<?php
include("db/cn.php"); // Include your database connection
ob_start();
if (isset($_SESSION['user_name']) && isset($_SESSION['user_role']) && isset($_SESSION['outlet_name']) && isset($_SESSION['outlet_address'])) {
    $userName = $_SESSION['user_name'];
    $userRole = $_SESSION['user_role'];
    $outlet_address = $_SESSION['outlet_address'];
    $outlet_name = $_SESSION['outlet_name'];
}
ob_end_flush();

// Check if the filter form is submitted
if (isset($_POST['filter'])) {
    // Convert dates to the correct format 'YYYY-MM-DD'
    $creditor = $_POST['supplier'];  // Get the selected creditor from dropdown
    $startDate = date('Y-m-d', strtotime($_POST['startDate'])); // Ensure the date is in 'YYYY-MM-DD' format
    $endDate = date('Y-m-d', strtotime($_POST['endDate']));     // Ensure the date is in 'YYYY-MM-DD' format

    error_log("Creditor: $creditor, Start Date: $startDate, End Date: $endDate");

    // Fetch the opening cash from creditor_opening_amount table for the most recent date before or on the start date
    $openingQuery = "
        SELECT open_amount AS amount
        FROM creditor_opening_amount 
        WHERE creditor_name = '$creditor' 
        AND date_time BETWEEN '$startDate' AND '$endDate' 
        ORDER BY date_time LIMIT 1";

    $openingResult = mysqli_query($connection, $openingQuery);
    if (!$openingResult) {
        error_log("SQL Error: " . mysqli_error($connection));
    }
    $openingRow = mysqli_fetch_assoc($openingResult);
    $openingBalance = $openingRow ? $openingRow['amount'] : 0;

    $transactions = []; // Array to store all transactions

    // Fetch all transactions from log_user_sales table (include paid_by field)
    $creditSalesQuery = "
        SELECT date_time AS date, discount_amount AS amount, paid_by 
        FROM log_user_sales 
        WHERE customer_name = '$creditor' 
        AND date_time BETWEEN '$startDate' AND '$endDate' 
        GROUP BY order_id, paid_by";

    $creditSalesResult = mysqli_query($connection, $creditSalesQuery);
    while ($row = mysqli_fetch_assoc($creditSalesResult)) {
        $transactions[] = [
            'date' => $row['date'],
            'description' => 'Credit Sale',
            'amount' => $row['amount'],
            'paid_by' => $row['paid_by']
        ];
    }

    // Fetch Credit Sale Returns from order_detail table (include paid_by field)
    $creditReturnQuery = "
        SELECT date_time AS date, discount_amount AS amount, paid_by, status 
        FROM log_user_sales 
        WHERE customer_name = '$creditor' AND status = 'refund'
        AND date_time BETWEEN '$startDate' AND '$endDate' 
        GROUP BY r_order_id, paid_by";

    $creditReturnResult = mysqli_query($connection, $creditReturnQuery);
    while ($row = mysqli_fetch_assoc($creditReturnResult)) {
        $transactions[] = [
            'date' => $row['date'],
            'description' => 'Credit Sale Return',
            'amount' => -$row['amount'],
            'paid_by' => $row['paid_by']
        ];
    }

    // Fetch Credit Received from credit_paid table (include paid_by field)
    $creditReceivedQuery = "
        SELECT date_time AS date, amount, paid_by 
        FROM credit_paid 
        WHERE cr_name = '$creditor' 
        AND date_time BETWEEN '$startDate' AND '$endDate'";

    $creditReceivedResult = mysqli_query($connection, $creditReceivedQuery);
    while ($row = mysqli_fetch_assoc($creditReceivedResult)) {
        $transactions[] = [
            'date' => $row['date'],
            'description' => 'Credit Received',
            'amount' => -$row['amount'],
            'paid_by' => $row['paid_by']
        ];
    }

    // Sort transactions by date
    usort($transactions, function($a, $b) {
        return strtotime($a['date']) - strtotime($b['date']);
    });

    // Calculate the running balance starting with the opening balance
    $balance = $openingBalance;
}

// Fetch creditor names to populate the dropdown
$creditorQuery = "SELECT DISTINCT cr_name FROM credit_note";
$creditorResult = mysqli_query($connection, $creditorQuery);
?>
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Recieveable Report</title>
    <link href="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css" rel="stylesheet">

<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.4/css/all.min.css">
</head>
<style>
 #table-container-wrapper {
    max-height: 460px; /* Adjust the maximum height as needed */
    overflow-y: auto; /* Enable vertical scroll when content overflows */
}


@media (max-width: 880px) {
    .col-4 {
        width: 33.33% !important;
    }
    .fa-wifi {
        display: none !important;
    }
    .col-6 {
        width: 50% !important;
    }
}

@media (min-width: 880px) {
    .sidebar {
        width: 100%;
        /* Change sidebar width to 100% on mobile */
        max-width: 120px; /* Set maximum width for the sidebar */
    }
}

@media (min-width: 880px) {
    .main-content {
        margin-left: ; /* Width of the sidebar */
    }
}

/* Added new class to control overlay */
.overlay {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background-color: rgba(0, 0, 0, 0.6);
    z-index: 999;
    display: none; /* Initially hidden */
} /* Custom styles for sidebar */
    .sidebar {
        width: 100px;
        background: linear-gradient(180deg, #3C2F23, #060606);
        position: fixed;
        bottom: 0;
        top: 60px;
        transition: transform 0.3s ease-in-out;
        transform: translateX(0);
        z-index: 1;
        height: 100%;
        border-radius: 0px;
		   transition: transform 0.3s ease-in-out, width 0.3s ease-in-out;
    }

    .sidebar.hide {
        transform: translateX(-100px);
        /* Move sidebar out of the viewport when it is hidden */
    }

    .sidebar .nav-item {
        padding: 10px 0;
        text-align: center;
        position: relative;
        font-size: 12px;
    }

    .sidebar .nav-link {
        color: #fff;
        position: relative;
        /* Ensure icon and text are positioned relative to the nav link */
        z-index: 2;
        /* Ensure the text and icon are above the hover background */
    }

    .sidebar .nav-link i {
        margin-bottom: 5px;
        /* Adjust the margin of the icon */
    }

    /* Custom styles for hover effect */
    .sidebar .nav-item:hover:after {
        background-color: #fff;
        content: '';
        position: absolute;
        left: 0;
        bottom: 0;
        width: 100%;
        height: 100%;
        z-index: 1;
        /* Ensure the hover background is below the text and icon */
    }

    .sidebar .nav-item:hover .nav-link {
        color: #503F2E;
    }

    /* Custom styles for divider */
    .sidebar .nav-item:after {
        content: "";
        position: absolute;
        left: 0;
        bottom: 0;
        width: 100%;
        height: 1px;
        background-color: #fff;
        transition: height 0.3s ease-in-out;
        /* Transition effect for smooth animation */
    }

    /* Custom styles for header */
 .header {
		
       background: linear-gradient(100deg, #3C2F23, #060606);
        color: #fff;
        padding: 10px;
        position: fixed;
        top: 0;
        width: 100%;
        z-index: 2;
        height: 69px;
        box-shadow: #FFF 2px 0px 0px 0px;
        /* Ensure header appears above sidebar */
    }

    .header .navbar-toggler {
        color: #fff;
    }

    .header .navbar-toggler-icon {
        color: #fff;
        /* Set the color of the toggle button to white */
    }

    .header .navbar-toggler.white {
        color: #fff !important;
        /* Ensure the toggle button is white */
    }

    .header .navbar-brand {
        color: #fff;
        /* Set navbar brand text color to white */
    }

    .header .nav-item .nav-link {
        color: #fff;
        /* Set nav link text color to white */
    }

.main-content {
    margin-top: 50px; /* Height of fixed header */
    margin-left: 70px; /* Initially, set margin-left to 0 */
    padding-top: 30px; /* Height of fixed header */
    transition: margin-left 0.3s ease-in-out; /* Add transition for smoother animation */
}


    /* Custom styles for search bar */
    .search-container {
        display: flex;
        align-items: center;
       width:100%;
        margin: 2px auto;


        float:left;
	}

/* Updated hide class to apply to the overlay */
.sidebar.hide, .overlay.hide {
    transform: translateX(-100%);
}

    .search-input {
        width: 100%;
        padding: 10px 30px 10px 10px;
        /* Adjust padding to accommodate the icon */
        border: 1px solid #ccc;
        border-radius: 20px;
        font-size: 16px;
    }

    .search-icon {
        position: relative;
        left: -25px;
        /* Adjust the position of the icon */
        color: #aaa;
    }

    .search-icon i {
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
    }    .btn-dark {
        background: #503F2E;
        color: #fff;
        border: 1px solid #503F2E;
    }

    .btn-dark:hover {
        background: #fff;
        color: #503F2E;
        border: 1px solid #503F2E;
    }

    .bg-dark2 {
        background: #503F2E;
        color: #fff;
    }


    .modal-content {
        animation: modal-animation 0.5s;
    }

    @keyframes modal-animation {
        from {
            opacity: 0;
            transform: scale(0.8);
        }

        to {
            opacity: 1;
            transform: scale(1);
        }
    }	
    		.card {
    transition: all 0.3s ease-in-out;
    padding:10px;
}

.card:hover {
    background: #503F2E;
    color: #fff;
    box-shadow: 0 0 15px rgba(60, 47, 35, 0.7); /* Soft glow effect with color #1A5319 and opacity */
    border-radius: 10px;
	border:1px solid #fff;
	
}
	
</style>
<body>
<?php include("common/hd.php"); ?>
<?php include("common/sd.php"); ?>
<div class="main-content">
    <div class="container mt-5">
    <h3 style="width:405px; height:66px; text-align:center; background:#503F2E; color:#fff; padding:12px; border-radius:10px;">Recieveable Report</h3><br>
        <form method="post">
            <div class="row">
                <div class="col-md-3">
                    <div class="form-group">
                        <label for="supplier">Creditor Name:</label>
                        <select class="form-control" name="supplier" required>
                            <option value="">Select Creditor</option>
                            <?php
                            // Populate creditor names in the dropdown
                            while ($row = mysqli_fetch_assoc($creditorResult)): ?>
                                <option value="<?= $row['cr_name'] ?>"><?= $row['cr_name'] ?></option>
                            <?php endwhile; ?>
                        </select>
                    </div>
                </div>
            </div>

            <div class="row">
                <div class="col-md-4">
                    <div class="form-group">
                        <label for="startDate">Start Date:</label>
                        <input type="date" class="form-control" name="startDate" required>
                    </div>
                </div>
                <div class="col-md-4">
                    <div class="form-group">
                        <label for="endDate">End Date:</label>
                        <input type="date" class="form-control" name="endDate" required>
                    </div>
                </div>
                <div class="col-md-4">
                    <div class="form-group">
                        
                        <button type="submit" class="btn btn-dark" name="filter" style="margin-top:30px;">Filter</button>
                         <a href="report_recieve.php"><button type="button" class="btn btn-dark"  style="margin-top:30px;"><i class="fas fa-sync-alt fa-1x"></i></button></a>
<button id="downloadExcel" class="btn btn-dark " style="margin-top:30px;">Download </button>
<a href="report_p.php"><button type="button" class="btn btn-dark" style="margin-top:30px;"><i class="fas fa-arrow-left fa-1x"></i></button></a>
                    </div>
                </div>
            </div>
        </form>

        <br>
        <?php if (isset($transactions)): ?>
            <h5 class="text-center" style="background:#503F2E;color:#fff; padding:20px; border-radius:10px; text-transform:capitalize;">
                Credit Ledger Report for Creditor: <strong><?= $creditor ?></strong>
            </h5>
<div class="col-sm-12" id="table-container-wrapper">
                <table id="patientTable" class="table table-striped table-hover text-center table-sm">
                    <thead>
                    <tr class="bg-dark text-white">
                        <th>Date</th>
                        <th>Description</th>
                        <th>Paid By</th>
                        <th>Amount</th>
                        <th>Balance</th>
                    </tr>
                    </thead>
                    <tbody>
                    <tr>
                        <td><?= $startDate ?></td>
                        <td>Opening Balance</td>
                        <td>-</td>
                        <td><?= number_format($openingBalance, 2) ?></td>
                        <td><?= number_format($openingBalance, 2) ?></td>
                    </tr>
                    <?php foreach ($transactions as $transaction): ?>
                        <?php 
                        // Update balance only if 'paid_by' is 'credit' for Credit Sale or Credit Sale Return
                        if ($transaction['paid_by'] === 'credit' && 
                            ($transaction['description'] === 'Credit Sale' || $transaction['description'] === 'Credit Sale Return')) {
                            $balance += $transaction['amount'];
                        }
                        ?>
                        <tr>
                            <td><?= $transaction['date'] ?></td>
                            <td><?= $transaction['description'] ?></td>
                            <td><?= ucfirst($transaction['paid_by']) ?></td>
                            <td><?= number_format($transaction['amount'], 2) ?></td>
                            <td><?= number_format($balance, 2) ?></td>
                        </tr>
                    <?php endforeach; ?>
                    </tbody>
                </table>
            </div>

            <div class="row">
                <div class="col-sm-12">
                    <table class="table">
                        <tfoot>
                        <tr>
                            <th>Final Balance:</th>
                            <td><?= number_format($balance, 2) ?></td>
                        </tr>
                        </tfoot>
                    </table>

                </div>
            </div>
        <?php endif; ?>
    </div>
</div>
</body>
<!-- Include the SheetJS (xlsx) library -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/xlsx/0.16.9/xlsx.full.min.js"></script>

<!-- JavaScript for exporting the table data to Excel -->
<script>
    document.getElementById('downloadExcel').addEventListener('click', function() {
        // Get the table element
        var table = document.getElementById('patientTable');

        // Clean the table to avoid potential issues with hidden rows or formatting
        var clone = table.cloneNode(true); // Clone the table
        var rows = clone.querySelectorAll('tr');

        // Remove hidden or empty rows if necessary
        rows.forEach(function(row) {
            if (row.style.display === 'none' || row.innerText.trim() === '') {
                row.remove();
            }
        });

        // Convert the table into a worksheet using SheetJS
        var workbook = XLSX.utils.table_to_book(clone, { sheet: "Patients" });

        // Export the Excel file with a proper name
        try {
            XLSX.writeFile(workbook, 'Recieveable_data.xlsx');
        } catch (error) {
            console.error("Error while writing the file: ", error);
            alert("Error generating Excel file. Please check if the SheetJS library is properly loaded.");
        }
    });
</script>
</html>