@extends('hms.layout')
@section('title','Invoice review & controls')
@section('content')
<h2>{{ $bill->number }} @if($bill->billing_label) · {{ $bill->billing_label }} @endif</h2>
<p>{{ $patient->first_name }} {{ $patient->last_name }} · {{ ucfirst($bill->status) }} · {{ $bill->currency }} {{ number_format($bill->total,2) }}</p>
<div class="d-flex gap-2 mb-3"><a href="{{ route('hms.finance.index') }}">Billing & payments</a><a target="_blank" rel="noopener" href="{{ route('hms.finance.invoices.print',$bill->id) }}">Print included charges</a></div>
<p class="small text-muted">Exclusions affect billing only; they do not reverse care, stock movements or clinical records. Issued invoices and invoices with payment history are locked. Splitting moves whole charges into a linked draft for the same patient and facility.</p>
<div class="card p-3 mb-3"><h3 class="h6">Charges and exclusions</h3>
@foreach($lines as $line)
<div class="border-bottom py-2"><strong>{{ $line->description }}</strong> · {{ $line->quantity }} × {{ number_format($line->unit_price,2) }} = {{ number_format($line->line_total,2) }}
@if($line->excluded_at)<span class="badge text-bg-warning">Excluded</span><p class="small mb-1">Reason: {{ $line->exclusion_reason }}</p>
@endif
@if($canManage && $editable)
<form method="POST" action="{{ route('hms.finance.lines.exclusion',[$bill->id,$line->id]) }}" class="d-flex gap-2 mt-1">@csrf
<input type="hidden" name="action" value="{{ $line->excluded_at?'restore':'exclude' }}"><input class="form-control form-control-sm" name="reason" minlength="10" maxlength="2000" required aria-label="Reason for charge change" placeholder="Reason (required, at least 10 characters)"><button class="btn btn-sm btn-outline-secondary">{{ $line->excluded_at?'Restore charge':'Exclude charge' }}</button></form>
@endif
</div>
@endforeach
<p class="mt-3 mb-0"><strong>Payable total: {{ number_format($bill->total,2) }} {{ $bill->currency }}</strong></p></div>
@if($canManage && $editable)
<div class="card p-3 mb-3"><h3 class="h6">Split selected charges</h3><p class="small text-muted">Leave at least one included charge on this invoice. Quantities and prices are preserved. The label is a billing reference; it does not create insurance cover or transfer payments.</p>
<form method="POST" action="{{ route('hms.finance.invoices.split',$bill->id) }}">@csrf
@foreach($lines->whereNull('excluded_at') as $line)
<label class="d-block mb-2"><input type="checkbox" name="lines[]" value="{{ $line->id }}"> {{ $line->description }} · {{ number_format($line->line_total,2) }}</label>
@endforeach
<label class="small" for="billing-label">New invoice label</label><input id="billing-label" name="billing_label" class="form-control mb-2" maxlength="120" placeholder="e.g. Patient charges" required>
<label class="small" for="split-reason">Reason</label><input id="split-reason" name="reason" class="form-control mb-2" minlength="10" maxlength="2000" required><button class="btn btn-outline-primary">Create linked draft</button></form></div>
@endif
<div class="card p-3 mb-3"><h3 class="h6">Related invoices</h3>
@foreach($related as $other)<a class="d-block" href="{{ route('hms.finance.invoices.show',$other->id) }}">{{ $other->number }} · {{ $other->billing_label??'Original invoice' }} · {{ $other->status }} · {{ number_format($other->total,2) }} {{ $other->currency }}</a>
@endforeach
</div>
<div class="card p-3"><h3 class="h6">Change history</h3>
@forelse($events as $event)<p class="mb-2"><strong>{{ str_replace('_',' ',$event->action) }}</strong> · {{ $event->name }} · {{ $event->created_at }}<br>{{ $event->reason }}</p>
@empty<p>No exclusions or splits recorded.</p>
@endforelse
</div>
@endsection