<?php
session_start();
error_reporting(0);
include('includes/config.php');

if (strlen($_SESSION['alogin']) == 0) {
    header('location:index.php');
    exit;
}

// ✅ Delete Publisher (soft or hard)
if (isset($_GET['del'])) {
    $id = intval($_GET['del']);

    // Step 1: Check if this publisher ID exists in tblbooks
    $checkSql = "SELECT COUNT(*) FROM tblbooks WHERE Publisher = :id";
    $checkQuery = $dbh->prepare($checkSql);
    $checkQuery->bindParam(':id', $id, PDO::PARAM_INT);
    $checkQuery->execute();
    $count = $checkQuery->fetchColumn();

    if ($count > 0) {
        // Step 2: Soft delete
        $sql = "UPDATE tblpublishers SET is_deleted = 1 WHERE id = :id";
        $query = $dbh->prepare($sql);
        $query->bindParam(':id', $id, PDO::PARAM_INT);
        $query->execute();
        $_SESSION['delmsg'] = "Publisher deleted successfully";
    } else {
        // Step 3: Hard delete
        $sql = "DELETE FROM tblpublishers WHERE id = :id";
        $query = $dbh->prepare($sql);
        $query->bindParam(':id', $id, PDO::PARAM_INT);
        $query->execute();
        $_SESSION['delmsg'] = "Publisher deleted successfully";
    }

    header('location:manage-publishers.php');
    exit;
}
?>
<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <title>Manage Publishers | Library System</title>
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="icon" type="image/x-icon" href="../<?php echo $_SESSION['logo']; ?>">

    <!-- ✅ Bootstrap 5 -->
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">

    <!-- ✅ DataTables -->
    <link href="https://cdn.datatables.net/1.13.6/css/dataTables.bootstrap5.min.css" rel="stylesheet">

    <!-- ✅ FontAwesome -->
    <link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css" rel="stylesheet">

    <style>
        .square-card {
            background: #f8f9fa;
            border: 1px solid #dee2e6;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
            border-radius: 5px;
        }

        .flash-message {
            max-width: 600px;
            margin: 0 auto 15px;
        }

        .table-wrapper {
            overflow-x: auto;
            padding: 10px;
        }

        .col-md-12 h5 {
            color:   #0d6efd;
            font-size: 20px;
        }

        .btn+.btn {
            margin-left: 5px;
        }
    </style>
</head>

<body>
    <div class="d-flex flex-column min-vh-100">
        <?php include('includes/header.php'); ?>

        <div class="main-content flex-grow-1">
            <div class="row pad-botm mb-4">
                <div class="col-md-12">
                    <h5 class="header-line" style="color:#0d6efd;">MANAGE PUBLISHERS</h5>
                </div>
            </div>

            <!-- ✅ Flash Messages -->
            <div class="row justify-content-center">
                <div class="col-md-8" id="flash-container">
                    <?php
                    foreach (['error', 'msg', 'updatemsg', 'delmsg'] as $type):
                        if (!empty($_SESSION[$type])): ?>
                            <div class="alert alert-<?php echo ($type == 'error') ? 'danger' : 'success'; ?> flash-message">
                                <strong><?php echo ucfirst($type); ?> :</strong> <?php echo htmlentities($_SESSION[$type]); ?>
                            </div>
                            <?php $_SESSION[$type] = ""; ?>
                        <?php endif; endforeach; ?>
                </div>
            </div>

            <!-- ✅ Publishers Table -->
            <div class="card square-card mb-5">
                <div class="card-header bg-secondary text-white d-flex justify-content-between align-items-center">
                    <span><i class="fa fa-building me-2"></i> Publishers List</span>
                    <button class="btn btn-light btn-sm text-dark shadow-sm rounded-pill px-3"
                        onclick="openPublisherModal()">
                        <i class="fa fa-plus-circle"></i> <b>ADD</b>
                    </button>
                </div>
                <div class="card-body table-wrapper">
                    <table id="publishersTable" class="table table-bordered table-hover table-sm text-dark">
                        <thead class="table-theme-header">
                            <tr>
                                <th>#</th>
                                <th>RNI Number</th>
                                <th>Publisher Name</th>
                                <th>Action</th>
                            </tr>
                        </thead>
                        <tbody>
                            
                        </tbody>
                    </table>
                </div>
            </div>

            <!-- ✅ Publisher Modal -->
            <div class="modal fade" id="publisherModal" tabindex="-1">
                <div class="modal-dialog modal-dialog-centered modal-md">
                    <div class="modal-content">
                        <div class="modal-header bg-primary text-white">
                            <h5 class="modal-title" id="publisherModalTitle">Add Publisher</h5>
                            <button type="button" class="btn-close btn-close-white" data-bs-dismiss="modal"></button>
                        </div>
                        <form id="publisherForm">
                            <div class="modal-body">
                                <input type="hidden" id="publisherId" name="publisherId">
                                <div class="form-group mb-3">
                                    <label>RNI Number</label>
                                    <input type="text" id="rniNumber" name="rniNumber" class="form-control">
                                </div>
                                <div class="form-group mb-3">
                                    <label>Publisher Name</label>
                                    <input type="text" id="publisherName" name="publisherName" class="form-control"
                                        required>
                                </div>
                            </div>
                            <div class="modal-footer justify-content-center py-2">
                                <button type="button" class="btn btn-secondary btn-sm" data-bs-dismiss="modal">
                                    <i class="fa fa-times"></i> Cancel
                                </button>
                                <button type="submit" id="saveBtn" class="btn btn-success btn-sm">
                                    <i class="fa fa-save"></i> Save
                                </button>
                            </div>
                        </form>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <?php include('includes/footer.php'); ?>

    <!-- ✅ Scripts -->
    <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script>
    <script src="https://cdn.datatables.net/1.13.6/js/jquery.dataTables.min.js"></script>
    <script src="https://cdn.datatables.net/1.13.6/js/dataTables.bootstrap5.min.js"></script>

    <script>
        $(document).ready(function () {
    $('#publishersTable').DataTable({
        processing: true,
        serverSide: true,
        pageLength: 10,
        ajax: {
            url: "fetch-publishers.php",
            type: "POST"
        },
        responsive: true,
        language: { search: "🔍 Search publishers:" }
    });
});

        // Open Add Modal
        function openPublisherModal() {
            $("#publisherModalTitle").text("Add Publisher");
            $("#publisherId").val("");
            $("#rniNumber").val("");
            $("#publisherName").val("");
            const modal = new bootstrap.Modal(document.getElementById("publisherModal"));
            modal.show();
        }

        // Open Edit Modal
        function editPublisher(id, rniNumber, publisherName) {
            $("#publisherModalTitle").text("Edit Publisher");
            $("#publisherId").val(id);
            $("#rniNumber").val(rniNumber);
            $("#publisherName").val(publisherName);
            const modal = new bootstrap.Modal(document.getElementById("publisherModal"));
            modal.show();
        }

        // ✅ AJAX Save/Update
        $("#publisherForm").on("submit", function (e) {
            e.preventDefault();
            $.ajax({
                url: "save-publisher.php",
                type: "POST",
                data: $(this).serialize(),
                dataType: "json",
                success: function (response) {
                    $("#publisherModal").modal("hide");
                    $("#flash-container .flash-message").remove();

                    let alertType = response.status === "success" ? "success" : "danger";
                    $("#flash-container").prepend(`
                <div class="alert alert-${alertType} flash-message text-center">
                    <strong>${response.status === "success" ? "Success!" : "Error!"}</strong> ${response.message}
                </div>
            `);
                    setTimeout(() => $(".flash-message").fadeOut(), 3000);

                    if (response.status === "success") {
                        setTimeout(() => location.reload(), 1500);
                    }
                },
                error: function () {
                    $("#flash-container .flash-message").remove();
                    $("#flash-container").prepend(`
                <div class="alert alert-danger flash-message text-center">
                    ⚠️ Something went wrong! Please try again.
                </div>
            `);
                    setTimeout(() => $(".flash-message").fadeOut(), 3000);
                }
            });
        });
    </script>
</body>

</html>