@extends('layouts.app')
@section('title','#'.$sale->sale_number)
@section('page_title','Sale Details')
@section('content')
@php $hasDirectItemDiscounts = $sale->items->contains(fn ($item) => $item->directDiscountAmount() > 0); @endphp
@if($justCompleted)
<div class="sale-complete-banner">
    <div><strong>{{ $sale->isPaymentPending() ? 'Sale saved — Payment Pending' : 'Sale completed successfully' }}</strong><span>Invoice reference: #{{ $sale->sale_number }}@if($sale->isPaymentPending()) · Stock has been deducted; revenue waits for payment confirmation.@endif</span></div>
    <div class="heading-actions">
        @if($invoiceEnabled)
            <a class="btn btn-secondary" target="_blank" href="{{ route('sales.invoice',$sale) }}">View Invoice</a>
            <a class="btn" target="_blank" href="{{ route('sales.invoice.download',$sale) }}">Download PDF</a>
            @if($receiptEnabled)<a class="btn btn-secondary" target="_blank" href="{{ route('sales.receipt',$sale) }}">Print Receipt</a>@endif
        @endif
        <a class="btn btn-success" href="{{ route('pos.index') }}">New Sale</a>
    </div>
</div>
@endif

<div class="page-heading">
    <div><h2>#{{ $sale->sale_number }}</h2><div class="sale-status-pair"><span class="status-pill {{ $sale->isVoid()?'status-out-of-stock':($sale->isPartiallyReturned()?'status-warning':'status-active') }}">{{ $sale->isVoid()?'Void / Fully Returned':($sale->isPartiallyReturned()?'Partially Returned':'Completed') }}</span><span class="status-pill {{ $sale->isPaymentPending()?'status-warning':'status-active' }}">{{ $sale->paymentProgressLabel() }}</span></div></div>
    <div class="heading-actions">
        @if($invoiceEnabled)<a class="btn btn-secondary" target="_blank" href="{{ route('sales.invoice',$sale) }}">Invoice</a>@if($receiptEnabled)<a class="btn btn-secondary" target="_blank" href="{{ route('sales.receipt',$sale) }}">Receipt</a>@endif @endif
        <a class="btn btn-secondary" href="{{ route('sales.index') }}">Back to Sales</a>
    </div>
</div>
@if(session('status') && !$justCompleted)<div class="status-box">{{ session('status') }}</div>@endif
@if($errors->any())<div class="error-box">{{ $errors->first() }}</div>@endif

<div class="detail-grid sale-detail-top">
    <div class="sale-detail-primary-stack">
    <div class="card info-card">
        <h3>Sale Summary</h3>
        <div class="sale-summary-metrics">
            <div><span>Invoice</span><strong>#{{ $sale->sale_number }}</strong></div>
            <div><span>Date</span><strong>{{ $sale->completed_at?->format('d M Y, H:i') }}</strong></div>
            <div><span>Cashier</span><strong>{{ $sale->user?->name ?? '-' }}</strong></div>
            <div><span>Payment Status</span><strong>{{ $sale->paymentProgressLabel() }}</strong></div>
            @if($sale->isPaid() || $sale->hasPartialPayment())<div><span>Payment Method</span><strong>{{ $sale->paymentMethodLabel() }}</strong></div>@endif
            @if($sale->customer_name || $sale->customer_phone)<div><span>Customer</span><strong>{{ $sale->customer_name ?: 'Name not provided' }}@if($sale->customer_phone) · {{ $sale->customer_phone }}@endif</strong></div>@endif
            @if($sale->isPaid() && $sale->payment_confirmed_at)<div><span>Payment Confirmed</span><strong>{{ $sale->payment_confirmed_at->format('d M Y, H:i') }}@if($sale->paymentConfirmedBy) · {{ $sale->paymentConfirmedBy->displayName() }}@endif</strong></div>@endif
            <div><span>Products</span><strong>{{ $sale->items->count() }} line(s)</strong></div>
            <div><span>Subtotal</span><strong>TZS {{ tzs_amount($sale->subtotal) }}</strong></div>
            @if($sale->directItemDiscountTotal()>0)<div><span>Direct Item Discounts</span><strong>TZS {{ tzs_amount($sale->directItemDiscountTotal()) }}</strong></div>@endif
            <div><span>Overall Discount</span><strong>TZS {{ tzs_amount($sale->overallDiscountTotal()) }}</strong></div>
            <div><span>Sale Total</span><strong>TZS {{ tzs_amount($sale->total_amount) }}</strong></div>
            <div><span>Refunded</span><strong>TZS {{ tzs_amount($sale->refund_amount) }}</strong></div>
            <div><span>Amount Paid</span><strong>TZS {{ tzs_amount($sale->paidAmount()) }}</strong></div>
            @unless($sale->isVoid())<div><span>Balance Due</span><strong class="{{ $sale->balanceDue() > 0 ? 'text-warning' : '' }}">TZS {{ tzs_amount($sale->balanceDue()) }}</strong></div>@endunless
            <div class="sale-summary-highlight"><span>{{ $sale->isPaid() ? 'Net Sale' : 'Sale Amount' }}</span><strong>TZS {{ tzs_amount($sale->netTotal()) }}@if($sale->isPaymentPending()) · Not recognized yet @endif</strong></div>
            @unless(auth()->user()->isCashier())<div><span>{{ $sale->isPaid() ? 'Net Gross Profit' : 'Projected Gross Profit' }}</span><strong>TZS {{ tzs_amount($sale->netGrossProfit()) }}@if($sale->isPaymentPending()) · Not recognized yet @endif</strong></div>@endunless
            <div><span>Sync</span><strong>{{ ucwords(str_replace('_',' ',$sale->sync_status)) }}</strong></div>
            <div><span>Returns</span><strong>{{ $sale->returns->count() }} event(s)</strong></div>
            <div class="sale-summary-note"><span>Note</span><strong>{{ $sale->note ?: '—' }}</strong></div>
        </div>
    </div>

    @if($sale->isPaymentPending() && !$sale->isVoid() && in_array(auth()->user()->role,['owner','manager'],true))
        <form id="payment-collection" class="card payment-collection-card" method="POST" action="{{ route('sales.confirm-payment',$sale) }}" data-confirm="Record this payment against the sale? Stock will not change." data-dialog-title="Record payment" data-confirm-text="Record Payment">@csrf
            <div class="payment-collection-head">
                <div><span class="step-kicker">{{ $sale->hasPartialPayment() ? 'Partially Paid' : 'Payment Pending' }}</span><h3>Record Payment</h3><p>Enter only the amount received. The balance will remain pending until fully paid.</p></div>
                <div class="payment-balance-chip"><span>Remaining Balance</span><strong>TZS {{ tzs_amount($sale->balanceDue()) }}</strong></div>
            </div>
            <div class="payment-collection-grid">
                <div class="form-group"><label>Amount Received (TZS)</label><input name="amount" type="text" inputmode="numeric" data-money-input value="{{ old('amount') }}" placeholder="{{ tzs_amount($sale->balanceDue()) }}" required><small>Maximum: TZS {{ tzs_amount($sale->balanceDue()) }}</small></div>
                <div class="form-group"><label>Payment Method</label><select name="payment_method" required>@foreach($paymentMethods as $key=>$label)<option value="{{ $key }}" @selected(old('payment_method',$sale->payment_method)===$key)>{{ $label }}</option>@endforeach</select></div>
                <button class="btn btn-success payment-record-button" type="submit">Record Payment</button>
            </div>
            <details class="optional-field-disclosure payment-note-disclosure" @if(old('payment_note')) open @endif><summary><span><strong>Add payment note</strong><small>Optional reference or collection detail</small></span><b aria-hidden="true">+</b></summary><div class="optional-field-body form-group"><label>Payment Note</label><input name="payment_note" value="{{ old('payment_note') }}" maxlength="500" placeholder="Reference or short note"></div></details>
        </form>
    @endif
    </div>

    @if($sale->isVoid())
        <div class="card void-card"><h3>Void Information</h3><p><strong>Reason:</strong> {{ $sale->void_reason }}</p><p><strong>Voided by:</strong> {{ $sale->voidedBy?->name ?? '-' }}</p><p><strong>Voided at:</strong> {{ $sale->voided_at?->format('d M Y, H:i') }}</p></div>
    @elseif(in_array(auth()->user()->role,['owner','manager'],true))
        <details class="card action-disclosure sale-cancel-disclosure">
            <summary>
                <span><strong>Cancel Remaining Sale</strong><small>Open only when you need to cancel the remaining sale.</small></span>
                <b aria-hidden="true">+</b>
            </summary>
            <div class="action-disclosure-body">
                <form method="POST" action="{{ route('sales.void',$sale) }}" data-confirm="Cancel the remaining sale and restore its remaining shop stock?" data-dialog-title="Cancel remaining sale" data-dialog-danger="1" data-confirm-text="Cancel Sale">@csrf
                    <div class="form-group"><label>Cancellation Reason</label><textarea name="void_reason" required placeholder="Why is this sale being cancelled?"></textarea></div>
                    <button class="btn btn-danger" type="submit">Cancel Remaining Sale</button>
                </form>
            </div>
        </details>
    @endif
</div>

@if($sale->payments->isNotEmpty())
<div class="card payment-history-card">
    <div class="table-toolbar"><div><h3>Payment History</h3><p class="muted-small">Payments recorded against this sale.</p></div><span class="status-pill {{ $sale->balanceDue() > 0 ? 'status-warning' : 'status-active' }}">{{ $sale->balanceDue() > 0 ? 'Balance TZS '.tzs_amount($sale->balanceDue()) : 'Fully Paid' }}</span></div>
    <div class="payment-history-list">
        @foreach($sale->payments as $payment)
            <article class="payment-history-row"><span class="payment-history-icon">{{ $payment->source === \App\Models\SalePayment::SOURCE_INITIAL ? '✓' : '+' }}</span><div class="payment-history-main"><strong>TZS {{ tzs_amount($payment->amount) }}</strong><small><span>{{ $payment->paymentMethodLabel() }}</span><time>{{ $payment->received_at?->format('d M Y, H:i') }}</time></small>@if($payment->note && trim($payment->note) !== 'Payment received at checkout.')<p>{{ $payment->note }}</p>@endif</div><div class="payment-history-meta"><span>{{ $payment->source === \App\Models\SalePayment::SOURCE_INITIAL ? 'Initial payment' : 'Payment collected' }}</span><small>Recorded by {{ $payment->user?->displayName() ?? $sale->user?->displayName() ?? '-' }}</small></div></article>
        @endforeach
    </div>
</div>
@endif

<div class="card table-card sale-items-card">
    <div class="table-toolbar"><h3>Sale Items</h3></div>
    <div class="table-scroll desktop-record-table"><table class="data-table sale-items-table">
        <thead><tr><th>Product</th><th>Selling Type</th><th>Source</th><th>Quantity</th><th>Returned</th><th>Unit Price</th>@if($hasDirectItemDiscounts)<th>Item Discount</th>@endif<th>Total</th>@unless(auth()->user()->isCashier())<th>Profit</th>@endunless</tr></thead>
        <tbody>
        @foreach($sale->items as $item)
            <tr>
                <td><strong>{{ $item->product_name }}</strong>@if(!$item->product_id)<small>Manual outside item</small>@endif</td>
                <td>{{ $item->sellingTypeLabel() }}</td>
                <td>{{ ucwords(str_replace('_',' ',$item->source)) }}@if($item->source_shop_name)<small>From {{ $item->source_shop_name }}</small>@endif</td>
                <td>{{ number_format($item->quantity) }} {{ $item->unitName() }}</td>
                <td>{{ number_format($item->returnedQuantity()) }} / {{ number_format($item->quantity) }}</td>
                <td>TZS {{ tzs_amount($item->unit_price) }} / {{ $item->unit_singular }}</td>
                @if($hasDirectItemDiscounts)<td>{{ $item->directDiscountAmount() > 0 ? 'TZS '.tzs_amount($item->directDiscountAmount()) : '—' }}</td>@endif
                <td><strong>TZS {{ tzs_amount($item->total_price) }}</strong></td>
                @unless(auth()->user()->isCashier())<td>TZS {{ tzs_amount($item->profit) }}</td>@endunless
            </tr>
        @endforeach
        </tbody>
    </table></div>
    <div class="mobile-record-list sale-item-mobile-list">
        @foreach($sale->items as $item)
            <article class="mobile-record-card mobile-data-card"><div class="mobile-data-visual mobile-data-visual--product">{{ strtoupper(substr($item->product_name,0,1)) }}</div><div class="mobile-data-head"><div><h3>{{ $item->product_name }}</h3><small>{{ $item->sellingTypeLabel() }} · {{ ucwords(str_replace('_',' ',$item->source)) }}@if($item->source_shop_name) · From {{ $item->source_shop_name }}@endif</small></div></div><div class="mobile-data-body"><div class="mobile-data-keyline"><span>{{ number_format($item->quantity) }} {{ $item->unitName() }}</span><strong>TZS {{ tzs_amount($item->total_price) }}</strong></div><div class="mobile-data-support"><span>TZS {{ tzs_amount($item->unit_price) }} / {{ $item->unit_singular }}</span>@if($item->directDiscountAmount() > 0)<span>Item discount: TZS {{ tzs_amount($item->directDiscountAmount()) }}</span>@endif @if($item->returnedQuantity() > 0)<span>Returned: {{ number_format($item->returnedQuantity()) }}</span>@endif</div></div>@unless(auth()->user()->isCashier())<div class="mobile-data-actions"><details class="mobile-more-menu"><summary title="More item details" aria-label="More details for {{ $item->product_name }}">•••</summary><div><span class="mobile-menu-note">Profit: TZS {{ tzs_amount($item->profit) }}</span></div></details></div>@endunless</article>
        @endforeach
    </div>
</div>

@if($returnItemsEnabled && !$sale->isVoid() && in_array(auth()->user()->role,['owner','manager'],true))
<details class="card action-disclosure return-items-disclosure">
    <summary>
        <span><strong>Return Items</strong><small>Choose products and quantities only when a customer brings items back.</small></span>
        <b aria-hidden="true">+</b>
    </summary>
    <div class="action-disclosure-body">
        <form class="return-items-form" method="POST" action="{{ route('sales.returns.store',$sale) }}" data-confirm="Return the selected quantities, record the refund and restore shop stock?" data-dialog-title="Confirm return" data-confirm-text="Complete Return">@csrf
            <div class="return-item-list">
            @foreach($sale->items as $item)
                @if($item->returnableQuantity() > 0)
                <div class="return-item-row">
                    <div><strong>{{ $item->product_name }}</strong><small>{{ $item->sellingTypeLabel() }} · {{ $item->returnableQuantity() }} {{ $item->returnableQuantity()===1?$item->unit_singular:$item->unit_plural }} returnable</small></div>
                    <div class="form-group"><label>Return Quantity</label><input type="number" name="quantities[{{ $item->id }}]" min="0" max="{{ $item->returnableQuantity() }}" step="1" value="0"></div>
                </div>
                @endif
            @endforeach
            </div>
            <div class="return-form-footer"><div class="form-group"><label>Return Reason</label><textarea name="reason" required placeholder="Example: Damaged item or customer returned the wrong product"></textarea></div><button class="btn btn-danger" type="submit">Confirm Item Return</button></div>
        </form>
    </div>
</details>
@endif

@if($sale->returns->isNotEmpty())
<section class="card return-history-card"><div class="table-toolbar"><h3>Return History</h3></div><div class="return-history-list">
@foreach($sale->returns->sortByDesc('created_at') as $return)
    <article><div><strong>TZS {{ tzs_amount($return->refund_amount) }} refunded</strong><span>{{ $return->created_at->format('d M Y, H:i') }} · {{ $return->user?->name ?? 'Unknown user' }}</span></div><p>{{ $return->reason }}</p><small>@foreach($return->items as $returnItem){{ $returnItem->saleItem?->product_name }}: {{ $returnItem->quantity }} {{ $returnItem->quantity===1?$returnItem->saleItem?->unit_singular:$returnItem->saleItem?->unit_plural }}@if(!$loop->last), @endif @endforeach</small></article>
@endforeach
</div></section>
@endif
@endsection