@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">
                @if(auth()->user()->isStudent())
                    <i class="fas fa-user-graduate me-2"></i> My Attendance for {{ $class->subject->title ?? 'N/A' }}
                @else
                    <i class="fas fa-users me-2"></i> Attendance for {{ $class->subject->title ?? 'N/A' }}
                @endif
            </h4>
            {{-- @if(!auth()->user()->isStudent())
                <a href="{{ route('attendance.show', $class->id) }}" class="btn btn-light btn-sm">
                    <i class="fas fa-plus me-1"></i> back Take Attendance
                </a>
            @endif --}}
        </div>

        <div class="card-body">
            @if(auth()->user()->isStudent())
                @php
                    $student = auth()->user()->student;
                    $totalSessions = $class->attendanceSessions()->count();
                    $presentSessions = $class->attendanceSessions()
                        ->join('attendance_entries', 'attendance_sessions.id', '=', 'attendance_entries.attendance_session_id')
                        ->where('attendance_entries.student_id', $student->id)
                        ->whereIn('attendance_entries.status', ['present', 'excused'])
                        ->count();
                    $attendanceRate = $totalSessions > 0 ? round(($presentSessions / $totalSessions) * 100, 1) : 0;
                @endphp

                <div class="alert alert-info mb-4">
                    <div class="d-flex justify-content-between align-items-center">
                        <div>
                            <strong>Attendance Summary:</strong> {{ $attendanceRate }}%
                            <small class="text-muted d-block mt-1">
                                {{ $presentSessions }} out of {{ $totalSessions }} sessions attended
                            </small>
                        </div>
                    </div>
                </div>
            @endif

            @forelse($attendanceSessions as $session)
                <div class="border rounded-3 p-3 mb-3">
                    <div class="d-flex justify-content-between align-items-start mb-2">
                        <div>
                            <strong class="d-block">{{ $session->session_date->format('Y-m-d') }}</strong>
                            <small class="text-muted">{{ $session->session_date->format('l') }}</small>
                        </div>
                        <div class="text-end">
                            <span class="badge bg-{{ $session->locked ? 'danger' : 'success' }}">
                                {{ $session->locked ? 'Locked' : 'Open' }}
                            </span>
                        </div>
                    </div>

                    <div class="mt-2 d-flex justify-content-between align-items-center">
                        <p class="mb-0 text-muted">
                            <i class="fas fa-user-friends"></i> {{ $session->attendanceEntries->count() }} students
                            • Taken by: {{ $session->takenBy->username ?? 'System' }}
                        </p>
                        <div>
                            <a href="{{ route('attendance.show', $session->id) }}" class="btn btn-info btn-sm">
                                <i class="fas fa-eye"></i> View Details
                            </a>
                        </div>
                    </div>
                </div>
            @empty
                <div class="text-center py-5">
                    <i class="fas fa-calendar-times fa-3x text-muted mb-3"></i>
                    <h5 class="text-muted">No attendance sessions found</h5>
                    {{-- @if(!auth()->user()->isStudent())
                        <p class="text-muted">Start by taking attendance for this class</p>
                        <a href="{{ route('attendance.take', $class->id) }}" class="btn btn-primary">
                            <i class="fas fa-plus"></i> Take Attendance
                        </a>
                    @else --}}
                        <p class="text-muted">No attendance has been recorded for this class yet</p>
                    {{-- @endif --}}
                </div>
            @endforelse

            @if($attendanceSessions->hasPages())
                <div class="mt-4">
                    {{ $attendanceSessions->links() }}
                </div>
            @endif
        </div>
    </div>
</div>
@endsection