<?php
include('includes/config/config.php');


error_log("Start Printing Request Attributes");
foreach ($_POST as $key => $value) {
    error_log($key . " : " . $value . "<br />\r\n");
}


$data = array();

$query = "";


if (!empty($_POST['digitalSign'])) {

    $image_parts = explode(";base64,", $_POST['digitalSign']);
    $image_type_aux = explode("image/", $image_parts[0]);
    $image_type = $image_type_aux[1];
    $image_base64 = base64_decode($image_parts[1]);


    error_log("image " . $image_base64);
    error_log('type ' . $image_type);


    $folder = "excel/uploads/";
    $filename = uniqid() . "." . $image_type; // Unique filename
    $file_path = $folder . $filename;
    file_put_contents($file_path, $image_base64);

    $image_data = file_get_contents($file_path);

    // error_log("data " . $image_data);


    $imgData = addslashes(file_get_contents($file_path));
    $imageProperties = getimageSize($file_path);

    // $photoQuery = ",emp_sign='{$image_parts[1]}',image_type='{$image_type}'";

    $photoQuery = ",emp_sign='{$imgData}',image_type='{$imageProperties['mime']}'";

    // error_log("final query " . $photoQuery);

    unlink($file_path);
}

$select_query = "select * from employee_signature where emp_id = '" . $_SESSION['logged_user_empid'] . "'";

error_log("SIGNATURE QUERY:::" . $select_query);

$result = mysqli_query($conn, $select_query);

$query_initial = "";

$query_post = "";

$query = "";


if (mysqli_num_rows($result) > 0) {


    $query_initial = "update ";

    $query_post = " where emp_id = '" . $_SESSION['logged_user_empid'] . "'";
} else {

    $query_initial = "insert into";

    $query_post = ",  emp_id = '" . $_SESSION['logged_user_empid'] . "'";
}

$query =  " employee_signature set  modified_by = '" . $_SESSION['user_id'] . "'" . $photoQuery;

$query = $query_initial . $query . $query_post;

error_log("PHOTO:" . $query);
if (!$result = @mysqli_query($conn, $query)) {

    $data['status'] = 500;

    exit(mysqli_error($conn));
}


if ($data == null) {

    $data['status'] = 200;

    $data['message'] = "Data not found!";
}

echo json_encode($data);