@extends('layouts.app')

@section('content')
<div class="container-fluid py-4">
    <!-- Header Section -->
    <div class="row mb-4">
        <div class="col-12">
            <div class="card shadow-sm border-0">
                <div class="card-header bg-gradient-primary text-black py-3">
                    <div class="d-flex justify-content-between align-items-center">
                        <div>
                            <h4 class="mb-0"><i class="fas fa-calendar-alt me-2"></i>My Attendance</h4>
                            <p class="mb-0 opacity-75">{{ $class->subject->title ?? 'N/A' }}</p>
                        </div>
                        <div class="text-end">
                            <span class="badge bg-white text-primary fs-6 px-3 py-2">
                                Attendance Rate: <strong>{{ $attendanceStats['attendance_rate'] }}%</strong>
                            </span>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <!-- Statistics Cards -->
    <div class="row mb-4">
        <div class="col-xl-3 col-md-6 mb-4">
            <div class="card border-left-success shadow-sm h-100 py-2">
                <div class="card-body">
                    <div class="row no-gutters align-items-center">
                        <div class="col mr-2">
                            <div class="text-xs font-weight-bold text-success text-uppercase mb-1">
                                Present</div>
                            <div class="h5 mb-0 font-weight-bold text-gray-800">{{ $attendanceStats['present'] }}</div>
                        </div>


                        <div class="col-auto">
                            <i class="fas fa-check-circle fa-2x text-success"></i>
                        </div>
                    </div>
                </div>
            </div>
        </div>

        <div class="col-xl-3 col-md-6 mb-4">
            <div class="card border-left-danger shadow-sm h-100 py-2">
                <div class="card-body">
                    <div class="row no-gutters align-items-center">
                        <div class="col mr-2">
                            <div class="text-xs font-weight-bold text-danger text-uppercase mb-1">
                                Absent</div>
                            <div class="h5 mb-0 font-weight-bold text-gray-800">{{ $attendanceStats['absent'] }}</div>
                        </div>
                        <div class="col-auto">
                            <i class="fas fa-times-circle fa-2x text-danger"></i>
                        </div>
                    </div>
                </div>
            </div>
        </div>

        <div class="col-xl-3 col-md-6 mb-4">
            <div class="card border-left-warning shadow-sm h-100 py-2">
                <div class="card-body">
                    <div class="row no-gutters align-items-center">
                        <div class="col mr-2">
                            <div class="text-xs font-weight-bold text-warning text-uppercase mb-1">
                                Late</div>
                            <div class="h5 mb-0 font-weight-bold text-gray-800">{{ $attendanceStats['late'] }}</div>
                        </div>
                        <div class="col-auto">
                            <i class="fas fa-clock fa-2x text-warning"></i>
                        </div>
                    </div>
                </div>
            </div>
        </div>

        <div class="col-xl-3 col-md-6 mb-4">
            <div class="card border-left-info shadow-sm h-100 py-2">
                <div class="card-body">
                    <div class="row no-gutters align-items-center">
                        <div class="col mr-2">
                            <div class="text-xs font-weight-bold text-info text-uppercase mb-1">
                                Excused</div>
                            <div class="h5 mb-0 font-weight-bold text-gray-800">{{ $attendanceStats['excused'] }}</div>
                        </div>
                        <div class="col-auto">
                            <i class="fas fa-user-check fa-2x text-info"></i>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <!-- Class Information -->
    <div class="row mb-4">
        <div class="col-lg-12">
            <div class="card shadow-sm">
                <div class="card-body">
                    <div class="row">
                        <div class="col-md-4">
                            <div class="d-flex align-items-center mb-3">
                                <div class="icon-shape icon-md bg-primary-light rounded-3 me-3">
                                    <i class="fas fa-book text-primary"></i>
                                </div>
                                <div>
                                    <p class="text-muted mb-0">Subject</p>
                                    <h6 class="mb-0">{{ $class->subject->title ?? 'N/A' }}</h6>
                                </div>
                            </div>
                        </div>
                        <div class="col-md-4">
                            <div class="d-flex align-items-center mb-3">
                                <div class="icon-shape icon-md bg-success-light rounded-3 me-3">
                                    <i class="fas fa-chalkboard-teacher text-success"></i>
                                </div>
                                <div>
                                    <p class="text-muted mb-0">Instructor</p>
                                    <h6 class="mb-0">{{ $class->teacher->user->username ?? 'N/A' }}</h6>
                                </div>
                            </div>
                        </div>
                        <div class="col-md-4">
                            <div class="d-flex align-items-center mb-3">
                                <div class="icon-shape icon-md bg-info-light rounded-3 me-3">
                                    <i class="fas fa-calendar-day text-info"></i>
                                </div>
                                <div>
                                    <p class="text-muted mb-0">Schedule</p>
                                    <h6 class="mb-0">{{ $class->day }} • {{ $class->start_time }} - {{ $class->end_time }}</h6>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <!-- Attendance Records Table -->
    <div class="row">
        <div class="col-12">
            <div class="card shadow-sm">
                <div class="card-header bg-white border-bottom py-3">
                    <h5 class="mb-0"><i class="fas fa-history me-2"></i>Attendance History</h5>
                </div>
                <div class="card-body p-0">
                    <div class="table-responsive">
                        <table class="table table-hover mb-0">
                            <thead class="bg-light">
                                <tr>
                                    <th class="border-0 ps-4">Date</th>
                                    <th class="border-0">Status</th>
                                    <th class="border-0">Remark</th>
                                    <th class="border-0">Taken By</th>
                                    <th class="border-0">Session Status</th>
                                </tr>
                            </thead>
                            <tbody>
                                @forelse($attendanceSessions as $session)
                                    @php
                                        $studentEntry = $session->attendanceEntries
                                            ->where('student_id', $student->id)
                                            ->first();
                                    @endphp
                                    <tr>
                                        <td class="ps-4">
                                            <div class="d-flex align-items-center">
                                                <div class="date-badge me-3">
                                                    <div class="text-center">
                                                        <div class="fw-bold text-primary">{{ $session->session_date->format('d') }}</div>
                                                        <div class="text-muted small">{{ $session->session_date->format('M') }}</div>
                                                    </div>
                                                </div>
                                                <div>
                                                    <div class="fw-bold">{{ $session->session_date->format('l') }}</div>
                                                    <div class="text-muted small">{{ $session->session_date->format('Y') }}</div>
                                                </div>
                                            </div>
                                        </td>
                                        <td>
                                            @if($studentEntry)
                                                @php
                                                    $badgeClass = [
                                                        'present' => 'success',
                                                        'absent' => 'danger',
                                                        'late' => 'warning',
                                                        'excused' => 'info'
                                                    ][$studentEntry->status] ?? 'secondary';
                                                @endphp
                                                <span class="badge bg-{{ $badgeClass }} px-3 py-2">
                                                    <i class="fas fa-{{ $studentEntry->status == 'present' ? 'check' : ($studentEntry->status == 'absent' ? 'times' : 'clock') }} me-1"></i>
                                                    {{ ucfirst($studentEntry->status) }}
                                                </span>
                                            @else
                                                <span class="badge bg-secondary px-3 py-2">
                                                    <i class="fas fa-question me-1"></i>
                                                    Not Marked
                                                </span>
                                            @endif
                                        </td>
                                        <td>
                                            <div class="max-width-200">
                                                {{ $studentEntry->remark ?? '-' }}
                                            </div>
                                        </td>
                                        <td>
                                            <div class="d-flex align-items-center">
                                                <div class="avatar-sm me-2">
                                                    <div class="avatar-title bg-light rounded-circle">
                                                        <i class="fas fa-user text-primary"></i>
                                                    </div>
                                                </div>
                                                <span>{{ $session->takenBy->username ?? 'System' }}</span>
                                            </div>
                                        </td>
                                        <td>
                                            @if($session->locked)
                                                <span class="badge bg-danger px-3 py-2">
                                                    <i class="fas fa-lock me-1"></i>
                                                    Locked
                                                </span>
                                            @else
                                                <span class="badge bg-success px-3 py-2">
                                                    <i class="fas fa-lock-open me-1"></i>
                                                    Open
                                                </span>
                                            @endif
                                        </td>
                                    </tr>
                                @empty
                                    <tr>
                                        <td colspan="5" class="text-center py-5">
                                            <div class="py-4">
                                                <i class="fas fa-clipboard-list fa-3x text-muted mb-3"></i>
                                                <h5 class="text-muted">No attendance records found</h5>
                                                <p class="text-muted">Your attendance for this class will appear here once recorded.</p>
                                            </div>
                                        </td>
                                    </tr>
                                @endforelse
                            </tbody>
                        </table>
                    </div>

                    <!-- Pagination -->
                    @if($attendanceSessions->hasPages())
                    <div class="card-footer bg-white border-top py-3">
                        <div class="d-flex justify-content-between align-items-center">
                            <div class="text-muted">
                                Showing {{ $attendanceSessions->firstItem() }} to {{ $attendanceSessions->lastItem() }} of {{ $attendanceSessions->total() }} entries
                            </div>
                            <nav aria-label="Page navigation">
                                {{ $attendanceSessions->links() }}
                            </nav>
                        </div>
                    </div>
                    @endif
                </div>
            </div>
        </div>
    </div>
</div>

<style>
.icon-shape {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.bg-primary-light { background-color: rgba(13, 110, 253, 0.1); }
.bg-success-light { background-color: rgba(25, 135, 84, 0.1); }
.bg-info-light { background-color: rgba(13, 202, 240, 0.1); }
.date-badge {
    width: 50px;
    height: 50px;
    background: #f8f9fa;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.max-width-200 {
    max-width: 200px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.avatar-sm {
    width: 32px;
    height: 32px;
}
</style>
@endsection