@extends('layouts.app')

@section('content')
    @php
        $winnerVariantId = (int) ($test->winner_variant_id ?? 0);
        $finalVariant = $test->variants->firstWhere('variant_type', 'final');
        $testVariants = $test->variants->where('variant_type', 'test')->values();
        $hasWinner = $winnerVariantId > 0;
        $canLaunchFinal = $hasWinner && $finalVariant && !$finalVariant->campaign_send_id;
        $winnerLabel = $test->winnerVariant?->variant_name ?: (\App\Support\AbTestingSupport::winnerMetrics()[$test->winner_metric] ?? $test->winner_metric);
        $startSummary = $test->scheduled_at
            ? \App\Support\CampaignBuilderSupport::scheduleSummary((string) $test->getRawOriginal('scheduled_at'), $test->scheduled_timezone)
            : 'Manual / instantaneo';
        $cadenceSummary = \App\Support\AbTestingSupport::intervalSummary((int) $test->send_interval_value, (string) $test->send_interval_unit);
        $finalDelaySummary = \App\Support\AbTestingSupport::intervalSummary((int) $test->final_delay_value, (string) $test->final_delay_unit);
        $metrics = collect($variantMetrics);
        $sentTotal = (int) $metrics->sum('sent_count');
        $failedTotal = (int) $metrics->sum('failed_count');
        $skippedTotal = (int) $metrics->sum('skipped_count');
        $opensTotal = (int) $metrics->sum('unique_opens');
        $clicksTotal = (int) $metrics->sum('unique_clicks');
        $unsubTotal = (int) $metrics->sum('unsubscribes');
        $openRate = $sentTotal > 0 ? round(($opensTotal / $sentTotal) * 100, 2) : 0;
        $clickRate = $sentTotal > 0 ? round(($clicksTotal / $sentTotal) * 100, 2) : 0;
        $preflight = collect($launchReadiness);
        $readyDrafts = $preflight->filter(static fn ($row): bool => (bool) ($row['ready'] ?? false))->count();
        $blockedVariants = $preflight->filter(static fn ($row): bool => !(bool) ($row['ready'] ?? false))->count();
        $blockersTotal = (int) $preflight->sum(static fn ($row): int => count((array) ($row['blockers'] ?? [])));
        $includeLists = $test->audienceLists->filter(static fn ($list): bool => (string) $list->pivot->mode === 'include')->values();
        $excludeLists = $test->audienceLists->filter(static fn ($list): bool => (string) $list->pivot->mode === 'exclude')->values();
        $includeLabel = $includeLists->pluck('name')->take(3)->implode(', ');
        $excludeLabel = $excludeLists->pluck('name')->take(2)->implode(', ');
        if ($includeLists->count() > 3) {
            $includeLabel .= ' +' . ($includeLists->count() - 3);
        }
        if ($excludeLists->count() > 2) {
            $excludeLabel .= ' +' . ($excludeLists->count() - 2);
        }
        $includeLabel = $includeLabel !== '' ? $includeLabel : 'Sin include';
        $excludeLabel = $excludeLabel !== '' ? $excludeLabel : 'Sin exclude';
        $finalAudience = $finalVariant ? (int) $finalVariant->sample_size : max(0, (int) $test->source_audience_total - ((int) $test->variant_count * (int) $test->sample_size_per_variant));
        $testRates = $testVariants
            ->map(static fn ($variant): int => (int) ($variant->campaign?->send_rate_per_minute ?? 0))
            ->filter(static fn (int $rate): bool => $rate > 0)
            ->values();
        $minSps = $testRates->isNotEmpty() ? (int) $testRates->min() : 0;
        $maxSps = $testRates->isNotEmpty() ? (int) $testRates->max() : 0;
        $avgSps = $testRates->isNotEmpty() ? round((float) $testRates->avg(), 1) : 0;
    @endphp

    <div class="ab-show-page">
        <section class="table-card ab-show-console">
            <div class="ab-show-head">
                <div class="ab-show-title">
                    <div class="ab-inline-title">
                        <span class="variant-key-badge">#{{ $test->id }}</span>
                        <h2>{{ $test->name }}</h2>
                        <span class="status {{ in_array($test->status, ['draft', 'scheduled', 'queued'], true) ? 'status-next' : 'status-ready' }}">{{ $test->status }}</span>
                    </div>
                    <p>
                        {{ $test->sourceCampaign?->name ?: 'Sin campana base' }}
                        <span aria-hidden="true">|</span>
                        {{ $includeLabel }}
                        <span aria-hidden="true">|</span>
                        {{ number_format((int) $test->source_audience_total) }} evaluados
                    </p>
                </div>

                <div class="actions ab-show-actions">
                    <a href="{{ route('ab-tests.index') }}" class="button button-ghost"><x-legacy-icon name="report" icon-class="button-icon" /> Resultados</a>
                    <form method="post" action="{{ route('ab-tests.schedule', $test->id) }}" data-lock-on-submit>
                        @csrf
                        <button type="submit" class="button button-ghost" data-loading-text="Calendarizando...">Calendarizar</button>
                    </form>
                    <form method="post" action="{{ route('ab-tests.launch-variants', $test->id) }}" data-lock-on-submit onsubmit="return confirm('Lanzar/programar variantes A/B desde Laravel?');">
                        @csrf
                        <button type="submit" class="button" data-loading-text="Lanzando..."><x-legacy-icon name="play" icon-class="button-icon" /> Lanzar variantes</button>
                    </form>
                    <form method="post" action="{{ route('ab-tests.launch-final', $test->id) }}" data-lock-on-submit onsubmit="return confirm('Lanzar/programar final A/B desde Laravel?');">
                        @csrf
                        <button type="submit" class="button" @disabled(!$canLaunchFinal) data-loading-text="Lanzando final..."><x-legacy-icon name="send" icon-class="button-icon" /> Lanzar final</button>
                    </form>
                </div>
            </div>

            <div class="ab-show-strip" aria-label="Resumen operativo A/B">
                <div>
                    <small>Pruebas</small>
                    <strong>{{ number_format((int) $test->variant_count) }} x {{ number_format((int) $test->sample_size_per_variant) }}</strong>
                </div>
                <div>
                    <small>Final</small>
                    <strong>{{ number_format($finalAudience) }}</strong>
                </div>
                <div>
                    <small>Inicio</small>
                    <strong>{{ $startSummary }}</strong>
                </div>
                <div>
                    <small>Cadencia</small>
                    <strong>{{ $cadenceSummary }}</strong>
                </div>
                <div>
                    <small>SPS / rate</small>
                    <strong>{{ $minSps === $maxSps ? number_format($maxSps) : number_format($minSps) . '-' . number_format($maxSps) }}</strong>
                    <span>prom {{ number_format((float) $avgSps, 1) }}</span>
                </div>
                <div>
                    <small>Espera final</small>
                    <strong>{{ $finalDelaySummary }}</strong>
                </div>
                <div>
                    <small>Preflight</small>
                    <strong>{{ $blockersTotal > 0 ? number_format($blockersTotal) . ' bloqueos' : number_format($readyDrafts) . ' listos' }}</strong>
                    @if ($blockedVariants > 0)
                        <span>{{ number_format($blockedVariants) }} variantes</span>
                    @endif
                </div>
                <div>
                    <small>Enviados</small>
                    <strong>{{ number_format($sentTotal) }}</strong>
                    <span>{{ number_format($failedTotal) }} fallidos / {{ number_format($skippedTotal) }} omitidos</span>
                </div>
                <div>
                    <small>Opens</small>
                    <strong>{{ number_format($opensTotal) }} | {{ $openRate }}%</strong>
                </div>
                <div>
                    <small>Clicks</small>
                    <strong>{{ number_format($clicksTotal) }} | {{ $clickRate }}%</strong>
                </div>
                <div>
                    <small>Ganador</small>
                    <strong>{{ $winnerLabel }}</strong>
                </div>
            </div>

            <div class="ab-show-runbar">
                <div class="ab-show-runbar-main">
                    <span><strong>Include:</strong> {{ $includeLabel }}</span>
                    <span><strong>Exclude:</strong> {{ $excludeLabel }}</span>
                    <span><strong>Aliases:</strong> {{ number_format($test->variants->count()) }}</span>
                    <span><strong>Unsubs:</strong> {{ number_format($unsubTotal) }}</span>
                </div>
                <div class="actions ab-show-secondary-actions">
                    <form method="post" action="{{ route('ab-tests.run-state', [$test->id, 'pause']) }}" data-lock-on-submit>
                        @csrf
                        <button type="submit" class="button button-ghost" data-loading-text="Pausando...">Pausar</button>
                    </form>
                    <form method="post" action="{{ route('ab-tests.run-state', [$test->id, 'resume']) }}" data-lock-on-submit>
                        @csrf
                        <button type="submit" class="button button-ghost" data-loading-text="Reanudando...">Reanudar</button>
                    </form>
                    <form method="post" action="{{ route('ab-tests.run-state', [$test->id, 'cancel']) }}" data-lock-on-submit onsubmit="return confirm('Cancelar sends activos de esta prueba A/B?');">
                        @csrf
                        <button type="submit" class="button button-ghost" data-loading-text="Cancelando...">Cancelar corrida</button>
                    </form>
                    <form method="post" action="{{ route('ab-tests.destroy', $test->id) }}" data-lock-on-submit onsubmit="return confirm('Borrar esta prueba A/B y ocultar sus aliases generados?');">
                        @csrf
                        @method('DELETE')
                        <button type="submit" class="button button-ghost" data-loading-text="Borrando..."><x-legacy-icon name="trash" icon-class="button-icon" /> Borrar</button>
                    </form>
                </div>
            </div>
        </section>

        <section class="table-card ab-show-table-card">
            <div class="ab-show-table-head">
                <div>
                    <h2>Variantes y final</h2>
                    <p>{{ number_format($testVariants->count()) }} pruebas, {{ $finalVariant ? '1 final' : 'sin final' }}, {{ number_format($sentTotal) }} enviados.</p>
                </div>
                <div class="ab-show-table-summary">
                    <span>{{ $test->created_at?->format('Y-m-d') }}</span>
                    <span>{{ $test->scheduled_timezone }}</span>
                </div>
            </div>

            <div class="table-shell ab-show-table-shell">
                <table class="data-table ab-results-table ab-show-table">
                    <thead>
                        <tr>
                            <th>Variante</th>
                            <th>Subject / campana</th>
                            <th>Lista</th>
                            <th>Hora</th>
                            <th>SPS</th>
                            <th>Progreso</th>
                            <th>Opens</th>
                            <th>Clicks</th>
                            <th>Estado</th>
                            <th>Acciones</th>
                        </tr>
                    </thead>
                    <tbody>
                        @foreach ($test->variants as $variant)
                            @php
                                $metrics = $variantMetrics[(int) $variant->campaign_id] ?? [
                                    'total_recipients' => 0,
                                    'sent_count' => 0,
                                    'failed_count' => 0,
                                    'skipped_count' => 0,
                                    'unique_opens' => 0,
                                    'unique_clicks' => 0,
                                    'unsubscribes' => 0,
                                    'open_rate' => 0,
                                    'click_rate' => 0,
                                    'ctor_rate' => 0,
                                    'unsubscribe_rate' => 0,
                                    'latest_send' => null,
                                ];
                                $readiness = $launchReadiness[(int) $variant->id] ?? null;
                                $latestSend = $metrics['latest_send'] ?? null;
                                $isWinner = $winnerVariantId === (int) $variant->id;
                                $isFinal = (string) $variant->variant_type === 'final';
                                $totalRecipients = (int) ($metrics['total_recipients'] ?: ($latestSend->total_recipients ?? 0));
                                $sentCount = (int) $metrics['sent_count'];
                                $progress = $totalRecipients > 0 ? min(100, round(($sentCount / max(1, $totalRecipients)) * 100, 2)) : 0;
                                $blockers = (array) ($readiness['blockers'] ?? []);
                                $sendRate = (int) ($latestSend->rate_per_minute ?? $variant->campaign?->send_rate_per_minute ?? 0);
                                $timezone = (string) ($test->scheduled_timezone ?: ($variant->campaign?->scheduled_timezone ?? 'America/Tijuana'));
                                $variantOrder = (int) ($variant->send_order ?: ($loop->iteration ?? 0));
                                $pendingBefore = $testVariants->filter(static function ($candidate) use ($variant, $variantMetrics): bool {
                                    if ((int) ($candidate->send_order ?? 0) >= (int) ($variant->send_order ?? 0)) {
                                        return false;
                                    }

                                    $candidateSend = $variantMetrics[(int) $candidate->campaign_id]['latest_send'] ?? null;
                                    $candidateStatus = (string) ($candidateSend->status ?? '');

                                    return !in_array($candidateStatus, ['completed', 'sent', 'failed', 'cancelled'], true);
                                })->count();
                                $scheduledAtRaw = trim((string) (
                                    $latestSend->scheduled_at
                                    ?? $variant->getRawOriginal('scheduled_at')
                                    ?? $variant->campaign?->getRawOriginal('scheduled_at')
                                    ?? ''
                                ));
                                $sendCreatedRaw = trim((string) ($latestSend->created_at ?? ''));
                                $sendStartedRaw = trim((string) ($latestSend->started_at ?? ''));
                                $sendLastProcessedRaw = trim((string) ($latestSend->last_processed_at ?? ''));
                                $sendUpdatedRaw = trim((string) ($latestSend->updated_at ?? ''));
                                $sendStatus = (string) ($latestSend->status ?? '');
                                $sendCreatedLabel = $sendCreatedRaw !== ''
                                    ? \Illuminate\Support\Carbon::parse($sendCreatedRaw, 'UTC')->setTimezone($timezone)->format('Y-m-d H:i')
                                    : '';
                                $sendStartedLabel = $sendStartedRaw !== ''
                                    ? \Illuminate\Support\Carbon::parse($sendStartedRaw, 'UTC')->setTimezone($timezone)->format('H:i')
                                    : '';
                                $sendLastLabel = ($sendLastProcessedRaw !== '' || $sendUpdatedRaw !== '')
                                    ? \Illuminate\Support\Carbon::parse($sendLastProcessedRaw !== '' ? $sendLastProcessedRaw : $sendUpdatedRaw, 'UTC')->setTimezone($timezone)->format('H:i')
                                    : '';
                                $scheduledLocalLabel = $scheduledAtRaw !== ''
                                    ? \Illuminate\Support\Carbon::parse($scheduledAtRaw, 'UTC')->setTimezone($timezone)->format('Y-m-d H:i')
                                    : '';
                                $scheduleLabel = match (true) {
                                    in_array($sendStatus, ['completed', 'sent'], true) => 'Completada',
                                    $sendStatus === 'running' => 'Enviando',
                                    $sendStatus === 'queued' => 'En cola',
                                    $scheduledAtRaw !== '' => 'Agendada',
                                    $latestSend || $variant->campaign_send_id => 'Inmediato',
                                    default => 'Sin programar',
                                };
                                $displayStatus = $sendStatus !== '' ? $sendStatus : (string) $variant->status;
                                $scheduleMeta = 'turno ' . number_format($variantOrder) . '/' . number_format($testVariants->count());
                                if ($pendingBefore > 0) {
                                    $scheduleMeta .= ' - espera ' . number_format($pendingBefore) . ' antes';
                                }
                                $scheduleDetail = match (true) {
                                    in_array($sendStatus, ['completed', 'sent'], true) && $sendLastLabel !== '' => 'fin ' . $sendLastLabel,
                                    $sendStatus === 'running' && $sendStartedLabel !== '' => 'inicio ' . $sendStartedLabel,
                                    $scheduledLocalLabel !== '' => 'agenda ' . $scheduledLocalLabel,
                                    $sendStartedLabel !== '' => 'inicio ' . $sendStartedLabel,
                                    $sendCreatedLabel !== '' && $sendStatus === 'queued' => 'sin agenda real',
                                    default => $timezone,
                                };
                                $scheduleLast = $sendLastLabel !== ''
                                    ? 'ultimo ' . $sendLastLabel
                                    : ($scheduledLocalLabel !== '' ? $timezone : '');
                            @endphp
                            <tr @class(['ab-variant-winner' => $isWinner])>
                                <td>
                                    <div class="ab-variant-compact">
                                        <a href="{{ route('ab-tests.variants.edit', [$test->id, $variant->id]) }}" @class(['variant-key-badge', 'variant-key-badge-final' => $isFinal])>{{ $isFinal ? 'FINAL' : $variant->variant_key }}</a>
                                        <div>
                                            <strong>{{ $variant->variant_name }}</strong>
                                            @if ($isWinner)
                                                <span class="metric-pill">Ganadora</span>
                                            @endif
                                            <span class="send-speed-muted">{{ number_format((int) $variant->sample_size) }} contactos</span>
                                        </div>
                                    </div>
                                </td>
                                <td>
                                    @if ($variant->campaign)
                                        <a href="{{ route('ab-tests.variants.edit', [$test->id, $variant->id]) }}" class="link-text">{{ $variant->campaign->name }}</a>
                                        <span class="campaign-row-subject">{{ $variant->campaign->subject ?: 'Sin subject' }}</span>
                                        @if ($variant->campaign->preheader)
                                            <span class="send-speed-muted">{{ $variant->campaign->preheader }}</span>
                                        @endif
                                    @else
                                        <span class="muted">Sin campana</span>
                                    @endif
                                </td>
                                <td>
                                    @if ($variant->list)
                                        <a href="{{ route('lists.show', $variant->contact_list_id) }}" class="link-text">{{ $variant->list->name }}</a>
                                        <span class="send-speed-muted">{{ number_format((int) $variant->list->active_contacts_count) }} activos</span>
                                    @else
                                        <span class="muted">Sin lista</span>
                                    @endif
                                </td>
                                <td>
                                    <div class="ab-show-schedule">
                                        <strong>{{ $scheduleLabel }}</strong>
                                        <span>{{ $scheduleMeta }}</span>
                                        <span>{{ $scheduleDetail }}</span>
                                        @if ($scheduleLast !== '')
                                            <span>{{ $scheduleLast }}</span>
                                        @endif
                                    </div>
                                </td>
                                <td>
                                    @if ($sendRate > 0)
                                        <div class="ab-show-rate">
                                            <strong>{{ number_format($sendRate) }}</strong>
                                            <span>emails/seg</span>
                                        </div>
                                    @else
                                        <span class="muted">Sin rate</span>
                                    @endif
                                </td>
                                <td>
                                    @if ($totalRecipients > 0 || $sentCount > 0)
                                        <div class="ab-show-progress">
                                            <div class="progress-track"><span style="width: {{ $progress }}%;"></span></div>
                                            <small>{{ number_format($sentCount) }} / {{ number_format($totalRecipients) }}</small>
                                            @if ((int) $metrics['failed_count'] > 0 || (int) $metrics['skipped_count'] > 0)
                                                <small class="muted">{{ number_format((int) $metrics['failed_count']) }} fallidos / {{ number_format((int) $metrics['skipped_count']) }} omitidos</small>
                                            @endif
                                        </div>
                                    @elseif ($readiness)
                                        <div class="ab-show-progress">
                                            <small>{{ ($readiness['ready'] ?? false) ? 'Listo para lanzar' : count($blockers) . ' bloqueos preflight' }}</small>
                                            @if ($blockers)
                                                <small class="muted">{{ $blockers[0] }}</small>
                                            @endif
                                        </div>
                                    @else
                                        <span class="muted">Sin envio</span>
                                    @endif
                                </td>
                                <td>
                                    <span class="metric-pill">{{ $metrics['open_rate'] }}%</span>
                                    <span>{{ number_format((int) $metrics['unique_opens']) }}</span>
                                </td>
                                <td>
                                    <span class="metric-pill click-pill">{{ $metrics['click_rate'] }}%</span>
                                    <span>{{ number_format((int) $metrics['unique_clicks']) }}</span>
                                    <span class="send-speed-muted">CTOR {{ $metrics['ctor_rate'] }}%</span>
                                </td>
                                <td>
                                    <span class="status {{ in_array($displayStatus, ['draft', 'scheduled', 'queued', 'validated'], true) ? 'status-next' : 'status-ready' }}">{{ $displayStatus }}</span>
                                    @if ($latestSend)
                                        <span class="send-speed-muted">Send #{{ $latestSend->id }}</span>
                                    @elseif ($variant->campaign_send_id)
                                        <span class="send-speed-muted">Send #{{ $variant->campaign_send_id }}</span>
                                    @endif
                                </td>
                                <td>
                                    <div class="actions ab-show-row-actions">
                                        <a href="{{ route('ab-tests.variants.edit', [$test->id, $variant->id]) }}" class="icon-button" title="Editar"><x-legacy-icon name="template" /></a>
                                        @if ($variant->variant_type === 'test')
                                            <form method="post" action="{{ route('ab-tests.variants.winner', [$test->id, $variant->id]) }}" data-lock-on-submit>
                                                @csrf
                                                <button type="submit" class="button button-ghost" @disabled($isWinner) data-loading-text="Preparando...">Ganador</button>
                                            </form>
                                        @endif
                                        @if ($variant->campaign)
                                            <a href="{{ route('campaigns.preview', $variant->campaign_id) }}" class="icon-button" title="Preview"><x-legacy-icon name="desktop" /></a>
                                        @endif
                                    </div>
                                </td>
                            </tr>
                        @endforeach
                    </tbody>
                </table>
            </div>
        </section>
    </div>
@endsection