<?php
require_once __DIR__ . '/../helpers.php';
runAuth();

/**
 * Check for duplicate businesses
 *
 * POST JSON:
 * {
 *   "name": "Business Name",
 *   "addressLine1": "123 Main St",
 *   "city": "Los Angeles",
 *   "state": "CA",
 *   "zip": "90001"
 * }
 */

$response = ['OK' => true, 'duplicates' => []];

try {
    $data = readJsonBody();

    $bizName = trim($data['name'] ?? '');
    $addressLine1 = trim($data['addressLine1'] ?? '');
    $city = trim($data['city'] ?? '');
    $state = trim($data['state'] ?? '');
    $zip = trim($data['zip'] ?? '');

    // Clean up city - remove trailing punctuation
    $city = preg_replace('/[,.\s]+$/', '', $city);

    $qDuplicates = queryTimed("
        SELECT DISTINCT
            b.ID AS BusinessID,
            b.Name,
            a.Line1,
            a.City,
            s.Abbreviation AS AddressState,
            a.ZIPCode
        FROM Businesses b
        LEFT JOIN Addresses a ON a.BusinessID = b.ID
        LEFT JOIN tt_States s ON s.ID = a.StateID
        WHERE
            LOWER(b.Name) = LOWER(?)
            OR (
                LOWER(a.Line1) = LOWER(?)
                AND LOWER(a.City) = LOWER(?)
                AND a.Line1 != ''
                AND a.City != ''
            )
        ORDER BY b.Name
    ", [$bizName, $addressLine1, $city]);

    foreach ($qDuplicates as $row) {
        $addressParts = [];
        if (!empty($row['Line1'])) $addressParts[] = $row['Line1'];
        if (!empty($row['City'])) $addressParts[] = $row['City'];
        if (!empty($row['AddressState'])) $addressParts[] = $row['AddressState'];
        if (!empty($row['ZIPCode'])) $addressParts[] = $row['ZIPCode'];

        $response['duplicates'][] = [
            'BusinessID' => (int)$row['BusinessID'],
            'Name' => $row['Name'],
            'Address' => implode(', ', $addressParts),
        ];
    }

} catch (Exception $e) {
    $response['OK'] = false;
    $response['error'] = $e->getMessage();
}

jsonResponse($response);