@extends('layout.app')
@section('title', 'Trip Sheet #' . $tripSheet->trip_sheet_no)

@push('header_script')
<style>
    .trip-detail-card { border-left: 4px solid #4e73df; }
    .trip-detail-card.expense { border-left-color: #e74a3b; }
    .trip-detail-card.profit { border-left-color: #1cc88a; }
    .detail-label { font-size: 0.8rem; color: #6c757d; margin-bottom: 2px; }
    .detail-value { font-weight: 600; font-size: 1rem; }
    @media print {
        .no-print { display: none !important; }
        .card { border: 1px solid #dee2e6 !important; box-shadow: none !important; }
    }
</style>
@endpush

@section('content')
    <div class="app-hero-header d-flex align-items-center no-print">
        <ol class="breadcrumb">
            <li class="breadcrumb-item">
                <a href="javascript:void(0);">Trip Sheet</a>
            </li>
            <li class="breadcrumb-item">
                <a href="{{ route('trip-sheet.index') }}">Trip Sheet List</a>
            </li>
            <li class="breadcrumb-item active" aria-current="page">Trip Sheet #{{ $tripSheet->trip_sheet_no }}</li>
        </ol>
        <div class="ms-auto d-lg-flex flex-row">
            <div class="d-flex flex-row gap-1">
                <a href="{{ route('trip-sheet.edit', $tripSheet->id) }}" class="btn btn-sm btn-outline-success">
                    <i class="ri-edit-box-line"></i> Edit
                </a>
                <a href="{{ route('trip-sheet.print', $tripSheet->id) }}" class="btn btn-sm btn-outline-info" target="_blank">
                    <i class="ri-printer-line"></i> Print
                </a>
                <a href="{{ route('trip-sheet.index') }}" class="btn btn-sm btn-outline-primary">
                    <i class="ri-skip-back-line"></i> Back
                </a>
            </div>
        </div>
    </div>

    <div class="app-body">
        <div class="row gx-3">

            {{-- ======================== TRIP INFO CARD ======================== --}}
            <div class="col-sm-12">
                <div class="card trip-detail-card">
                    <div class="card-header bg-light d-flex align-items-center">
                        <h6 class="mb-0"><i class="ri-file-list-3-line"></i> Trip Sheet #{{ $tripSheet->trip_sheet_no }}</h6>
                        <div class="ms-auto">
                            @php
                                $badges = ['Draft' => 'secondary', 'In Progress' => 'warning', 'Completed' => 'success'];
                                $badge = $badges[$tripSheet->status] ?? 'secondary';
                            @endphp
                            <span class="badge bg-{{ $badge }} fs-6">{{ $tripSheet->status }}</span>
                        </div>
                    </div>
                    <div class="card-body">
                        <div class="row g-3">
                            <div class="col-md-3">
                                <div class="detail-label">Date</div>
                                <div class="detail-value">{{ \Carbon\Carbon::parse($tripSheet->date)->format('d-M-Y') }}</div>
                            </div>
                            <div class="col-md-3">
                                <div class="detail-label">Vehicle No.</div>
                                <div class="detail-value">{{ $tripSheet->vehicle->vehicle_no ?? 'N/A' }}</div>
                            </div>
                            <div class="col-md-3">
                                <div class="detail-label">Driver</div>
                                <div class="detail-value">{{ $tripSheet->driver->employee_name ?? $tripSheet->driver_name ?? 'N/A' }}</div>
                            </div>
                            <div class="col-md-3">
                                <div class="detail-label">Linked LR No.</div>
                                <div class="detail-value">
                                    @if($tripSheet->freightEntry)
                                        <a href="{{ route('freight-entry.edit', $tripSheet->freight_entry_id) }}" class="text-primary" target="_blank">
                                            LR-{{ $tripSheet->freightEntry->lr_no }} <i class="ri-external-link-line"></i>
                                        </a>
                                    @else
                                        N/A
                                    @endif
                                </div>
                            </div>
                            <div class="col-md-3">
                                <div class="detail-label">Route</div>
                                <div class="detail-value">{{ $tripSheet->from_location }} → {{ $tripSheet->to_location }}</div>
                            </div>

                            @if($tripSheet->start_km || $tripSheet->end_km)
                            <div class="col-md-3">
                                <div class="detail-label">KM Reading</div>
                                <div class="detail-value">{{ $tripSheet->start_km ?? '-' }} → {{ $tripSheet->end_km ?? '-' }}
                                    @if($tripSheet->total_km)
                                        <small class="text-muted">({{ $tripSheet->total_km }} km)</small>
                                    @endif
                                </div>
                            </div>
                            @endif

                            @if($tripSheet->start_time)
                            <div class="col-md-3">
                                <div class="detail-label">Start Time</div>
                                <div class="detail-value">{{ $tripSheet->start_time->format('d-M-Y h:i A') }}</div>
                            </div>
                            @endif

                            @if($tripSheet->end_time)
                            <div class="col-md-3">
                                <div class="detail-label">End Time</div>
                                <div class="detail-value">{{ $tripSheet->end_time->format('d-M-Y h:i A') }}</div>
                            </div>
                            @endif
                        </div>
                    </div>
                </div>
            </div>

            @php
                $metrics = \App\Services\TripPerformanceCalculator::calculate($tripSheet);
            @endphp

            {{-- ======================== EXPENSES TABLE ======================== --}}
            <div class="col-sm-8 mt-3">
                <div class="card trip-detail-card expense">
                    <div class="card-header bg-light">
                        <h6 class="mb-0"><i class="ri-money-dollar-circle-line"></i> Trip Expenses</h6>
                    </div>
                    <div class="card-body p-0">
                        <div class="table-responsive">
                            <table class="table table-bordered mb-0 align-middle">
                                <thead class="table-light">
                                    <tr>
                                        <th width="40" class="text-center">#</th>
                                        <th>Expense Type</th>
                                        <th width="120" class="text-center">Diesel Litres</th>
                                        <th class="text-end">Amount (₹)</th>
                                        <th>Date</th>
                                        <th>Remarks</th>
                                    </tr>
                                </thead>
                                <tbody>
                                    @forelse($tripSheet->expenses as $index => $expense)
                                    <tr>
                                        <td class="text-center">{{ $index + 1 }}</td>
                                        <td>
                                            <span class="badge bg-light text-dark">{{ $expense->expense_type }}</span>
                                        </td>
                                        <td class="text-center">
                                            @if(strcasecmp($expense->expense_type, 'Diesel') === 0 && $expense->litres)
                                                <span class="badge bg-warning text-dark fw-bold">{{ number_format($expense->litres, 2) }} L</span>
                                            @else
                                                <span class="text-muted">—</span>
                                            @endif
                                        </td>
                                        <td class="text-end fw-bold">{{ number_format($expense->amount, 2) }}</td>
                                        <td>{{ \Carbon\Carbon::parse($expense->expense_date)->format('d-M-Y') }}</td>
                                        <td>{{ $expense->remarks ?? '-' }}</td>
                                    </tr>
                                    @empty
                                    <tr>
                                        <td colspan="6" class="text-center text-muted py-3">No expenses recorded yet.</td>
                                    </tr>
                                    @endforelse
                                </tbody>
                                <tfoot>
                                    <tr class="table-light fw-bold">
                                        <td colspan="2" class="text-end">Total:</td>
                                        <td class="text-center text-warning">{{ $metrics['total_diesel_litres'] > 0 ? number_format($metrics['total_diesel_litres'], 2) . ' L' : '—' }}</td>
                                        <td class="text-end text-danger">₹ {{ number_format($metrics['total_expenses'], 2) }}</td>
                                        <td colspan="2"></td>
                                    </tr>
                                </tfoot>
                            </table>
                        </div>
                    </div>
                </div>
            </div>

            {{-- ======================== PROFIT / LOSS & PERFORMANCE CARD ======================== --}}
            <div class="col-sm-4 mt-3">
                <div class="card trip-detail-card profit">
                    <div class="card-header bg-light">
                        <h6 class="mb-0"><i class="ri-bar-chart-box-line"></i> Profitability &amp; Performance</h6>
                    </div>
                    <div class="card-body">
                        <div class="d-flex justify-content-between align-items-center mb-2 pb-2 border-bottom">
                            <span class="text-muted">Total Revenue</span>
                            <span class="text-primary fw-bold fs-5">₹ {{ number_format($metrics['total_revenue'], 2) }}</span>
                        </div>
                        <div class="d-flex justify-content-between align-items-center mb-2 pb-2 border-bottom">
                            <span class="text-muted">Total Expenses</span>
                            <span class="text-danger fw-bold fs-5">₹ {{ number_format($metrics['total_expenses'], 2) }}</span>
                        </div>
                        <div class="d-flex justify-content-between align-items-center mb-3">
                            <span class="fw-bold">Net Profit / Loss</span>
                            @php $pl = $metrics['profit_loss']; @endphp
                            <span class="fw-bold fs-4 {{ $pl >= 0 ? 'text-success' : 'text-danger' }}">
                                {{ $pl >= 0 ? '+' : '' }}₹ {{ number_format(abs($pl), 2) }}
                            </span>
                        </div>

                        <div class="border-top pt-2 mt-2">
                            <div class="row g-2 text-center text-md-start">
                                <div class="col-6 mb-2">
                                    <small class="text-muted d-block">Diesel Litres</small>
                                    <span class="fw-bold text-warning">{{ number_format($metrics['total_diesel_litres'], 2) }} L</span>
                                </div>
                                <div class="col-6 mb-2">
                                    <small class="text-muted d-block">Calculated Mileage</small>
                                    <span class="fw-bold text-success">{{ number_format($metrics['mileage'], 2) }} km/L</span>
                                </div>
                                <div class="col-6 mb-2">
                                    <small class="text-muted d-block">Cost Per KM</small>
                                    <span class="fw-bold text-danger">₹ {{ number_format($metrics['cost_per_km'], 2) }}</span>
                                </div>
                                <div class="col-6 mb-2">
                                    <small class="text-muted d-block">Income Per KM</small>
                                    <span class="fw-bold text-primary">₹ {{ number_format($metrics['income_per_km'], 2) }}</span>
                                </div>
                                <div class="col-12">
                                    <small class="text-muted d-block">Diesel Cost / KM</small>
                                    <span class="fw-bold text-dark">₹ {{ number_format($metrics['diesel_cost_per_km'], 2) }}</span>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>

                @if($tripSheet->remarks)
                <div class="card mt-3">
                    <div class="card-header bg-light">
                        <h6 class="mb-0"><i class="ri-chat-3-line"></i> Remarks</h6>
                    </div>
                    <div class="card-body">
                        <p class="mb-0">{{ $tripSheet->remarks }}</p>
                    </div>
                </div>
                @endif
            </div>

        </div>
    </div>
@endsection