@extends('layouts.app')
@section('title', 'Dashboard')
@section('page-title', 'Dashboard')

@section('content')
{{-- Stats Row --}}
<div class="grid grid-cols-2 lg:grid-cols-4 gap-4 mb-6">
    <div class="card">
        <p class="text-xs font-medium text-gray-500 uppercase tracking-wider">Sales This Month</p>
        <p class="text-2xl font-bold text-gray-900 mt-1">₹{{ number_format($salesThisMonth, 2) }}</p>
        <p class="text-xs mt-1 {{ $salesGrowth >= 0 ? 'text-green-600' : 'text-red-500' }}">
            {{ $salesGrowth >= 0 ? '▲' : '▼' }} {{ abs($salesGrowth) }}% vs last month
        </p>
    </div>
    <div class="card">
        <p class="text-xs font-medium text-gray-500 uppercase tracking-wider">Outstanding</p>
        <p class="text-2xl font-bold text-orange-600 mt-1">₹{{ number_format($outstanding, 2) }}</p>
        <p class="text-xs text-red-500 mt-1">{{ $overdue->count() }} overdue invoice(s)</p>
    </div>
    <div class="card">
        <p class="text-xs font-medium text-gray-500 uppercase tracking-wider">Gross Profit</p>
        <p class="text-2xl font-bold {{ $grossProfit >= 0 ? 'text-green-700' : 'text-red-600' }} mt-1">
            ₹{{ number_format($grossProfit, 2) }}
        </p>
        <p class="text-xs text-gray-400 mt-1">This month</p>
    </div>
    <div class="card">
        <p class="text-xs font-medium text-gray-500 uppercase tracking-wider">Customers</p>
        <p class="text-2xl font-bold text-gray-900 mt-1">{{ $totalCustomers }}</p>
        @if($lowStockItems > 0)
        <p class="text-xs text-amber-600 mt-1">⚠ {{ $lowStockItems }} low stock</p>
        @else
        <p class="text-xs text-gray-400 mt-1">{{ $totalProducts }} products</p>
        @endif
    </div>
</div>

<div class="grid grid-cols-1 lg:grid-cols-3 gap-6">

    {{-- Recent Invoices --}}
    <div class="lg:col-span-2 card p-0 overflow-hidden">
        <div class="flex items-center justify-between px-6 py-4 border-b border-gray-100">
            <h2 class="text-sm font-semibold text-gray-800">Recent Invoices</h2>
            <a href="{{ route('invoices.index') }}" class="text-xs text-indigo-600 hover:underline">View all</a>
        </div>
        <div class="overflow-x-auto">
            <table class="w-full text-sm">
                <thead class="bg-gray-50">
                    <tr>
                        <th class="table-th">Invoice #</th>
                        <th class="table-th">Customer</th>
                        <th class="table-th text-right">Amount</th>
                        <th class="table-th">Status</th>
                        <th class="table-th">Date</th>
                    </tr>
                </thead>
                <tbody class="divide-y divide-gray-50">
                    @forelse($recentInvoices as $inv)
                    <tr class="hover:bg-gray-50">
                        <td class="table-td">
                            <a href="{{ route('invoices.show', $inv) }}" class="text-indigo-600 font-medium hover:underline">
                                {{ $inv->invoice_number }}
                            </a>
                        </td>
                        <td class="table-td font-medium">{{ $inv->customer_name }}</td>
                        <td class="table-td text-right font-semibold">₹{{ number_format($inv->total_amount, 2) }}</td>
                        <td class="table-td">
                            <span class="badge-{{ $inv->status_badge_color }}">{{ ucfirst($inv->status) }}</span>
                        </td>
                        <td class="table-td text-gray-400">{{ $inv->invoice_date->format('d M Y') }}</td>
                    </tr>
                    @empty
                    <tr><td colspan="5" class="table-td text-center text-gray-400 py-8">No invoices yet. <a href="{{ route('invoices.create') }}" class="text-indigo-600 hover:underline">Create one</a></td></tr>
                    @endforelse
                </tbody>
            </table>
        </div>
    </div>

    {{-- Right column --}}
    <div class="space-y-4">

        {{-- Overdue invoices --}}
        @if($overdue->count() > 0)
        <div class="card border-red-200 bg-red-50 p-0 overflow-hidden">
            <div class="px-4 py-3 bg-red-100 border-b border-red-200">
                <p class="text-sm font-semibold text-red-800">⚠ Overdue Invoices</p>
            </div>
            <div class="divide-y divide-red-100">
                @foreach($overdue->take(4) as $inv)
                <div class="px-4 py-2 flex justify-between items-center">
                    <div>
                        <p class="text-xs font-medium text-gray-800">{{ $inv->customer_name }}</p>
                        <p class="text-xs text-red-500">Due {{ $inv->due_date->diffForHumans() }}</p>
                    </div>
                    <a href="{{ route('invoices.show', $inv) }}" class="text-xs text-red-700 font-semibold">
                        ₹{{ number_format($inv->amount_due, 0) }}
                    </a>
                </div>
                @endforeach
            </div>
        </div>
        @endif

        {{-- Monthly summary --}}
        <div class="card">
            <h3 class="text-sm font-semibold text-gray-800 mb-3">This Month</h3>
            <div class="space-y-2">
                <div class="flex justify-between text-sm">
                    <span class="text-gray-500">Sales</span>
                    <span class="font-semibold text-gray-800">₹{{ number_format($salesThisMonth, 2) }}</span>
                </div>
                <div class="flex justify-between text-sm">
                    <span class="text-gray-500">Purchases</span>
                    <span class="font-semibold text-gray-800">₹{{ number_format($purchasesThisMonth, 2) }}</span>
                </div>
                <div class="flex justify-between text-sm">
                    <span class="text-gray-500">Expenses</span>
                    <span class="font-semibold text-gray-800">₹{{ number_format($expensesThisMonth, 2) }}</span>
                </div>
                <div class="border-t border-gray-100 pt-2 flex justify-between text-sm font-semibold">
                    <span>Net Profit</span>
                    <span class="{{ $grossProfit >= 0 ? 'text-green-700' : 'text-red-600' }}">₹{{ number_format($grossProfit, 2) }}</span>
                </div>
            </div>
        </div>

        {{-- Quick actions --}}
        <div class="card">
            <h3 class="text-sm font-semibold text-gray-800 mb-3">Quick Actions</h3>
            <div class="space-y-2">
                <a href="{{ route('invoices.create') }}" class="flex items-center gap-2 text-sm text-indigo-600 hover:text-indigo-800 font-medium py-1">
                    <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="M12 4v16m8-8H4"/></svg>
                    New Invoice
                </a>
                <a href="{{ route('customers.create') }}" class="flex items-center gap-2 text-sm text-indigo-600 hover:text-indigo-800 font-medium py-1">
                    <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="M18 9v3m0 0v3m0-3h3m-3 0h-3m-2-5a4 4 0 11-8 0 4 4 0 018 0zM3 20a6 6 0 0112 0v1H3v-1z"/></svg>
                    Add Customer
                </a>
                <a href="{{ route('products.create') }}" class="flex items-center gap-2 text-sm text-indigo-600 hover:text-indigo-800 font-medium py-1">
                    <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="M20 7l-8-4-8 4m16 0l-8 4m8-4v10l-8 4m0-10L4 7m8 4v10M4 7v10l8 4"/></svg>
                    Add Product
                </a>
                <a href="{{ route('accounting.gstr3b') }}" class="flex items-center gap-2 text-sm text-indigo-600 hover:text-indigo-800 font-medium py-1">
                    <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="M9 7h6m0 10v-3m-3 3h.01M9 17h.01M9 14h.01M12 14h.01M15 11h.01M12 11h.01M9 11h.01M7 21h10a2 2 0 002-2V5a2 2 0 00-2-2H7a2 2 0 00-2 2v14a2 2 0 002 2z"/></svg>
                    View GSTR-3B
                </a>
            </div>
        </div>
    </div>
</div>
@endsection