<?php
// core/ajax_dashboard_stats.php
require_once("../config/db.php");
require_once("../core/utils.php");
session_start();

if (empty($_SESSION['sess_userid'])) {
    exit('Unauthorized');
}

$timezone = "Asia/Bangkok";
date_default_timezone_set($timezone);
$d_conv_search = date("Y-m-d");

function get_count($conn, $query, $date_param) {
    $stmt = $conn->prepare($query);
    if($stmt) {
        $stmt->bind_param("s", $date_param);
        $stmt->execute();
        $result = $stmt->get_result();
        $row = $result->fetch_assoc();
        $stmt->close();
        return $row['cc'] ?? 0;
    }
    return 0;
}

$cc_er = get_count($conn1, "SELECT count(*) as cc FROM er_regist WHERE vstdate=?", $d_conv_search);
$cc_pq = get_count($conn1, "SELECT count(*) as cc FROM pq_screen WHERE screen_date=?", $d_conv_search);
$cc_dt = get_count($conn1, "SELECT count(distinct hn) as cc FROM dtmain WHERE vstdate=?", $d_conv_search);
$cc_lab1 = get_count($conn1, "SELECT count(*) as cc FROM lab_head WHERE order_date=?", $d_conv_search);

$sub_y = substr((date("Y") + 543), 2, 2);
$d_rx = $sub_y . date("md") . "%";
$cc_rx = get_count($conn1, "SELECT count(*) as cc FROM rx_operator WHERE vn like ?", $d_rx);
header('Content-Type: application/json');
echo json_encode([
    'er' => number_format($cc_er),
    'pq' => number_format($cc_pq),
    'dt' => number_format($cc_dt),
    'rx' => number_format($cc_rx),
    'lab' => number_format($cc_lab1)
]);
?>