<?php

// "Nessuna corrispondenza": azzera il valore grezzo nei record importati, senza salvare binding.

require_once dirname(__DIR__, 2) . '/vendor/autoload.php';
require_once __DIR__ . '/class/db-functions.php';
require_once __DIR__ . '/class/binding-functions.php';
include dirname(__DIR__) . '/../extra/auth.php';

header('Content-Type: application/json');
ini_set('display_errors', '0');
error_reporting(E_ALL);

if (!Auth::check()) {
    http_response_code(401);
    echo json_encode(['success' => false, 'error' => 'Unauthorized']);
    exit;
}

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

$mappingId = intval($_POST['mapping_id'] ?? 0);
$jsonValue = (string) ($_POST['json_value'] ?? '');

$datadbIds = [];
if (isset($_POST['datadb_ids'])) {
    $decoded = json_decode($_POST['datadb_ids'], true);
    if (is_array($decoded)) {
        $datadbIds = $decoded;
    }
}

if ($mappingId <= 0 || $jsonValue === '') {
    http_response_code(422);
    echo json_encode(['success' => false, 'error' => 'Missing required parameters']);
    exit;
}

try {
    $pdo = DBHandlerSelect::getInstance()->getConnection();
    $cleared = binding_apply_to_details($pdo, $mappingId, '', $datadbIds);

    // Rimuovo un eventuale binding gia' salvato (es. auto-collegato) per coerenza.
    $del = $pdo->prepare("DELETE FROM json_lims_binding WHERE mapping_id = ? AND json_value = ?");
    $del->execute([$mappingId, $jsonValue]);

    echo json_encode(['success' => true, 'cleared_rows' => $cleared]);
} catch (Exception $e) {
    http_response_code(500);
    echo json_encode(['success' => false, 'error' => $e->getMessage()]);
}