@extends('reports.pdf.layout')

@section('title', $data['meta']['title'])

@php
    $meta   = $data['meta'];
    $k      = $data['kpis'];
    $series = $data['monthly_series'];
    $top    = $data['top_consumers'];

    $fmtNum = function ($v, $unit = '') {
        if ($v === null) return '—';
        $s = is_numeric($v) ? number_format((float) $v, ((float) $v) == (int) $v ? 0 : 1, ',', ' ') : (string) $v;
        return trim($s . ' ' . $unit);
    };

    // Line chart geometry — liters per month.
    $chartW = 480; $chartH = 140; $padX = 30; $padY = 18;
    $values = array_map(fn ($r) => (float) $r['liters'], $series);
    $minV = !empty($values) ? min($values) : 0;
    $maxV = !empty($values) ? max($values) : 1;
    if ($minV === $maxV) { $maxV = $minV + 1; }
    $stepX = count($series) > 1 ? ($chartW - 2 * $padX) / (count($series) - 1) : 0;
    $points = [];
    foreach ($series as $i => $r) {
        $x = $padX + $i * $stepX;
        $y = $chartH - $padY - (((float) $r['liters'] - $minV) / ($maxV - $minV)) * ($chartH - 2 * $padY);
        $points[] = ['x' => $x, 'y' => $y, 'label' => $r['label'], 'value' => (float) $r['liters']];
    }
    $polyline = implode(' ', array_map(fn ($p) => "{$p['x']},{$p['y']}", $points));
@endphp

@section('content')
    <div class="header-band">
        <div class="eyebrow">DADYCAR FLEET MANAGER</div>
        <h1 class="title">{{ $meta['title'] }}</h1>
        <div class="meta">
            <span class="badge">Carburant &amp; Énergie</span>
            <span class="badge">{{ $meta['code'] }}</span>
            Période : {{ $meta['period']['label'] }} · {{ $meta['site_label'] }} ·
            {{ $meta['total_vehicles'] }} véhicules thermiques ·
            Généré le {{ $meta['generated_at']->locale('fr')->isoFormat('D MMMM YYYY') }}
        </div>
    </div>

    <h3 class="section-title">Indicateurs clés</h3>
    <div class="kpi-grid">
        <div class="kpi-row">
            <div class="kpi-card">
                <div class="kpi-label">Volume total</div>
                <div class="kpi-value">{{ $fmtNum($k['total_volume']['value']) }}<span class="kpi-unit">{{ $k['total_volume']['unit'] }}</span></div>
                <div class="kpi-delta delta-flat">{{ $k['total_volume']['delta_label'] }}</div>
            </div>
            <div class="kpi-card">
                <div class="kpi-label">Consommation moyenne</div>
                <div class="kpi-value">{{ $fmtNum($k['avg_consumption']['value']) }}<span class="kpi-unit">{{ $k['avg_consumption']['unit'] }}</span></div>
                <div class="kpi-delta delta-flat">{{ $k['avg_consumption']['delta_label'] }}</div>
            </div>
            <div class="kpi-card">
                <div class="kpi-label">Coût total carburant</div>
                <div class="kpi-value">{{ $fmtNum($k['total_cost']['value']) }}<span class="kpi-unit">{{ $k['total_cost']['unit'] }}</span></div>
                <div class="kpi-delta delta-flat">{{ $k['total_cost']['delta_label'] }}</div>
            </div>
            <div class="kpi-card">
                <div class="kpi-label">Coût moyen / véhicule</div>
                <div class="kpi-value">{{ $fmtNum($k['avg_cost_per_vehicle']['value']) }}<span class="kpi-unit">{{ $k['avg_cost_per_vehicle']['unit'] }}</span></div>
                <div class="kpi-delta delta-flat">{{ $k['avg_cost_per_vehicle']['delta_label'] }}</div>
            </div>
        </div>
    </div>

    <h3 class="section-title">Consommation par mois (6 mois)</h3>
    @if (!empty($points))
        <svg width="{{ $chartW }}" height="{{ $chartH }}" viewBox="0 0 {{ $chartW }} {{ $chartH }}" xmlns="http://www.w3.org/2000/svg" style="background: #F9FAFB; border: 1pt solid #E5E7EB; border-radius: 4pt;">
            <line x1="{{ $padX }}" y1="{{ $chartH - $padY }}" x2="{{ $chartW - $padX }}" y2="{{ $chartH - $padY }}" stroke="#D1D5DB" stroke-width="0.5"/>
            <polyline points="{{ $polyline }}" fill="none" stroke="#10B981" stroke-width="2" />
            @foreach ($points as $p)
                <circle cx="{{ $p['x'] }}" cy="{{ $p['y'] }}" r="3" fill="#10B981" />
                <text x="{{ $p['x'] }}" y="{{ $chartH - $padY + 12 }}" font-size="8" text-anchor="middle" fill="#6B7280">{{ $p['label'] }}</text>
                <text x="{{ $p['x'] }}" y="{{ $p['y'] - 6 }}" font-size="7" text-anchor="middle" fill="#374151">{{ number_format($p['value'], 0, ',', ' ') }} L</text>
            @endforeach
        </svg>
    @else
        <p style="color:#6B7280; font-style: italic;">Pas de données carburant pour la période.</p>
    @endif

    <h3 class="section-title">Top consommateurs thermiques</h3>
    @if (!empty($top))
        <table class="data">
            <thead>
                <tr>
                    <th>Immatriculation</th>
                    <th>Marque / Modèle</th>
                    <th>Énergie</th>
                    <th class="num">Volume (L)</th>
                    <th class="num">Coût (€)</th>
                    <th class="num">Km parcourus</th>
                    <th class="num">L/100km</th>
                </tr>
            </thead>
            <tbody>
                @foreach ($top as $r)
                    <tr>
                        <td>{{ $r['plate'] ?? '—' }}</td>
                        <td>{{ $r['model'] }}</td>
                        <td>{{ $r['motor'] }}</td>
                        <td class="num">{{ number_format($r['liters'], 1, ',', ' ') }}</td>
                        <td class="num">{{ number_format($r['cost'], 2, ',', ' ') }}</td>
                        <td class="num">{{ $r['km'] !== null ? number_format($r['km'], 0, ',', ' ') : '—' }}</td>
                        <td class="num">{{ $r['consumption'] !== null ? number_format($r['consumption'], 2, ',', ' ') : '—' }}</td>
                    </tr>
                @endforeach
            </tbody>
        </table>
    @else
        <p style="color:#6B7280; font-style: italic;">Aucune entrée carburant sur la période.</p>
    @endif
@endsection