@extends('layouts.app')
@section('title', 'Email Logs')

@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>Emails</span>
@endsection

@section('content')

<div class="page-header">
    <div>
        <h1 class="page-header-title">Result email logs</h1>
        <p class="page-header-sub">Delivery logs for result emails sent to 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"><path d="M4 4h16v16H4z"/><path d="M22 6l-10 7L2 6"/></svg></div>
            <span class="stat-trend trend-up">total</span>
        </div>
        <div class="stat-label">Total emails</div>
        <div class="stat-value">{{ number_format($stats['total']) }}</div>
        <div class="stat-footer"><span class="stat-foot-text">All delivery attempts</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"><path d="M22 2L11 13"/><path d="M22 2l-7 20-4-9-9-4 20-7z"/></svg></div>
            <span class="stat-trend trend-up">ok</span>
        </div>
        <div class="stat-label">Sent</div>
        <div class="stat-value">{{ number_format($stats['sent']) }}</div>
        <div class="stat-footer">
            @php $s = $stats['total'] > 0 ? round(($stats['sent'] / $stats['total']) * 100) : 0; @endphp
            <div class="stat-progress"><div class="stat-progress-bar" style="width:{{ $s }}%; background: var(--grad-success);"></div></div>
            <span class="stat-foot-text">{{ $s }}% delivered</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"><circle cx="12" cy="12" r="10"/><path d="M15 9l-6 6M9 9l6 6"/></svg></div>
            <span class="stat-trend trend-down">{{ $stats['failed'] }}</span>
        </div>
        <div class="stat-label">Failed</div>
        <div class="stat-value">{{ number_format($stats['failed']) }}</div>
        <div class="stat-footer"><span class="stat-foot-text">Bounced or rejected</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>QUEUED</span>
        </div>
        <div class="stat-label">Pending</div>
        <div class="stat-value">{{ number_format($stats['pending']) }}</div>
        <div class="stat-footer"><span class="stat-foot-text">Awaiting dispatch</span></div>
    </div>
</section>

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

@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"><path d="M4 4h16v16H4z"/><path d="M22 6l-10 7L2 6"/></svg></div>
                Email log
            </div>
            <div class="card-subtitle">{{ $logs->count() }} record(s)</div>
        </div>
    </div>

    @if($logs->isEmpty())
        <div class="empty-state">
            <div class="empty-state-icon"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M4 4h16v16H4z"/><path d="M22 6l-10 7L2 6"/></svg></div>
            <div class="empty-state-title">No emails sent</div>
            <div class="empty-state-text">Email delivery logs will appear here once results are dispatched.</div>
        </div>
    @else
        <div style="overflow-x:auto;">
            <table id="reportTable" class="data-table" style="width:100%;">
                <thead>
                    <tr>
                        <th style="width:40px;">#</th>
                        <th>Candidate</th>
                        <th>Post</th>
                        <th>To</th>
                        <th>Subject</th>
                        <th>Status</th>
                        <th>Failure</th>
                        <th>Sent at</th>
                        <th style="width:60px;">&nbsp;</th>
                    </tr>
                </thead>
                <tbody>
                    @foreach($logs as $log)
                        @php
                            $s = strtolower($log->status ?? '');
                            $pillTone = 's-neutral';
                            if ($s === 'sent')        $pillTone = 's-success';
                            elseif ($s === 'failed')  $pillTone = 's-danger';
                            elseif ($s === 'pending') $pillTone = 's-warning';
                        @endphp
                        <tr>
                            <td class="cell-mono">{{ $loop->iteration }}</td>
                            <td><div class="cell-strong">{{ $log->user?->name }}</div></td>
                            <td><span class="status-pill s-neutral">{{ $log->application?->post?->code ?? '—' }}</span></td>
                            <td class="cell-mono">{{ $log->email_to }}</td>
                            <td style="max-width:220px;"><span style="color: var(--text-secondary); font-size:13px; word-break:break-word;">{{ Str::limit($log->email_subject, 50) }}</span></td>
                            <td><span class="status-pill {{ $pillTone }}">{{ ucfirst($log->status) }}</span></td>
                            <td style="max-width:200px;">
                                @if($log->failure_reason)
                                    <span style="color: var(--danger-700); font-size:12px; word-break:break-word;">{{ Str::limit($log->failure_reason, 60) }}</span>
                                @else
                                    <span class="cell-mono">—</span>
                                @endif
                            </td>
                            <td class="cell-time">
                                @if($log->sent_at)
                                    <strong>{{ $log->sent_at->format('d M Y') }}</strong><br>{{ $log->sent_at->format('h:i A') }}
                                @else
                                    <span class="cell-mono">—</span>
                                @endif
                            </td>
                            <td>
                                @if($log->examAttempt)
                                    <a href="{{ route('admin.exam-attempts.show', $log->examAttempt) }}" 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>
                                @endif
                            </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: 'Email Logs — 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 emails…', lengthMenu: 'Show _MENU_', info: 'Showing _START_–_END_ of _TOTAL_', paginate: { first: '«', last: '»', next: '›', previous: '‹' } },
            columnDefs: [{ orderable: false, targets: [8] }]
        });
    }
});
</script>
@endpush