@extends('layouts.app')
@section('title', 'Children Fees')
@section('page-title', 'Children Fee Details')

@section('content')
<div class="space-y-6" x-data="{ payingInvoice: null }">

    @if(session('success'))
    <div class="bg-green-50 border border-green-200 text-green-700 px-4 py-3 rounded-xl text-sm">
        <i class="fas fa-check-circle mr-1"></i> {{ session('success') }}
    </div>
    @endif
    @if(session('error'))
    <div class="bg-red-50 border border-red-200 text-red-700 px-4 py-3 rounded-xl text-sm">
        <i class="fas fa-exclamation-circle mr-1"></i> {{ session('error') }}
    </div>
    @endif

    {{-- Summary --}}
    <div class="grid grid-cols-1 md:grid-cols-3 gap-4">
        <div class="bg-white rounded-xl shadow-sm ring-1 ring-gray-200/60 p-5">
            <div class="flex items-center justify-between">
                <p class="text-sm text-gray-500">Total Due</p>
                <div class="w-10 h-10 rounded-full bg-red-50 flex items-center justify-center"><i class="fas fa-exclamation-circle text-red-500"></i></div>
            </div>
            <p class="text-2xl font-bold text-red-600 mt-1">₹{{ number_format($invoices->whereIn('status', ['pending','overdue','partial'])->sum('balance'), 2) }}</p>
        </div>
        <div class="bg-white rounded-xl shadow-sm ring-1 ring-gray-200/60 p-5">
            <div class="flex items-center justify-between">
                <p class="text-sm text-gray-500">Total Paid</p>
                <div class="w-10 h-10 rounded-full bg-green-50 flex items-center justify-center"><i class="fas fa-check-circle text-green-500"></i></div>
            </div>
            <p class="text-2xl font-bold text-green-600 mt-1">₹{{ number_format($invoices->sum('paid_amount'), 2) }}</p>
        </div>
        <div class="bg-white rounded-xl shadow-sm ring-1 ring-gray-200/60 p-5">
            <div class="flex items-center justify-between">
                <p class="text-sm text-gray-500">Total Invoices</p>
                <div class="w-10 h-10 rounded-full bg-blue-50 flex items-center justify-center"><i class="fas fa-file-invoice text-blue-500"></i></div>
            </div>
            <p class="text-2xl font-bold text-blue-600 mt-1">{{ $invoices->count() }}</p>
        </div>
    </div>

    {{-- Invoices --}}
    <div class="bg-white rounded-xl shadow-sm ring-1 ring-gray-200/60 overflow-hidden">
        <div class="px-6 py-4 border-b border-gray-100 bg-gray-50/50">
            <h3 class="font-semibold text-gray-800"><i class="fas fa-file-invoice mr-2 text-gray-400"></i>Children's Invoices</h3>
        </div>
        <div class="overflow-x-auto">
            <table class="w-full">
                <thead class="bg-gray-50 border-b border-gray-100">
                    <tr>
                        <th class="px-5 py-3 text-left text-xs font-semibold text-gray-600 uppercase">Child</th>
                        <th class="px-5 py-3 text-left text-xs font-semibold text-gray-600 uppercase">Fee Type</th>
                        <th class="px-5 py-3 text-right text-xs font-semibold text-gray-600 uppercase">Total</th>
                        <th class="px-5 py-3 text-right text-xs font-semibold text-gray-600 uppercase">Balance</th>
                        <th class="px-5 py-3 text-left text-xs font-semibold text-gray-600 uppercase">Due</th>
                        <th class="px-5 py-3 text-center text-xs font-semibold text-gray-600 uppercase">Status</th>
                        <th class="px-5 py-3 text-center text-xs font-semibold text-gray-600 uppercase">Actions</th>
                    </tr>
                </thead>
                <tbody class="divide-y divide-gray-50">
                    @forelse($invoices as $invoice)
                    <tr class="hover:bg-gray-50">
                        <td class="px-5 py-3">
                            <span class="text-sm font-medium text-gray-800">{{ $invoice->student?->name }}</span>
                            <p class="text-xs text-gray-400">{{ $invoice->student?->studentProfile?->class_?->full_name }}</p>
                        </td>
                        <td class="px-5 py-3 text-sm text-gray-600">{{ $invoice->feeStructure->name }}</td>
                        <td class="px-5 py-3 text-sm font-semibold text-gray-800 text-right">₹{{ number_format($invoice->total, 2) }}</td>
                        <td class="px-5 py-3 text-sm font-semibold text-right {{ $invoice->balance > 0 ? 'text-red-600' : 'text-green-600' }}">
                            ₹{{ number_format($invoice->balance, 2) }}
                        </td>
                        <td class="px-5 py-3 text-sm text-gray-600">{{ $invoice->due_date->format('d M Y') }}</td>
                        <td class="px-5 py-3 text-center">
                            @php
                                $sc = ['paid'=>'bg-green-100 text-green-700','partial'=>'bg-blue-100 text-blue-700','pending'=>'bg-yellow-100 text-yellow-700','overdue'=>'bg-red-100 text-red-700'];
                            @endphp
                            <span class="inline-flex items-center px-2 py-0.5 rounded-full text-xs font-semibold {{ $sc[$invoice->status] ?? 'bg-gray-100' }}">{{ ucfirst($invoice->status) }}</span>
                        </td>
                        <td class="px-5 py-3 text-center">
                            <div class="flex items-center justify-center gap-2">
                                @if($invoice->balance > 0)
                                <button @click="payingInvoice = {{ $invoice->id }}"
                                        class="inline-flex items-center gap-1 bg-primary-700 text-white px-3 py-1.5 rounded-lg text-xs font-medium hover:bg-primary-800">
                                    <i class="fas fa-credit-card"></i> Pay
                                </button>
                                @endif
                                @foreach($invoice->payments->where('status', 'success')->take(1) as $p)
                                <a href="{{ route('fees.receipt', $p) }}" class="text-green-600 hover:text-green-800 text-xs"><i class="fas fa-receipt"></i></a>
                                @endforeach
                            </div>
                        </td>
                    </tr>
                    @empty
                    <tr><td colspan="7" class="px-5 py-12 text-center text-gray-500">No invoices found.</td></tr>
                    @endforelse
                </tbody>
            </table>
        </div>
    </div>

    {{-- Payment Modal --}}
    <div x-show="payingInvoice" x-transition class="fixed inset-0 bg-black/50 z-50 flex items-center justify-center p-4" @click.self="payingInvoice = null">
        <div class="bg-white rounded-xl shadow-2xl w-full max-w-md" @click.stop>
            <div class="px-6 py-4 border-b border-gray-100 flex items-center justify-between">
                <h3 class="font-semibold text-gray-800"><i class="fas fa-credit-card mr-2 text-primary-600"></i>Make Payment</h3>
                <button @click="payingInvoice = null" class="text-gray-400 hover:text-gray-600"><i class="fas fa-times"></i></button>
            </div>
            @foreach($invoices->where('status', '!=', 'paid') as $invoice)
            <form method="POST" action="{{ route('razorpay.create-order', $invoice) }}"
                  x-show="payingInvoice === {{ $invoice->id }}" class="p-6 space-y-4">
                @csrf
                <div class="bg-gray-50 rounded-lg p-4 space-y-2">
                    <div class="flex justify-between text-sm"><span class="text-gray-500">Child:</span><span class="font-medium">{{ $invoice->student?->name }}</span></div>
                    <div class="flex justify-between text-sm"><span class="text-gray-500">Fee:</span><span class="font-medium">{{ $invoice->feeStructure->name }}</span></div>
                    <div class="flex justify-between text-sm border-t border-gray-200 pt-2"><span class="font-semibold">Balance:</span><span class="font-bold text-red-600">₹{{ number_format($invoice->balance, 2) }}</span></div>
                </div>
                <div>
                    <label class="block text-sm font-medium text-gray-700 mb-1">Amount</label>
                    <input type="number" name="amount" step="0.01" min="1" max="{{ $invoice->balance }}" value="{{ $invoice->balance }}" required
                           class="w-full border border-gray-300 rounded-lg px-4 py-2.5 text-lg font-semibold">
                </div>
                <div class="bg-blue-50 rounded-lg p-3 text-xs text-blue-700">
                    <i class="fas fa-lock mr-1"></i> Payment powered by Razorpay. Your transaction is secure and encrypted.
                </div>
                <button type="submit" class="w-full bg-primary-700 text-white py-3 rounded-lg font-semibold hover:bg-primary-800 transition">
                    <i class="fas fa-lock mr-1.5"></i> Pay Securely
                </button>
            </form>
            @endforeach
        </div>
    </div>
</div>
@endsection