<?php
include "../connect.php";
$current_month = date('m');
$current_year = date('Y');
// Get the first and last days of the current month.
$first_day_of_month = date('Y-m-d', strtotime($current_year . '-' . $current_month . '-01'));
$last_day_of_month = date('Y-m-d', strtotime($current_year . '-' . $current_month . '-' . cal_days_in_month(CAL_GREGORIAN, $current_month, $current_year)));

// Create a SQL query to select the total passengers for each day in the current month.
$sql = "
WITH RECURSIVE date_series AS (
    SELECT '$first_day_of_month' AS date
    UNION ALL
    SELECT DATE_ADD(date, INTERVAL 1 DAY)
    FROM date_series
    WHERE date < LEAST(CURDATE(), DATE_SUB('$last_day_of_month', INTERVAL 1 DAY))
)
SELECT
    date_series.date AS day,
    COALESCE(COUNT(passengers.id), 0) AS totalPassengers,
    (SELECT COUNT(*) FROM passengers 
     WHERE passengers.created_at >= '$first_day_of_month' 
     AND passengers.created_at < '$last_day_of_month') AS totalMonthly
FROM
    date_series
LEFT JOIN
    passengers ON DATE(passengers.created_at) = date_series.date
WHERE
    date_series.date >= '$first_day_of_month' 
    AND date_series.date < '$last_day_of_month'
GROUP BY
    date_series.date
ORDER BY
    date_series.date DESC
";

$stmt = $con->prepare($sql);
$stmt->execute();
$passenger_data = $stmt->fetchAll(PDO::FETCH_ASSOC);

if ($passenger_data) {
    // Print the passenger data as JSON
    printSuccess($data = $passenger_data);
} else {
    // Print a failure message
    printFailure($message = "No passenger data found");
}
?>