<?php
// /push/push_endpoint.php
declare(strict_types=1);

function push_queue_notification(
  PDO $pdo,
  string $targetRole,
  ?int $targetReferenceId,
  ?int $targetCompteId,
  string $type,
  string $title,
  string $body,
  ?string $url = null,
  ?array $data = null
): ?int {
  // Sécurité / hygiène
  $title = trim($title);
  $body  = trim($body);
  if ($title === '' || $body === '') return null;

  $dataJson = $data ? json_encode($data, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES) : null;

  $stmt = $pdo->prepare("
    INSERT INTO push_notifications
      (target_role, target_reference_id, target_compte_id, type, title, body, url, data_json, status, attempts, created_at)
    VALUES
      (:role, :ref_id, :compte_id, :type, :title, :body, :url, :data_json, 'pending', 0, NOW())
  ");
  $stmt->execute([
    ':role'      => $targetRole,
    ':ref_id'    => $targetReferenceId,
    ':compte_id' => $targetCompteId,
    ':type'      => $type,
    ':title'     => mb_substr($title, 0, 120),
    ':body'      => mb_substr($body, 0, 255),
    ':url'       => $url ? mb_substr($url, 0, 255) : null,
    ':data_json' => $dataJson,
  ]);

  return (int)$pdo->lastInsertId();
}

/**
 * Helpers “RDV” : cible métier par reference_id (client_id / praticien_id)
 */
function resolve_compte_id(PDO $pdo, string $role, int $refId): int {
  $st = $pdo->prepare("SELECT id FROM compte WHERE role = ? AND reference_id = ? LIMIT 1");
  $st->execute([$role, $refId]);
  return (int)($st->fetchColumn() ?: 0);
}

function push_rdv_to_client(PDO $pdo, int $clientId, string $title, string $body, string $url, array $data = []): ?int {
  $cid = resolve_compte_id($pdo, 'client', $clientId);
  return push_queue_notification($pdo, 'client', $clientId, ($cid>0?$cid:null), 'rdv', $title, $body, $url, $data);
}

function push_rdv_to_praticien(PDO $pdo, int $praticienId, string $title, string $body, string $url, array $data = []): ?int {
  $cid = resolve_compte_id($pdo, 'praticien', $praticienId);
  return push_queue_notification($pdo, 'praticien', $praticienId, ($cid>0?$cid:null), 'rdv', $title, $body, $url, $data);
}

function push_rdv_to_secretaire(PDO $pdo, int $secretaireCompteId, string $title, string $body, string $url, array $data = []): ?int {
  return push_queue_notification($pdo, 'secretaire', null, $secretaireCompteId, 'rdv', $title, $body, $url, $data);
}