@extends('layouts.app')
@section('title', 'Exams Report')

@section('breadcrumb')
    <a href="{{ route('admin.dashboard') }}">Dashboard</a>
    <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" width="12" height="12"><path d="M9 18l6-6-6-6"/></svg>
    <a href="{{ route('admin.reports.profiles') }}">Reports</a>
    <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" width="12" height="12"><path d="M9 18l6-6-6-6"/></svg>
    <span>Exams</span>
@endsection

@section('content')

<div class="page-header">
    <div>
        <h1 class="page-header-title">Exam attempts</h1>
        <p class="page-header-sub">All exam attempts across all posts and candidates.</p>
    </div>
</div>

@include('partials._report-tabs')

<section class="stats-grid stagger">
    <div class="stat-card">
        <div class="stat-gradient-bg"></div>
        <div class="stat-header">
            <div class="stat-icon stat-icon-primary"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><rect x="2" y="3" width="20" height="14" rx="2"/><path d="M8 21h8M12 17v4"/></svg></div>
            <span class="stat-trend trend-up">total</span>
        </div>
        <div class="stat-label">Total attempts</div>
        <div class="stat-value">{{ number_format($stats['total']) }}</div>
        <div class="stat-footer"><span class="stat-foot-text">Across all posts</span></div>
    </div>

    <div class="stat-card success">
        <div class="stat-gradient-bg stat-grad-success"></div>
        <div class="stat-header">
            <div class="stat-icon stat-icon-success"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><circle cx="12" cy="12" r="10"/><path d="M9 12l2 2 4-4"/></svg></div>
            <span class="stat-trend trend-up">done</span>
        </div>
        <div class="stat-label">Completed</div>
        <div class="stat-value">{{ number_format($stats['completed']) }}</div>
        <div class="stat-footer">
            @php $c = $stats['total'] > 0 ? round(($stats['completed'] / $stats['total']) * 100) : 0; @endphp
            <div class="stat-progress"><div class="stat-progress-bar" style="width:{{ $c }}%; background: var(--grad-success);"></div></div>
            <span class="stat-foot-text">{{ $c }}%</span>
        </div>
    </div>

    <div class="stat-card warning">
        <div class="stat-gradient-bg stat-grad-warning"></div>
        <div class="stat-header">
            <div class="stat-icon stat-icon-warning"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><circle cx="12" cy="12" r="10"/><path d="M12 6v6l4 2"/></svg></div>
            <span class="stat-trend trend-live"><span class="pulse-dot"></span>LIVE</span>
        </div>
        <div class="stat-label">In progress / review</div>
        <div class="stat-value">{{ number_format(($stats['in_progress'] ?? 0) + ($stats['in_review'] ?? 0)) }}</div>
        <div class="stat-footer"><span class="stat-foot-text">{{ $stats['not_started'] ?? 0 }} not started · {{ $stats['reset'] ?? 0 }} reset</span></div>
    </div>

    <div class="stat-card danger">
        <div class="stat-gradient-bg stat-grad-danger"></div>
        <div class="stat-header">
            <div class="stat-icon stat-icon-danger"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M10.29 3.86L1.82 18a2 2 0 001.71 3h16.94a2 2 0 001.71-3L13.71 3.86a2 2 0 00-3.42 0z"/><path d="M12 9v4M12 17h.01"/></svg></div>
            <span class="stat-trend trend-down">{{ $stats['force_submitted'] ?? 0 }}</span>
        </div>
        <div class="stat-label">Force submitted</div>
        <div class="stat-value">{{ number_format($stats['force_submitted'] ?? 0) }}</div>
        <div class="stat-footer"><span class="stat-foot-text">Auto-terminated attempts</span></div>
    </div>
</section>

@include('partials._report-filter', ['exportType' => 'exams'])

@include('partials._report-cap-banner')

<div class="chart-card">
    <div class="card-header">
        <div>
            <div class="card-title">
                <div class="card-title-icon"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><rect x="2" y="3" width="20" height="14" rx="2"/><path d="M8 21h8M12 17v4"/></svg></div>
                All exam attempts
            </div>
            <div class="card-subtitle">{{ $attempts->count() }} record(s)</div>
        </div>
    </div>

    @if($attempts->isEmpty())
        <div class="empty-state">
            <div class="empty-state-icon"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><rect x="2" y="3" width="20" height="14" rx="2"/></svg></div>
            <div class="empty-state-title">No exam attempts yet</div>
            <div class="empty-state-text">Candidate exam attempts will be listed here once exams begin.</div>
        </div>
    @else
        <div style="overflow-x:auto;">
            <table id="reportTable" class="data-table" style="width:100%;">
                <thead>
                    <tr>
                        <th style="width:40px;">#</th>
                        <th>Candidate</th>
                        <th>Post</th>
                        <th>#</th>
                        <th>Status</th>
                        <th>Score</th>
                        <th>Force</th>
                        <th>Started</th>
                        <th style="width:60px;">&nbsp;</th>
                    </tr>
                </thead>
                <tbody>
                    @foreach($attempts as $a)
                        @php
                            $status = strtolower($a->status_label ?? '');
                            $pillTone = 's-neutral';
                            if (str_contains($status, 'complet'))        $pillTone = 's-success';
                            elseif (str_contains($status, 'progress'))   $pillTone = 's-info';
                            elseif (str_contains($status, 'review'))     $pillTone = 's-warning';
                            elseif (str_contains($status, 'reset'))      $pillTone = 's-info';
                            elseif (str_contains($status, 'force'))      $pillTone = 's-danger';
                        @endphp
                        <tr>
                            <td class="cell-mono">{{ $loop->iteration }}</td>
                            <td>
                                <div class="cell-strong">{{ $a->user?->name }}</div>
                                <div class="cell-mono">{{ $a->user?->email }}</div>
                            </td>
                            <td><span class="status-pill s-neutral">{{ $a->post?->code }}</span></td>
                            <td class="cell-mono cell-strong">#{{ $a->attempt_no }}</td>
                            <td><span class="status-pill {{ $pillTone }}">{{ $a->status_label }}</span></td>
                            <td>
                                @if($a->status === 'completed')
                                    <span class="cell-strong" style="font-family:'JetBrains Mono',monospace;">{{ $a->score }}/{{ $a->total_questions }}</span>
                                @else
                                    <span class="cell-mono">—</span>
                                @endif
                            </td>
                            <td>
                                @if($a->force_submitted)
                                    <span class="status-pill s-danger">Yes</span>
                                @else
                                    <span class="status-pill s-neutral">No</span>
                                @endif
                            </td>
                            <td class="cell-time">
                                @if($a->started_at)
                                    <strong>{{ $a->started_at->format('d M Y') }}</strong>
                                @else
                                    <span class="cell-mono">—</span>
                                @endif
                            </td>
                            <td>
                                <a href="{{ route('admin.exam-attempts.show', $a) }}" class="ds-icon-link" title="View attempt" aria-label="View attempt">
                                    <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M1 12s4-8 11-8 11 8 11 8-4 8-11 8-11-8-11-8z"/><circle cx="12" cy="12" r="3"/></svg>
                                </a>
                            </td>
                        </tr>
                    @endforeach
                </tbody>
            </table>
        </div>
    @endif
</div>

@endsection

@push('scripts')
<script>
$(function () {
    if ($('#reportTable tbody tr').length) {
        $('#reportTable').DataTable({
            responsive: true, pageLength: 25, order: [[7, 'desc']],
            dom: '<"row"<"col-sm-6"B><"col-sm-6 text-end"f>><"row"<"col-sm-12"tr>><"row"<"col-sm-5"i><"col-sm-7"p>>',
            buttons: [
                { extend: 'excelHtml5', text: '<i class="bi bi-file-earmark-excel"></i> Excel', className: 'btn btn-success', exportOptions: { columns: [0,1,2,3,4,5,6,7] }, title: 'Exams Report — FDRS' },
                { extend: 'print', text: '<i class="bi bi-printer"></i> Print', className: 'btn btn-secondary', exportOptions: { columns: [0,1,2,3,4,5,6,7] }, autoPrint: false }
            ],
            language: { search: '', searchPlaceholder: 'Search attempts…', lengthMenu: 'Show _MENU_', info: 'Showing _START_–_END_ of _TOTAL_', paginate: { first: '«', last: '»', next: '›', previous: '‹' } },
            columnDefs: [{ orderable: false, targets: [8] }]
        });
    }
});
</script>
@endpush