@extends('layouts.app')
@section('title', 'Students')
@section('content')

<div class="d-flex flex-wrap align-items-center justify-content-between gap-2 mb-4">
    <div>
        <h4 class="page-title">Students</h4>
        <p class="page-subtitle">{{ $students->total() }} student{{ $students->total() === 1 ? '' : 's' }} found.</p>
    </div>
</div>

<div class="card mb-3">
    <div class="card-body py-2">
        <form method="GET" class="row g-2 align-items-center">
            <div class="col-12 col-md">
                <div class="proc-search">
                    <i class="bi bi-search"></i>
                    <input type="search" name="q" class="form-control"
                           placeholder="Search name, student ID or email…" value="{{ request('q') }}">
                </div>
            </div>
            <div class="col-6 col-md-auto">
                <select name="semester_id" class="form-select">
                    <option value="">All semesters</option>
                    @foreach($semesters as $sem)
                    <option value="{{ $sem->id }}" @selected(request('semester_id') == $sem->id)>{{ $sem->name }}</option>
                    @endforeach
                </select>
            </div>
            <div class="col-6 col-md-auto">
                <select name="intake" class="form-select">
                    <option value="">All intakes</option>
                    @foreach($intakes as $intake)
                    <option value="{{ $intake }}" @selected(request('intake') === $intake)>{{ $intake }}</option>
                    @endforeach
                </select>
            </div>
            <div class="col-6 col-md-auto">
                <select name="status" class="form-select">
                    <option value="">Any status</option>
                    <option value="active" @selected(request('status') === 'active')>Active</option>
                    <option value="inactive" @selected(request('status') === 'inactive')>Inactive</option>
                </select>
            </div>
            <div class="col-auto">
                <button class="btn btn-primary" type="submit"><i class="bi bi-funnel"></i></button>
                @if(request()->hasAny(['q', 'semester_id', 'intake', 'status']))
                <a href="{{ route('lecturer.students.index') }}" class="btn btn-outline-secondary ms-1">Clear</a>
                @endif
            </div>
        </form>
    </div>
</div>

<div class="card">
    <div class="card-body p-0 table-responsive">
        <table class="table table-hover align-middle mb-0">
            <thead>
                <tr>
                    <th>Student</th>
                    <th class="d-none d-md-table-cell">Intake</th>
                    <th class="d-none d-lg-table-cell">Current semester</th>
                    <th style="min-width:11rem">Progress</th>
                    <th class="text-center">Status</th>
                    <th class="text-end">Action</th>
                </tr>
            </thead>
            <tbody>
                @forelse($students as $s)
                @php
                    $profile = $s->studentProfile;
                    $p = $profile?->current_semester_id
                        ? ($progressMap[$s->id . '_' . $profile->current_semester_id] ?? null)
                        : null;
                @endphp
                <tr>
                    <td>
                        <div class="d-flex align-items-center gap-2">
                            @if($profile?->photo_path)
                            <img src="{{ asset('storage/' . $profile->photo_path) }}" class="student-avatar" style="width:34px;height:34px" alt="">
                            @else
                            <span class="student-avatar d-inline-flex align-items-center justify-content-center" style="width:34px;height:34px;font-size:.8rem">
                                {{ strtoupper(mb_substr($s->name, 0, 1)) }}
                            </span>
                            @endif
                            <div class="min-w-0">
                                <div class="fw-semibold small text-truncate">{{ $s->name }}</div>
                                <div class="text-muted text-truncate" style="font-size:.74rem">{{ $profile?->student_id ?: '—' }}</div>
                            </div>
                        </div>
                    </td>
                    <td class="small text-muted d-none d-md-table-cell">{{ $profile?->intake ?: '—' }}</td>
                    <td class="small d-none d-lg-table-cell">
                        @if($profile?->currentSemester)
                        {{ $profile->currentSemester->name }}
                        @else
                        <span class="text-muted fst-italic">not set</span>
                        @endif
                    </td>
                    <td>
                        @if($p && $p['total'] > 0)
                        <div class="d-flex align-items-center gap-2">
                            <div class="progress progress-xs flex-grow-1">
                                <div class="progress-bar bg-{{ $p['percent'] === 100 ? 'success' : 'primary' }}" style="width:{{ $p['percent'] }}%"></div>
                            </div>
                            <span class="small fw-bold text-muted" style="min-width:2.4rem;text-align:right">{{ $p['percent'] }}%</span>
                        </div>
                        <div class="text-muted" style="font-size:.7rem">
                            {{ $p['passed'] }}/{{ $p['total'] }}
                            @if($p['retry'] > 0)· <span class="text-warning-emphasis">{{ $p['retry'] }} retry</span>@endif
                        </div>
                        @else
                        <span class="text-muted small">—</span>
                        @endif
                    </td>
                    <td class="text-center">
                        <span class="badge bg-{{ $s->is_active ? 'success' : 'danger' }}-subtle text-{{ $s->is_active ? 'success' : 'danger' }}-emphasis">
                            {{ $s->is_active ? 'Active' : 'Inactive' }}
                        </span>
                    </td>
                    <td class="text-end">
                        <a href="{{ route('lecturer.students.show', $s) }}" class="btn btn-sm btn-outline-primary">View</a>
                    </td>
                </tr>
                @empty
                <tr><td colspan="6" class="text-center text-muted py-5">
                    <i class="bi bi-person-x d-block fs-4 mb-2 opacity-50"></i>No students match your filters.
                </td></tr>
                @endforelse
            </tbody>
        </table>
    </div>
    @if($students->hasPages())
    <div class="card-footer bg-transparent">{{ $students->links() }}</div>
    @endif
</div>
@endsection