@extends('layouts.admin')
@section('title','Transfers')
@section('content')
@php
  $columns = [
    'transfer' => 'Transfer',
    'route' => 'Route',
    'units' => 'Units',
    'progress' => 'Progress',
    'status' => 'Status',
    'created' => 'Created',
    'actions' => 'Actions',
  ];
  $label = fn (string $v) => ucwords(str_replace(['_', '-'], ' ', $v));
  $statusTone = fn (string $s) => match ($s) {
      'draft' => 'muted',
      'in_transit' => 'info',
      'partial' => 'warning',
      'received' => 'success',
      'canceled' => 'danger',
      default => 'muted',
  };
  $activeChips = collect([
      'status' => request('status'),
      'from_location_id' => request('from_location_id') ? ($locations->firstWhere('id', (int) request('from_location_id'))?->code) : null,
      'to_location_id' => request('to_location_id') ? ($locations->firstWhere('id', (int) request('to_location_id'))?->code) : null,
      'sort' => request('sort') && request('sort') !== 'newest' ? request('sort') : null,
  ])->filter();
@endphp

<x-admin.page
    title="Transfers"
    subtitle="Inter-warehouse command center — draft moves, ship to incoming, receive into available, and audit every lane."
>
    <x-slot:actions>
        <a href="{{ route('admin.inventory.index') }}" class="admin-btn">
            <i data-lucide="warehouse" class="h-3.5 w-3.5"></i>
            Inventory
        </a>
        <a href="{{ route('admin.transfers.export', request()->query()) }}" class="admin-btn">
            <i data-lucide="download" class="h-3.5 w-3.5"></i>
            Export CSV
        </a>
        <a href="{{ route('admin.transfers.create') }}" class="admin-btn admin-btn-primary">
            <i data-lucide="plus" class="h-3.5 w-3.5"></i>
            New transfer
        </a>
    </x-slot:actions>

    <div class="order-ops-stat-rail mb-5">
        <a href="{{ route('admin.transfers.index', ['status' => 'open']) }}" class="order-ops-stat {{ request('status') === 'open' ? 'is-active' : '' }}">
            <span class="order-ops-stat-label">Open pipeline</span>
            <span class="order-ops-stat-value">{{ number_format($stats['draft'] + $stats['in_transit'] + $stats['partial']) }}</span>
            <span class="order-ops-stat-meta">{{ number_format($stats['total']) }} all time</span>
        </a>
        <a href="{{ route('admin.transfers.index', ['status' => 'draft']) }}" class="order-ops-stat {{ request('status') === 'draft' ? 'is-active' : '' }}">
            <span class="order-ops-stat-label">Draft</span>
            <span class="order-ops-stat-value">{{ number_format($stats['draft']) }}</span>
            <span class="order-ops-stat-meta">Ready to pick &amp; ship</span>
        </a>
        <a href="{{ route('admin.transfers.index', ['status' => 'in_transit']) }}" class="order-ops-stat {{ request('status') === 'in_transit' ? 'is-active' : '' }}">
            <span class="order-ops-stat-label">In transit</span>
            <span class="order-ops-stat-value">{{ number_format($stats['in_transit']) }}</span>
            <span class="order-ops-stat-meta">{{ number_format($stats['units_in_flight']) }} units incoming</span>
        </a>
        <a href="{{ route('admin.transfers.index', ['status' => 'partial']) }}" class="order-ops-stat {{ request('status') === 'partial' ? 'is-active tone-warning' : 'tone-warning' }}">
            <span class="order-ops-stat-label">Partial</span>
            <span class="order-ops-stat-value">{{ number_format($stats['partial']) }}</span>
            <span class="order-ops-stat-meta">Split receipts</span>
        </a>
        <a href="{{ route('admin.transfers.index', ['status' => 'received']) }}" class="order-ops-stat {{ request('status') === 'received' ? 'is-active' : '' }}">
            <span class="order-ops-stat-label">Received</span>
            <span class="order-ops-stat-value">{{ number_format($stats['received']) }}</span>
            <span class="order-ops-stat-meta">Closed into available</span>
        </a>
    </div>

    <div class="order-ops-quick-filters mb-4">
        @foreach([
            ['label' => 'All', 'params' => []],
            ['label' => 'Open', 'params' => ['status' => 'open']],
            ['label' => 'Draft', 'params' => ['status' => 'draft']],
            ['label' => 'In transit', 'params' => ['status' => 'in_transit']],
            ['label' => 'Partial', 'params' => ['status' => 'partial']],
            ['label' => 'Received', 'params' => ['status' => 'received']],
            ['label' => 'Canceled', 'params' => ['status' => 'canceled']],
        ] as $chip)
            @php $isActive = empty($chip['params']) ? ! request('status') : request('status') === ($chip['params']['status'] ?? null); @endphp
            <a href="{{ route('admin.transfers.index', $chip['params']) }}" class="order-ops-chip {{ $isActive ? 'is-active' : '' }}">{{ $chip['label'] }}</a>
        @endforeach
    </div>

    @if($activeChips->isNotEmpty())
        <div class="mb-4 flex flex-wrap items-center gap-2">
            <span class="text-xs font-semibold uppercase tracking-wide text-[#8c9196]">Active</span>
            @foreach($activeChips as $key => $value)
                <span class="order-ops-chip is-active">{{ $label($key) }}: {{ $label((string) $value) }}</span>
            @endforeach
            <a href="{{ route('admin.transfers.index') }}" class="text-xs font-medium text-[#2c6ecb] hover:underline">Clear all</a>
        </div>
    @endif

    <x-admin.advanced-table
        id="transfers"
        :search-url="route('admin.transfers.index')"
        search-placeholder="Search number, SKU, product, location…"
        :columns="$columns"
        :filters-open="$activeChips->isNotEmpty()"
    >
        <x-slot:filters>
            <div class="admin-select-field">
                <label class="admin-label" for="filter-status">Status</label>
                <div class="admin-select-wrap">
                    <select id="filter-status" name="status" form="transfers-filter" class="admin-select" onchange="document.getElementById('transfers-filter').submit()">
                        <option value="">Any</option>
                        @foreach(['open','draft','in_transit','partial','received','canceled'] as $status)
                            <option value="{{ $status }}" @selected(request('status') === $status)>{{ $label($status) }}</option>
                        @endforeach
                    </select>
                    <i data-lucide="chevron-down" class="admin-select-chevron"></i>
                </div>
            </div>
            <div class="admin-select-field">
                <label class="admin-label" for="filter-from">From</label>
                <div class="admin-select-wrap">
                    <select id="filter-from" name="from_location_id" form="transfers-filter" class="admin-select" onchange="document.getElementById('transfers-filter').submit()">
                        <option value="">Any origin</option>
                        @foreach($locations as $location)
                            <option value="{{ $location->id }}" @selected((int) request('from_location_id') === $location->id)>{{ $location->name }}</option>
                        @endforeach
                    </select>
                    <i data-lucide="chevron-down" class="admin-select-chevron"></i>
                </div>
            </div>
            <div class="admin-select-field">
                <label class="admin-label" for="filter-to">To</label>
                <div class="admin-select-wrap">
                    <select id="filter-to" name="to_location_id" form="transfers-filter" class="admin-select" onchange="document.getElementById('transfers-filter').submit()">
                        <option value="">Any destination</option>
                        @foreach($locations as $location)
                            <option value="{{ $location->id }}" @selected((int) request('to_location_id') === $location->id)>{{ $location->name }}</option>
                        @endforeach
                    </select>
                    <i data-lucide="chevron-down" class="admin-select-chevron"></i>
                </div>
            </div>
            <div class="admin-select-field">
                <label class="admin-label" for="filter-sort">Sort</label>
                <div class="admin-select-wrap">
                    <select id="filter-sort" name="sort" form="transfers-filter" class="admin-select" onchange="document.getElementById('transfers-filter').submit()">
                        <option value="newest" @selected(request('sort', 'newest') === 'newest')>Newest</option>
                        <option value="oldest" @selected(request('sort') === 'oldest')>Oldest</option>
                        <option value="number" @selected(request('sort') === 'number')>Number</option>
                    </select>
                    <i data-lucide="chevron-down" class="admin-select-chevron"></i>
                </div>
            </div>
            <div class="flex items-end">
                <a href="{{ route('admin.transfers.index') }}" class="admin-btn w-full justify-center">
                    <i data-lucide="x" class="h-3.5 w-3.5"></i> Clear
                </a>
            </div>
        </x-slot:filters>

        <x-slot:bulk>
            <span class="text-xs text-[#6d7175]">Cancel selected draft transfers.</span>
            <input type="hidden" name="action" form="transfers-bulk-form" value="cancel">
            <button type="submit" form="transfers-bulk-form" class="admin-btn">Cancel drafts</button>
        </x-slot:bulk>

        <thead>
            <tr>
                <th class="w-10"><input type="checkbox" data-transfers-check-all aria-label="Select all"></th>
                <th data-col="transfer">Transfer</th>
                <th data-col="route">Route</th>
                <th data-col="units">Units</th>
                <th data-col="progress">Progress</th>
                <th data-col="status">Status</th>
                <th data-col="created">Created</th>
                <th data-col="actions"></th>
            </tr>
        </thead>
        <tbody>
            @forelse($transfers as $transfer)
                @php
                    $requested = (int) $transfer->units_requested;
                    $received = (int) $transfer->units_received;
                    $pct = $requested > 0 ? (int) round(($received / $requested) * 100) : 0;
                @endphp
                <tr>
                    <td>
                        <input type="checkbox" name="ids[]" value="{{ $transfer->id }}" form="transfers-bulk-form" data-transfers-row>
                    </td>
                    <td data-col="transfer">
                        <div class="font-medium text-[#202223]">{{ $transfer->number }}</div>
                        <div class="text-xs text-[#8c9196]">{{ $transfer->lines_count }} line{{ $transfer->lines_count === 1 ? '' : 's' }} · {{ $transfer->shipments_count }} shipment{{ $transfer->shipments_count === 1 ? '' : 's' }}</div>
                    </td>
                    <td data-col="route">
                        <div class="font-medium">{{ $transfer->fromLocation?->code }} → {{ $transfer->toLocation?->code }}</div>
                        <div class="text-xs text-[#8c9196]">{{ $transfer->fromLocation?->name }} to {{ $transfer->toLocation?->name }}</div>
                    </td>
                    <td data-col="units" class="tabular-nums text-sm">
                        <div>{{ number_format($received) }} / {{ number_format($requested) }} received</div>
                        <div class="text-xs text-[#8c9196]">{{ number_format((int) $transfer->units_shipped) }} shipped</div>
                    </td>
                    <td data-col="progress">
                        <div class="h-1.5 w-28 overflow-hidden rounded-full bg-[#e4e5e7]">
                            <div class="h-full rounded-full bg-[#202223]" style="width: {{ $pct }}%"></div>
                        </div>
                        <div class="mt-1 text-[11px] text-[#8c9196]">{{ $pct }}%</div>
                    </td>
                    <td data-col="status">
                        <x-admin.badge :tone="$statusTone($transfer->status)">{{ $label($transfer->status) }}</x-admin.badge>
                    </td>
                    <td data-col="created" class="text-xs text-[#6d7175]">
                        <div>{{ $transfer->created_at?->diffForHumans() }}</div>
                        <div>{{ $transfer->createdBy?->name ?? 'System' }}</div>
                    </td>
                    <td data-col="actions" class="text-right">
                        <a href="{{ route('admin.transfers.show', $transfer) }}" class="text-xs font-medium text-[#2c6ecb] hover:underline">Open</a>
                    </td>
                </tr>
            @empty
                <tr>
                    <td colspan="8" class="p-10 text-center text-sm text-[#8c9196]">No transfers match these filters.</td>
                </tr>
            @endforelse
        </tbody>
    </x-admin.advanced-table>

    <form id="transfers-filter" method="get" action="{{ route('admin.transfers.index') }}" class="hidden">
        @if(request('q'))
            <input type="hidden" name="q" value="{{ request('q') }}">
        @endif
    </form>
    <form id="transfers-bulk-form" method="post" action="{{ route('admin.transfers.bulk') }}" class="hidden">
        @csrf
    </form>

    <div class="mt-4">{{ $transfers->links() }}</div>
</x-admin.page>

<script>
(() => {
  const all = document.querySelector('[data-transfers-check-all]');
  if (!all) return;
  all.addEventListener('change', () => {
    document.querySelectorAll('[data-transfers-row]').forEach((el) => { el.checked = all.checked; });
  });
})();
</script>
@endsection