@extends('layout.main') @section('content')
{{-- Inventario → Analizar inventario (InventoryAnalysisController): todos los análisis en una sola página. --}}
@php
    $money = function ($v) { return '$' . number_format((float) $v, 2); };
    $num = function ($v) { return rtrim(rtrim(number_format((float) $v, 2), '0'), '.'); };
    $short = function ($n) { return preg_replace('/\s*-\s*Entre Tu y Yo$/i', '', (string) $n); };
    $url = function ($local) { return route('inventory.analysis', array_filter(['local' => $local])); };
@endphp
<style>
    .ia { --ia-brand: var(--brand, #4f46e5); --ia-border: var(--border, #e5e7eb); --ia-muted: var(--text-muted, #6b7280); }
    .ia-box { background: var(--surface, #fff); border: 1px solid var(--ia-border); border-radius: 14px; padding: 16px; margin-bottom: 16px; }
    .ia-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 14px; }
    .ia-seg { display: inline-flex; flex-wrap: wrap; gap: 2px; padding: 3px; border: 1px solid var(--ia-border); border-radius: 10px; background: var(--surface, #fff); }
    .ia-seg a { padding: 6px 12px; border-radius: 7px; font-weight: 600; font-size: 12.5px; color: var(--ia-muted); text-decoration: none; }
    .ia-seg a.on { background: var(--ia-brand); color: var(--brand-contrast, #fff); }
    .ia-kpis { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; margin-bottom: 16px; }
    .ia-kpi { background: var(--surface, #fff); border: 1px solid var(--ia-border); border-radius: 14px; padding: 14px 16px; }
    .ia-kpi small { display: block; font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--ia-muted); }
    .ia-kpi b { display: block; font-size: 22px; font-weight: 750; margin-top: 4px; font-variant-numeric: tabular-nums; }
    .ia-kpi.warn b { color: #b45309; } .ia-kpi.bad b { color: #b91c1c; }
    .ia-tabs { display: flex; flex-wrap: wrap; gap: 6px; border-bottom: 1px solid var(--ia-border); margin-bottom: 14px; }
    .ia-tabs a { padding: 9px 14px; font-weight: 650; color: var(--ia-muted); border-bottom: 2px solid transparent; margin-bottom: -1px; text-decoration: none; cursor: pointer; }
    .ia-tabs a.active { color: var(--ia-brand); border-bottom-color: var(--ia-brand); }
    .ia-pane { display: none; } .ia-pane.active { display: block; }
    .ia-more { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px; }
    .ia-more a, .ia-more button { display: flex; align-items: center; gap: 10px; padding: 12px 14px; border: 1px solid var(--ia-border); border-radius: 12px; background: var(--surface, #fff);
        color: inherit; text-decoration: none; font-weight: 600; text-align: left; width: 100%; }
    .ia-more a:hover, .ia-more button:hover { border-color: var(--ia-brand); color: var(--ia-brand); }
    .ia-more i { width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center; background: var(--brand-soft, #eef2ff); color: var(--ia-brand); flex: 0 0 30px; }
    .ia-more small { display: block; font-weight: 400; color: var(--ia-muted); }
    @media (max-width: 991px) { .ia-kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
</style>
<section class="forms ia">
    <div class="container-fluid">
        <div class="ia-head">
            <h4 class="mb-0">Analizar inventario</h4>
            @if(!$restricted && $warehouses->count() > 1)
            <nav class="ia-seg" aria-label="Local">
                <a href="{{ $url(null) }}" class="{{ !$warehouse_id ? 'on' : '' }}">Todos</a>
                @foreach($warehouses as $w)<a href="{{ $url($w->id) }}" class="{{ $warehouse_id == $w->id ? 'on' : '' }}">{{ $short($w->name) }}</a>@endforeach
            </nav>
            @endif
        </div>

        <div class="ia-kpis">
            <div class="ia-kpi"><small>Productos con stock</small><b>{{ number_format($totals['products']) }}</b></div>
            <div class="ia-kpi"><small>Unidades</small><b>{{ $num($totals['units']) }}</b></div>
            <div class="ia-kpi"><small>Valor al costo</small><b>{{ $money($totals['value']) }}</b></div>
            <div class="ia-kpi {{ $totals['critical'] ? 'warn' : '' }}"><small>Stock crítico</small><b>{{ number_format($totals['critical']) }}</b></div>
            <div class="ia-kpi {{ $totals['zero'] ? 'bad' : '' }}"><small>Stock en cero</small><b>{{ number_format($totals['zero']) }}</b></div>
        </div>

        <div class="ia-box">
            <nav class="ia-tabs" role="tablist">
                <a class="active" data-pane="critico">Stock crítico</a>
                <a data-pane="vendidos">Más vendidos (30 días)</a>
                <a data-pane="quieto">Sin ventas (90 días)</a>
                <a data-pane="locales">Por local</a>
            </nav>

            <div class="ia-pane active" id="pane-critico">
                <p class="text-muted"><small>Productos cuyo stock está por debajo de su cantidad de alerta. Los primeros 15, del más urgente al menos urgente.</small></p>
                <div class="table-responsive"><table class="table table-sm">
                    <thead><tr><th>Producto</th><th>Código</th>@if(!$warehouse_id)<th>Local</th>@endif<th class="text-right">Stock</th><th class="text-right">Alerta</th></tr></thead>
                    <tbody>@forelse($critical as $c)<tr><td>{{ $c->name }}</td><td>{{ $c->code }}</td>@if(!$warehouse_id)<td>{{ $c->warehouse_id ? $short($names[$c->warehouse_id] ?? '') : 'Total' }}</td>@endif<td class="text-right text-danger"><strong>{{ $num($c->qty) }}</strong></td><td class="text-right">{{ $num($c->alert_quantity) }}</td></tr>
                    @empty<tr><td colspan="5" class="text-muted">Ningún producto en stock crítico.</td></tr>@endforelse</tbody>
                </table></div>
                @if($links['qtyAlert'])<a href="{{ route('report.qtyAlert') }}" class="btn btn-outline-primary btn-sm">Ver la lista completa de stock crítico</a>@endif
            </div>

            <div class="ia-pane" id="pane-vendidos">
                <p class="text-muted"><small>Unidades vendidas en los últimos 30 días (ventas sin borradores del ambiente SRI activo).</small></p>
                <div class="table-responsive"><table class="table table-sm">
                    <thead><tr><th>Producto</th><th>Código</th><th class="text-right">Unidades</th><th class="text-right">Vendido</th></tr></thead>
                    <tbody>@forelse($top as $t)<tr><td>{{ $t->name }}</td><td>{{ $t->code }}</td><td class="text-right"><strong>{{ $num($t->qty) }}</strong></td><td class="text-right">{{ $money($t->total) }}</td></tr>
                    @empty<tr><td colspan="4" class="text-muted">Sin ventas en los últimos 30 días.</td></tr>@endforelse</tbody>
                </table></div>
                @if($links['bestSeller'])<a href="{{ url('report/best_seller') }}" class="btn btn-outline-primary btn-sm">Ver el reporte de más vendidos por mes</a>@endif
            </div>

            <div class="ia-pane" id="pane-quieto">
                <p class="text-muted"><small>Productos con stock que no se vendieron en 90 días, ordenados por el dinero que tienen inmovilizado (stock × costo).</small></p>
                <div class="table-responsive"><table class="table table-sm">
                    <thead><tr><th>Producto</th><th>Código</th>@if(!$warehouse_id)<th>Local</th>@endif<th class="text-right">Stock</th><th class="text-right">Valor al costo</th></tr></thead>
                    <tbody>@forelse($still as $q)<tr><td>{{ $q->name }}</td><td>{{ $q->code }}</td>@if(!$warehouse_id)<td>{{ $short($names[$q->warehouse_id] ?? '') }}</td>@endif<td class="text-right">{{ $num($q->qty) }}</td><td class="text-right"><strong>{{ $money($q->qty * $q->cost) }}</strong></td></tr>
                    @empty<tr><td colspan="5" class="text-muted">Todo lo que tiene stock se vendió en los últimos 90 días.</td></tr>@endforelse</tbody>
                </table></div>
            </div>

            <div class="ia-pane" id="pane-locales">
                <div class="table-responsive"><table class="table table-sm">
                    <thead><tr><th>Local</th><th class="text-right">Productos con stock</th><th class="text-right">Unidades</th><th class="text-right">Valor al costo</th><th class="text-right">Stock crítico</th><th class="text-right">Stock en cero</th></tr></thead>
                    <tbody>@foreach($stores as $st)<tr><td><a href="{{ $url($st->id) }}">{{ $st->name }}</a></td><td class="text-right">{{ number_format($st->products) }}</td><td class="text-right">{{ $num($st->units) }}</td><td class="text-right">{{ $money($st->value) }}</td><td class="text-right">{{ number_format($st->critical) }}</td><td class="text-right">{{ number_format($st->zero) }}</td></tr>@endforeach</tbody>
                </table></div>
                @if($links['warehouseStock'])<a href="{{ route('report.warehouseStock') }}" class="btn btn-outline-primary btn-sm">Ver el gráfico de stock por local</a>@endif
            </div>
        </div>

        <div class="ia-box">
            <h6 class="mb-3">Más análisis y revisiones</h6>
            <div class="ia-more">
                @if($links['products'])<a href="{{ route('products.zero-stock') }}"><i class="fa fa-exclamation-circle"></i><span>Stock en cero<small>Productos sin unidades por local</small></span></a>@endif
                @if($links['admin'])<a href="{{ route('products.unassigned') }}"><i class="fa fa-question-circle"></i><span>Productos sin almacén<small>Sin stock asignado a ningún local</small></span></a>@endif
                @if($links['qtyAlert'])<a href="{{ route('report.qtyAlert') }}"><i class="fa fa-exclamation-triangle"></i><span>Stock crítico completo<small>Todos los productos bajo su alerta</small></span></a>@endif
                @if($links['warehouseStock'])<a href="{{ route('report.warehouseStock') }}"><i class="fa fa-pie-chart"></i><span>Stock por local<small>Gráfico de unidades y valor</small></span></a>@endif
                @if($links['bestSeller'])<a href="{{ url('report/best_seller') }}"><i class="fa fa-trophy"></i><span>Más vendidos<small>Reporte mensual</small></span></a>@endif
                @if($links['productReport'])
                {!! Form::open(['route' => 'report.product', 'method' => 'post', 'class' => 'm-0']) !!}
                    <input type="hidden" name="start_date" value="1988-04-18"><input type="hidden" name="end_date" value="{{ date('Y-m-d') }}"><input type="hidden" name="warehouse_id" value="{{ $warehouse_id ?: 0 }}">
                    <button type="submit"><i class="fa fa-cubes"></i><span>Productos: compras y ventas<small>Lo comprado y vendido de cada producto</small></span></button>
                {!! Form::close() !!}
                @endif
            </div>
        </div>
    </div>
</section>
<script>
    $('.ia-tabs a').on('click', function () {
        $('.ia-tabs a').removeClass('active'); $(this).addClass('active');
        $('.ia-pane').removeClass('active'); $('#pane-' + $(this).data('pane')).addClass('active');
    });
</script>
@endsection