<?php
// Assuming you have the database connection established already
session_start();
require("../mainconfig.php");

if (isset($_SESSION['user'])) {
	$apa = $_SESSION['user']['username'];

// Function to calculate the total number of pages based on the number of records per page
function getTotalPages($totalRecords, $recordsPerPage) {
    return ceil($totalRecords / $recordsPerPage);
}

// Function to search for order history based on the search query
function searchOrderHistory($searchQuery, $offset, $recordsPerPage, &$totalRecords, $sess_username) {
    global $db;

    // Add SQL injection protection
    $searchQuery = mysqli_real_escape_string($db, $searchQuery);

    $query = "SELECT * FROM orders WHERE oid LIKE '%$searchQuery%' ORDER BY date DESC LIMIT $recordsPerPage OFFSET $offset";
    $result = mysqli_query($db, $query);

    $data = array();
    while ($row = mysqli_fetch_assoc($result)) {
        $data[] = array(
            "date" => $row['date'],
            "service" => $row['service'],
            "status" => $row['status'],
        );
    }

    // Get the total number of records that match the search query
    $totalRecordsQuery = "SELECT COUNT(*) AS total FROM orders WHERE user = '$sess_username' AND oid LIKE '%$searchQuery%'";
    $totalRecordsResult = mysqli_query($db, $totalRecordsQuery);
    $totalRecordsRow = mysqli_fetch_assoc($totalRecordsResult);
    $totalRecords = $totalRecordsRow['total'];

    return $data;
}

$recordsPerPage = isset($_GET['recordsPerPage']) ? intval($_GET['recordsPerPage']) : 10;
$page = isset($_GET['page']) ? intval($_GET['page']) : 1;
$searchQuery = isset($_GET['search']) ? $_GET['search'] : '';

// Replace the following line with your method to get the session username
$sess_username = $apa;

// Calculate the OFFSET for the current page
$offset = ($page - 1) * $recordsPerPage;

if (!empty($searchQuery)) {
    // Perform search and get data for the current page
    $data = searchOrderHistory($searchQuery, $offset, $recordsPerPage, $totalRecords, $sess_username);
} else {
    // Fetch data from the 'orders' table for the current page
    $query = "SELECT * FROM orders ORDER BY date DESC LIMIT $recordsPerPage OFFSET $offset";
    $result = mysqli_query($db, $query);

    $data = array();
    while ($row = mysqli_fetch_assoc($result)) {
        $data[] = array(
            "date" => $row['date'],
            "service" => $row['service'],
            "status" => $row['status'],
        );
    }

    // Get the total number of records in the 'orders' table
    $totalRecordsQuery = "SELECT COUNT(*) AS total FROM orders WHERE user = '$sess_username'";
    $totalRecordsResult = mysqli_query($db, $totalRecordsQuery);
    $totalRecordsRow = mysqli_fetch_assoc($totalRecordsResult);
    $totalRecords = $totalRecordsRow['total'];
}

// Calculate total pages
$totalPages = getTotalPages($totalRecords, $recordsPerPage);

// Return data as JSON
echo json_encode(array(
    "order_history" => $data,
    "totalPages" => $totalPages
));
    
}
?>
