@extends('layouts.app')

@section('title', 'Edit Invoice #'.optional($invoice)->invoice_number)

@section('breadcrumbs')
<nav aria-label="breadcrumb">
    <ol class="breadcrumb">
        <li class="breadcrumb-item"><a href="{{ route('export.dashboard') }}">Export</a></li>
        <li class="breadcrumb-item"><a href="{{ route('export.commercial-invoices.index') }}">Commercial Invoices</a></li>
        <li class="breadcrumb-item"><a href="{{ route('export.commercial-invoices.show', $invoice) }}">{{ $invoice->invoice_number }}</a></li>
        <li class="breadcrumb-item active">Edit</li>
    </ol>
</nav>
@endsection

@section('content')
<div class="d-flex justify-content-between align-items-center mb-4">
    <div><h1 class="h3 mb-1 text-dark fw-semibold">Edit {{ $invoice->invoice_number }}</h1></div>
    <a href="{{ route('export.commercial-invoices.show', $invoice) }}" class="btn btn-outline-secondary"><i class="bi bi-arrow-left me-1"></i> Back</a>
</div>

<form action="{{ route('export.commercial-invoices.update', $invoice) }}" method="POST">
    @csrf @method('PUT')
    <div class="card border-0 shadow-sm mb-4">
        <div class="card-header bg-white py-3"><h5 class="mb-0 fw-semibold"><i class="bi bi-info-circle me-2 text-primary"></i>Invoice Details</h5></div>
        <div class="card-body">
            <div class="row g-3">
                <div class="col-md-3"><label class="form-label fw-medium">Date</label><input type="date" name="date" class="form-control" value="{{ $invoice->date?->format('Y-m-d') }}"></div>
                <div class="col-md-3"><label class="form-label fw-medium">Buyer</label><select name="buyer_id" class="form-select"><option value="">Select</option>@foreach($customers as $c)<option value="{{ $c->id }}" {{ $invoice->buyer_id == $c->id ? 'selected' : '' }}>{{ $c->name }}</option>@endforeach</select></div>
                <div class="col-md-3"><label class="form-label fw-medium">Currency</label><select name="currency" class="form-select">@foreach(['USD','EUR','GBP','INR'] as $c)<option value="{{ $c }}" {{ $invoice->currency == $c ? 'selected' : '' }}>{{ $c }}</option>@endforeach</select></div>
                <div class="col-md-3"><label class="form-label fw-medium">Payment Terms</label><select name="payment_terms" class="form-select">@foreach(['TT Advance','TT Against Documents','LC At Sight','DP'] as $t)<option value="{{ $t }}" {{ $invoice->payment_terms == $t ? 'selected' : '' }}>{{ $t }}</option>@endforeach</select></div>
            </div>
        </div>
    </div>

    <div class="card border-0 shadow-sm mb-4">
        <div class="card-header bg-white py-3 d-flex justify-content-between"><h5 class="mb-0 fw-semibold">Line Items</h5><button type="button" class="btn btn-sm btn-outline-primary" id="addCIItem"><i class="bi bi-plus-lg me-1"></i>Add</button></div>
        <div class="card-body p-0">
            <div class="table-responsive">
                <table class="table table-hover align-middle mb-0">
                    <thead class="bg-light"><tr><th class="px-3 py-2 fw-semibold text-muted small" style="width:22%">Product</th><th class="px-3 py-2 fw-semibold text-muted small">Description</th><th class="px-3 py-2 fw-semibold text-muted small text-end" style="width:10%">Qty</th><th class="px-3 py-2 fw-semibold text-muted small" style="width:7%">Unit</th><th class="px-3 py-2 fw-semibold text-muted small text-end" style="width:12%">Unit Price</th><th class="px-3 py-2 fw-semibold text-muted small text-end" style="width:12%">Amount</th><th class="px-3 py-2 fw-semibold text-muted small text-center" style="width:5%"></th></tr></thead>
                    <tbody id="ciItemsBody">
                        @forelse($invoice->items as $i => $item)
                        <tr class="item-row"><td class="px-3"><select name="items[{{ $i }}][product_id]" class="form-select form-select-sm ci-product"><option value="">Select</option>@foreach($products ?? [] as $p)<option value="{{ $p->id }}" {{ ($item->product_id ?? '') == $p->id ? 'selected' : '' }}>{{ $p->name }}</option>@endforeach</select></td><td class="px-3"><input type="text" name="items[{{ $i }}][description]" class="form-control form-control-sm" value="{{ $item->description ?? '' }}"></td><td class="px-3"><input type="number" step="0.01" name="items[{{ $i }}][quantity]" class="form-control form-control-sm text-end ci-qty" value="{{ $item->quantity ?? '' }}"></td><td class="px-3"><select name="items[{{ $i }}][unit]" class="form-select form-select-sm">@foreach(['MT','KG','PCS'] as $u)<option value="{{ $u }}" {{ ($item->unit ?? 'MT') == $u ? 'selected' : '' }}>{{ $u }}</option>@endforeach</select></td><td class="px-3"><input type="number" step="0.01" name="items[{{ $i }}][unit_price]" class="form-control form-control-sm text-end ci-price" value="{{ $item->unit_price ?? '' }}"></td><td class="px-3 text-end fw-medium ci-line-total">{{ number_format(($item->quantity ?? 0) * ($item->unit_price ?? 0), 2) }}</td><td class="px-3 text-center"><button type="button" class="btn btn-sm btn-outline-danger ci-remove"><i class="bi bi-trash"></i></button></td></tr>
                        @empty<tr class="empty-row" id="ciEmpty"><td colspan="7" class="text-center py-4 text-muted">Add items</td></tr>@endforelse
                    </tbody>
                </table>
            </div>
        </div>
    </div>

    <div class="d-flex justify-content-end gap-2 mb-5">
        <a href="{{ route('export.commercial-invoices.show', $invoice) }}" class="btn btn-outline-secondary">Cancel</a>
        <button type="submit" class="btn btn-primary"><i class="bi bi-check-lg me-1"></i> Update</button>
    </div>
</form>
@endsection