@extends('garage.layouts.app')

@section('title', ($glOrder ?? 'Order').' '.$repairOrder->repair_order_number)

@section('content')
<div class="container-fluid px-2 px-lg-3 py-3">
    @php
        $partsSub = 0.0;
        $servicesSub = 0.0;

        $hasParts = !empty($items) && count($items) > 0;
        $hasServices = !empty($services) && count($services) > 0;

        foreach (($items ?? []) as $it) {
            $qty = (float) ($it->quantity ?? 0);
            $unit = (float) ($it->unit_price ?? 0);
            $gross = $qty * $unit;
            $disc = (float) ($it->discount_amount ?? 0); // already applied PKR on the item
            $net = max(0, $gross - $disc);
            $partsSub += $net;
        }
        foreach (($services ?? []) as $s) {
            // Some legacy rows may have line_total stored as 0; fall back to hours*rate.
            $lt = (float) ($s->line_total ?? 0);
            if ($lt <= 0) {
                $lt = (float) ($s->hours ?? 0) * (float) ($s->rate ?? 0);
            }
            $servicesSub += $lt;
        }

        $subBeforeHeader = $partsSub + $servicesSub;
        $hdrDiscInput = (float) ($repairOrder->discount_amount ?? 0);
        $hdrDiscType = (string) ($repairOrder->discount_type ?? 'fixed');
        $hdrDiscAppliedComputed = $hdrDiscType === 'percentage'
            ? ($subBeforeHeader * ($hdrDiscInput / 100))
            : $hdrDiscInput;
        $hdrDiscAppliedComputed = max(0, min($subBeforeHeader, $hdrDiscAppliedComputed));

        // Fallback for old records: if stored discount input is missing/zero,
        // infer applied discount from subtotal difference (RO `subtotal` is after-discount in our system).
        $subtotalAfter = (float) ($repairOrder->subtotal_after_discount ?? $repairOrder->subtotal ?? 0);
        $hdrDiscAppliedFromDiff = max(0, min($subBeforeHeader, $subBeforeHeader - $subtotalAfter));
        $hdrDiscAppliedFinal = isset($repairOrder->discount_applied_amount)
            ? (float) ($repairOrder->discount_applied_amount ?? 0)
            : ($hdrDiscAppliedComputed > 0 ? $hdrDiscAppliedComputed : $hdrDiscAppliedFromDiff);

        $hdrDiscPercentInferred = $subBeforeHeader > 0 ? (($hdrDiscAppliedFinal / $subBeforeHeader) * 100) : 0;

        // Hard rule: when user selected 100% discount, applied discount must equal subtotal.
        if ($hdrDiscType === 'percentage' && $hdrDiscInput >= 100) {
            $hdrDiscAppliedFinal = $subBeforeHeader;
            $hdrDiscPercentInferred = 100.0;
        }

        // If totals indicate a fully-discounted order, force 100% display for legacy rows
        // where the percent input wasn't stored.
        if (
            $subBeforeHeader > 0
            && (float) ($repairOrder->grand_total ?? 0) == 0.0
            && (float) ($repairOrder->tax_amount ?? 0) == 0.0
            && (float) ($repairOrder->freight_amount ?? 0) == 0.0
            && $subtotalAfter == 0.0
            && $hdrDiscAppliedFinal >= ($subBeforeHeader - 0.01)
        ) {
            $hdrDiscPercentInferred = 100.0;
        }
    @endphp

    <div class="d-flex flex-wrap justify-content-between align-items-start gap-2 mb-3">
        <div>
            <h1 class="h4 mb-0 font-monospace">{{ $repairOrder->repair_order_number }}</h1>
            <p class="text-muted small mb-0">{{ $repairOrder->repair_order_date }} · <span class="badge bg-secondary">{{ str_replace('_',' ', $repairOrder->status) }}</span></p>
        </div>
        <div class="d-flex flex-wrap gap-2">
            <a href="{{ route('garage.repair-orders.index') }}" class="btn btn-sm btn-outline-secondary">All {{ strtolower($glOrders ?? 'orders') }}</a>
            @if(!empty($hasDocumentServices))
            <a href="{{ route('garage.repair-orders.print.service-reminder', $repairOrder->id) }}" target="_blank" class="btn btn-sm btn-outline-dark">
                <i class="bi bi-tag me-1"></i>Service reminder
            </a>
            @endif
            @if(!empty($hasOrderVouchers) || (float) ($repairOrder->advance_amount ?? 0) > 0)
                <a href="{{ route('garage.repair-orders.vouchers', $repairOrder->id) }}" class="btn btn-sm btn-outline-primary">
                    <i class="bi bi-journal-text me-1"></i>Vouchers
                </a>
            @endif
            <a href="{{ route('garage.repair-orders.edit', $repairOrder->id) }}" class="btn btn-sm btn-outline-primary">Edit</a>
            @if($hasServices)
                @if(!empty($linkedWorkOrder) && !empty($linkedWorkOrder->id))
                    <a href="{{ route('garage.work-orders.show', $linkedWorkOrder->id) }}"
                       class="btn btn-sm btn-outline-warning">
                        Job card
                        @if(($linkedWorkOrder->status ?? '') === 'completed')
                            <span class="badge bg-success ms-1">Done</span>
                        @endif
                    </a>
                @else
                    <a href="{{ route('garage.work-orders.create', ['repair_order_id' => $repairOrder->id]) }}"
                       class="btn btn-sm btn-outline-warning">
                        Create job card
                    </a>
                @endif
                @if(!empty($repairOrder->garage_sale_id))
                    <a href="{{ route('garage.sales.show', $repairOrder->garage_sale_id) }}" class="btn btn-sm btn-outline-success">Sale invoice</a>
                @elseif(!empty($saleInvoiceGate['allowed']))
                    <a href="{{ route('garage.sales.create', ['repair_order_id' => $repairOrder->id]) }}" class="btn btn-sm btn-outline-success">Make sale invoice</a>
                @endif
            @elseif($hasParts)
                @if(!empty($repairOrder->garage_sale_id))
                    <a href="{{ route('garage.sales.show', $repairOrder->garage_sale_id) }}" class="btn btn-sm btn-outline-success">Invoice</a>
                @else
                    <a href="{{ route('garage.sales.create', ['repair_order_id' => $repairOrder->id]) }}" class="btn btn-sm btn-outline-success">Make invoice</a>
                @endif
            @endif
        </div>
    </div>

    @if(session('success'))
        <div class="alert alert-success py-2">{{ session('success') }}</div>
    @endif
    @if(session('warning'))
        <div class="alert alert-warning py-2">{{ session('warning') }}</div>
    @endif
    @if(session('error'))
        <div class="alert alert-danger py-2">{{ session('error') }}</div>
    @endif
    @if($hasServices && empty($repairOrder->garage_sale_id) && empty($saleInvoiceGate['allowed']) && !empty($saleInvoiceGate['message']))
        <div class="alert alert-info py-2 mb-0">
            <i class="bi bi-info-circle me-1"></i>{{ $saleInvoiceGate['message'] }}
        </div>
    @endif

    <div class="row g-3 mb-4">
        <div class="col-md-3">
            <div class="small text-muted text-uppercase">Customer</div>
            <div class="d-flex flex-wrap align-items-center gap-2">
                <span>{{ $repairOrder->customer_name ?? '—' }}</span>
                @if(!empty($repairOrder->customer_ledger_id))
                    <a class="btn btn-sm btn-outline-primary py-0"
                       href="{{ route('garage.customers.show', $repairOrder->customer_ledger_id) }}"
                       title="Open ledger statement">
                        Ledger statement
                    </a>
                @endif
            </div>
        </div>
        @if(isset($repairOrder->advance_amount))
        <div class="col-md-3">
            <div class="small text-muted text-uppercase">Advance</div>
            <div class="fw-semibold">{{ number_format((float) ($repairOrder->advance_amount ?? 0), 0) }}</div>
        </div>
        @endif
        <div class="col-md-3">
            <div class="small text-muted text-uppercase">Vehicle</div>
            <div>
                @if(!empty($repairOrder->vehicle_registration))
                    <strong>{{ $repairOrder->vehicle_registration }}</strong>
                    @if(!empty($subLedger) && !empty($subLedger->id))
                        <div class="mt-1">
                            <a class="btn btn-sm btn-outline-primary py-0"
                               href="{{ route('garage.ledger-reports.sub-ledger', $subLedger->id) }}"
                               title="Open sub-ledger statement">
                                Sub-ledger statement
                            </a>
                        </div>
                    @endif
                    @if($repairOrder->vehicle_make || $repairOrder->vehicle_model || $repairOrder->vehicle_year)
                        <div class="small text-muted">{{ trim(($repairOrder->vehicle_make ?? '').' '.($repairOrder->vehicle_model ?? '').' '.($repairOrder->vehicle_year ?? '')) }}</div>
                    @endif
                @else
                    —
                @endif
            </div>
        </div>
        @if(!empty($hasDocumentServices))
        <div class="col-md-3">
            <div class="small text-muted text-uppercase">Current reading</div>
            <div class="fw-semibold">
                @if(!empty($repairOrder->meter_reading))
                    {{ \App\Support\GarageMeterReading::format($repairOrder->meter_reading) }} km
                @else
                    —
                @endif
            </div>
        </div>
        <div class="col-md-3">
            <div class="small text-muted text-uppercase">Next reading</div>
            <div class="fw-semibold">
                @if(!empty($repairOrder->next_meter_reading))
                    {{ \App\Support\GarageMeterReading::format($repairOrder->next_meter_reading) }} km
                @else
                    —
                @endif
            </div>
        </div>
        <div class="col-md-3">
            <div class="small text-muted text-uppercase">Next service date</div>
            <div class="fw-semibold">
                @if(!empty($repairOrder->next_service_date))
                    {{ \Carbon\Carbon::parse($repairOrder->next_service_date)->format('d M Y') }}
                @else
                    —
                @endif
            </div>
        </div>
        @endif
        @if(!empty($repairOrder->lead_employee_name))
        <div class="col-md-3">
            <div class="small text-muted text-uppercase">Lead / responsible</div>
            <div>{{ $repairOrder->lead_employee_name }}</div>
        </div>
        @endif
        <div class="col-md-3">
            <div class="small text-muted text-uppercase">Total</div>
            <div class="fw-semibold">PKR {{ number_format((float) $repairOrder->grand_total, 2) }}</div>
            <div class="small text-muted mt-1">
                Subtotal:
                @if(isset($repairOrder->subtotal_before_discount))
                    PKR {{ number_format((float) ($repairOrder->subtotal_before_discount ?? 0), 2) }}
                @else
                    PKR {{ number_format((float) $subBeforeHeader, 2) }}
                @endif
                <br>
                Discount:
                @if(($repairOrder->discount_type ?? 'fixed') === 'percentage')
                    @php $pct = (float) ($repairOrder->discount_amount ?? 0); @endphp
                    {{ number_format($pct > 0 ? $pct : $hdrDiscPercentInferred, 2) }}%
                @else
                    @php $amt = (float) ($repairOrder->discount_amount ?? 0); @endphp
                    PKR {{ number_format($amt > 0 ? $amt : $hdrDiscAppliedFinal, 2) }}
                @endif
                <span class="text-muted">
                    (applied PKR {{ number_format((float) $hdrDiscAppliedFinal, 2) }})
                </span>
                <br>
                Tax: PKR {{ number_format((float) ($repairOrder->tax_amount ?? 0), 2) }}<br>
                Freight: PKR {{ number_format((float) ($repairOrder->freight_amount ?? 0), 2) }}
            </div>
        </div>
        <div class="col-md-3">
            <div class="small text-muted text-uppercase">Linked invoice</div>
            <div>
                @if($repairOrder->garage_sale_id)
                    <a href="{{ route('garage.sales.show', $repairOrder->garage_sale_id) }}">Sale #{{ $repairOrder->garage_sale_id }}</a>
                @else
                    —
                @endif
            </div>
        </div>
        <div class="col-md-3">
            <div class="small text-muted text-uppercase">Linked job card</div>
            <div>
                @if(!empty($linkedWorkOrder) && !empty($linkedWorkOrder->id))
                    <a href="{{ route('garage.work-orders.show', $linkedWorkOrder->id) }}">
                        {{ $linkedWorkOrder->work_order_number ?? ('Job card #'.$linkedWorkOrder->id) }}
                    </a>
                    @if(!empty($linkedWorkOrder->status))
                        <span class="badge bg-light text-dark border ms-1">{{ str_replace('_',' ', $linkedWorkOrder->status) }}</span>
                    @endif
                @else
                    —
                @endif
            </div>
        </div>
        @if($repairOrder->complaint)
            <div class="col-12">
                <div class="small text-muted text-uppercase">Complaint</div>
                <div>{{ $repairOrder->complaint }}</div>
            </div>
        @endif
    </div>

    @php
        $roAdvanceShow = (float) ($repairOrder->advance_amount ?? 0);
    @endphp
    @if($roAdvanceShow > 0 && (!isset($orderVouchers) || count($orderVouchers) === 0))
        <div class="alert alert-warning py-2 small mb-3">
            Advance of <strong>PKR {{ number_format($roAdvanceShow, 2) }}</strong> is recorded on this order, but no linked journal voucher was found.
            Check <a href="{{ route('garage.accounting-settings.edit') }}">Accounting Settings → Orders account</a>,
            run <code>php artisan migrate</code>, or edit the order and save again with the same advance amount.
        </div>
    @endif

    @if(isset($orderVouchers) && count($orderVouchers) > 0)
        <div class="card mb-4">
            <div class="card-header bg-white d-flex justify-content-between align-items-center">
                <span class="fw-semibold">Vouchers</span>
                <a href="{{ route('garage.repair-orders.vouchers', $repairOrder->id) }}" class="btn btn-sm btn-outline-primary">View all</a>
            </div>
            <div class="table-responsive">
                <table class="table table-sm mb-0">
                    <thead>
                        <tr>
                            <th>Purpose</th>
                            <th>Type</th>
                            <th>Voucher #</th>
                            <th>Date</th>
                            <th class="text-end">Amount</th>
                            <th>Status</th>
                            <th></th>
                        </tr>
                    </thead>
                    <tbody>
                        @foreach($orderVouchers as $v)
                            <tr class="{{ ($v->status ?? '') === 'cancelled' ? 'table-secondary text-muted' : '' }}">
                                <td class="text-capitalize">{{ str_replace('_', ' ', (string) ($v->purpose ?? 'order')) }}</td>
                                <td class="text-capitalize">{{ (string) ($v->voucher_type ?? '') }}</td>
                                <td class="font-monospace">{{ $v->voucher_no ?? '—' }}</td>
                                <td>{{ $v->voucher_date ?? '—' }}</td>
                                <td class="text-end">{{ number_format((float) ($v->total_amount ?? $v->link_amount ?? 0), 2) }}</td>
                                <td class="text-capitalize">{{ $v->status ?? '—' }}</td>
                                <td class="text-end">
                                    @if(!empty($v->id))
                                        <a class="btn btn-sm btn-outline-primary py-0" href="{{ route('garage.vouchers.show', $v->id) }}">Open</a>
                                    @endif
                                </td>
                            </tr>
                        @endforeach
                    </tbody>
                </table>
            </div>
        </div>
    @endif

    <h2 class="h6 text-uppercase text-muted mb-2">Parts used</h2>
    <div class="table-responsive border rounded bg-white mb-3">
        <table class="table table-sm mb-0 align-middle">
            <thead class="table-light">
                <tr>
                    <th>Part</th>
                    <th class="text-end">Qty</th>
                    <th class="text-end">Unit</th>
                    <th class="text-end">Disc</th>
                    <th class="text-end">Tax</th>
                    <th class="text-end">Total</th>
                </tr>
            </thead>
            <tbody>
                @foreach($items as $it)
                    <tr>
                        <td>{{ $it->product_name ?? ('Part #'.$it->part_id) }}</td>
                        <td class="text-end">{{ $it->quantity }}</td>
                        <td class="text-end">PKR {{ number_format((float) $it->unit_price, 2) }}</td>
                        <td class="text-end">{{ number_format((float) $it->discount_amount, 2) }} <span class="text-muted small">{{ $it->discount_type }}</span></td>
                        <td class="text-end">{{ number_format((float) $it->tax_amount, 2) }}</td>
                        <td class="text-end fw-semibold">PKR {{ number_format((float) $it->line_total, 2) }}</td>
                    </tr>
                @endforeach
            </tbody>
        </table>
    </div>

    <div class="d-flex justify-content-end mb-4">
        <div class="small text-muted">
            Parts total:
            <span class="fw-bold text-dark">PKR {{ number_format((float) $partsSub, 2) }}</span>
        </div>
    </div>

    <h2 class="h6 text-uppercase text-muted mb-2">Services</h2>
    <div class="table-responsive border rounded bg-white mb-3">
        <table class="table table-sm mb-0 align-middle">
            <thead class="table-light">
                <tr>
                    <th>Service</th>
                    <th class="text-end">Qty</th>
                    <th class="text-end">Rate</th>
                    <th class="text-end">Total</th>
                </tr>
            </thead>
            <tbody>
                @forelse($services as $s)
                    @php
                        $svcLine = (float) ($s->line_total ?? 0);
                        if ($svcLine <= 0) {
                            $svcLine = (float) ($s->hours ?? 0) * (float) ($s->rate ?? 0);
                        }
                    @endphp
                    <tr>
                        <td>{{ $s->title ?? 'Service' }}</td>
                        <td class="text-end">{{ number_format((float) ($s->hours ?? 0), 0) }}</td>
                        <td class="text-end">PKR {{ number_format((float) ($s->rate ?? 0), 2) }}</td>
                        <td class="text-end fw-semibold">PKR {{ number_format((float) $svcLine, 2) }}</td>
                    </tr>
                @empty
                    <tr>
                        <td colspan="4" class="text-center text-muted py-3">No services.</td>
                    </tr>
                @endforelse
            </tbody>
        </table>
    </div>

    <div class="d-flex justify-content-end mb-2">
        <div class="small text-muted">
            Services total:
            <span class="fw-bold text-dark">PKR {{ number_format((float) $servicesSub, 2) }}</span>
        </div>
    </div>

    <div class="d-flex justify-content-end">
        <div class="small text-muted text-end">
            Subtotal: <span class="fw-bold text-dark">PKR {{ number_format((float) $subBeforeHeader, 2) }}</span><br>
            Discount (applied): <span class="fw-bold text-dark">PKR {{ number_format((float) $hdrDiscAppliedFinal, 2) }}</span><br>
            Tax: <span class="fw-bold text-dark">PKR {{ number_format((float) ($repairOrder->tax_amount ?? 0), 2) }}</span><br>
            Freight: <span class="fw-bold text-dark">PKR {{ number_format((float) ($repairOrder->freight_amount ?? 0), 2) }}</span><br>
            Grand total: <span class="fw-bold text-dark">PKR {{ number_format((float) ($repairOrder->grand_total ?? 0), 2) }}</span><br>
            @php
                $roAdvance = (float) ($repairOrder->advance_amount ?? 0);
                $roBalance = max(0, (float) ($repairOrder->grand_total ?? 0) - $roAdvance);
            @endphp
            Advance: <span class="fw-bold text-dark">PKR {{ number_format($roAdvance, 2) }}</span><br>
            Balance due: <span class="fw-bold text-primary">PKR {{ number_format($roBalance, 2) }}</span>
        </div>
    </div>

    @include('garage.partials.vehicle-mileage-history', [
        'mileageTimeline' => $mileageTimeline ?? collect(),
        'vehicleOdometer' => $vehicleOdometer ?? null,
    ])
</div>
@endsection