@extends('layouts.app')

@section('title', 'Распределение платежа')

@section('content')
<div class="container">
    <div class="d-flex justify-content-between align-items-center mb-3">
        <h1>Распределение платежа #{{ $payment->id }}</h1>
        <div>
            <a href="{{ route('payments.show', $payment->id) }}" class="btn btn-secondary">Назад</a>
        </div>
    </div>
    
    <div class="row">
        <div class="col-md-4">
            <div class="card mb-4">
                <div class="card-header bg-light">
                    <h5 class="mb-0">Информация о платеже</h5>
                </div>
                <div class="card-body">
                    <p><strong>Клиент:</strong> {{ $payment->consumer->full_name ?? $payment->account_number }}</p>
                    <p><strong>Счет:</strong> {{ $payment->account_number }}</p>
                    <p><strong>Сумма платежа:</strong> <span class="fw-bold text-success">{{ number_format($payment->amount, 2) }} ₽</span></p>
                    <p><strong>Дата:</strong> {{ date('d.m.Y', strtotime($payment->payment_date)) }}</p>
                    <p><strong>Общая задолженность:</strong> <span class="text-danger">{{ number_format($totalDebt, 2) }} ₽</span></p>
                </div>
            </div>
        </div>
        
        <div class="col-md-8">
            <div class="card">
                <div class="card-header bg-light">
                    <h5 class="mb-0">Распределение по долгам</h5>
                </div>
                <div class="card-body">
                    <form method="POST" action="{{ route('payments.distribute', $payment->id) }}">
                        @csrf
                        
                        <div id="debts_list">
                            @foreach($debts as $debt)
                            <div class="border rounded p-3 mb-2" data-document-id="{{ $debt->id }}">
                                <div class="row align-items-center">
                                    <div class="col-md-4">
                                        <strong>{{ $debt->document_type ?? 'Документ' }}</strong>
                                        @if($debt->status)
                                            <span class="badge bg-secondary ms-2">{{ $debt->status }}</span>
                                        @endif
                                        <br>
                                        <small class="text-muted">№{{ $debt->document_number ?? $debt->id }} | {{ $debt->court_name ?? 'Суд не указан' }}</small>
                                    </div>
                                    <div class="col-md-3">
                                        <span class="text-danger">Задолженность: {{ number_format($debt->total_amount, 2) }} ₽</span>
                                    </div>
                                    <div class="col-md-3">
                                        <input type="number" step="0.01" class="form-control debt-amount" 
                                               name="distributions[{{ $debt->id }}][amount]"
                                               data-max="{{ $debt->total_amount }}"
                                               placeholder="Сумма к оплате">
                                    </div>
                                    <div class="col-md-2">
                                        <select class="form-control form-control-sm" name="distributions[{{ $debt->id }}][type]">
                                            <option value="principal">Основной долг</option>
                                            <option value="penalty">Пени</option>
                                            <option value="costs">Издержки</option>
                                        </select>
                                    </div>
                                    <input type="hidden" name="distributions[{{ $debt->id }}][document_id]" value="{{ $debt->id }}">
                                </div>
                            </div>
                            @endforeach
                        </div>
                        
                        <div class="alert alert-info mt-3" id="remaining_info">
                            Остаток для распределения: <strong>{{ number_format($remainingAmount, 2) }} ₽</strong>
                        </div>
                        
                        <div class="mt-3">
                            <button type="submit" class="btn btn-primary" id="submitBtn">Подтвердить распределение</button>
                            <a href="{{ route('payments.show', $payment->id) }}" class="btn btn-secondary">Отмена</a>
                        </div>
                    </form>
                </div>
            </div>
        </div>
    </div>
</div>

<script>
const paymentAmount = {{ $payment->amount }};
let totalDistributed = 0;

function updateRemainingInfo() {
    totalDistributed = 0;
    document.querySelectorAll('.debt-amount').forEach(input => {
        let val = parseFloat(input.value) || 0;
        const maxVal = parseFloat(input.dataset.max) || 0;
        if (val > maxVal) {
            input.value = maxVal;
            val = maxVal;
        }
        totalDistributed += val;
    });
    
    const remaining = paymentAmount - totalDistributed;
    const remainingInfo = document.getElementById('remaining_info');
    const submitBtn = document.getElementById('submitBtn');
    
    if (remaining < 0) {
        remainingInfo.innerHTML = `<strong class="text-danger">Сумма распределения (${totalDistributed.toFixed(2)} ₽) превышает платеж на ${Math.abs(remaining).toFixed(2)} ₽</strong>`;
        submitBtn.disabled = true;
    } else if (remaining > 0) {
        remainingInfo.innerHTML = `Остаток для распределения: <strong>${remaining.toFixed(2)} ₽</strong>`;
        submitBtn.disabled = false;
    } else {
        remainingInfo.innerHTML = `<strong class="text-success">Сумма полностью распределена (${totalDistributed.toFixed(2)} ₽)</strong>`;
        submitBtn.disabled = false;
    }
}

document.querySelectorAll('.debt-amount').forEach(input => {
    input.addEventListener('input', updateRemainingInfo);
});

updateRemainingInfo();
</script>
@endsection