@extends('layouts.index')

@section('content')
    <style>
        select[name="agent_id"] option {
            color: black !important;
            background-color: white !important;
            display: block !important;
        }

        select[name="agent_id"] {
            height: auto !important;
            background-color: white !important;
        }

        .payment-btn {
            background: linear-gradient(135deg, #28a745, #20c997);
            border: none;
            color: white;
            padding: 12px 30px;
            font-size: 16px;
            font-weight: bold;
            border-radius: 8px;
            box-shadow: 0 4px 15px rgba(40, 167, 69, 0.3);
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
            margin: 0 10px;
        }

        .payment-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(40, 167, 69, 0.4);
            color: white;
            text-decoration: none;
        }

        .payment-btn:disabled {
            opacity: 0.6;
            cursor: not-allowed;
            transform: none;
        }

        .secondary-btn {
            background: #6c757d;
            border: none;
            color: white;
            padding: 10px 20px;
            font-size: 14px;
            border-radius: 6px;
            text-decoration: none;
            display: inline-block;
            margin: 0 5px;
            transition: all 0.3s ease;
        }

        .secondary-btn:hover {
            background: #5a6268;
            color: white;
            text-decoration: none;
        }

        .action-buttons {
            text-align: center;
            margin-top: 20px;
        }

        .modal-content {
            border-radius: 15px;
            border: none;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
            overflow: hidden;
        }

        .modal-header {
            background: linear-gradient(135deg, #28a745, #20c997);
            color: white;
            border: none;
            padding: 25px 30px;
        }

        .modal-header .close {
            color: white;
            opacity: 0.8;
            font-size: 24px;
            text-shadow: none;
        }

        .modal-title {
            font-size: 24px;
            font-weight: 600;
        }

        .amount-display {
            background: linear-gradient(135deg, #e3f2fd, #f1f8e9);
            border: 2px solid #28a745;
            border-radius: 15px;
            padding: 20px;
            text-align: center;
            margin: 20px 0;
        }

        .amount-display .amount-value {
            font-size: 28px;
            font-weight: bold;
            color: #2e7d32;
            margin: 10px 0;
        }

        .nav-tabs {
            border-bottom: 3px solid #e9ecef;
            background: #f8f9fa;
            margin: 0;
        }

        .nav-tabs > li > a {
            border: none;
            border-radius: 0;
            padding: 15px 25px;
            font-weight: 600;
            color: #6c757d;
            transition: all 0.3s ease;
        }

        .nav-tabs > li.active > a {
            background: white;
            color: #28a745;
            border-bottom: 3px solid #28a745;
            font-weight: 700;
        }

        .mpesa-instructions {
            background: linear-gradient(135deg, #e3f2fd, #f1f8e9);
            border: 2px solid #e8f5e8;
            border-radius: 15px;
            padding: 25px;
        }

        .mpesa-instructions ol {
            counter-reset: step-counter;
            list-style: none;
            padding-left: 0;
        }

        .mpesa-instructions ol li {
            counter-increment: step-counter;
            margin-bottom: 15px;
            padding-left: 45px;
            position: relative;
            line-height: 1.6;
            font-size: 16px;
        }

        .mpesa-instructions ol li::before {
            content: counter(step-counter);
            position: absolute;
            left: 0;
            top: 0;
            background: #28a745;
            color: white;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 14px;
        }

        .payment-detail {
            background: #fff;
            border: 2px dashed #28a745;
            border-radius: 8px;
            padding: 12px;
            margin: 8px 0;
            text-align: center;
            font-family: 'Courier New', monospace;
            font-weight: bold;
            font-size: 16px;
            color: #2e7d32;
        }

        .btn-success-custom {
            background: linear-gradient(135deg, #28a745, #20c997);
            border: none;
            border-radius: 10px;
            padding: 15px 25px;
            font-weight: 600;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(40, 167, 69, 0.3);
        }

        .btn-success-custom:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(40, 167, 69, 0.4);
        }

        .stk-form-container {
            background: #fff;
            border-radius: 15px;
            padding: 30px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            margin: 20px 0;
        }

        .form-control {
            border-radius: 8px;
            border: 2px solid #e9ecef;
            padding: 12px 15px;
            font-size: 16px;
        }

        .form-control:focus {
            border-color: #28a745;
            box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.25);
        }

        .form-group label {
            font-weight: 600;
            color: #333;
            margin-bottom: 8px;
        }

        .help-block {
            font-size: 14px;
            color: #6c757d;
        }

        .alert {
            border-radius: 8px;
            padding: 15px;
            margin-top: 20px;
            font-size: 16px;
        }
    </style>

    <div class="row">
        <!-- Invoice Details -->
        <div class="col-md-12">
            <h3>Invoice Details</h3>
            <div class="panel panel-default">
                <div class="panel-body text-center">
                    <img src="{{ asset('images/fpos.png') }}" alt="PureWellness" class="img-responsive center-block" style="max-height: 50px;">
                    <p><strong>PureWellness</strong></p>
                    <p>{{ $order->order_date }}</p>
                    <p>Sales Receipt</p>
                    <p>Sold By: {{ $order->user->name ?? 'Unknown' }}</p>
                    <p>Sold To: {{ $order->customer->name ?? 'Walk-in Customer' }} ({{ $order->customer->phone ?? 'No phone' }})</p>

                    <table class="table table-bordered">
                        <thead>
                            <tr>
                                <th>Item</th>
                                <th>Qty</th>
                                <th>Price</th>
                                <th>Discount</th>
                                <th>Total</th>
                            </tr>
                        </thead>
                        <tbody>
                            @foreach ($orderItems as $item)
                                <tr>
                                    <td>{{ $item->product->product_name ?? 'Unknown Product' }}</td>
                                    <td>{{ number_format($item->quantity, 2) }}</td>
                                    <td>KES {{ number_format($item->price, 2) }}</td>
                                    <td>{{ number_format($item->discount ?? 0, 2) }}%</td>
                                    <td>KES {{ number_format($item->subtotal, 2) }}</td>
                                </tr>
                            @endforeach
                        </tbody>
                    </table>

                    <div class="text-right">
                        <p>Sub Total: <strong>KES {{ number_format($order->total_amount, 2) }}</strong></p>
                        <p>Total: <strong>KES {{ number_format($order->total_amount, 2) }}</strong></p>
                        @if ($invoice->creditNotes->count() > 0)
                            <p class="text-success">Credit Notes: <strong>KES {{ number_format($invoice->total_credits, 2) }}</strong></p>
                        @endif
                        <p class="text-danger">Outstanding: <strong>KES {{ number_format(floor($invoice->amount - $invoice->paid), 0) }}</strong></p>
                    </div>

                    <p class="text-muted">Note: Orders not paid within 24 hours will be canceled. Download the receipt for Pay Later option.</p>

                    <!-- Action Buttons -->
                    <div class="action-buttons">
                        <a href="{{ route('download.receipt', $order->id) }}" class="secondary-btn">
                            <i class="fa fa-download"></i> Download Receipt
                        </a>
                        <button type="button" class="payment-btn" data-toggle="modal" data-target="#paymentModal">
                            <i class="fa fa-mobile"></i> Pay Now - KES {{ number_format(floor($invoice->amount - $invoice->paid), 0) }}
                        </button>
                        <a href="{{ route('purchace.pay.later') }}" class="secondary-btn">
                            <i class="fa fa-clock-o"></i> Pay Later
                        </a>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <!-- Payment Modal -->
    <div class="modal fade" id="paymentModal" tabindex="-1" role="dialog" aria-labelledby="paymentModalLabel">
        <div class="modal-dialog modal-lg" role="document">
            <div class="modal-content">
                <div class="modal-header">
                    <button type="button" class="close" data-dismiss="modal" aria-label="Close">
                        <span aria-hidden="true">&times;</span>
                    </button>
                    <h4 class="modal-title" id="paymentModalLabel">
                        <i class="fa fa-mobile"></i> M-Pesa Payment - KES {{ number_format(floor($invoice->amount - $invoice->paid), 0) }}
                    </h4>
                </div>
                <div class="modal-body">
                    <ul class="nav nav-tabs" role="tablist">
                        <li role="presentation" class="active">
                            <a href="#stk-push" aria-controls="stk-push" role="tab" data-toggle="tab">
                                <i class="fa fa-mobile"></i> STK Push
                            </a>
                        </li>
                        <li role="presentation">
                            <a href="#mpesa-instructions" aria-controls="mpesa-instructions" role="tab" data-toggle="tab">
                                <i class="fa fa-info-circle"></i> Manual Payment
                            </a>
                        </li>
                    </ul>

                    <div class="tab-content" style="margin-top: 20px;">
                        <!-- STK Push Tab -->
                        <div role="tabpanel" class="tab-pane active" id="stk-push">
                            <div class="stk-form-container">
                                <!-- Amount Display -->
                                <div class="amount-display">
                                    <h4 style="margin: 0; color: #666;">Amount to Pay</h4>
                                    <div class="amount-value">KES {{ number_format(floor($invoice->amount - $invoice->paid), 0) }}</div>
                                    <p style="margin: 0; color: #666;">Order: {{ $order->order_number }}</p>
                                </div>

                                <!-- STK Push Form -->
                                <form id="stk-push-form" method="POST" action="/mpesa/c2b/initiate">
                                    @csrf
                                    <div class="form-group">
                                        <label for="phone">
                                            <i class="fa fa-phone"></i> M-Pesa Phone Number
                                        </label>
                                        <input type="text" 
                                               id="phone" 
                                               name="phone" 
                                               class="form-control" 
                                               value="{{ $order->customer->phone ?? '' }}" 
                                               placeholder="254712345678" 
                                               required
                                               aria-describedby="phone-help">
                                        <small id="phone-help" class="help-block">Enter your M-Pesa registered phone number</small>
                                    </div>

                                    <!-- Hidden amount field (integer for M-Pesa compatibility) -->
                                    <input type="hidden" name="amount" value="{{ floor($invoice->amount - $invoice->paid) }}">

                                    <!-- Hidden reference field -->
                                    <input type="hidden" name="reference" value="{{ $order->order_number }}">

                                    <button type="submit" class="payment-btn btn-success-custom" style="width: 100%; margin: 20px 0 0 0;">
                                        <i class="fa fa-send"></i> Send Payment Request
                                    </button>
                                </form>

                                <!-- Status Messages -->
                                <div id="payment-status" style="margin-top: 20px; display: none;">
                                    <div class="alert alert-info">
                                        <i class="fa fa-spinner fa-spin"></i> Sending payment request to your phone...
                                    </div>
                                </div>
                            </div>
                        </div>

                        <!-- Manual Payment Instructions Tab -->
                        <div role="tabpanel" class="tab-pane" id="mpesa-instructions">
                            <div class="mpesa-instructions">
                                <h4><i class="fa fa-mobile"></i> M-Pesa Paybill Instructions</h4>
                                <div style="background: #f8f9fa; border-left: 4px solid #28a745; padding: 15px; margin: 15px 0;">
                                    <p><strong>Follow these steps to pay via M-Pesa:</strong></p>
                                    <ol>
                                        <li>Go to the M-Pesa menu on your phone.</li>
                                        <li>Select <strong>Lipa na M-Pesa</strong>.</li>
                                        <li>Choose <strong>Paybill</strong>.</li>
                                        <li>Enter Paybill Number: <strong>{{ env('MPESA_SHORTCODE', '174379') }}</strong></li>
                                        <li>Enter Account Number: <strong>INV{{ $order->order_number }}</strong></li>
                                        <li>Enter Amount: <strong>KES {{ number_format(floor($invoice->amount - $invoice->paid), 0) }}</strong></li>
                                        <li>Enter your M-Pesa PIN and confirm.</li>
                                    </ol>
                                </div>

                                <div class="bg-gradient-to-r from-blue-50 to-amber-50 border-l-4 border-blue-400 rounded-xl p-4 my-6 flex items-start space-x-3 shadow-sm hover:shadow-md transition-all duration-300 hover:-translate-y-0.5">
                                    <div class="bg-yellow-400 text-white w-10 h-10 rounded-full flex items-center justify-content flex-shrink-0 shadow-md">
                                        <svg class="w-5 h-5" fill="currentColor" viewBox="0 0 24 24">
                                            <path d="M9,21C9,21.5 9.4,22 10,22H14C14.6,22 15,21.5 15,21V20H9V21M12,2A7,7 0 0,0 5,9C5,11.38 6.19,13.47 8,14.74V17A1,1 0 0,0 9,18H15A1,1 0 0,0 16,17V14.74C17.81,13.47 19,11.38 19,9A7,7 0 0,0 12,2M9,16V15.27L8.15,14.73C6.8,13.86 6,12.5 6,9A6,6 0 0,1 12,3A6,6 0 0,1 18,9C18,12.5 17.2,13.86 15.85,14.73L15,15.27V16H9Z" />
                                        </svg>
                                    </div>
                                    <div class="text-blue-800 leading-relaxed flex-1 text-sm">
                                        <span class="font-semibold text-blue-900">Helpful Tip:</span> After completing your M-Pesa payment, click the button below to verify your transaction status.
                                    </div>
                                </div>

                                <div class="text-center">
                                    <button type="button" class="btn btn-success btn-success-custom" onclick="checkmanualPaymentStatus('{{ $order->order_number }}')">
                                        <i class="fa fa-refresh"></i> Check Payment Status
                                    </button>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
                </div>
            </div>
        </div>
    </div>

    <script>
    $(document).ready(function() {
        // Phone number formatting
        $('#phone').on('input', function() {
            let value = $(this).val().replace(/\D/g, '');
            
            if (value.length === 10 && value.startsWith('0')) {
                value = '254' + value.substring(1);
            } else if (value.length === 9) {
                value = '254' + value;
            }
            
            if (value.match(/^254[0-9]{0,9}$/)) {
                $(this).val(value);
            } else {
                $(this).addClass('is-invalid');
                $('#phone-help').addClass('text-danger').text('Please enter a valid phone number (e.g., 254712345678)');
            }
        });

        // Clear validation on focus
        $('#phone').on('focus', function() {
            $(this).removeClass('is-invalid');
            $('#phone-help').removeClass('text-danger').text('Enter your M-Pesa registered phone number');
        });

        // STK Push form submission
        $('#stk-push-form').on('submit', function(event) {
            event.preventDefault();
            
            const form = $(this);
            const submitBtn = form.find('button[type="submit"]');
            
            // Disable button and show processing
            submitBtn.prop('disabled', true).html('<i class="fa fa-spinner fa-spin"></i> Processing...');
            $('#payment-status').show().html('<div class="alert alert-info"><i class="fa fa-spinner fa-spin"></i> Sending payment request to your phone...</div>');

            $.ajax({
                url: form.attr('action'),
                method: 'POST',
                data: form.serialize(),
                headers: {
                    'X-CSRF-TOKEN': '{{ csrf_token() }}'
                },
                beforeSend: function() {
                    $.notify({
                        message: 'Initiating STK Push...'
                    }, {
                        type: 'success',
                        placement: { from: 'top', align: 'right' },
                        delay: 3000
                    });
                },
                success: function(response) {
                    if (response.success) {
                        $('#payment-status').html('<div class="alert alert-success"><i class="fa fa-check"></i> ' + response.message + '</div>');
                        $.notify({
                            message: response.message
                        }, {
                            type: 'success',
                            placement: { from: 'top', align: 'right' },
                            delay: 10000
                        });
                        
                        // Start polling for payment status
                     setTimeout(function() {
    checkPaymentStatus(response.CheckoutRequestID);
}, 10000);
                    } else {
                        $('#payment-status').html('<div class="alert alert-danger"><i class="fa fa-times"></i> ' + response.message + '</div>');
                        submitBtn.prop('disabled', false).html('<i class="fa fa-send"></i> Send Payment Request');
                        $.notify({
                            message: response.message
                        }, {
                            type: 'danger',
                            placement: { from: 'top', align: 'right' },
                            delay: 10000
                        });
                    }
                },
                error: function(xhr) {
                    const message = xhr.responseJSON?.message || 'Failed to initiate payment';
                    $('#payment-status').html('<div class="alert alert-danger"><i class="fa fa-times"></i> ' + message + '</div>');
                    submitBtn.prop('disabled', false).html('<i class="fa fa-send"></i> Send Payment Request');
                    $.notify({
                        message: message
                    }, {
                        type: 'danger',
                        placement: { from: 'top', align: 'right' },
                        delay: 10000
                    });
                }
            });
        });
    });

      // Poll payment status
            function checkPaymentStatus(agentRequestId) {
                $.ajax({
                    url: '/checkStatus/' + agentRequestId,
                    method: 'GET',
                    headers: {
                        'X-CSRF-TOKEN': '{{ csrf_token() }}'
                    },
                    success: function(data) {
                        if (data.success) {

if(data.status == "completed"){
  $.notify("Transaction successfull", { type: 'success' });
                            setTimeout(function() { window.location.reload(); }, 2000); // Refresh page after success
}else if(data.status == "canceled"){
$.notify({ message: data.error_message }, { type: 'danger' });
    setTimeout(function() { window.location.reload(); }, 2000); // Refresh page after success
}

else{
 setTimeout(function() { checkPaymentStatus(agentRequestId); }, 10000); // Retry after 5 seconds


}

                       
                        } else {
                           // $.notify({ message: data.message }, { type: 'danger' });
                            setTimeout(function() { checkPaymentStatus(agentRequestId); }, 10000); // Retry after 5 seconds
                        }
                    },
                    error: function(xhr) {
                        $.notify({ message: xhr.responseJSON.message || "Error checking payment status...." }, { type: 'danger' });
                    }
                });
            }




               // Poll payment status
        function checkmanualPaymentStatus(agentRequestId) {
            $.ajax({
                url: '/checkpayment/' + agentRequestId,
                method: 'POST',
                headers: {
                    'X-CSRF-TOKEN': '{{ csrf_token() }}'
                },
                success: function(data) {
                    if (data.success) {

                     if(data.is_paid == true){
      $.notify({ message: data.message }, { type: 'success' });
                        setTimeout(function() { window.location.reload(); }, 2000); // Refresh page after success
                     }
                     else{
        $.notify({ message: data.message }, { type: 'danger' });
                        setTimeout(function() { checkmanualPaymentStatus(agentRequestId); }, 10000); // Retry after 5 seconds

                     }
                  
                    } else {
        $.notify( "An error occured please try again later", { type: 'danger' });

                    }
                },
                error: function(xhr) {
                    $.notify({ message: xhr.responseJSON.message || "Error checking payment status...." }, { type: 'danger' });
                }
            });
        }
   

    </script>
@endsection