@extends('layouts.app')

@section('content')
<div class="container-fluid">
    <div class="card shadow-sm border-0 rounded-3">
        <div class="card-header bg-primary text-white d-flex justify-content-between align-items-center">
            <h4 class="mb-0">
                <i class="fas fa-user-graduate me-2"></i>
                Attendance for {{ $student->user->name }} ({{ $student->user->username }})
            </h4>
            <div class="d-flex align-items-center gap-3">
                <span class="badge bg-light text-dark fs-6">
                    Overall Attendance: {{ $stats['percentage'] }}%
                </span>
                <span class="badge bg-info fs-6">
                    Total: {{ $stats['total'] }} Sessions
                </span>
            </div>
        </div>

        <div class="card-body">
            <!-- Filter Section -->
            <div class="card mb-4 border-0 shadow-sm">
                <div class="card-body">
                    <h6 class="fw-bold mb-3"><i class="fas fa-filter me-2"></i>Filter Attendance</h6>
                    <form method="GET" action="{{ route('attendance.student', ['student' => $student->id]) }}" class="row g-3">
                        <div class="col-md-4">
                            <label for="start_date" class="form-label">Start Date</label>
                            <input type="date" class="form-control" id="start_date" name="start_date"
                                   value="{{ $startDate }}" max="{{ date('Y-m-d') }}">
                        </div>
                        <div class="col-md-4">
                            <label for="end_date" class="form-label">End Date</label>
                            <input type="date" class="form-control" id="end_date" name="end_date"
                                   value="{{ $endDate }}" max="{{ date('Y-m-d') }}">
                        </div>
                        <div class="col-md-4 d-flex align-items-end">
                            <div class="d-flex gap-2 w-100">
                                <button type="submit" class="btn btn-primary flex-grow-1">
                                    <i class="fas fa-search me-1"></i> Apply Filter
                                </button>
                                <a href="{{ route('attendance.student', ['student' => $student->id]) }}"
                                   class="btn btn-outline-secondary">
                                    <i class="fas fa-redo me-1"></i> Clear
                                </a>
                            </div>
                        </div>
                    </form>

                    <!-- Active Filter Display -->
                    @if($startDate || $endDate)
                    <div class="mt-3 p-2 bg-light rounded">
                        <small class="text-muted">Active Filter:</small>
                        <div class="d-flex gap-2 mt-1">
                            @if($startDate)
                                <span class="badge bg-primary">
                                    From: {{ \Carbon\Carbon::parse($startDate)->format('M d, Y') }}
                                </span>
                            @endif
                            @if($endDate)
                                <span class="badge bg-primary">
                                    To: {{ \Carbon\Carbon::parse($endDate)->format('M d, Y') }}
                                </span>
                            @endif
                        </div>
                    </div>
                    @endif
                </div>
            </div>

            <!-- Batch-wise Summary Section -->
            @if($batchSummary->count() > 0)
            <div class="card mb-4 border-0 shadow-sm">
                <div class="card-header bg-info text-white">
                    <h6 class="mb-0"><i class="fas fa-layer-group me-2"></i>Batch-wise Attendance Summary</h6>
                </div>
                <div class="card-body">
                    <div class="table-responsive">
                        <table class="table table-bordered align-middle">
                            <thead class="table-light">
                                <tr>
                                    <th>Batch</th>
                                    <th>Total Classes</th>
                                    <th>Present</th>
                                    <th>Absent</th>
                                    <th>Late</th>
                                    <th>Excused</th>
                                    <th>Attendance %</th>
                                    <th>Status</th>
                                </tr>
                            </thead>
                            <tbody>
                                @foreach($batchSummary as $batch)
                                @php
                                    $attendanceColor = $batch->attendance_percentage >= 90 ? 'success' :
                                                      ($batch->attendance_percentage >= 75 ? 'info' :
                                                      ($batch->attendance_percentage >= 50 ? 'warning' : 'danger'));
                                @endphp
                                <tr>
                                    <td><strong>{{ $batch->name }}</strong></td>
                                    <td>{{ $batch->total_classes }}</td>
                                    <td class="text-success">
                                        {{ $batch->present_count }}
                                        <small class="text-muted">({{ $batch->present_percentage }}%)</small>
                                    </td>
                                    <td class="text-danger">
                                        {{ $batch->absent_count }}
                                        <small class="text-muted">({{ $batch->absent_percentage }}%)</small>
                                    </td>
                                    <td class="text-warning">
                                        {{ $batch->late_count }}
                                        <small class="text-muted">({{ $batch->late_percentage }}%)</small>
                                    </td>
                                    <td class="text-info">
                                        {{ $batch->excused_count }}
                                        <small class="text-muted">({{ $batch->excused_percentage }}%)</small>
                                    </td>
                                    <td>
                                        <div class="progress" style="height: 20px;">
                                            <div class="progress-bar bg-{{ $attendanceColor }}"
                                                 role="progressbar"
                                                 style="width: {{ $batch->attendance_percentage }}%"
                                                 aria-valuenow="{{ $batch->attendance_percentage }}"
                                                 aria-valuemin="0"
                                                 aria-valuemax="100">
                                                {{ $batch->attendance_percentage }}%
                                            </div>
                                        </div>
                                    </td>
                                    <td>
                                        <span class="badge bg-{{ $attendanceColor }}">
                                            @if($batch->attendance_percentage >= 90) Excellent
                                            @elseif($batch->attendance_percentage >= 75) Good
                                            @elseif($batch->attendance_percentage >= 50) Average
                                            @else Poor
                                            @endif
                                        </span>
                                    </td>
                                </tr>
                                @endforeach
                            </tbody>
                        </table>
                    </div>
                </div>
            </div>
            @endif

            <!-- Statistics Section -->
            <div class="card mb-4 border-0 shadow-sm">
                <div class="card-header bg-secondary text-white">
                    <h6 class="mb-0"><i class="fas fa-chart-bar me-2"></i>Overall Statistics</h6>
                </div>
                <div class="card-body">
                    <div class="row">
                        @php
                            $statusColors = [
                                'present' => 'success',
                                'absent' => 'danger',
                                'late' => 'warning',
                                'excused' => 'info'
                            ];

                            $statusIcons = [
                                'present' => 'fa-check-circle',
                                'absent' => 'fa-times-circle',
                                'late' => 'fa-clock',
                                'excused' => 'fa-calendar-check'
                            ];
                        @endphp

                        @foreach(['present','absent','late','excused'] as $status)
                        <div class="col-md-3 col-sm-6 mb-3">
                            <div class="card border-0 shadow-sm h-100">
                                <div class="card-body text-center py-3">
                                    <i class="fas {{ $statusIcons[$status] }} fa-2x text-{{ $statusColors[$status] }} mb-2"></i>
                                    <h6 class="card-subtitle mb-2 text-muted">{{ ucfirst($status) }}</h6>
                                    <h3 class="card-title text-{{ $statusColors[$status] }}">
                                        <strong>{{ $stats[$status] ?? 0 }}</strong>
                                    </h3>
                                    @if($stats['total'] > 0)
                                        <div class="progress" style="height: 8px;">
                                            <div class="progress-bar bg-{{ $statusColors[$status] }}"
                                                 style="width: {{ round(($stats[$status] / $stats['total']) * 100, 1) }}%">
                                            </div>
                                        </div>
                                        <small class="text-muted d-block mt-1">
                                            {{ round(($stats[$status] / $stats['total']) * 100, 1) }}% of total
                                        </small>
                                    @endif
                                </div>
                            </div>
                        </div>
                        @endforeach
                    </div>

                    <!-- Overall Stats Cards -->
                    <div class="row mt-3">
                        <div class="col-md-4">
                            <div class="card border-0 bg-primary text-white">
                                <div class="card-body py-3">
                                    <div class="d-flex justify-content-between align-items-center">
                                        <div>
                                            <i class="fas fa-calendar-alt fa-2x"></i>
                                        </div>
                                        <div class="text-end">
                                            <div class="fs-6">Total Sessions</div>
                                            <div class="fs-4 fw-bold">{{ $stats['total'] }}</div>
                                        </div>
                                    </div>
                                </div>
                            </div>
                        </div>
                        <div class="col-md-4">
                            <div class="card border-0 bg-success text-white">
                                <div class="card-body py-3">
                                    <div class="d-flex justify-content-between align-items-center">
                                        <div>
                                            <i class="fas fa-chart-line fa-2x"></i>
                                        </div>
                                        <div class="text-end">
                                            <div class="fs-6">Attendance Rate</div>
                                            <div class="fs-4 fw-bold">{{ $stats['percentage'] }}%</div>
                                        </div>
                                    </div>
                                </div>
                            </div>
                        </div>
                        <div class="col-md-4">
                            <div class="card border-0 bg-info text-white">
                                <div class="card-body py-3">
                                    <div class="d-flex justify-content-between align-items-center">
                                        <div>
                                            <i class="fas fa-calendar-check fa-2x"></i>
                                        </div>
                                        <div class="text-end">
                                            <div class="fs-6">Effective Attendance</div>
                                            <div class="fs-4 fw-bold">{{ $stats['present'] + $stats['excused'] }}</div>
                                            <small>(Present + Excused)</small>
                                        </div>
                                    </div>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>

            <!-- Attendance Table -->
            <div class="card border-0 shadow-sm">
                <div class="card-header bg-dark text-white">
                    <h6 class="mb-0"><i class="fas fa-list me-2"></i>Attendance Details</h6>
                </div>
                <div class="card-body">
                    <div class="table-responsive">
                        <table class="table table-bordered align-middle">
                            <thead class="table-light">
                                <tr>
                                    <th>#</th>
                                    <th>Date</th>
                                    <th>Day</th>
                                    <th>Batch</th>
                                    <th>Subject</th>
                                    <th>Time</th>
                                    <th>Status</th>
                                    <th>Remark</th>
                                    <th>Marked At</th>
                                </tr>
                            </thead>
                            <tbody>
                                @forelse($attendanceEntries as $index => $entry)
                                    @php
                                        $session = $entry->attendanceSession;
                                        $badgeColors = [
                                            'present' => 'success',
                                            'absent' => 'danger',
                                            'late' => 'warning',
                                            'excused' => 'info'
                                        ];
                                    @endphp
                                    <tr>
                                        <td>{{ $index + 1 }}</td>
                                        <td>
                                            <strong>{{ $session->session_date->format('Y-m-d') ?? 'N/A' }}</strong>
                                        </td>
                                        <td>
                                            <span class="badge bg-secondary">
                                                {{ $session->session_date->format('l') }}
                                            </span>
                                        </td>
                                        <td>
                                            @if($session->class && $session->class->batch)
                                                <span class="badge bg-info">
                                                    {{ $session->class->batch->name ?? 'N/A' }}
                                                </span>
                                            @else
                                                N/A
                                            @endif
                                        </td>
                                        <td>
                                            @if($session->class && $session->class->subject)
                                                <strong>{{ $session->class->subject->title ?? $session->class->subject->name ?? 'N/A' }}</strong>
                                                <br>
                                                <small class="text-muted">Code: {{ $session->class->subject->code ?? 'N/A' }}</small>
                                            @else
                                                N/A
                                            @endif
                                        </td>
                                        <td>
                                            <small>
                                                @if($session->start_time && $session->end_time)
                                                    {{ \Carbon\Carbon::parse($session->start_time)->format('h:i A') }} -
                                                    {{ \Carbon\Carbon::parse($session->end_time)->format('h:i A') }}
                                                @else
                                                    Full Day
                                                @endif
                                            </small>
                                        </td>
                                        <td>
                                            <span class="badge bg-{{ $badgeColors[$entry->status] ?? 'secondary' }} p-2">
                                                <i class="fas {{ $statusIcons[$entry->status] ?? 'fa-question' }} me-1"></i>
                                                {{ ucfirst($entry->status) }}
                                            </span>
                                        </td>
                                        <td>
                                            @if($entry->remark)
                                                <span class="text-muted" data-bs-toggle="tooltip" title="{{ $entry->remark }}">
                                                    <i class="fas fa-comment"></i> {{ Str::limit($entry->remark, 30) }}
                                                </span>
                                            @else
                                                -
                                            @endif
                                        </td>
                                        <td>
                                            <small class="text-muted">
                                                {{ $entry->created_at->format('Y-m-d h:i A') }}
                                            </small>
                                        </td>
                                    </tr>
                                @empty
                                    <tr>
                                        <td colspan="9" class="text-center py-5">
                                            <i class="fas fa-clipboard-list fa-3x text-muted mb-3"></i>
                                            <h5 class="text-muted">No attendance records found</h5>
                                            @if($startDate || $endDate)
                                                <p class="text-muted">Try changing your filter criteria</p>
                                                <a href="{{ route('attendance.student', ['student' => $student->id]) }}"
                                                   class="btn btn-primary mt-2">
                                                    <i class="fas fa-redo me-1"></i> Clear Filters
                                                </a>
                                            @endif
                                        </td>
                                    </tr>
                                @endforelse
                            </tbody>
                        </table>
                    </div>

                    <!-- Pagination -->
                    @if($attendanceEntries->hasPages())
                        <div class="d-flex justify-content-center mt-4">
                            {{ $attendanceEntries->links() }}
                        </div>
                    @endif
                </div>
            </div>
        </div>
    </div>
</div>

<!-- Add Tooltip Script -->
<script>
    document.addEventListener('DOMContentLoaded', function() {
        var tooltipTriggerList = [].slice.call(document.querySelectorAll('[data-bs-toggle="tooltip"]'))
        var tooltipList = tooltipTriggerList.map(function (tooltipTriggerEl) {
            return new bootstrap.Tooltip(tooltipTriggerEl)
        });
    });
</script>
@endsection