@extends('layouts.app')

@section('title', 'Stock Valuation Report')
@section('page_title', 'Inventory Stock Valuation Report')

@section('content')
<div class="container-fluid p-0">

    <!-- KPI Cards Row -->
    <div class="row g-3 mb-4">
        <div class="col-md-3">
            <div class="card border-0 shadow-sm border-start border-primary border-4">
                <div class="card-body">
                    <span class="text-muted small text-uppercase fw-semibold">Total Stock Units</span>
                    <h3 class="fw-bold mb-0 mt-1">{{ number_format($totalStockUnits, 0) }}</h3>
                    <small class="text-muted">Across {{ $products->count() }} active products</small>
                </div>
            </div>
        </div>

        <div class="col-md-3">
            <div class="card border-0 shadow-sm border-start border-success border-4">
                <div class="card-body">
                    <span class="text-muted small text-uppercase fw-semibold">Total Cost Valuation (Asset)</span>
                    <h3 class="fw-bold mb-0 mt-1 text-success">₹{{ number_format($totalCostValuation, 2) }}</h3>
                    <small class="text-muted">Based on purchase cost price</small>
                </div>
            </div>
        </div>

        <div class="col-md-3">
            <div class="card border-0 shadow-sm border-start border-info border-4">
                <div class="card-body">
                    <span class="text-muted small text-uppercase fw-semibold">Retail Valuation</span>
                    <h3 class="fw-bold mb-0 mt-1 text-primary">₹{{ number_format($totalRetailValuation, 2) }}</h3>
                    <small class="text-muted">Based on current selling price</small>
                </div>
            </div>
        </div>

        <div class="col-md-3">
            <div class="card border-0 shadow-sm border-start border-warning border-4">
                <div class="card-body">
                    <span class="text-muted small text-uppercase fw-semibold">Estimated Gross Margin</span>
                    <h3 class="fw-bold mb-0 mt-1 text-dark">₹{{ number_format($potentialProfit, 2) }}</h3>
                    <small class="text-muted">Potential inventory markup</small>
                </div>
            </div>
        </div>
    </div>

    <!-- Stock Valuation Table -->
    <div class="card border-0 shadow-sm">
        <div class="card-header bg-white py-3 d-flex justify-content-between align-items-center">
            <h6 class="mb-0 fw-bold"><i class="bi bi-box-seam text-primary me-2"></i> Product-wise Stock Valuation Breakdown</h6>
            <button onclick="window.print()" class="btn btn-outline-secondary btn-sm no-print">
                <i class="bi bi-printer me-1"></i> Print Valuation Report
            </button>
        </div>
        <div class="card-body p-0">
            <div class="table-responsive">
                <table class="table table-hover align-middle mb-0">
                    <thead class="table-light">
                        <tr>
                            <th>Product Name / SKU</th>
                            <th>HSN Code</th>
                            <th class="text-center">Current Stock</th>
                            <th class="text-end">Cost Price</th>
                            <th class="text-end">Total Asset Value</th>
                            <th class="text-end">Selling Price</th>
                            <th class="text-end">Total Retail Value</th>
                            <th class="text-end">Potential Margin</th>
                        </tr>
                    </thead>
                    <tbody>
                        @foreach($products as $p)
                            @php
                                $costVal = $p->current_stock * $p->purchase_price;
                                $retailVal = $p->current_stock * $p->selling_price;
                                $margin = $retailVal - $costVal;
                            @endphp
                            <tr>
                                <td>
                                    <div class="fw-bold text-dark">{{ $p->name }}</div>
                                    <small class="text-muted">SKU: {{ $p->sku }}</small>
                                </td>
                                <td class="font-monospace small">{{ $p->hsn_code }}</td>
                                <td class="text-center">
                                    <span class="fw-bold {{ $p->is_low_stock ? 'text-danger' : 'text-dark' }}">
                                        {{ number_format($p->current_stock, 0) }}
                                    </span>
                                    <small class="text-muted">{{ $p->unit ? $p->unit->short_code : '' }}</small>
                                </td>
                                <td class="text-end text-muted">₹{{ number_format($p->purchase_price, 2) }}</td>
                                <td class="text-end fw-semibold text-success">₹{{ number_format($costVal, 2) }}</td>
                                <td class="text-end text-muted">₹{{ number_format($p->selling_price, 2) }}</td>
                                <td class="text-end fw-semibold text-primary">₹{{ number_format($retailVal, 2) }}</td>
                                <td class="text-end fw-bold text-dark">₹{{ number_format($margin, 2) }}</td>
                            </tr>
                        @endforeach
                    </tbody>
                    <tfoot class="table-light fw-bold">
                        <tr>
                            <td colspan="2">Total Valuation:</td>
                            <td class="text-center">{{ number_format($totalStockUnits, 0) }} Units</td>
                            <td></td>
                            <td class="text-end text-success">₹{{ number_format($totalCostValuation, 2) }}</td>
                            <td></td>
                            <td class="text-end text-primary">₹{{ number_format($totalRetailValuation, 2) }}</td>
                            <td class="text-end text-dark">₹{{ number_format($potentialProfit, 2) }}</td>
                        </tr>
                    </tfoot>
                </table>
            </div>
        </div>
    </div>

</div>
@endsection