@extends('reports.pdf.layout')

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

@php
    $meta         = $data['meta'];
    $kpis         = $data['kpis'];
    $monthly      = $data['monthly'];
    $alternatives = $data['alternatives'];

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

    $toneBg    = ['danger' => '#FEE2E2', 'warning' => '#FEF3C7', 'success' => '#D1FAE5', 'neutral' => '#F3F4F6'];
    $toneColor = ['danger' => '#991B1B', 'warning' => '#92400E', 'success' => '#065F46', 'neutral' => '#374151'];

    $barW = 480; $barH = 170; $barPadX = 30; $barPadY = 22;
    $maxV = 0;
    foreach ($monthly as $m) { $maxV = max($maxV, (int) $m['total']); }
    $maxV = max($maxV, 1);
    $barCount = count($monthly);
    $barSlot = $barCount > 0 ? ($barW - 2 * $barPadX) / $barCount : 0;
    $barWidth = $barSlot * 0.55;

    $stack = [
        ['key' => 'leasing',     'color' => '#8B5CF6', 'label' => 'Loyer LLD'],
        ['key' => 'fuel',        'color' => '#10B981', 'label' => 'Carburant'],
        ['key' => 'maintenance', 'color' => '#F59E0B', 'label' => 'Maintenance'],
        ['key' => 'insurance',   'color' => '#3B82F6', 'label' => 'Assurance'],
        ['key' => 'other',       'color' => '#6B7280', 'label' => 'Autre'],
    ];
@endphp

@section('content')
    <div class="header-band" style="background-color: #8B5CF6;">
        <div class="eyebrow">DADYCAR FLEET MANAGER</div>
        <h1 class="title">{{ $meta['title'] }}</h1>
        <div class="meta">
            <span class="badge">Autopartage & Pool</span>
            <span class="badge">{{ $meta['code'] }}</span>
            Période : {{ $meta['period']['label'] }} · {{ $meta['site_label'] }} ·
            {{ $meta['pool_count'] }} véhicules pool ·
            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">Coût total pool</div>
                <div class="kpi-value">{{ $fmtNum($kpis['total_cost_pool']['value']) }}<span class="kpi-unit">{{ $kpis['total_cost_pool']['unit'] }}</span></div>
                <div class="kpi-delta delta-flat">{{ $kpis['total_cost_pool']['delta_label'] }}</div>
            </div>
            <div class="kpi-card">
                <div class="kpi-label">Coût par réservation</div>
                <div class="kpi-value">{{ $fmtNum($kpis['cost_per_reservation']['value']) }}<span class="kpi-unit">{{ $kpis['cost_per_reservation']['unit'] }}</span></div>
                <div class="kpi-delta delta-flat">{{ $kpis['cost_per_reservation']['delta_label'] }}</div>
            </div>
            <div class="kpi-card">
                <div class="kpi-label">Coût par km</div>
                <div class="kpi-value">{{ $kpis['cost_per_km_pool']['value'] !== null ? number_format($kpis['cost_per_km_pool']['value'], 1, ',', ' ') : '—' }}<span class="kpi-unit">{{ $kpis['cost_per_km_pool']['unit'] }}</span></div>
                <div class="kpi-delta delta-flat">{{ $kpis['cost_per_km_pool']['delta_label'] }}</div>
            </div>
            <div class="kpi-card">
                <div class="kpi-label">Économie vs alt.</div>
                <div class="kpi-value">{{ $fmtNum($kpis['savings_vs_alt']['value']) }}<span class="kpi-unit">{{ $kpis['savings_vs_alt']['unit'] }}</span></div>
                <div class="kpi-delta delta-up">{{ $kpis['savings_vs_alt']['delta_label'] }}</div>
            </div>
        </div>
    </div>

    <h3 class="section-title">Décomposition des coûts mensuels (€)</h3>
    @if ($maxV > 0)
        <svg width="{{ $barW }}" height="{{ $barH }}" viewBox="0 0 {{ $barW }} {{ $barH }}" xmlns="http://www.w3.org/2000/svg" style="background: #F9FAFB; border: 1pt solid #E5E7EB; border-radius: 4pt;">
            <line x1="{{ $barPadX }}" y1="{{ $barH - $barPadY }}" x2="{{ $barW - $barPadX }}" y2="{{ $barH - $barPadY }}" stroke="#D1D5DB" stroke-width="0.5"/>
            @foreach ($monthly as $i => $m)
                @php
                    $x = $barPadX + $i * $barSlot + ($barSlot - $barWidth) / 2;
                    $cumulative = 0;
                @endphp
                @foreach ($stack as $s)
                    @php
                        $val = (float) ($m[$s['key']] ?? 0);
                        if ($val <= 0) continue;
                        $h = $maxV > 0 ? ($val / $maxV) * ($barH - 2 * $barPadY) : 0;
                        $y = $barH - $barPadY - $cumulative - $h;
                        $cumulative += $h;
                    @endphp
                    <rect x="{{ $x }}" y="{{ $y }}" width="{{ $barWidth }}" height="{{ $h }}" fill="{{ $s['color'] }}" />
                @endforeach
                <text x="{{ $x + $barWidth / 2 }}" y="{{ $barH - $barPadY + 12 }}" font-size="8" text-anchor="middle" fill="#6B7280">{{ $m['label'] }}</text>
            @endforeach
        </svg>
        <div style="font-size: 8pt; color: #6B7280; margin-top: 3pt;">
            @foreach ($stack as $s)
                <span style="display:inline-block;width:7pt;height:7pt;background:{{ $s['color'] }};border-radius:1pt;margin-right:5pt;"></span>{{ $s['label'] }}@if (! $loop->last) <span style="margin-right: 8pt;"></span>@endif
            @endforeach
        </div>
    @else
        <p style="color:#6B7280; font-style: italic;">Pas de données.</p>
    @endif

    <h3 class="section-title">Comparaison avec les alternatives (€/réservation)</h3>
    @if (!empty($alternatives))
        <table class="data">
            <tr>
                <th>Alternative</th>
                <th class="num">Coût/rés.</th>
                <th class="num">Évolution</th>
                <th>Verdict</th>
            </tr>
            @foreach ($alternatives as $r)
                @php
                    $tone = $r['tone'] ?? 'neutral';
                    $bg = $toneBg[$tone]; $fg = $toneColor[$tone];
                @endphp
                <tr>
                    <td>{{ $r['label'] }}</td>
                    <td class="num">{{ $r['amount'] }}</td>
                    <td class="num">{{ $r['detail'] }}</td>
                    <td><span style="display: inline-block; padding: 1pt 6pt; border-radius: 999pt; background: {{ $bg }}; color: {{ $fg }}; font-size: 7.5pt; font-weight: 600;">{{ $r['note'] }}</span></td>
                </tr>
            @endforeach
        </table>
    @else
        <p style="color:#6B7280; font-style: italic;">Pas d'alternatives à comparer.</p>
    @endif
@endsection