@extends('layouts.app')

@section('title', 'Student Dashboard')

@section('page-title', 'Student Dashboard')

@section('content')
<div class="container-fluid">
    <!-- Welcome Message -->
    <div class="row mb-4">
        <div class="col-12">
            <div class="card bg-gradient-primary text-black">
                <div class="card-body">
                    <div class="row align-items-center">
                        <div class="col-md-8">
                            <h3 class="card-title mb-1">Welcome back, {{ Auth::user()->student->name }}! 👋</h3>
                            <p class="mb-0">Here's what's happening with your classes today.</p>
                        </div>
                        <div class="col-md-4 text-end">
                            <i class="fas fa-user-graduate fa-4x opacity-50"></i>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <!-- Quick Stats -->
    <div class="row mb-4">
        <div class="col-xl-3 col-md-6 mb-4">
            <div class="card border-left-primary shadow 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-primary text-uppercase mb-1">
                                Enrolled Classes
                            </div>
                            <div class="h5 mb-0 font-weight-bold text-gray-800">{{ $enrolledClassesCount ?? 0 }}</div>
                        </div>
                        <div class="col-auto">
                            <i class="fas fa-chalkboard fa-2x text-gray-300"></i>
                        </div>
                    </div>
                </div>
            </div>
        </div>

        <div class="col-xl-3 col-md-6 mb-4">
            <div class="card border-left-success shadow 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">
                                Pending Assignments
                            </div>
                            <div class="h5 mb-0 font-weight-bold text-gray-800">{{ $pendingAssignmentsCount ?? 0 }}</div>
                        </div>
                        <div class="col-auto">
                            <i class="fas fa-tasks fa-2x text-gray-300"></i>
                        </div>
                    </div>
                </div>
            </div>
        </div>

        <div class="col-xl-3 col-md-6 mb-4">
            <div class="card border-left-info shadow 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">
                                Attendance Rate
                            </div>
                            <div class="row no-gutters align-items-center">
                                <div class="col-auto">
                                    <div class="h5 mb-0 mr-3 font-weight-bold text-gray-800">{{ $attendanceRate ?? 0 }}%</div>
                                </div>
                                <div class="col">
                                    <div class="progress progress-sm mr-2">
                                        <div class="progress-bar bg-info" role="progressbar"
                                             style="width: {{ $attendanceRate ?? 0 }}%"
                                             aria-valuenow="{{ $attendanceRate ?? 0 }}"
                                             aria-valuemin="0" aria-valuemax="100"></div>
                                    </div>
                                </div>
                            </div>
                        </div>
                        <div class="col-auto">
                            <i class="fas fa-clipboard-check fa-2x text-gray-300"></i>
                        </div>
                    </div>
                </div>
            </div>
        </div>

        <div class="col-xl-3 col-md-6 mb-4">
            <div class="card border-left-warning shadow 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">
                                Study Materials
                            </div>
                            <div class="h5 mb-0 font-weight-bold text-gray-800">{{ $studyMaterialsCount ?? 0 }}</div>
                        </div>
                        <div class="col-auto">
                            <i class="fas fa-file-alt fa-2x text-gray-300"></i>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <div class="row">
        <!-- Today's Classes -->
        <div class="col-lg-6 mb-4">
            <div class="card shadow">
                <div class="card-header py-3 d-flex justify-content-between align-items-center">
                    <h6 class="m-0 font-weight-bold text-primary">
                        <i class="fas fa-calendar-day me-2"></i>Today's Classes
                    </h6>
                    <span class="badge bg-primary">{{ $todaysClasses->count() ?? 0 }}</span>
                </div>
                <div class="card-body">
                    @if($todaysClasses && $todaysClasses->count() > 0)
                        <div class="list-group list-group-flush">
                            @foreach($todaysClasses as $class)
                                <div class="list-group-item d-flex justify-content-between align-items-center px-0">
                                    <div class="d-flex align-items-center">
                                        <div class="bg-primary rounded-circle p-2 me-3">
                                            <i class="fas fa-book text-white"></i>
                                        </div>
                                        <div>
                                            <h6 class="mb-1 text-gray-900">{{ $class->subject->name ?? $class->subject->title ?? 'N/A' }}</h6>
                                            <small class="text-muted">
                                                <i class="fas fa-clock me-1"></i>
                                                {{ $class->start_time ? \Carbon\Carbon::parse($class->start_time)->format('h:i A') : 'Time not set' }}
                                            </small>
                                            <br>
                                            <small class="text-muted">
                                                <i class="fas fa-user-tie me-1"></i>
                                                {{ $class->teacher->user->name ?? $class->teacher->user->username ?? 'Teacher not assigned' }}
                                            </small>
                                        </div>
                                    </div>
                                    <span class="badge bg-secondary">{{ $class->batch->name ?? 'N/A' }}</span>
                                </div>
                            @endforeach
                        </div>
                    @else
                        <div class="text-center py-4">
                            <i class="fas fa-calendar-times fa-3x text-muted mb-3"></i>
                            <p class="text-muted mb-2">No classes scheduled for today</p>
                            <small class="text-muted">Take this time to catch up on assignments or study materials</small>
                        </div>
                    @endif
                </div>
            </div>
        </div>

        <!-- Recent Assignments -->
        <div class="col-lg-6 mb-4">
            <div class="card shadow">
                <div class="card-header py-3 d-flex justify-content-between align-items-center">
                    <h6 class="m-0 font-weight-bold text-success">
                        <i class="fas fa-tasks me-2"></i>Recent Assignments
                    </h6>
                    <span class="badge bg-success">{{ $recentAssignments->count() ?? 0 }}</span>
                </div>
                <div class="card-body">
                    @if($recentAssignments && $recentAssignments->count() > 0)
                        <div class="list-group list-group-flush">
                            @foreach($recentAssignments as $assignment)
                                <div class="list-group-item px-0">
                                    <div class="d-flex w-100 justify-content-between align-items-start mb-2">
                                        <h6 class="mb-1 text-gray-900">{{ $assignment->title }}</h6>
                                        <small class="text-muted text-end">
                                            Due: {{ $assignment->due_date ? $assignment->due_date->format('M d, Y') : 'No due date' }}<br>
                                            <span class="badge {{ $assignment->due_date && $assignment->due_date->isPast() ? 'bg-danger' : 'bg-warning' }}">
                                                {{ $assignment->due_date && $assignment->due_date->isPast() ? 'Overdue' : 'Pending' }}
                                            </span>
                                        </small>
                                    </div>
                                    <p class="mb-2 text-muted small">
                                        <i class="fas fa-book me-1"></i>
                                        {{ $assignment->subject->name ?? $assignment->subject->title ?? 'N/A' }}
                                    </p>
                                    <p class="mb-2 text-muted small">
                                        {{ Str::limit($assignment->description, 120) }}
                                    </p>
                                    <div class="d-flex justify-content-between align-items-center">
                                        <small class="text-muted">
                                            <i class="fas fa-user-tie me-1"></i>
                                            {{ $assignment->teacher->user->name ?? $assignment->teacher->user->username ?? 'N/A' }}
                                        </small>
                                        <div>
                                            @if($assignment->is_submitted)
                                                <span class="badge bg-success">
                                                    <i class="fas fa-check me-1"></i>Submitted
                                                </span>
                                            @else
                                                <a href="{{ route('student.assignments.show', $assignment->id) }}"
                                                   class="btn btn-sm btn-primary">
                                                    <i class="fas fa-paper-plane me-1"></i>Submit
                                                </a>
                                            @endif
                                        </div>
                                    </div>
                                </div>
                            @endforeach
                        </div>
                    @else
                        <div class="text-center py-4">
                            <i class="fas fa-tasks fa-3x text-muted mb-3"></i>
                            <p class="text-muted mb-2">No recent assignments</p>
                            <small class="text-muted">You're all caught up! Check back later for new assignments.</small>
                        </div>
                    @endif
                </div>
            </div>
        </div>
    </div>

    <!-- Second Row: Attendance & Study Materials -->
    <div class="row">
        <!-- Attendance Summary -->
        <div class="col-lg-6 mb-4">
            <div class="card shadow">
                <div class="card-header py-3">
                    <h6 class="m-0 font-weight-bold text-info">
                        <i class="fas fa-chart-bar me-2"></i>Attendance Summary
                    </h6>
                </div>
                <div class="card-body">
                    @if(isset($attendanceSummary) && count($attendanceSummary) > 0)
                        <div class="table-responsive">
                            <table class="table table-bordered table-sm">
                                <thead class="bg-light">
                                    <tr>
                                        <th>Subject</th>
                                        <th class="text-center">Present</th>
                                        <th class="text-center">Absent</th>
                                        <th class="text-center">Rate</th>
                                    </tr>
                                </thead>
                                <tbody>
                                    @foreach($attendanceSummary as $subject)
                                        <tr>
                                            <td class="text-sm">{{ $subject['name'] }}</td>
                                            <td class="text-center text-success">{{ $subject['present'] }}</td>
                                            <td class="text-center text-danger">{{ $subject['absent'] }}</td>
                                            <td class="text-center">
                                                <span class="badge bg-{{ $subject['rate'] >= 80 ? 'success' : ($subject['rate'] >= 60 ? 'warning' : 'danger') }}">
                                                    {{ $subject['rate'] }}%
                                                </span>
                                            </td>
                                        </tr>
                                    @endforeach
                                </tbody>
                            </table>
                        </div>
                    @else
                        <div class="text-center py-4">
                            <i class="fas fa-clipboard-check fa-3x text-muted mb-3"></i>
                            <p class="text-muted">No attendance records found</p>
                        </div>
                    @endif
                    <div class="text-center mt-3">
                        <a href="{{ route('attendance.student', ['student' => Auth::user()->student->id ?? '']) }}"
                           class="btn btn-outline-info btn-sm">
                            <i class="fas fa-list me-1"></i>View Full Attendance
                        </a>
                    </div>
                </div>
            </div>
        </div>

        <!-- Recent Study Materials -->
        <div class="col-lg-6 mb-4">
            <div class="card shadow">
                <div class="card-header py-3 d-flex justify-content-between align-items-center">
                    <h6 class="m-0 font-weight-bold text-warning">
                        <i class="fas fa-file-alt me-2"></i>Recent Study Materials
                    </h6>
                    <span class="badge bg-warning">{{ $recentMaterials->count() ?? 0 }}</span>
                </div>
                <div class="card-body">
                    @if($recentMaterials && $recentMaterials->count() > 0)
                        <div class="list-group list-group-flush">
                            @foreach($recentMaterials as $material)
                                <div class="list-group-item px-0">
                                    <div class="d-flex justify-content-between align-items-start mb-2">
                                        <h6 class="mb-1 text-gray-900">
                                            @php
                                                // Determine file type icon and color
                                                $fileExtension = pathinfo($material->file_path, PATHINFO_EXTENSION);
                                                $fileType = strtolower($fileExtension);

                                                if (in_array($fileType, ['pdf'])) {
                                                    $icon = 'file-pdf';
                                                    $color = 'danger';
                                                } elseif (in_array($fileType, ['doc', 'docx'])) {
                                                    $icon = 'file-word';
                                                    $color = 'primary';
                                                } elseif (in_array($fileType, ['xls', 'xlsx'])) {
                                                    $icon = 'file-excel';
                                                    $color = 'success';
                                                } elseif (in_array($fileType, ['ppt', 'pptx'])) {
                                                    $icon = 'file-powerpoint';
                                                    $color = 'warning';
                                                } elseif (in_array($fileType, ['jpg', 'jpeg', 'png', 'gif'])) {
                                                    $icon = 'file-image';
                                                    $color = 'info';
                                                } else {
                                                    $icon = 'file-alt';
                                                    $color = 'secondary';
                                                }
                                            @endphp
                                            <i class="fas fa-{{ $icon }} me-2 text-{{ $color }}"></i>
                                            {{ $material->title }}
                                        </h6>
                                        <small class="text-muted">
                                            {{ $material->created_at->diffForHumans() }}
                                        </small>
                                    </div>
                                    <p class="mb-2 text-muted small">
                                        <i class="fas fa-book me-1"></i>
                                        {{ $material->class->subject->name ?? $material->class->subject->title ?? 'General' }}
                                    </p>
                                    <p class="mb-2 text-muted small">
                                        {{ $material->file_size ? $material->file_size_formatted : 'Size not available' }}
                                    </p>
                                    <div class="d-flex justify-content-between align-items-center">
                                        <small class="text-muted">
                                            <i class="fas fa-user-tie me-1"></i>
                                            {{ $material->teacher->user->name ?? $material->teacher->user->username ?? 'N/A' }}
                                        </small>
                                        <div>
                                            <a href="{{ route('materials.download', $material->id) }}"
                                               class="btn btn-sm btn-outline-primary" title="Download">
                                                <i class="fas fa-download"></i>
                                            </a>
                                        </div>
                                    </div>
                                </div>
                            @endforeach
                        </div>
                    @else
                        <div class="text-center py-4">
                            <i class="fas fa-file-alt fa-3x text-muted mb-3"></i>
                            <p class="text-muted mb-2">No study materials available</p>
                            <small class="text-muted">Your teachers will upload materials here</small>
                        </div>
                    @endif
                    <div class="text-center mt-3">
                        <a href="{{ route('materials.student') }}"
                           class="btn btn-outline-warning btn-sm">
                            <i class="fas fa-folder-open me-1"></i>View All Materials
                        </a>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <!-- Quick Actions -->
    <div class="row mt-2">
        <div class="col-12">
            <div class="card shadow">
                <div class="card-header py-3">
                    <h6 class="m-0 font-weight-bold text-secondary">Quick Actions</h6>
                </div>
                <div class="card-body">
                    <div class="row text-center">
                        <div class="col-xl-3 col-md-6 mb-3">
                            <a href="{{ route('students.classes', ['student' => Auth::user()->student->id ?? '']) }}"
                               class="btn btn-outline-primary btn-lg w-100 h-100 py-3 d-flex flex-column align-items-center justify-content-center">
                                <i class="fas fa-chalkboard fa-2x mb-2"></i>
                                <span>My Classes</span>
                            </a>
                        </div>
                        <div class="col-xl-3 col-md-6 mb-3">
                            <a href="{{ route('student.assignments') }}"
                               class="btn btn-outline-success btn-lg w-100 h-100 py-3 d-flex flex-column align-items-center justify-content-center">
                                <i class="fas fa-tasks fa-2x mb-2"></i>
                                <span>Assignments</span>
                            </a>
                        </div>
                        <div class="col-xl-3 col-md-6 mb-3">
                            <a href="{{ route('materials.student') }}"
                               class="btn btn-outline-info btn-lg w-100 h-100 py-3 d-flex flex-column align-items-center justify-content-center">
                                <i class="fas fa-file-alt fa-2x mb-2"></i>
                                <span>Study Materials</span>
                            </a>
                        </div>
                        <div class="col-xl-3 col-md-6 mb-3">
                            <a href="{{ route('student.attendance', ['student' => Auth::user()->student->id ?? '']) }}"
                               class="btn btn-outline-warning btn-lg w-100 h-100 py-3 d-flex flex-column align-items-center justify-content-center">
                                <i class="fas fa-clipboard-check fa-2x mb-2"></i>
                                <span>My Attendance</span>
                            </a>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>
@endsection

@section('scripts')
<script>
$(document).ready(function() {
    // Auto-dismiss alerts after 5 seconds
    setTimeout(function() {
        $('.alert').fadeOut('slow');
    }, 5000);

    // Add smooth scrolling for better user experience
    $('a[href^="#"]').on('click', function(event) {
        var target = $(this.getAttribute('href'));
        if (target.length) {
            event.preventDefault();
            $('html, body').stop().animate({
                scrollTop: target.offset().top - 70
            }, 1000);
        }
    });
});
</script>
@endsection