<?php
header('Content-Type: application/json');
include('include/headscript.php');

$dbHandler = DBHandlerSelect::getInstance();
$pdo = $dbHandler->getConnection();

$data = json_decode(file_get_contents('php://input'), true);

$iddatadb = $data['iddatadb'] ?? null;
$parts = $data['parts'] ?? [];

if (!$iddatadb || empty($parts)) {
    echo json_encode(['success' => false, 'message' => 'Dati mancanti']);
    exit;
}

$part = $parts[0];
$partId = $part['id'] ?? null;   // part_id თუ არსებობს
$partNumber = $part['part_number'] ?? null;
$partDescription = $part['part_description'] ?? '';
$mix = $part['mix'] ?? 'N';

if ($partDescription) {
    try {
        if ($partId) {
            // UPDATE თუ უკვე არსებობს part
            $stmt = $pdo->prepare("UPDATE identification_parts
                SET part_number = :part_number,
                    part_description = :part_description,
                    mix = :mix,
                    updated_at = NOW()
                WHERE id = :id");
            $stmt->execute([
                ':id' => $partId,
                ':part_number' => $partNumber,
                ':part_description' => $partDescription,
                ':mix' => $mix
            ]);
            echo json_encode(['success' => true, 'part_id' => $partId, 'part_number'=>$partNumber, 'message' => 'Parte aggiornata con successo']);
        } else {
            // INSERT თუ ახალია
            $stmt = $pdo->prepare("INSERT INTO identification_parts
                (iddatadb, part_number, part_description, mix, created_at, updated_at)
                VALUES (:iddatadb, :part_number, :part_description, :mix, NOW(), NOW())");
            $stmt->execute([
                ':iddatadb' => $iddatadb,
                ':part_number' => $partNumber,
                ':part_description' => $partDescription,
                ':mix' => $mix
            ]);
            $newId = $pdo->lastInsertId();
            echo json_encode(['success' => true, 'part_id' => $newId, 'part_number'=>$partNumber,  'message' => 'Parte salvata con successo']);
        }
    } catch (PDOException $e) {
        echo json_encode(['success' => false, 'message' => 'Errore nel salvataggio: ' . $e->getMessage()]);
    }
} else {
    echo json_encode(['success' => false, 'message' => 'Descrizione mancante']);
}