@php
    use App\Services\LoanInstallmentCalculator;
    use App\Support\FundLoanSettings;
    use App\Support\LoanCalculationMethod;
    use App\Support\LoanServiceCharge;

    $paidCount = $loan->installments->where('status', 'paid')->count();
    $totalInst = $loan->installments->count();
    $today = \Carbon\Carbon::today();
    $method = FundLoanSettings::loanCalculationMethod($fundSettings ?? null);
    $yearlyRate = FundLoanSettings::loanYearlyRate($fundSettings ?? null);
    $isAmortization = LoanCalculationMethod::isAmortization($method);
    $scheduleByNo = [];
    $scheduledPayment = 0.0;
    $totalScheduledInterest = 0.0;
    if ($isAmortization && (int) ($loan->loan_period_months ?? 0) > 0 && (float) ($loan->principal ?? 0) > 0) {
        foreach (app(LoanInstallmentCalculator::class)->buildSchedule(
            (float) $loan->principal,
            (int) $loan->loan_period_months,
            $method,
            $yearlyRate
        ) as $row) {
            $scheduleByNo[$row['installment_no']] = $row;
            $totalScheduledInterest += (float) $row['interest'];
        }
        $scheduledPayment = (float) ($scheduleByNo[1]['payment'] ?? 0);
    }
    $installmentsByNo = $loan->installments->keyBy('installment_no');
    $readOnly = $readOnly ?? false;
    $showEmployeeRow = $showEmployeeRow ?? true;
    $repayRoute = $repayRoute ?? null;
@endphp

<div class="fund-admin-loan-repay">
    <div class="row small mb-3">
        @if($showEmployeeRow)
            <div class="col-md-4"><span class="text-muted">{{ __('Employee') }}:</span> {{ $loan->account?->staff?->user?->name }}</div>
        @endif
        <div class="col-md-4"><span class="text-muted">{{ __('Outstanding') }}:</span> <strong>{{ number_format((float) $loan->outstanding, 2) }}</strong></div>
        <div class="col-md-4"><span class="text-muted">{{ __('Progress') }}:</span>
            @if($totalInst > 0)
                {{ $paidCount }}/{{ $totalInst }} {{ __('paid') }}
            @else
                —
            @endif
        </div>
    </div>

    @if($isAmortization && count($scheduleByNo) > 0)
        <div class="small mb-3 p-2 bg-light border rounded">
            <span class="mr-3"><span class="text-muted">{{ __('Loan Amount') }}:</span> <strong>{{ number_format((float) $loan->principal, 2) }}</strong></span>
            <span class="mr-3"><span class="text-muted">{{ __('Annual rate') }}:</span> <strong>{{ number_format($yearlyRate, 2) }}%</strong></span>
            <span class="mr-3"><span class="text-muted">{{ __('Period') }}:</span> <strong>{{ (int) $loan->loan_period_months }} {{ __('months') }}</strong></span>
            <span class="mr-3"><span class="text-muted">{{ __('Scheduled payment') }}:</span> <strong>{{ number_format($scheduledPayment, 2) }}</strong></span>
            <span><span class="text-muted">{{ __('Total interest') }}:</span> <strong>{{ number_format($totalScheduledInterest, 2) }}</strong></span>
        </div>
        <p class="small text-muted mb-2">
            {{ __('Interest applies when paid on/after the 16th of the due month; waived if paid by the 15th (only principal posted).') }}
        </p>
        <div class="table-responsive">
            <table class="table table-sm table-bordered mb-0">
                <thead class="thead-light">
                <tr>
                    <th>#</th>
                    <th>{{ __('Due') }}</th>
                    <th class="text-right">{{ __('Payment') }}</th>
                    <th class="text-right">{{ __('Principal') }}</th>
                    <th class="text-right">{{ __('Interest') }}</th>
                    <th class="text-right">{{ __('Cumulative Interest') }}</th>
                    <th class="text-right">{{ __('Balance') }}</th>
                    <th>{{ __('Status') }}</th>
                    <th>{{ __('Paid on') }}</th>
                    @unless($readOnly)
                        <th class="text-right">{{ __('Action') }}</th>
                    @endunless
                </tr>
                </thead>
                <tbody>
                @php $cumulativeInterest = 0.0; @endphp
                @foreach($scheduleByNo as $no => $scheduleRow)
                    @php
                        $inst = $installmentsByNo->get($no);
                        $dueLabel = $inst
                            ? \Carbon\Carbon::create($inst->due_year, $inst->due_month, 1)->format('M Y')
                            : '—';
                        if ($inst) {
                            $dueDate = \Carbon\Carbon::create($inst->due_year, $inst->due_month, 1)->endOfMonth();
                            if ($inst->status === 'paid') {
                                $instStatus = __('Paid');
                                $instBadge = 'badge-success';
                            } elseif ($dueDate->lt($today)) {
                                $instStatus = __('Overdue');
                                $instBadge = 'badge-danger';
                            } else {
                                $instStatus = __('Due');
                                $instBadge = 'badge-warning';
                            }
                        } else {
                            $instStatus = __('Pending');
                            $instBadge = 'badge-secondary';
                        }
                        $cumulativeInterest += (float) $scheduleRow['interest'];
                    @endphp
                    <tr>
                        <td>{{ $no }}</td>
                        <td>{{ $dueLabel }}</td>
                        <td class="text-right">{{ number_format((float) $scheduleRow['payment'], 2) }}</td>
                        <td class="text-right">{{ number_format((float) $scheduleRow['principal'], 2) }}</td>
                        <td class="text-right">{{ number_format((float) $scheduleRow['interest'], 2) }}</td>
                        <td class="text-right">{{ number_format($cumulativeInterest, 2) }}</td>
                        <td class="text-right">{{ number_format((float) $scheduleRow['ending_balance'], 2) }}</td>
                        <td>
                            @if($inst)
                                <span class="badge {{ $instBadge }}">{{ $instStatus }}</span>
                            @else
                                <span class="text-muted">—</span>
                            @endif
                        </td>
                        <td>{{ $inst?->paid_at?->format('Y-m-d') ?? '—' }}</td>
                        @unless($readOnly)
                            <td class="text-right">
                                @if($repayRoute && $inst && $inst->status === 'pending' && (float) $loan->outstanding > 0)
                                    <form method="post" action="{{ $repayRoute }}" class="d-inline"
                                          onsubmit="return confirm(@json(__('Post repayment for installment #:no?', ['no' => $no])));">
                                        @csrf
                                        <input type="hidden" name="installment_id" value="{{ $inst->id }}">
                                        <button type="submit" class="btn btn-sm btn-primary">{{ __('Post') }}</button>
                                    </form>
                                @else
                                    <span class="text-muted small">—</span>
                                @endif
                            </td>
                        @endunless
                    </tr>
                @endforeach
                </tbody>
            </table>
        </div>
    @elseif($totalInst > 0)
        <p class="small text-muted mb-2">
            {{ __('Service charge applies when paid on/after the 16th of the due month; waived if paid by the 15th.') }}
        </p>
        <div class="table-responsive">
            <table class="table table-sm table-bordered mb-0">
                <thead class="thead-light">
                <tr>
                    <th>#</th>
                    <th>{{ __('Due') }}</th>
                    <th class="text-right">{{ __('Principal') }}</th>
                    <th class="text-right">{{ __('S/Charge') }}</th>
                    <th class="text-right">{{ __('Total') }}</th>
                    <th>{{ __('Status') }}</th>
                    <th>{{ __('Paid on') }}</th>
                    @unless($readOnly)
                        <th class="text-right">{{ __('Action') }}</th>
                    @endunless
                </tr>
                </thead>
                <tbody>
                @foreach($loan->installments as $inst)
                    @php
                        $dueDate = \Carbon\Carbon::create($inst->due_year, $inst->due_month, 1)->endOfMonth();
                        $dueLabel = \Carbon\Carbon::create($inst->due_year, $inst->due_month, 1)->format('M Y');
                        if ($inst->status === 'paid') {
                            $instStatus = __('Paid');
                            $instBadge = 'badge-success';
                        } elseif ($dueDate->lt($today)) {
                            $instStatus = __('Overdue');
                            $instBadge = 'badge-danger';
                        } else {
                            $instStatus = __('Due');
                            $instBadge = 'badge-warning';
                        }
                        $svcAmt = $inst->status === 'paid'
                            ? (float) $inst->service_charge
                            : LoanServiceCharge::monthlyChargeAmount((float) $inst->amount, $yearlyRate);
                        $totalDue = (float) $inst->amount + ($inst->status === 'paid' ? (float) $inst->service_charge : $svcAmt);
                    @endphp
                    <tr>
                        <td>{{ $inst->installment_no }}</td>
                        <td>{{ $dueLabel }}</td>
                        <td class="text-right">{{ number_format((float) $inst->amount, 2) }}</td>
                        <td class="text-right">{{ number_format($svcAmt, 2) }}</td>
                        <td class="text-right font-weight-bold">{{ number_format($totalDue, 2) }}</td>
                        <td><span class="badge {{ $instBadge }}">{{ $instStatus }}</span></td>
                        <td>{{ $inst->paid_at?->format('Y-m-d') ?? '—' }}</td>
                        @unless($readOnly)
                            <td class="text-right">
                                @if($repayRoute && $inst->status === 'pending' && (float) $loan->outstanding > 0)
                                    <form method="post" action="{{ $repayRoute }}" class="d-inline"
                                          onsubmit="return confirm(@json(__('Post repayment for installment #:no?', ['no' => $inst->installment_no])));">
                                        @csrf
                                        <input type="hidden" name="installment_id" value="{{ $inst->id }}">
                                        <button type="submit" class="btn btn-sm btn-primary">{{ __('Post') }}</button>
                                    </form>
                                @else
                                    <span class="text-muted small">—</span>
                                @endif
                            </td>
                        @endunless
                    </tr>
                @endforeach
                </tbody>
            </table>
        </div>
    @elseif(! $readOnly && $repayRoute)
        <p class="text-muted small mb-2">{{ __('No installment schedule on this loan. Post a manual amount below.') }}</p>
        <form method="post" action="{{ $repayRoute }}" class="form-inline">
            @csrf
            <div class="form-group mr-2 mb-2">
                <label class="sr-only">{{ __('Amount') }}</label>
                <input type="number" step="0.01" min="0.01" max="{{ (float) $loan->outstanding }}" name="amount"
                       class="form-control form-control-sm" placeholder="{{ __('Amount') }}" required style="width: 140px;">
            </div>
            <div class="form-group mr-2 mb-2">
                <input type="text" name="notes" class="form-control form-control-sm" placeholder="{{ __('Notes (optional)') }}" style="width: 200px;">
            </div>
            <button type="submit" class="btn btn-sm btn-primary mb-2">{{ __('Post repayment') }}</button>
        </form>
    @else
        <p class="text-muted small mb-0">{{ __('No installment schedule on this loan yet.') }}</p>
    @endif
</div>