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Current File : /home2/imyrqtmy/public_html/thesmarthands/update-task.php
<?php
session_start();
$se = $_SESSION["id"];
if (!isset($_SESSION['id'])) {
    header("Location: login.php");
}
include("inc/config.php");
 
?>

<!DOCTYPE html>
<html lang="en">
    
<?php require "inc/head.php"; ?>

    <body>
        <!-- header-->
        <?php require "inc/header.php"; ?>
        <!-- End Main-content Top bar-->

        <!-- main-content-->
        <div class="wrapper">
        <?php require "inc/sidebar.php"; ?>

        <div id="content">
    <div class="row mb-4">
        <div class="col-12 col-sm-12">
            <div class="row">
                <div class="col-12 col-md-12 mb-4">
                    <div class="card redial-border-light redial-shadow">
                        <div class="card-body" style="overflow: visible;">
                            <div class="card redial-border-light redial-shadow mb-4">
                                <div class="card-body">
                                    <h6 class="header-title pl-3 redial-relative">Task Form</h6>


                                    <?php
                                                $id = $_GET['id'];
                                                $query = "SELECT * FROM tasks WHERE id='$id'";
                                                $query_run =mysqli_query($conn, $query);
                                                if(mysqli_num_rows($query_run) > 0){
                                                foreach($query_run as $row){
                                            ?>

                                    <form action="add_task.php" method="post" enctype="multipart/form-data">
                                         <input type="hidden" name="id" value="<?php echo $row['id']; ?>">
                                        <input type="hidden" name="status" value="Complete"  class="form-control">
                                      
                                        <div class="row mb-3">
                                            <div class="col-12 col-sm-2 text-sm-right align-self-center">
                                                <label class="redial-font-weight-600 mb-3">PO No.</label>
                                            </div>
                                            <div class="col-12 col-sm-10">
                                                <div class="row">
                                               
                                                    <div class="col-12 col-sm-12 mb-3">
                                                        <input type="text" name="po_no" value="<?php echo $row['po_no']; ?>" class="form-control" placeholder="Po No.">
                                                    </div>
                                                </div>
                                            </div>

                                            <div class="col-12 col-sm-2 text-sm-right align-self-center">
        <label class="redial-font-weight-600 mb-3">Project Name</label>
    </div>
    <div class="col-12 col-sm-10">
        <div class="row">
            <div class="col-12 col-sm-4">
                <div class="form-group">
                    <select name="project_name" class="fancy-select form-control">
                        <?php
                        $project_query = "SELECT * FROM projects";
                        $project_query_run = mysqli_query($conn, $project_query);
                        
                        if (mysqli_num_rows($project_query_run) > 0) {
                            while ($project = mysqli_fetch_assoc($project_query_run)) {
                                // Pre-select the project based on the task's project_id
                                $selected = ($row['project_name'] == $project['id']) ? 'selected' : '';
                                ?>
                                <option value="<?php echo $project['id']; ?>" <?php echo $selected; ?>>
                                    <?php echo $project['project_name']; ?>
                                </option>
                                <?php
                            }
                        }
                        ?>
                    </select>
                </div>
            </div>

                                                           

                                                        <!-- </div> -->
                                                        <div class="col-12 col-sm-8">
                                                        <input type="text" name="task_name"  value="<?php echo $row['task_name']; ?>" class="form-control" placeholder="Task Name">
                                                        </div>
                                                    </div>
                                                </div>

                                                <div class="col-12 col-sm-2 text-sm-right align-self-center">
    <label class="redial-font-weight-600 mb-3">Employee Name</label>
</div>

<div class="col-12 col-sm-10">
    <div class="col-12 col-sm-4">
        <div class="form-group" style="margin-left: -15px;">
            <select name="emp_name" id="emp_name" class="form-control">
                <option value="" disabled>Select Employee</option>
                <?php
                // Fetch the stored employee name for the current task
                $task_id = $_GET['id']; // Assuming task ID is passed via GET request
                $task_query = "SELECT emp_name FROM tasks WHERE id = '$task_id'";
                $task_result = mysqli_query($conn, $task_query);
                $task_row = mysqli_fetch_assoc($task_result);
                $stored_emp_name = $task_row['emp_name'];

                // Fetch all employees
                $employee_query = "SELECT * FROM employees";
                $employee_query_run = mysqli_query($conn, $employee_query);
                if (mysqli_num_rows($employee_query_run) > 0) {
                    while ($employee = mysqli_fetch_assoc($employee_query_run)) {
                        $full_name = $employee['femp_name'] . ' ' . $employee['lemp_name'];
                        $selected = ($full_name == $stored_emp_name) ? 'selected' : '';
                        ?>
                        <option value="<?php echo $full_name; ?>" 
                            data-erh="<?php echo $employee['erh']; ?>" 
                            data-onbh_rate="<?php echo $employee['onbh_rate']; ?>" 
                            data-trvl-rate="<?php echo $employee['trvl_rate']; ?>" 
                            data-milage-rate="<?php echo $employee['mileage']; ?>" 
                            <?php echo $selected; ?>>
                            <?php echo $full_name; ?>
                        </option>
                    <?php
                    }
                }
                ?>
            </select>
        </div>
    </div>

                                                    <input type="hidden" name="erh" id="erh">
                                                    <input type="hidden" name="onbh_rate" id="onbh_rate">
                                                  
                                                    <div class="col-12 col-sm-3 text-sm-right align-self-center">
                                                        <label class="redial-font-weight-600 mb-3">Rate Type</label>
                                                    </div>
                                                    <div class="col-12 col-sm-5">
                                                        <select id="rate_type" class="form-control">
                                                            <option value="erh">Employee Hour Rate (ERH)</option>
                                                            <option value="onbh_rate">On Behalf Rate (onbh)</option>
                                                        </select>
                                                    </div>

                                                    <div class="col-12 col-sm-4">
                                                        <input type="text" id="rate_value" class="form-control" placeholder="Selected Rate" readonly>
                                                    </div>
                                                   
                                                </div>



           


                                                <div class="col-12 col-sm-2 text-sm-right align-self-center">
                                                    <label class="redial-font-weight-600 mb-3">Travel Time Rate</label>
                                                </div>

                                                <div class="col-12 col-sm-10">
                                                    <div class="col-12 col-sm-4">
                                                    <div class="form-group">
                                                    <input type="text" name="trvl_time_rate" id="trvl_time_rate" value="<?php echo $row['trvl_time_rate']; ?>" class="form-control" placeholder="Travel Time Rate" readonly>

                                                        </div>
                                                    </div>

                                                    <div class="col-12 col-sm-3 text-sm-right align-self-center">
                                                        <label class="redial-font-weight-600 mb-3">Mileage Rate</label>
                                                    </div>

                                                    <div class="col-12 col-sm-5">
                                                        <div class="form-group">
                                                        <input type="text" name="milage_rate" id="milage_rate" value="<?php echo $row['milage_rate']; ?>"  class="form-control" placeholder="Milage Rate" readonly>
                                                        </div>
                                                    </div>
                                                </div>


                                            <!-- </div> -->

                                            <div class="col-12 col-sm-2 text-sm-right align-self-center">
                                                <label class="redial-font-weight-600 mb-3">Start Date & Time</label>
                                            </div>
                                            <div class="col-12 col-sm-10">
                                                <div class="row mb-2">
                                                    <div class="col-12 col-sm-4">
                                                        <input type="datetime-local" id="start_datetime" name="start_datetime" value="<?php echo $row['start_datetime']; ?>" class="form-control">
                                                    </div>
                                                    <div class="col-12 col-sm-3 text-sm-right align-self-center">
                                                        <label class="redial-font-weight-600 mb-3">End Date & Time</label>
                                                    </div>
                                                    <div class="col-12 col-sm-5">
                                                        <input type="datetime-local" id="end_datetime" name="end_datetime" value="<?php echo $row['end_datetime']; ?>" class="form-control">
                                                    </div>
                                                </div>
                                            </div>

                                            

                                            <div class="col-12 col-sm-2 text-sm-right align-self-center">
                                                <label class="redial-font-weight-600 mb-3">Total Time (Hours)</label>
                                            </div>
                                            <div class="col-12 col-sm-10">
                                                <div class="row mb-2">
                                                    <div class="col-12 col-sm-4">
                                                        <input type="text" id="total_time" name="total_time" class="form-control" value="<?php echo $row['total_time']; ?>"  placeholder="Total Time">
                                                    </div>

                                                    <div class="col-12 col-sm-3 text-sm-right align-self-center">
                                                        <label class="redial-font-weight-600 mb-3">Total Amount</label>
                                                    </div>
                                                    <div class="col-12 col-sm-5">
                                                        <input type="text" class="form-control" id="total_amt" name="total_amt" class="form-control" value="<?php echo $row['total_amt']; ?>" placeholder="Total Amount" readonly>
                                                    </div>
                                                </div>
                                            </div>

                                            <div class="col-12 col-sm-2 text-sm-right align-self-center">
                                                <label class="redial-font-weight-600 mb-3">Travel Time hour</label>
                                            </div>
                                            <div class="col-12 col-sm-10">
                                                <div class="row mb-2">
                                                    <div class="col-12 col-sm-4">
                                                        <input type="text" id="total_trvl_time" name="total_trvl_time" class="form-control" value="<?php echo $row['total_trvl_time']; ?>" placeholder="Total Travel Time">
                                                    </div>

                                                    <div class="col-12 col-sm-3 text-sm-right align-self-center">
                                                        <label class="redial-font-weight-600 mb-3">Total Amount</label>
                                                    </div>
                                                    <div class="col-12 col-sm-5">
                                                        <input type="text" class="form-control" id="total_trvl_amt" name="total_trvl_amt" value="<?php echo $row['total_trvl_amt']; ?>" class="form-control" placeholder="Total Travel Amount" readonly>
                                                    </div>
                                                </div>
                                            </div>


                                            <!-- milage -->

                                            <div class="col-12 col-sm-2 text-sm-right align-self-center">
                                                <label class="redial-font-weight-600 mb-3">Travel Mileage Hour</label>
                                            </div>
                                            <div class="col-12 col-sm-10">
                                                <div class="row mb-2">
                                                    <div class="col-12 col-sm-4">
                                                        <input type="text" id="total_milage_time" name="total_milage_time" class="form-control" value="<?php echo $row['total_milage_time']; ?>" placeholder="Total Travel Time">
                                                    </div>

                                                    <div class="col-12 col-sm-3 text-sm-right align-self-center">
                                                        <label class="redial-font-weight-600 mb-3">Total Mileage Amount</label>
                                                    </div>
                                                    <div class="col-12 col-sm-5">
                                                        <input type="text" class="form-control" id="total_milage_amt" name="total_milage_amt" class="form-control" value="<?php echo $row['total_milage_amt']; ?>" placeholder="Total Travel Amount" readonly>
                                                    </div>
                                                </div>
                                            </div>



                                            <div class="col-12 col-sm-2 text-sm-right align-self-center">
                                                <label class="redial-font-weight-600 mb-3">Extra Expenses</label>
                                            </div>
                                            <div class="col-12 col-sm-10">
                                                <div class="row mb-2">
                                                    <div class="col-10 col-sm-4">
                                                        <input type="text" id="extra_expenses" name="extra_expenses" value="<?php echo $row['extra_expenses']; ?>" class="form-control" placeholder="Extra Expenses">
                                                    </div>

                                                    <div class="col-12 col-sm-3 text-sm-right align-self-center">
                                                        <label class="redial-font-weight-600 mb-3">Remark</label>
                                                    </div>
                                                    <div class="col-12 col-sm-5">
                                                        <input type="text" class="form-control" id="remark" name="remark" value="<?php echo $row['remark']; ?>" class="form-control" placeholder="Remark">
                                                    </div>
                                                </div>
                                            </div>


                                          
                                            <div class="col-12 col-sm-2 text-sm-right align-self-center">
                                                <label class="redial-font-weight-600 mb-3">Attachment</label>
                                            </div>
                                            <div class="col-12 col-sm-10">
                                                <div class="row mb-2">
                                                    <div class="col-12 col-sm-4">
                                                        <input type="file" id="attachment" name="attachment" class="form-control" placeholder="Attachment">
                                                        <input type="hidden" name="attachment_old" value="<?php echo $row['attachment']; ?>" >
                                                    </div>
                                                    <div class="col-12 col-sm-2">
                                                    <a href="<?php echo $row['attachment']; ?>" target="_blank">View PDF</a>

                                                        <!-- <embed src="<?php echo "attachment/".$row['attachment']; ?>" width="200px" height="50px" /> -->
                                                    </div>
                                                </div>
                                            </div>

                                            <div class="col-12 col-sm-2 text-sm-right align-self-center">
                                                <label class="redial-font-weight-600 mb-3">Grand Total</label>
                                            </div>
                                            <div class="col-12 col-sm-10">
                                                <div class="row mb-2">
                                                    <div class="col-12 col-sm-4">
                                                    <input type="text" id="grand_total" name="grand_total" value="<?php echo $row['grand_total']; ?>" class="form-control" placeholder="Grand Total" readonly>

                                                        <!-- <input type="text" id="grand_total" name="grand_total" class="form-control" placeholder="Grand Total" readonly> -->
                                                    </div>
                                                    <button type="button" id="calculateBtn" class="btn btn-outline-primary">Calculate Grand Total</button>
                                                </div>
                                            </div>

                                        </div>

                                        <div class="btn-group mb-2" style="margin-left: 39%;">
                                            <button type="submit" name="update_task" class="btn btn-outline-success">Update Task</button>
                                        </div>
                                    </form>

                                    <?php }} ?>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>    

  

    <script>
document.addEventListener("DOMContentLoaded", function () {
    let empDropdown = document.getElementById("emp_name");
    let mileageRateInput = document.getElementById("milage_rate");
    let totalMilageTimeInput = document.getElementById("total_milage_time");
    let totalMilageAmtInput = document.getElementById("total_milage_amt");

    let rateTypeDropdown = document.getElementById("rate_type");
    let rateValueInput = document.getElementById("rate_value");
    let totalTimeInput = document.getElementById("total_time");
    let totalAmountInput = document.getElementById("total_amt");

    function updateRateValues() {
        let selectedEmployee = empDropdown.options[empDropdown.selectedIndex];

        let mileageRate = selectedEmployee.getAttribute("data-milage-rate");
        mileageRateInput.value = mileageRate || "";

        let selectedRateType = rateTypeDropdown.value;
        let rate = selectedRateType === "erh"
            ? selectedEmployee.getAttribute("data-erh")
            : selectedEmployee.getAttribute("data-onbh_rate");

        rateValueInput.value = rate || "";
    }

    function calculateTotalAmount() {
        let rate = parseFloat(rateValueInput.value) || 0;
        let totalTime = parseFloat(totalTimeInput.value) || 0;
        totalAmountInput.value = (rate * totalTime).toFixed(2);
    }

    function calculateTotalMileageAmount() {
        let mileageRate = parseFloat(mileageRateInput.value) || 0;
        let totalMilageTime = parseFloat(totalMilageTimeInput.value) || 0;
        totalMilageAmtInput.value = (mileageRate * totalMilageTime).toFixed(2);
    }

    empDropdown.addEventListener("change", updateRateValues);
    rateTypeDropdown.addEventListener("change", updateRateValues);
    totalTimeInput.addEventListener("input", calculateTotalAmount);
    totalMilageTimeInput.addEventListener("input", calculateTotalMileageAmount);
});

    </script>


    
<!-- grand Total --><script>
    document.addEventListener("DOMContentLoaded", function() {
        // Function to calculate the grand total
        function calculateGrandTotal() {
            var totalAmt = parseFloat(document.getElementById("total_amt").value) || 0;
            var totalTrvlAmt = parseFloat(document.getElementById("total_trvl_amt").value) || 0;
            var totalMilageAmt = parseFloat(document.getElementById("total_milage_amt").value) || 0;
            var extraExpenses = parseFloat(document.getElementById("extra_expenses").value) || 0;


            
            // Calculate grand total
            var grandTotal = totalAmt + totalTrvlAmt + totalMilageAmt + extraExpenses;

            // Update the grand total field
            document.getElementById("grand_total").value = grandTotal.toFixed(2);
        }

        // Event listener for the Calculate button
        document.getElementById("calculateBtn").addEventListener('click', function() {
            calculateGrandTotal(); // Calculate total when button is clicked
        });

        // Optionally, you can still trigger the calculation when the form is submitted
        document.getElementById("taskForm").addEventListener('submit', function(event) {
            calculateGrandTotal(); // Ensure grand total is calculated before form submission
        });
    });
</script>

<!-- grand total -->



    <!-- milage -->
    <script>

    document.addEventListener('DOMContentLoaded', function () {
    
        const mileageInput = document.getElementById('milage_rate');
        const totalMileageTimeInput = document.getElementById('total_milage_time');
        const totalMileageAmtInput = document.getElementById('total_milage_amt');


        totalMileageTimeInput.addEventListener('input', function () {
            const mileageRate = parseFloat(mileageInput.value) || 0; 
            const totalMileageTime = parseFloat(totalMileageTimeInput.value) || 0;
            

            const totalMileageAmt = mileageRate * totalMileageTime;

           
            totalMileageAmtInput.value = totalMileageAmt.toFixed(2); 
        });
    });
</script>

    <!-- milage -->

    <script>
    document.addEventListener('DOMContentLoaded', function () {
        const empNameDropdown = document.getElementById('emp_name');
        const trvlRateField = document.getElementById('trvl_time_rate');
        const totalTrvlTimeField = document.getElementById('total_trvl_time');
        const totalTrvlAmtField = document.getElementById('total_trvl_amt');

       
        empNameDropdown.addEventListener('change', function () {
            const selectedOption = this.options[this.selectedIndex];
            const trvlRate = selectedOption.getAttribute('data-trvl-rate');

                      if (trvlRate) {
                trvlRateField.value = trvlRate;
            } else {
                trvlRateField.value = ''; 
            }

          
            totalTrvlAmtField.value = '';
        });

      
        totalTrvlTimeField.addEventListener('input', function () {
            const trvlRate = parseFloat(trvlRateField.value) || 0; 
            const totalTrvlTime = parseFloat(this.value) || 0; 

         
            const totalTrvlAmt = trvlRate * totalTrvlTime;

          
            totalTrvlAmtField.value = totalTrvlAmt.toFixed(2); 
        });
    });
</script>



    <script>
    document.addEventListener('DOMContentLoaded', function () {
        const empNameDropdown = document.getElementById('emp_name');
        const trvlRateField = document.getElementById('trvl_time_rate');
        const totalTrvlTimeField = document.getElementById('total_trvl_time');
        const totalTrvlAmtField = document.getElementById('total_trvl_amt');

       
        empNameDropdown.addEventListener('change', function () {
            const selectedOption = this.options[this.selectedIndex];
            const trvlRate = selectedOption.getAttribute('data-trvl-rate');

         
            if (trvlRate) {
                trvlRateField.value = trvlRate;
            } else {
                trvlRateField.value = ''; 
            }

       
            totalTrvlAmtField.value = '';
        });

     
        totalTrvlTimeField.addEventListener('input', function () {
            const trvlRate = parseFloat(trvlRateField.value) || 0; 
            const totalTrvlTime = parseFloat(this.value) || 0; 

            const totalTrvlAmt = trvlRate * totalTrvlTime;

           
            totalTrvlAmtField.value = totalTrvlAmt.toFixed(2);
        });
    });
</script>


    <script>
    // document.addEventListener('DOMContentLoaded', function () {
    //     const empNameDropdown = document.getElementById('emp_name');
    //     const erhField = document.getElementById('erh');
    //     const trvlRateField = document.getElementById('trvl_time_rate');
    //     const milageRateField = document.getElementById('milage_rate');

      
    //     empNameDropdown.addEventListener('change', function () {
        
    //         const selectedOption = this.options[this.selectedIndex];

           
    //         const erhValue = selectedOption.getAttribute('data-erh');
    //         const trvlRateValue = selectedOption.getAttribute('data-trvl-rate');
    //         const milageRateValue = selectedOption.getAttribute('data-milage-rate');

          
    //         erhField.value = erhValue ? erhValue : ''; 
    //         trvlRateField.value = trvlRateValue ? trvlRateValue : ''; 
    //         milageRateField.value = milageRateValue ? milageRateValue : ''; 
    //     });
    // });

    document.addEventListener('DOMContentLoaded', function () {
    const empNameDropdown = document.getElementById('emp_name');
    const rateTypeDropdown = document.getElementById('rate_type'); 
    const rateValueField = document.getElementById('rate_value'); // Selected rate value field
    const erhField = document.getElementById('erh');
    const onbhField = document.getElementById('onbh_rate');

    empNameDropdown.addEventListener('change', updateSelectedRate);
    rateTypeDropdown.addEventListener('change', updateSelectedRate);

    function updateSelectedRate() {
        const selectedOption = empNameDropdown.options[empNameDropdown.selectedIndex];
        const selectedRateType = rateTypeDropdown.value;

        // Get the values from selected employee
        const erhValue = selectedOption.getAttribute('data-erh') || 0;
        const onbhValue = selectedOption.getAttribute('data-onbh_rate') || 0;

        // Set the input values based on selected rate type
        if (selectedRateType === 'erh') {
            rateValueField.value = erhValue;
            erhField.value = erhValue; // Store ERH
            onbhField.value = ''; // Clear ONBH
        } else if (selectedRateType === 'onbh_rate') {
            rateValueField.value = onbhValue;
            onbhField.value = onbhValue; // Store ONBH
            erhField.value = ''; // Clear ERH
        }
    }
});

</script>




</div>


        </div>
        <!-- End main-content-->

        <!-- Top To Bottom-->
            <a href="#" class="scrollup text-center redial-bg-primary redial-rounded-circle-50"> 
            <h4 class="text-white mb-0"><i class="icofont icofont-long-arrow-up"></i></h4>
        </a>
    






<script>
    document.addEventListener('DOMContentLoaded', function () {
        const empNameSelect = document.getElementById('emp_name');
        const rateTypeSelect = document.getElementById('rate_type');
        const rateValueInput = document.getElementById('rate_value');
        const travelRateInput = document.getElementById('trvl_time_rate');
        const mileageRateInput = document.getElementById('milage_rate');
        const startDatetimeInput = document.getElementById('start_datetime');
        const endDatetimeInput = document.getElementById('end_datetime');
        const totalTimeInput = document.getElementById('total_time');
        const totalAmtInput = document.getElementById('total_amt');
        const totalTravelTimeInput = document.getElementById('total_trvl_time');
        const totalTravelAmtInput = document.getElementById('total_trvl_amt');
        const totalMileageTimeInput = document.getElementById('total_milage_time');
        const totalMileageAmtInput = document.getElementById('total_milage_amt');
        const extraExpensesInput = document.getElementById('extra_expenses');
        const grandTotalInput = document.getElementById('grand_total');
        const calculateBtn = document.getElementById('calculateBtn');

        function calculateTotalTime(startInput, endInput, outputInput) {
            const start = new Date(startInput.value);
            const end = new Date(endInput.value);
            if (start && end && start < end) {
                const diffHours = (end - start) / (1000 * 60 * 60);
                outputInput.value = diffHours.toFixed(2);
                return diffHours;
            } else {
                outputInput.value = '';
                return 0;
            }
        }

        function updateEmployeeRates() {
            const selectedOption = empNameSelect.options[empNameSelect.selectedIndex];
            const rateType = rateTypeSelect.value;

            let hourlyRate = rateType === 'erh' 
                ? parseFloat(selectedOption.getAttribute('data-erh')) || 0 
                : parseFloat(selectedOption.getAttribute('data-onbh_rate')) || 0;

            rateValueInput.value = hourlyRate.toFixed(2);
            travelRateInput.value = (parseFloat(selectedOption.getAttribute('data-trvl-rate')) || 0).toFixed(2);
            mileageRateInput.value = (parseFloat(selectedOption.getAttribute('data-milage-rate')) || 0).toFixed(2);

            calculateTotalAmount();
        }

        function calculateTotalAmount() {
            const totalTime = calculateTotalTime(startDatetimeInput, endDatetimeInput, totalTimeInput);
            const hourlyRate = parseFloat(rateValueInput.value) || 0;
            totalAmtInput.value = (totalTime * hourlyRate).toFixed(2);
        }

        function calculateTravelAmount() {
            const totalTravelTime = parseFloat(totalTravelTimeInput.value) || 0;
            const travelRate = parseFloat(travelRateInput.value) || 0;
            totalTravelAmtInput.value = (totalTravelTime * travelRate).toFixed(2);
        }

        function calculateMileageAmount() {
            const totalMileageTime = parseFloat(totalMileageTimeInput.value) || 0;
            const mileageRate = parseFloat(mileageRateInput.value) || 0;
            totalMileageAmtInput.value = (totalMileageTime * mileageRate).toFixed(2);
        }

        function calculateGrandTotal() {
            const totalAmt = parseFloat(totalAmtInput.value) || 0;
            const totalTravelAmt = parseFloat(totalTravelAmtInput.value) || 0;
            const totalMileageAmt = parseFloat(totalMileageAmtInput.value) || 0;
            const extraExpenses = parseFloat(extraExpensesInput.value) || 0; // Extra Expenses included

            grandTotalInput.value = (totalAmt + totalTravelAmt + totalMileageAmt + extraExpenses).toFixed(2);
        }

        empNameSelect.addEventListener('change', updateEmployeeRates);
        rateTypeSelect.addEventListener('change', updateEmployeeRates);
        startDatetimeInput.addEventListener('change', calculateTotalAmount);
        endDatetimeInput.addEventListener('change', calculateTotalAmount);
        totalTravelTimeInput.addEventListener('input', calculateTravelAmount);
        totalMileageTimeInput.addEventListener('input', calculateMileageAmount);
        extraExpensesInput.addEventListener('input', calculateGrandTotal);
        calculateBtn.addEventListener('click', calculateGrandTotal);
    });
</script>





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MMCT - 2023