@extends('admin.layouts.inventory')

@section('title', $dispatch->document_number)

@section('content')
@php
    $statusValue = $dispatch->status?->value ?? $dispatch->status;
    $useAverageGst = (bool) $dispatch->use_average_gst;
    $lineTotal = fn ($line) => $line->unit_price !== null ? (float) $line->qty * (float) $line->unit_price : null;
    $grandSubtotal = $dispatch->lines->sum(fn ($line) => $lineTotal($line) ?? 0);
    $grandTax = $useAverageGst
        ? (float) ($dispatch->average_gst_amount ?? 0)
        : $dispatch->lines->sum(fn ($line) => (float) ($line->tax_amount ?? 0));
    $grandTotal = $grandSubtotal + $grandTax;
    $hasPricing = $dispatch->lines->contains(fn ($line) => $line->unit_price !== null);
    $hasTax = $useAverageGst || $dispatch->lines->contains(fn ($line) => $line->tax_id || $line->tax_amount);
    $showLineTax = $hasTax && ! $useAverageGst;
@endphp

<div class="document-show">
    @include('admin.inventory.partials.document_show_header', [
        'title' => $dispatch->document_number,
        'subtitle' => 'Site dispatch',
        'back' => route('admin.inventory.dispatches.index'),
        'backLabel' => 'Back to list',
        'status' => $dispatch->status,
        'actions' => $statusValue === 'draft'
            ? '<a href="'.route('admin.inventory.dispatches.edit', $dispatch).'" class="btn btn-secondary">Edit</a>'
            : ($statusValue === 'completed'
                ? '<a href="'.route('admin.inventory.dispatches.pdf', $dispatch).'" class="btn btn-secondary">Download PDF</a>'
                : null),
    ])

    <div class="box doc-meta-card">
        <div class="doc-meta-grid">
            <div class="doc-meta-item">
                <span class="doc-meta-label">Destination project</span>
                <span class="doc-meta-value">
                    {{ $dispatch->project?->customer_name ?? '—' }}
                    @if ($dispatch->project?->assignedUser?->name)
                        ({{ $dispatch->project->assignedUser->name }})
                    @endif
                </span>
            </div>
            <div class="doc-meta-item">
                <span class="doc-meta-label">Revision</span>
                <span class="doc-meta-value">{{ $dispatch->projectRevision?->document_number ?? '—' }}</span>
            </div>
            <div class="doc-meta-item">
                <span class="doc-meta-label">Source warehouse</span>
                <span class="doc-meta-value">{{ $dispatch->sourceWarehouse?->name ?? '—' }}</span>
            </div>
            <div class="doc-meta-item">
                <span class="doc-meta-label">Transaction date</span>
                <span class="doc-meta-value">{{ $dispatch->transaction_date?->format('d M Y') ?? '—' }}</span>
            </div>
            <div class="doc-meta-item">
                <span class="doc-meta-label">Effective date</span>
                <span class="doc-meta-value">{{ $dispatch->effective_date?->format('d M Y') ?? '—' }}</span>
            </div>
            @if ($useAverageGst)
                <div class="doc-meta-item">
                    <span class="doc-meta-label">GST method</span>
                    <span class="doc-meta-value">Average GST ({{ number_format((float) $dispatch->average_gst_rate, 2) }}%)</span>
                </div>
            @endif
        </div>

        @if ($dispatch->remarks)
            <div class="doc-remarks">
                <span class="doc-meta-label">Remarks</span>
                <p>{{ $dispatch->remarks }}</p>
            </div>
        @endif
    </div>

    <div class="box doc-section">
        <div class="doc-section-header">
            <h3>Line items</h3>
            <span class="muted">{{ $dispatch->lines->count() }} {{ str('item')->plural($dispatch->lines->count()) }}</span>
        </div>

        @if ($dispatch->lines->isEmpty())
            <p class="empty">No line items on this dispatch.</p>
        @else
            <div class="table-wrap">
                <table class="doc-lines-table">
                    <thead>
                        <tr>
                            <th>#</th>
                            <th>SKU / Item</th>
                            <th>Batch</th>
                            <th class="num">Qty</th>
                            <th>Unit</th>
                            @if ($hasPricing)
                                <th class="num">Unit price</th>
                                @if ($showLineTax)
                                    <th>GST / Tax</th>
                                    <th class="num">Tax amount</th>
                                @endif
                                <th class="num">Line total</th>
                            @endif
                        </tr>
                    </thead>
                    <tbody>
                        @foreach ($dispatch->lines as $line)
                            @php
                                $item = $line->sku?->variant?->item;
                                $total = $lineTotal($line);
                            @endphp
                            <tr>
                                <td class="col-line-no">{{ $line->line_number }}</td>
                                <td>
                                    <div class="sku-cell-main"><code>{{ $line->sku?->sku_code }}</code></div>
                                    @if ($item)
                                        <div class="sku-cell-sub">
                                            {{ $item->name }}
                                            @if ($line->sku?->variant?->variant)
                                                — {{ $line->sku->variant->variant }}
                                            @endif
                                        </div>
                                    @endif
                                </td>
                                <td>
                                    @if ($line->batch)
                                        <code>{{ $line->batch->batch_no ?: 'Batch #'.$line->batch->id }}</code>
                                    @else
                                        —
                                    @endif
                                </td>
                                <td class="num">@qty($line->qty)</td>
                                <td>{{ $line->unit?->symbol ?? $line->unit?->name ?? '—' }}</td>
                                @if ($hasPricing)
                                    <td class="num">{{ $line->unit_price !== null ? number_format((float) $line->unit_price, 2) : '—' }}</td>
                                    @if ($showLineTax)
                                        <td>
                                            @if ($line->tax)
                                                {{ $line->tax->name }} ({{ $line->tax->rate }}%)
                                            @else
                                                —
                                            @endif
                                        </td>
                                        <td class="num">{{ $line->tax_amount !== null ? number_format((float) $line->tax_amount, 2) : '—' }}</td>
                                    @endif
                                    <td class="num">{{ $total !== null ? number_format($total, 2) : '—' }}</td>
                                @endif
                            </tr>
                        @endforeach
                    </tbody>
                </table>
            </div>

            @if ($hasPricing && ($grandSubtotal > 0 || $grandTax > 0))
                <div class="doc-totals">
                    <div class="doc-totals-panel">
                        <div class="doc-total-row">
                            <span class="doc-total-label">Subtotal (taxable)</span>
                            <span class="doc-total-amount">₹{{ number_format($grandSubtotal, 2) }}</span>
                        </div>
                        @if ($hasTax && $grandTax > 0)
                            <div class="doc-total-row">
                                <span class="doc-total-label">
                                    @if ($useAverageGst)
                                        Average GST
                                        <span class="doc-total-rate">{{ number_format((float) $dispatch->average_gst_rate, 2) }}%</span>
                                    @else
                                        GST / Tax
                                    @endif
                                </span>
                                <span class="doc-total-amount">₹{{ number_format($grandTax, 2) }}</span>
                            </div>
                        @endif
                        <div class="doc-total-row doc-total-row-grand">
                            <span class="doc-total-label">Grand total</span>
                            <span class="doc-total-amount">₹{{ number_format($grandTotal, 2) }}</span>
                        </div>
                    </div>
                </div>
            @endif
        @endif
    </div>

    @if ($statusValue === 'draft')
        <div class="box doc-actions-bar">
            <p class="muted doc-actions-hint">Completing this dispatch moves stock from the warehouse to the project site and locks the document.</p>
            <div class="actions">
                <a href="{{ route('admin.inventory.dispatches.edit', $dispatch) }}" class="btn btn-secondary">Edit</a>
                <form method="post" action="{{ route('admin.inventory.dispatches.complete', $dispatch) }}" class="inline-form">
                    @csrf
                    <button type="submit" class="btn">Complete dispatch</button>
                </form>
            </div>
        </div>
    @endif

    <div class="doc-attachments">
        @include('admin.inventory.partials.attachments', [
            'documentType' => $attachmentDocumentType ?? 'site_dispatch',
            'documentId' => $dispatch->id,
            'documentStatus' => $statusValue,
        ])
    </div>
</div>
@endsection