@extends('layouts.biller')

@section('title', 'Item Sales Report')
@section('page_title', 'Menu Engineering (Items)')

@section('content')
<div class="space-y-6 max-w-7xl mx-auto">
    
    <!-- Header & Filter -->
    <div class="bg-white p-6 rounded-sm border border-zinc-200 shadow-sm flex flex-col md:flex-row justify-between items-center gap-4">
        <div>
            <div class="flex items-center space-x-2">
                <a href="{{ route('biller.reports.index') }}" class="text-zinc-400 hover:text-indigo-600 transition-colors">
                    <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M10 19l-7-7m0 0l7-7m-7 7h18"></path></svg>
                </a>
                <h2 class="text-lg font-black uppercase tracking-tight text-zinc-900">Item Sales Performance</h2>
            </div>
            <p class="text-[10px] font-bold text-zinc-500 uppercase tracking-widest mt-1 ml-6">
                Data from {{ $startDate->format('d M Y, h:i A') }} to {{ $endDate->format('d M Y, h:i A') }}
            </p>
        </div>
        
        <form action="{{ route('biller.reports.items') }}" method="GET" class="flex flex-col sm:flex-row items-end sm:items-center gap-2" x-data="{ filter: '{{ $filter }}' }">
            <select name="date_filter" x-model="filter" @change="if(filter !== 'custom') $el.form.submit()" class="text-xs font-bold bg-zinc-50 border border-zinc-200 text-zinc-700 py-2 pl-3 pr-8 rounded-sm focus:ring-indigo-500 focus:border-indigo-500">
                <option value="today">Today</option>
                <option value="yesterday">Yesterday</option>
                <option value="last_7_days">Last 7 Days</option>
                <option value="this_month">This Month</option>
                <option value="custom">Custom Range</option>
            </select>

            <div x-show="filter === 'custom'" x-transition x-cloak class="flex items-center space-x-2">
                <input type="date" name="start_date" value="{{ request('start_date', $startDate->format('Y-m-d')) }}" required class="text-xs font-bold bg-zinc-50 border border-zinc-200 text-zinc-700 py-2 px-3 rounded-sm focus:ring-indigo-500 focus:border-indigo-500">
                <span class="text-xs font-bold text-zinc-400">to</span>
                <input type="date" name="end_date" value="{{ request('end_date', $endDate->format('Y-m-d')) }}" required class="text-xs font-bold bg-zinc-50 border border-zinc-200 text-zinc-700 py-2 px-3 rounded-sm focus:ring-indigo-500 focus:border-indigo-500">
            </div>

            <button type="submit" class="px-4 py-2 bg-indigo-600 text-white text-[10px] font-black uppercase tracking-widest rounded-sm hover:bg-indigo-700 transition-colors shadow-lg shadow-indigo-900/20 whitespace-nowrap">
                Refresh
            </button>
        </form>
    </div>

    <!-- Data Table -->
    <div class="bg-white rounded-sm border border-zinc-200 shadow-sm overflow-hidden flex flex-col">
        <div class="bg-zinc-900 px-5 py-4 border-b border-zinc-800 flex justify-between items-center">
            <h3 class="text-[11px] font-black uppercase tracking-widest text-white flex items-center">
                <svg class="w-4 h-4 text-amber-400 mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M13 7h8m0 0v8m0-8l-8 8-4-4-6 6"></path></svg>
                Detailed Item Analytics
            </h3>
        </div>
        
        <div class="flex-1 overflow-x-auto">
            <table class="w-full text-left border-collapse">
                <thead>
                    <tr class="bg-zinc-50 border-b border-zinc-200">
                        <th class="px-5 py-3 text-[10px] font-black text-zinc-500 uppercase tracking-widest">Rank</th>
                        <th class="px-5 py-3 text-[10px] font-black text-zinc-500 uppercase tracking-widest">Item Name</th>
                        <th class="px-5 py-3 text-[10px] font-black text-zinc-500 uppercase tracking-widest text-center">Qty Sold</th>
                        <th class="px-5 py-3 text-[10px] font-black text-zinc-500 uppercase tracking-widest text-right">Revenue Generated</th>
                    </tr>
                </thead>
                <tbody class="divide-y divide-zinc-100">
                    @forelse($itemSales as $index => $item)
                        <tr class="hover:bg-zinc-50 transition-colors">
                            <td class="px-5 py-3">
                                @php
                                    // Calculate global rank across pagination
                                    $rank = ($itemSales->currentPage() - 1) * $itemSales->perPage() + $index + 1;
                                @endphp
                                <span class="w-6 h-6 rounded-sm {{ $rank <= 3 ? 'bg-amber-100 text-amber-600' : 'bg-zinc-100 text-zinc-500' }} flex items-center justify-center text-[10px] font-black">
                                    #{{ $rank }}
                                </span>
                            </td>
                            <td class="px-5 py-3">
                                <span class="text-xs font-black uppercase text-zinc-900">{{ $item->name }}</span>
                            </td>
                            <td class="px-5 py-3 text-center">
                                <span class="px-3 py-1 bg-indigo-50 text-indigo-700 text-[11px] font-black rounded-sm">
                                    {{ $item->total_qty }}
                                </span>
                            </td>
                            <td class="px-5 py-3 text-right">
                                <span class="text-sm font-black text-zinc-900">₹{{ number_format($item->total_revenue, 2) }}</span>
                            </td>
                        </tr>
                    @empty
                        <tr>
                            <td colspan="4" class="px-5 py-12 text-center">
                                <div class="inline-flex items-center justify-center w-12 h-12 rounded-full bg-zinc-100 text-zinc-400 mb-3">
                                    <svg class="w-6 h-6" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M20 13V6a2 2 0 00-2-2H6a2 2 0 00-2 2v7m16 0v5a2 2 0 01-2 2H6a2 2 0 01-2-2v-5m16 0h-2.586a1 1 0 00-.707.293l-2.414 2.414a1 1 0 01-.707.293h-3.172a1 1 0 01-.707-.293l-2.414-2.414A1 1 0 006.586 13H4"></path></svg>
                                </div>
                                <p class="text-[11px] font-black text-zinc-500 uppercase tracking-widest">No items sold in this period</p>
                            </td>
                        </tr>
                    @endforelse
                </tbody>
            </table>
        </div>
        
        @if($itemSales->hasPages())
            <div class="px-5 py-3 border-t border-zinc-200 bg-zinc-50">
                {{ $itemSales->withQueryString()->links() }}
            </div>
        @endif
    </div>
</div>
@endsection