<?php
session_start();
include("dbConfig.php");

// Check if session variables are set
if (!isset($_SESSION['username']) || !isset($_SESSION['name'])) {
    echo '<META http-equiv="refresh" content="0;logout.php">';
    exit();
}

$username = $_SESSION['username'];
$name = $_SESSION['name'];

// Initialize query variables and totals
$query = null;
$total_cash = $total_card = $total_upi = $total_other = $total_ipd = $total_opd = 0;
$cardiology_total = $radiology_total = $laboratory_total = 0;

if (isset($_POST['datefrom']) && isset($_POST['dateto'])) {
    $from = $_POST['datefrom'];
    $to = $_POST['dateto'];

    if ($from > $to) {
        echo "<h3>Invalid date range. 'From' date cannot be greater than 'To' date.</h3>";
    } else {
        // Combined query to fetch all types of transactions
        $query = mysqli_query($db, "
            SELECT 
                PatientId,
                PatientName,
                BillType,
                PaymentMode,
                BillNo,
                BillDate,
                PayableAmount
            FROM (
                SELECT 
                    a.PatId AS PatientId,
                    p.Name AS PatientName,
                    'Advance' AS BillType,
                    a.PaymentMode,
                    a.BillNo,
                    a.AdvanceDate AS BillDate,
                    a.Amount AS PayableAmount
                FROM advance a 
                LEFT JOIN patientdetails p ON a.PatId = p.PatId
                WHERE a.AdvanceDate BETWEEN '$from' AND '$to'

                UNION ALL

                SELECT 
                    f.PatientId,
                    p.Name AS PatientName,
                    'Discharge' AS BillType,
                    f.PaymentMode,
                    f.FinalBillNo AS BillNo,
                    f.DischargeDate AS BillDate,
                    CASE WHEN f.PaymentMode = 'Insurance' THEN f.TotalAmount ELSE f.PayableAmount END AS PayableAmount
                FROM finalbill f
                LEFT JOIN patientdetails p ON f.PatientId = p.PatId
                WHERE f.DischargeDate BETWEEN '$from' AND '$to'

                UNION ALL

                SELECT 
                    i.PatientId,
                    o.Name AS PatientName,
                    'Investigation' AS BillType,
                    i.PaymentMode,
                    i.BillNo,
                    i.BDate AS BillDate,
                    i.PayableAmount
                FROM inbill i
                LEFT JOIN opdpatientregister o ON i.PatientId = o.PatientId
                WHERE i.BDate BETWEEN '$from' AND '$to'

                UNION ALL

                SELECT 
                    b.PatientId,
                    o.Name AS PatientName,
                    b.PatientType AS BillType,
                    b.PaymentMode,
                    b.BillNo,
                    b.BDate AS BillDate,
                    b.PayableAmount
                FROM bill b
                LEFT JOIN opdpatientregister o ON b.PatientId = o.PatientId
                WHERE b.BDate BETWEEN '$from' AND '$to' AND b.PatientType = 'OPD'
            ) AS combined_data
            ORDER BY PatientId, BillDate, BillType
        ");

        if (!$query) {
            echo "Error executing query: " . mysqli_error($db);
            exit();
        }

        // New query to fetch total amounts for each examination type
        $examinationQuery = mysqli_query($db, "SELECT optionlab, SUM(Amount) AS TotalAmount 
                                               FROM examination 
                                               WHERE DATE(created_at) BETWEEN '$from' AND '$to' 
                                               GROUP BY optionlab");

        // Process the examination totals
        while ($row = $examinationQuery->fetch_assoc()) {
            switch ($row['optionlab']) {
                case 'Cardiology':
                    $cardiology_total = $row['TotalAmount'];
                    break;
                case 'Radiology':
                    $radiology_total = $row['TotalAmount'];
                    break;
                case 'Lab Test':
                    $laboratory_total = $row['TotalAmount'];
                    break;
            }
        }
    }
}

function calculatePaymentTotals($mode, $amount, &$total_cash, &$total_card, &$total_upi, &$total_other)
{
    switch ($mode) {
        case 'Cash':
            $total_cash += $amount;
            break;
        case 'Card':
            $total_card += $amount;
            break;
        case 'UPI':
            $total_upi += $amount;
            break;
        default:
            $total_other += $amount;
            break;
    }
}
?>





<!DOCTYPE html>
<html>
<head>
  <title>
    
  </title>
  <meta charset="UTF-8">
  <link href="assets/img/favicon.png" rel="icon">
  <link href="assets/img/apple-touch-icon.png" rel="apple-touch-icon">
  <script src='https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js'></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js'></script>
<link href='https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.0.3/css/font-awesome.css'>
<link href='https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css'>
  <!-- Google Fonts -->
  <link href="https://fonts.googleapis.com/css?family=Open+Sans:300,300i,400,400i,700,700i|Raleway:300,400,500,700,800|Montserrat:300,400,700" rel="stylesheet">
<link href='https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css'>
<link href='https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.0.3/css/font-awesome.css'>

  <!-- Vendor CSS Files -->
  <link href="assets/vendor/bootstrap/css/bootstrap.min.css" rel="stylesheet">
  <link href="assets/vendor/ionicons/css/ionicons.min.css" rel="stylesheet">
  <link href="assets/vendor/animate.css/animate.min.css" rel="stylesheet">
  <link href="assets/vendor/font-awesome/css/font-awesome.min.css" rel="stylesheet">
  <link href="assets/vendor/venobox/venobox.css" rel="stylesheet">
  <link href="assets/vendor/owl.carousel/assets/owl.carousel.min.css" rel="stylesheet">
  <link href="assets/vendor/boxicons/css/boxicons.min.css" rel="stylesheet">
  <script src="https://code.jquery.com/jquery.min.js"></script>
  <script src="jquery.dependent.fields.js"></script>
  <!-- Template Main CSS File -->
  <link href="assets/css/style.css" rel="stylesheet">
  <script src="https://code.jquery.com/jquery.min.js"></script>
<script src="jquery.dependent.fields.js"></script>
<style type="text/css">
.nav-menu a {
    padding: 3px 3px;
}

  .hide {
  display: none;
}
h4{
  padding-top: 5px;
  padding-bottom: 0px;
  color:#1abfbf;
  font-weight: bold;
}
hr{
  background-color:#1abfbf;
}
.footer {
   position: fixed;
   left: 0;
   bottom: 0;
   width: 100%;
   background-color: #efe8e8;
   color: black;
   text-align: center;
   padding:4px;
   font-size:12px;
}.footer a{
  font-weight: bold;
  color:#0c0c67;
}
</style>
</head>
<body>
  <div style="text-align: center">
     <img src="assets/img/logo.png" width="100px" height="100px">
  </div>

     <header id="header">     

    <div class="container">
    <nav id="nav-menu-container">
        <ul class="nav-menu">
      <li class="menu-active">
        <a class="nav-link" style="padding:2;font-size:14px" href="index.php">Home</a>
      </li>
            <li class="menu-has-children">
        <a class="nav-link" style="padding:2;font-size:14px" href="#">IPD Patients</a>
        <ul>
              <li><a href="AddPatient.php">IPD Patient Registration</a></li>
              <li><a href="AddAdvance.php">IPD add Advance</a></li>
              <li><a href="UpdateWard.php">Update Ward</a></li>
              <li><a href="IPDPatients.php">View IPD Patients</a></li>
              
        </ul>
      </li>
      <li class="menu-has-children">
        <a class="nav-link" style="padding:2;font-size:14px" href="#">OPD Patients</a>
        <ul>
            <li><a href="OPDRegistration.php">OPD Patient Registration</a></li>
            <li><a href="OPDPatients.php">View OPD Patients</a></li>
        </ul>
      </li>
      <li class="menu-has-children">
        <a class="nav-link" style="padding:2;font-size:14px" href="#">Staff</a>
        <ul>
              <li><a href="AddStaff.php">Add Staff</a></li>
              <li><a href="StaffList.php">Staff List</a></li>
        </ul>
      </li>
      <li class="menu-has-children">
        <a class="nav-link" style="padding:2;font-size:14px" href="#">Billing</a>
        <ul>
              <li><a href="billingId.php">Generate Consolidate Bill</a></li>
              <li><a href="InvestigationId.php">Generate Investigation Bill</a></li>
              <li><a href="FinaleBillId.php">Generate Discharge Bill</a></li>
              <li><a href="SearchBill.php">Search Bill</a></li>
        </ul>
      </li>
      <li class="menu-has-children">
        <a class="nav-link" style="padding:2;font-size:14px" href="#">Particular</a>
        <ul>
              <li><a href="AddParticulars.php">Add Particulars</a></li>
              <li><a href="ViewParticulars.php">View Particulars</a></li>
        </ul>
      </li>
      <li class="menu-has-children">
        <a class="nav-link" style="padding:2;font-size:14px" href="#">Report</a>
        <ul>
               <li><a href="UploadReport.php">Upload Patient Report</a></li>
              <li><a href="DailyTrans.php">Transactions</a></li>
              <li><a href="userTrans.php">User Transactions</a></li>
              <li><a href="ViewReport.php">View Patient Reports</a></li>
              
        </ul>
      </li>
      <li class="menu-has-children">
        <a class="nav-link" style="padding:2;font-size:14px" href="#" style="font-size:15px"><? echo $name?></a>
        <ul>
               <li><a href="logout.php">Logout</a></li>
              <li><a href="ResetPassword.php">Reset Password</a></li>              
        </ul>
      </li>
        </ul>
      </nav><!-- #nav-menu-container -->
    </div>
  </header><!-- End Header -->    
  <section>
  <div class="row">
<div class="col-md-1"></div> 
<div class="col-md-10">
  <div class="shadow p-3 mb-5 bg-light rounded">

  <h2 style="text-align: center;font-weight: bold;color:#fff;background-color: #279480;padding:10px;">List of Bills</h2><br>
  <!--<h1 style="color:red">Under Construction</h1>-->
  <form method="POST" action=""><h5>Enter  Dates</h5>
<div class="row">
  <div class="form-group col">
  <label for="datefrom">From</label>
  <input  class="form-control" type="date" name="datefrom" id="datefrom" required>
</div>
 <div class="form-group col">
  <label for="dateto">To</label>
  <input  class="form-control" type="date" name="dateto" id="dateto" required>
</div>
 <div class="col">
  
     <button type="submit" class="btn btn-primary" id="viewbtn">View</button>
 </div>
</div>
 


</form>

<?php if (isset($query) && mysqli_num_rows($query) != 0) : ?>
     <button type="button" class="btn btn-primary" onclick="exportToExcel('exportContainer')">Export To Excel File</button><br><br>

    <!-- Wrap everything inside a parent div with id "exportContainer" -->
    <div id="exportContainer">
    <table border="1" id="tblexportData" class="table table-hover">
        <thead>
            <tr>
                <th>Sl.No.</th>
                <th>Patient Id</th>
                <th>Patient Name</th>
                <th>Bill Type</th>
                <th>Mode Of Payment</th>
                <th>Bill No</th>
                <th>Bill Date</th>
                <th>Payable amount</th>
            </tr>
        </thead>
        <tbody>
            <?php
            $i = 1;
            $total = 0;
            $current_patient = '';
            $current_date = '';

            while ($row = mysqli_fetch_assoc($query)) {
                $patient_id = $row['PatientId'];
                $bill_date = $row['BillDate'];
                $amount = $row['PayableAmount'];

                // Only print if it's a new patient or a new date for the same patient
                if ($patient_id != $current_patient || $bill_date != $current_date) {
                    $total += $amount;
                    calculatePaymentTotals($row['PaymentMode'], $amount, $total_cash, $total_card, $total_upi, $total_other);

                    // Update IPD or OPD totals based on BillType
                    if ($row['BillType'] === 'OPD') {
                        $total_opd += $amount;
                    } elseif ($row['BillType'] === 'Discharge') {
                        $total_ipd += $amount;
                    }
            ?>
                    <tr>
                        <td><?php echo $i; ?></td>
                        <td><?php echo $patient_id; ?></td>
                        <td><?php echo $row['PatientName']; ?></td>
                        <td><?php echo $row['BillType']; ?></td>
                        <td><?php echo $row['PaymentMode']; ?></td>
                       <td>
                            <?php if ($row['BillType'] == 'OPD') : ?>
                                <a href="ViewTransBill.php?Billno=<?php echo $row['BillNo']; ?>&type=<?php echo $row['BillType']; ?>" target="_blank"><?php echo $row['BillNo']; ?></a>
                            <?php elseif ($row['BillType'] == 'Advance') : ?>
                                <a href="ViewTransBill1.php?Billno=<?php echo $row['BillNo']; ?>&PatId=<?php echo $row['PatientId']; ?>&type=Advance" target="_blank"><?php echo $row['BillNo']; ?></a>
                            <?php else : ?>
                                <?php echo $row['BillNo']; ?>
                            <?php endif; ?>
                        </td>

                        <td><?php echo $bill_date; ?></td>
                        <td><?php echo $amount; ?></td>
                    </tr>
            <?php
                    $i++;
                    $current_patient = $patient_id;
                    $current_date = $bill_date;
                }
            }
            ?>
            <tr>
                <td colspan="7">Total Transaction</td>
                <td><?php echo $total; ?></td>
            </tr>
        </tbody>
    </table>
    <div class="row" id="tblexportData">
        <div class="col-md-6">
            <div class="card text-white bg-warning mb-3">
                <div class="card-header">Total OPD</div>
                <div class="card-body">
                    <h5 class="card-title"><?php echo number_format($total_opd, 2); ?></h5>
                </div>
            </div>
        </div>
        <div class="col-md-6">
            <div class="card text-white bg-danger mb-3">
                <div class="card-header">Total IPD</div>
                <div class="card-body">
                    <h5 class="card-title"><?php echo number_format($total_ipd, 2); ?></h5>
                </div>
            </div>
        </div>
        <div class="col-md-3">
            <div class="card text-white bg-success mb-3">
                <div class="card-header">Cash Total</div>
                <div class="card-body">
                    <h5 class="card-title"><?php echo number_format($total_cash, 2); ?></h5>
                </div>
            </div>
        </div>
        <div class="col-md-3">
            <div class="card text-white bg-primary mb-3">
                <div class="card-header">Card Total</div>
                <div class="card-body">
                    <h5 class="card-title"><?php echo number_format($total_card, 2); ?></h5>
                </div>
            </div>
        </div>
        <div class="col-md-3">
            <div class="card text-white bg-info mb-3">
                <div class="card-header">UPI Total</div>
                <div class="card-body">
                    <h5 class="card-title"><?php echo number_format($total_upi, 2); ?></h5>
                </div>
            </div>
        </div>
        <div class="col-md-3">
            <div class="card text-white bg-secondary mb-3">
                <div class="card-header">Other Payments Total</div>
                <div class="card-body">
                    <h5 class="card-title"><?php echo number_format($total_other, 2); ?></h5>
                </div>
            </div>
        </div>
    </div>
    <div class="row" id="tblexportData">
        <div class="col-md-4">
            <div class="card text-white bg-dark mb-3">
                <div class="card-header">Cardiology Total</div>
                <div class="card-body">
                    <h5 class="card-title"><?php echo number_format($cardiology_total, 2); ?></h5>
                </div>
            </div>
        </div>
        <div class="col-md-4">
            <div class="card text-white bg-dark mb-3">
                <div class="card-header">Radiology Total</div>
                <div class="card-body">
                    <h5 class="card-title"><?php echo number_format($radiology_total, 2); ?></h5>
                </div>
            </div>
        </div>
        <div class="col-md-4">
            <div class="card text-white bg-dark mb-3">
                <div class="card-header">Laboratory Total</div>
                <div class="card-body">
                    <h5 class="card-title"><?php echo number_format($laboratory_total, 2); ?></h5>
                </div>
            </div>
        </div>
    </div>
      </div>
<?php endif; ?>






    
<br>
<button type="button" class="btn btn-danger" onclick="history.back()">Back</button><br><br>

</div>
</div> 
<div class="col-md-1"></div>    
  </div>
  </section>

<script type="text/javascript">
function exportToExcel(tableID, filename = '') {
    var downloadurl;
    var dataFileType = 'application/vnd.ms-excel';
    var tableSelect = document.getElementById(tableID);
    var tableHTMLData = tableSelect.outerHTML.replace(/ /g, '%20');
    
    // Specify file name
    filename = filename ? filename + '.xls' : 'Transactions.xls';
    
    // Create download link element
    downloadurl = document.createElement("a");
    
    document.body.appendChild(downloadurl);
    
    if (navigator.msSaveOrOpenBlob) {
        var blob = new Blob(['\ufeff', tableHTMLData], {
            type: dataFileType
        });
        navigator.msSaveOrOpenBlob(blob, filename);
    } else {
        // Create a link to the file
        downloadurl.href = 'data:' + dataFileType + ', ' + tableHTMLData;
        
        // Setting the file name
        downloadurl.download = filename;
        
        // Triggering the function
        downloadurl.click();
    }
}

// function exportToExcel(tableID, filename = ''){
//     var downloadurl;
//     var dataFileType = 'application/vnd.ms-excel';
//     var tableSelect = document.getElementById(tableID);
//     var tableHTMLData = tableSelect.outerHTML.replace(/ /g, '%20');
    
//     // Specify file name
//     filename = filename?filename+'.xls':'Transactions.xls';
    
//     // Create download link element
//     downloadurl = document.createElement("a");
    
//     document.body.appendChild(downloadurl);
    
//     if(navigator.msSaveOrOpenBlob){
//         var blob = new Blob(['\ufeff', tableHTMLData], {
//             type: dataFileType
//         });
//         navigator.msSaveOrOpenBlob( blob, filename);
//     }else{
//         // Create a link to the file
//         downloadurl.href = 'data:' + dataFileType + ', ' + tableHTMLData;
    
//         // Setting the file name
//         downloadurl.download = filename;
        
//         //triggering the function
//         downloadurl.click();
//     }
// }
 

</script>
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