@extends('layouts.app')

@push('styles')
<link href="https://cdn.jsdelivr.net/npm/flatpickr/dist/flatpickr.min.css" rel="stylesheet">
<style>
.mobile-class-card {
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
input[disabled] {
    background-color: #f8f9fa !important;
    color: #6c757d;
    cursor: not-allowed;
}

</style>
@endpush

@section('content')
<div class="page-container">
    <div class="row">
        <div class="col-12">
            <div class="page-title-head d-flex align-items-center flex-wrap">
                <div class="flex-grow-1">
                    <h4 class="fs-18 text-uppercase fw-bold m-0">
                        {{ $physical_client->name ?? 'Client' }} - {{ $physical_client->userInformation->selected_package ?? 'Package Not Found' }}
                    </h4>
                </div>
            </div>
        </div>
    </div> 

    <div class="row mt-4">
        <div class="col-12">
            <div class="card shadow-sm">
                <div class="card-header border-bottom border-dashed d-flex justify-content-between align-items-center">
                    <h4 class="header-title m-0">Manage Class Schedule</h4>
                </div>

                <div class="card-body">
                    @php
                        $selected_package = $physical_client->userInformation->selected_package ?? '';
                        preg_match('/(\d+)\s*classes/', strtolower($selected_package), $matches);
                        $total_classes = $matches[1] ?? 0;
                    @endphp

                    @if($total_classes > 0)

                    <!-- Desktop Table (Visible only on md+ screens) -->
                    <div class="table-responsive d-none d-md-block">
                        <table class="table table-striped align-middle text-center">
                            <thead class="table-light">
                                <tr>
                                    <th>Class No.</th>
                                    <th>Schedule Date & Time</th>
                                    <th>Status</th>
                                </tr>
                            </thead>
                            <tbody>
                        @for($i = 1; $i <= $total_classes; $i++)
                            @php
                                $isCompleted = array_key_exists($i, $completed_classes);
                            @endphp
                            <tr @if($isCompleted) class="table-success" @endif>
                                <td><strong>Class {{ $i }}</strong></td>
                                <td>
                            <input type="text" 
                                name="class_schedule[{{ $i }}]" 
                                class="form-control flatpickr" 
                                placeholder="Select Date & Time"
                                value="{{ 
                                    $isCompleted 
                                        ? \Carbon\Carbon::parse($completed_classes[$i])->format('d.m.Y H:i') 
                                        : now()->format('d.m.Y H:i') 
                                }}"
                                {{ $isCompleted ? 'disabled' : '' }}
                                data-enable-time="true" 
                                data-date-format="d.m.Y H:i"
                            />
                        </td>

                                <td>
                                    @if($isCompleted)
                                        <span class="badge bg-success">Completed</span>
                                    @else
                                        <button type="button" class="btn btn-success btn-sm complete-btn">
                                            Complete
                                        </button>
                                    @endif
                                </td>
                            </tr>
                        @endfor
                    </tbody>

                        </table>
                    </div>

                    <!-- Mobile View Cards (Visible only on mobile screens) -->
                    <div class="d-block d-md-none">
                    @for($i = 1; $i <= $total_classes; $i++)
                        @php
                            $isCompleted = array_key_exists($i, $completed_classes);
                        @endphp
                        <div class="mobile-class-card @if($isCompleted) bg-light @endif">
                            <div class="mt-2"><strong>Class {{ $i }}</strong></div>
                             <div class="mb-2">
                            <input type="text" 
                                name="class_schedule[{{ $i }}]" 
                                class="form-control flatpickr" 
                                placeholder="Select Date & Time"
                                value="{{ 
                                    $isCompleted 
                                        ? \Carbon\Carbon::parse($completed_classes[$i])->format('d.m.Y H:i') 
                                        : now()->format('d.m.Y H:i') 
                                }}"
                                {{ $isCompleted ? 'disabled' : '' }}
                                data-enable-time="true" 
                                data-date-format="d.m.Y H:i"
                            />
                        </div>

                            <div class="d-grid">
                                @if($isCompleted)
                                    <span class="badge bg-success">Completed</span>
                                @else
                                    <button type="button" class="btn btn-success btn-sm complete-btn">
                                        Complete
                                    </button>
                                @endif
                            </div>
                        </div>
                    @endfor
                </div>


                    @else
                        <div class="alert alert-warning text-center">
                            No valid package selected for this client.
                        </div>
                    @endif
                </div> <!-- end card-body -->
            </div> <!-- end card -->
        </div>
    </div>
</div>
@endsection

@push('scripts')
<script src="https://cdn.jsdelivr.net/npm/flatpickr"></script>
<script>
    flatpickr(".flatpickr", {
        enableTime: true,
        dateFormat: "d.m.Y H:i",
    });

    // ✅ Handle Complete button click
    document.querySelectorAll('.complete-btn').forEach((button) => {
    button.addEventListener('click', function() {
        const userId = "{{ $physical_client->id }}"; // Pass user ID
        const row = button.closest('tr') || button.closest('.mobile-class-card');

        if (!row) {
            alert('Unable to detect class number.');
            return;
        }

        // Find the class number from the row
        const classLabel = row.querySelector('strong')?.innerText || '';
        const classNumberMatch = classLabel.match(/Class (\d+)/i);
        const classNumber = classNumberMatch ? parseInt(classNumberMatch[1]) : null;

        if (!classNumber) {
            alert('Class number not found.');
            return;
        }

        // Find the input inside the same row
        const input = row.querySelector('.flatpickr');
        const dateTime = input?.value;

        if (!dateTime) {
            alert('Please select a date and time first.');
            return;
        }

        // ✅ Disable button immediately
        button.classList.remove('btn-success');
        button.classList.add('btn-secondary');
        button.innerText = 'Completed';
        button.disabled = true;

        // ✅ AJAX call to backend
        fetch("{{ route('coffee.physical_clients.complete') }}", {
            method: 'POST',
            headers: {
                'Content-Type': 'application/json',
                'X-CSRF-TOKEN': "{{ csrf_token() }}"
            },
            body: JSON.stringify({
                user_id: userId,
                class_number: classNumber,
                scheduled_at: dateTime,
            })
        })
        .then(res => res.json())
        .then(data => {
            if (!data.success) {
                alert('Something went wrong. Please reload and try again.');
            }
        })
        .catch(error => {
            alert('Network error. Please reload and try again.');
        });
    });
});

</script>
@endpush