@extends('layouts.app')
@section('title','Record Repayment')
@section('page-title','Repayments')

@section('content')
<div class="d-flex align-items-center gap-3 mb-4">
    <a href="{{ route('admin.repayments.index') }}" class="btn btn-outline-navy" style="padding:7px 14px;">
        <i class="fa-solid fa-arrow-left me-1"></i> Back
    </a>
    <div>
        <div class="section-title">Record Loan Repayment</div>
        <div class="section-sub">Accept payment in USD or LRD · Rate: L${{ number_format($rate,2) }}=US$1</div>
    </div>
</div>

<div class="row justify-content-center">
    <div class="col-lg-6">
        <form method="POST" action="{{ route('admin.repayments.store') }}">
            @csrf
            <div class="card">
                <div class="card-header">
                    <div class="card-header-title"><i class="fa-solid fa-rotate-left me-2" style="color:#c9a84c;"></i>Payment Details</div>
                </div>
                <div class="card-body">
                    <div class="mb-3">
                        <label class="form-label">Select Loan <span class="text-danger">*</span></label>
                        <select name="loan_id" class="form-select" required id="loanSelect">
                            <option value="">-- Choose disbursed loan --</option>
                            @foreach($loans as $loan)
                            <option value="{{ $loan->id }}"
                                data-outstanding="{{ $loan->outstanding_balance }}"
                                data-outstanding-lrd="{{ $loan->outstanding_balance_lrd }}"
                                data-installment="{{ $loan->monthly_installment }}"
                                data-installment-lrd="{{ $loan->monthly_installment_lrd }}"
                                data-currency="{{ $loan->currency }}"
                                {{ request('loan_id') == $loan->id ? 'selected' : '' }}>
                                {{ $loan->loan_number }} — {{ $loan->member->name }} —
                                Outstanding: ${{ number_format($loan->outstanding_balance,2) }} / L${{ number_format($loan->outstanding_balance_lrd,2) }}
                            </option>
                            @endforeach
                        </select>
                    </div>

                    <div id="loanInfo" style="display:none;" class="mb-3 p-3" style="background:rgba(201,168,76,.08);border-radius:9px;">
                        <div class="row g-2">
                            <div class="col-6">
                                <div style="font-size:.72rem;color:#aaa;">Outstanding (USD)</div>
                                <div class="amount" id="outstandingUsd" style="color:#c0392b;font-weight:600;"></div>
                            </div>
                            <div class="col-6">
                                <div style="font-size:.72rem;color:#aaa;">Outstanding (LRD)</div>
                                <div class="amount" id="outstandingLrd" style="color:#c0392b;font-weight:600;"></div>
                            </div>
                            <div class="col-6">
                                <div style="font-size:.72rem;color:#aaa;">Installment (USD)</div>
                                <div class="amount" id="installmentUsd" style="color:#2e7d52;"></div>
                            </div>
                            <div class="col-6">
                                <div style="font-size:.72rem;color:#aaa;">Installment (LRD)</div>
                                <div class="amount" id="installmentLrd" style="color:#2e7d52;"></div>
                            </div>
                        </div>
                    </div>

                    {{-- Currency selector --}}
                    <div class="mb-3">
                        <label class="form-label">Payment Currency <span class="text-danger">*</span></label>
                        <div class="d-flex gap-2">
                            @foreach(['USD' => ['US Dollar','$','#2e7d52'], 'LRD' => ['Liberian Dollar','L$','#1565c0']] as $cur => [$lbl,$sym,$color])
                            <label style="flex:1;cursor:pointer;">
                                <input type="radio" name="currency" value="{{ $cur }}" {{ old('currency','USD')===$cur?'checked':'' }} style="display:none;" class="pay-cur-radio" data-symbol="{{ $sym }}" data-color="{{ $color }}">
                                <div class="pay-cur-card" data-color="{{ $color }}" style="border:2px solid {{ old('currency','USD')===$cur?$color:'var(--border)' }};border-radius:10px;padding:10px;text-align:center;transition:all .2s;">
                                    <div style="font-size:1.1rem;font-weight:700;color:{{ $color }};">{{ $sym }}</div>
                                    <div style="font-size:.72rem;color:#6b7a8d;">{{ $cur }}</div>
                                </div>
                            </label>
                            @endforeach
                        </div>
                    </div>

                    <div class="mb-3">
                        <label class="form-label">Amount <span class="text-danger">*</span></label>
                        <div class="input-group">
                            <span class="input-group-text" id="paySymbol" style="font-weight:700;">$</span>
                            <input type="number" name="amount" class="form-control" step="0.01" placeholder="0.00" required id="payAmount">
                        </div>
                        <div id="payConverted" style="font-size:.78rem;color:#6b7a8d;margin-top:4px;"></div>
                    </div>

                    <div class="mb-3">
                        <label class="form-label">Payment Date</label>
                        <input type="date" name="payment_date" class="form-control" value="{{ now()->format('Y-m-d') }}">
                    </div>
                    <div class="mb-3">
                        <label class="form-label">Payment Mode</label>
                        <select name="payment_mode" class="form-select">
                            @foreach(['cash'=>'Cash','bank_transfer'=>'Bank Transfer','payroll_deduction'=>'Payroll Deduction','cheque'=>'Cheque'] as $v=>$l)
                                <option value="{{ $v }}">{{ $l }}</option>
                            @endforeach
                        </select>
                    </div>
                    <div class="mb-3">
                        <label class="form-label">Notes</label>
                        <textarea name="note" class="form-control" rows="2" placeholder="Optional notes..."></textarea>
                    </div>
                </div>
                <div class="card-body" style="border-top:1px solid var(--border);">
                    <button type="submit" class="btn btn-gold px-5">
                        <i class="fa-solid fa-floppy-disk me-1"></i> Save Repayment
                    </button>
                </div>
            </div>
        </form>
    </div>
</div>

@push('scripts')
<script>
const xRate = {{ $rate }};
let curPayCurrency = 'USD';

document.getElementById('loanSelect').addEventListener('change', function () {
    const opt = this.options[this.selectedIndex];
    if (this.value) {
        document.getElementById('loanInfo').style.display = 'block';
        document.getElementById('outstandingUsd').textContent = '$'  + parseFloat(opt.dataset.outstanding    || 0).toFixed(2);
        document.getElementById('outstandingLrd').textContent = 'L$' + parseFloat(opt.dataset.outstandingLrd || 0).toFixed(2);
        document.getElementById('installmentUsd').textContent = '$'  + parseFloat(opt.dataset.installment    || 0).toFixed(2);
        document.getElementById('installmentLrd').textContent = 'L$' + parseFloat(opt.dataset.installmentLrd || 0).toFixed(2);
        // Default to installment amount
        const inst = curPayCurrency === 'USD' ? opt.dataset.installment : opt.dataset.installmentLrd;
        document.getElementById('payAmount').value = parseFloat(inst || 0).toFixed(2);
        updateConversion();
    } else {
        document.getElementById('loanInfo').style.display = 'none';
    }
});

document.querySelectorAll('.pay-cur-radio').forEach(r => {
    r.addEventListener('change', function () {
        curPayCurrency = this.value;
        document.getElementById('paySymbol').textContent = this.dataset.symbol;
        document.querySelectorAll('.pay-cur-card').forEach(c => c.style.borderColor = 'var(--border)');
        this.nextElementSibling.style.borderColor = this.dataset.color;
        // Refill installment for new currency
        const sel = document.getElementById('loanSelect');
        if (sel.value) {
            const opt = sel.options[sel.selectedIndex];
            const inst = curPayCurrency === 'USD' ? opt.dataset.installment : opt.dataset.installmentLrd;
            document.getElementById('payAmount').value = parseFloat(inst || 0).toFixed(2);
        }
        updateConversion();
    });
});

function updateConversion() {
    const amt = parseFloat(document.getElementById('payAmount').value) || 0;
    const el  = document.getElementById('payConverted');
    if (!amt) { el.textContent = ''; return; }
    if (curPayCurrency === 'USD')
        el.textContent = '≈ L$' + (amt * xRate).toLocaleString('en', {minimumFractionDigits:2}) + ' LRD';
    else
        el.textContent = '≈ $'  + (amt / xRate).toLocaleString('en', {minimumFractionDigits:2}) + ' USD';
}
document.getElementById('payAmount').addEventListener('input', updateConversion);

if (document.getElementById('loanSelect').value)
    document.getElementById('loanSelect').dispatchEvent(new Event('change'));
</script>
@endpush
@endsection