pbx_version, :olm_nummer, :tester, :docbee_url, :summary, :pdf_path)");
  $stmt->execute([
    ':module' => $run['module'] ?? null,
    ':module_version' => $run['module_version'] ?? null,
    ':pbx_version' => $run['pbx_version'] ?? null,
    ':olm_nummer' => $run['olm_nummer'] ?? null,
    ':tester' => $run['tester'] ?? null,
    ':docbee_url' => $run['docbee_url'] ?? null,
    ':summary' => $summary,
    ':pdf_path' => $savedPdf
  ]);
  $reportId = (int)$pdo->lastInsertId();

  // Steps speichern
  $idx = 0; $gidx = -1; $currentGroup = null;
  $ins = $pdo->prepare("INSERT INTO steps
    (report_id, step_index, step_id, title, expected, status, comment, evidence, group_title, group_index)
    VALUES (:report_id,:step_index,:step_id,:title,:expected,:status,:comment,:evidence,:group_title,:group_index)");
  foreach (($run['steps'] ?? []) as $s) {
    if (($s['kind'] ?? 'step') === 'group') {
      $currentGroup = $s['title'] ?? null;
      $gidx++;
      continue;
    }
    $idx++;
    // status normalisieren → ENUM-kompatibel
   $rawStatus = strtolower(trim((string)($s['status'] ?? '')));
    $map = [
      'ok'=>'pass','passed'=>'pass','success'=>'pass','true'=>'pass','yes'=>'pass','✔'=>'pass','✓'=>'pass',
      'ko'=>'fail','failed'=>'fail','error'=>'fail','✗'=>'fail','x'=>'fail',
      'skipped'=>'skip',
      'n/a'=>'na','not applicable'=>'na',
      'block'=>'blocked','blocked'=>'blocked','⛔'=>'blocked'
    ];
$st = $map[$rawStatus] ?? (in_array($rawStatus, ['pass','fail','skip','na','blocked',''], true) ? $rawStatus : '');
// und beim Insert:
// ':status' => $st,

    $st = $map[$rawStatus] ?? (in_array($rawStatus, ['pass','fail','skip','na',''], true) ? $rawStatus : '');
    try {
      $ins->execute([
        ':report_id'   => $reportId,
        ':step_index'  => $idx,
        ':step_id'     => $s['id'] ?? null,
        ':title'       => $s['title'] ?? null,
        ':expected'    => $s['expected'] ?? null,
        ':status'      => $st,
        ':comment'     => $s['comment'] ?? null,
        ':evidence'    => $s['evidence'] ?? null,
        ':group_title' => $currentGroup,
        ':group_index' => $gidx >= 0 ? $gidx : null,
    ]);
    } catch (PDOException $e) {
    if ($e->getCode() !== '01000') { throw $e; } // ENUM-Truncation-Warning ignorieren
  }
  }

  echo json_encode(['ok'=>true, 'report_id'=>$reportId, 'pdf_path'=>$savedPdf, 'summary'=>$summary]);
} catch (Throwable $e) {
  http_response_code(500);
  echo json_encode(['ok'=>false, 'error'=>$e->getMessage()]);
}