@extends('admin.layout')

@section('title', $product->type === 'link_invite' ? 'Tambah Link Berkapasitas' : 'Tambah Stok')

@section('content')
<div class="admin-stock-page">
    <section class="admin-section-header">
        <div>
            <a href="{{ route('admin.stock.index', array_filter(['product' => $product, 'variant' => $selectedVariant?->public_id])) }}" class="admin-order-back-link">← Kembali ke Stok</a>
            <span class="admin-page-eyebrow">{{ $product->type === 'link_invite' ? 'Capacity Stock' : 'Inventory Input' }}</span>
            <h1 class="admin-section-title font-display">
                {{ $product->type === 'link_invite' ? 'Tambah Link' : 'Tambah Stok' }}
                <a href="{{ route('admin.products.show', $product) }}" class="admin-heading-entity-link">{{ $product->name }}</a>
            </h1>
            <p class="admin-section-description">
                {{ $product->type === 'link_invite'
                    ? 'Satu link dapat dikirim berulang sesuai jumlah slot yang ditentukan.'
                    : 'Masukkan satu unit stok atau impor banyak stok sekaligus.' }}
            </p>
        </div>
    </section>

    @if ($product->hasVariants())
        <form method="GET" action="{{ route('admin.stock.create', $product) }}" class="admin-stock-variant-picker">
            <label for="stock-variant-create">Variant stok</label>
            <select id="stock-variant-create" name="variant" class="admin-form-control" onchange="this.form.submit()">
                @foreach ($product->variants as $variant)
                    <option value="{{ $variant->public_id }}" @selected($selectedVariant?->is($variant))>
                        {{ $variant->name }} — Rp {{ number_format($variant->price, 0, ',', '.') }}
                    </option>
                @endforeach
            </select>
        </form>
    @endif

    @if ($product->type === 'link_invite')
        <form method="POST" action="{{ route('admin.stock.store', $product) }}" class="admin-form-panel admin-stock-form-panel">
            @csrf
            @if ($selectedVariant)<input type="hidden" name="product_variant_public_id" value="{{ $selectedVariant->public_id }}">@endif
            <header class="admin-form-panel-header">
                <div><span class="admin-panel-eyebrow">Initial Capacity</span><h2 class="admin-panel-title font-display">Link dan Kapasitas Awal</h2></div>
            </header>
            <div class="admin-form-panel-body">
                @foreach (($product->delivery_schema ?: ['link']) as $field)
                    <div class="admin-form-group">
                        <label class="admin-form-label">{{ ucwords(str_replace('_', ' ', $field)) }}</label>
                        <input name="payload[{{ $field }}]" value="{{ old('payload.' . $field) }}" required class="admin-form-control font-figures" placeholder="https://...">
                    </div>
                @endforeach
                <div class="admin-form-group">
                    <label class="admin-form-label">Kapasitas Awal</label>
                    <input type="number" min="1" max="1000000" name="capacity_total" value="{{ old('capacity_total') }}" required class="admin-form-control font-figures" placeholder="Contoh: 50">
                    <small class="admin-form-help">Angka ini menjadi live stock count di storefront.</small>
                </div>
                <div class="admin-stock-form-actions"><button class="admin-button admin-button-primary" type="submit">Simpan Link</button></div>
            </div>
        </form>
    @else
        <section class="admin-stock-mode-tabs" role="tablist" aria-label="Mode tambah stok">
            <button type="button" data-stock-tab="single" class="admin-stock-tab is-active">Satuan</button>
            <button type="button" data-stock-tab="batch" class="admin-stock-tab">Batch</button>
        </section>

        <div data-stock-panel="single">
            <form method="POST" action="{{ route('admin.stock.store', $product) }}" class="admin-form-panel admin-stock-form-panel">
                @csrf
                @if ($selectedVariant)<input type="hidden" name="product_variant_public_id" value="{{ $selectedVariant->public_id }}">@endif
                <input type="hidden" name="mode" value="single">
                <header class="admin-form-panel-header"><div><span class="admin-panel-eyebrow">Single Entry</span><h2 class="admin-panel-title font-display">Tambah Satu Unit</h2></div></header>
                <div class="admin-form-panel-body">
                    <div class="admin-stock-schema-note"><span>Field stok</span><strong>{{ implode(', ', $product->delivery_schema) }}</strong></div>
                    @foreach ($product->delivery_schema as $field)
                        <div class="admin-form-group">
                            <label class="admin-form-label" for="payload-{{ $loop->index }}">{{ ucwords(str_replace('_', ' ', $field)) }} <span>*</span></label>
                            <input id="payload-{{ $loop->index }}" name="payload[{{ $field }}]" value="{{ old('payload.' . $field) }}" required autocomplete="off" class="admin-form-control font-figures" placeholder="Masukkan {{ strtolower(str_replace('_', ' ', $field)) }}">
                            @error('payload.' . $field)<p class="admin-form-error">{{ $message }}</p>@enderror
                        </div>
                    @endforeach
                    <div class="admin-stock-form-actions"><button type="submit" class="admin-button admin-button-primary">Simpan Stok</button></div>
                </div>
            </form>
        </div>

        <div data-stock-panel="batch" class="hidden">
            <form method="POST" action="{{ route('admin.stock.store', $product) }}" enctype="multipart/form-data" class="admin-form-panel admin-stock-form-panel">
                @csrf
                @if ($selectedVariant)<input type="hidden" name="product_variant_public_id" value="{{ $selectedVariant->public_id }}">@endif
                <input type="hidden" name="mode" value="batch">
                <header class="admin-form-panel-header"><div><span class="admin-panel-eyebrow">Bulk Import</span><h2 class="admin-panel-title font-display">Tambah Banyak Stok</h2></div></header>
                <div class="admin-form-panel-body">
                    <div class="admin-stock-batch-guide">
                        <span class="admin-stock-batch-guide-title">Format Data</span>
                        <p>Urutan field: <strong>{{ implode(', ', $product->delivery_schema) }}</strong>. Setiap baris dianggap sebagai satu unit stok.</p>
                        <div class="admin-stock-code-example font-figures">
                            @if (count($product->delivery_schema) > 1)
                                <code>{{ implode(',', $product->delivery_schema) }}</code><code>user1@mail.com,pass123</code><code>user2@mail.com,pass456</code>
                            @else
                                <code>{{ $product->delivery_schema[0] ?? 'field' }}</code><code>KODE-ABC123</code><code>KODE-DEF456</code>
                            @endif
                        </div>
                    </div>
                    <div class="admin-form-group">
                        <label class="admin-form-label" for="batch-text">Tempel Daftar Stok</label>
                        <textarea id="batch-text" name="batch_text" rows="10" class="admin-form-control admin-form-textarea admin-stock-batch-textarea font-figures" placeholder="{{ count($product->delivery_schema) > 1 ? implode(',', $product->delivery_schema) : ($product->delivery_schema[0] ?? '') }}">{{ old('batch_text') }}</textarea>
                        <p class="admin-form-help">Satu baris sama dengan satu unit stok.</p>
                    </div>
                    <div class="admin-form-group">
                        <label class="admin-form-label" for="batch-file">Upload File TXT</label>
                        <input id="batch-file" type="file" name="batch_file" accept=".txt" class="admin-stock-file-input">
                        <p class="admin-form-help">Format file sama seperti textarea. Jika keduanya diisi, seluruh data akan digabung.</p>
                    </div>
                    <div class="admin-stock-form-actions"><button type="submit" class="admin-button admin-button-primary">Proses Batch</button></div>
                </div>
            </form>
        </div>
    @endif
</div>
@endsection