@extends('reports.pdf.layout')

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

@php
    use Illuminate\Support\Number;

    $meta   = $data['meta'];
    $kpis   = $data['kpis_strategic'];
    $safety = $data['kpis_safety'];
    $series = $data['monthly_series'];
    $break  = $data['expense_breakdown'];

    $fmtNum = function ($v, $unit = '') {
        if ($v === null) return '—';
        $s = is_numeric($v) ? number_format((float) $v, 0, ',', ' ') : (string) $v;
        return trim($s . ' ' . $unit);
    };
    $fmtDelta = function ($v, $unit = '%') {
        if ($v === null) return null;
        $sign = $v > 0 ? '+' : '';
        return $sign . number_format((float) $v, 1, ',', ' ') . $unit;
    };
    $deltaClass = function ($v, bool $maximize = true) {
        if ($v === null || $v == 0) return 'delta-flat';
        $up = $v > 0;
        return ($up === $maximize) ? 'delta-up' : 'delta-down';
    };

    // Pie chart geometry — single SVG slice path per segment. A 360° slice
    // (single category covering 100%) collapses to a degenerate arc that
    // wkhtmltopdf won't render, so we mark those for a full-circle fallback.
    $pieRadius = 60; $pieCx = 70; $pieCy = 70;
    $pieColors = ['#3B82F6', '#10B981', '#F59E0B', '#EF4444', '#8B5CF6', '#06B6D4', '#EC4899', '#6B7280'];
    $totalPie = array_sum(array_map(fn ($b) => $b['amount'], $break));
    $pieSlices = [];
    $accAngle = -90;
    foreach ($break as $i => $b) {
        if ($totalPie <= 0) break;
        $sweep = ($b['amount'] / $totalPie) * 360;
        $isFull = $sweep >= 359.999;

        if ($isFull) {
            $path = null; // renderer draws a <circle> instead
        } else {
            $rad1 = deg2rad($accAngle);
            $rad2 = deg2rad($accAngle + $sweep);
            $x1 = $pieCx + $pieRadius * cos($rad1); $y1 = $pieCy + $pieRadius * sin($rad1);
            $x2 = $pieCx + $pieRadius * cos($rad2); $y2 = $pieCy + $pieRadius * sin($rad2);
            $largeArc = $sweep > 180 ? 1 : 0;
            $path = sprintf(
                'M %s %s L %.2f %.2f A %s %s 0 %d 1 %.2f %.2f Z',
                $pieCx, $pieCy, $x1, $y1, $pieRadius, $pieRadius, $largeArc, $x2, $y2
            );
        }

        $pieSlices[] = [
            'path'  => $path,
            'color' => $pieColors[$i % count($pieColors)],
            'label' => $b['label'],
            'pct'   => $b['percent'],
            'amt'   => $b['amount'],
        ];
        $accAngle += $sweep;
    }

    // Line chart geometry — TCO per vehicle over the months.
    $chartW = 480; $chartH = 140; $padX = 30; $padY = 18;
    $values = array_filter(array_map(fn ($r) => $r['tco_per_vehicle'], $series), fn ($v) => $v !== null);
    $minV = !empty($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 => $r) {
        if ($r['tco_per_vehicle'] === null) continue;
        $x = $padX + $i * $stepX;
        $y = $chartH - $padY - (($r['tco_per_vehicle'] - $minV) / ($maxV - $minV)) * ($chartH - 2 * $padY);
        $points[] = ['x' => $x, 'y' => $y, 'label' => $r['label'], 'value' => $r['tco_per_vehicle']];
    }
    $polyline = implode(' ', array_map(fn ($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">Synthèse globale</span>
            <span class="badge">{{ $meta['code'] }}</span>
            Période : {{ $meta['period']['label'] }} · {{ $meta['site_label'] }} ·
            {{ $meta['total_vehicles'] }} véhicules ·
            Généré le {{ $meta['generated_at']->locale('fr')->isoFormat('D MMMM YYYY') }}
        </div>
    </div>

    <h3 class="section-title">Indicateurs stratégiques</h3>
    <div class="kpi-grid">
        <div class="kpi-row">
            <div class="kpi-card">
                <div class="kpi-label">TCO moyen / véhicule</div>
                <div class="kpi-value">{{ $fmtNum($kpis['tco_per_vehicle']['value']) }}<span class="kpi-unit">{{ $kpis['tco_per_vehicle']['unit'] }}</span></div>
                @if ($kpis['tco_per_vehicle']['delta'] !== null)
                    <div class="kpi-delta {{ $deltaClass($kpis['tco_per_vehicle']['delta'], false) }}">
                        {{ $fmtDelta($kpis['tco_per_vehicle']['delta']) }} {{ $kpis['tco_per_vehicle']['delta_label'] }}
                    </div>
                @else
                    <div class="kpi-delta delta-flat">{{ $kpis['tco_per_vehicle']['delta_label'] }}</div>
                @endif
            </div>
            <div class="kpi-card">
                <div class="kpi-label">Taux de disponibilité</div>
                <div class="kpi-value">{{ $fmtNum($kpis['availability']['value']) }}<span class="kpi-unit">{{ $kpis['availability']['unit'] }}</span></div>
                <div class="kpi-delta delta-flat">{{ $kpis['availability']['delta_label'] }}</div>
            </div>
            <div class="kpi-card">
                <div class="kpi-label">Score éco-conduite</div>
                <div class="kpi-value">{{ $fmtNum($kpis['eco_score']['value']) }}<span class="kpi-unit">{{ $kpis['eco_score']['unit'] }}</span></div>
                <div class="kpi-delta delta-flat">{{ $kpis['eco_score']['delta_label'] }}</div>
            </div>
            <div class="kpi-card">
                <div class="kpi-label">Coût total</div>
                <div class="kpi-value">{{ $fmtNum($kpis['total_cost']['value']) }}<span class="kpi-unit">{{ $kpis['total_cost']['unit'] }}</span></div>
                @if ($kpis['total_cost']['delta'] !== null)
                    <div class="kpi-delta {{ $deltaClass($kpis['total_cost']['delta'], false) }}">
                        {{ $fmtDelta($kpis['total_cost']['delta']) }} vs période précédente
                    </div>
                @else
                    <div class="kpi-delta delta-flat">{{ $kpis['total_cost']['delta_label'] }}</div>
                @endif
            </div>
        </div>
    </div>

    <h3 class="section-title">Évolution mensuelle — TCO par véhicule (6 mois)</h3>
    @if (!empty($points))
        {{-- wkhtmltopdf 0.12.x renders SVGs with width="100%" at 0×0 — pin pixel size. --}}
        <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="{{ $polyline }}" fill="none" stroke="#3B82F6" stroke-width="2" />
            @foreach ($points as $p)
                <circle cx="{{ $p['x'] }}" cy="{{ $p['y'] }}" r="3" fill="#3B82F6" />
                <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, ',', ' ') }}</text>
            @endforeach
        </svg>
    @else
        <p style="color:#6B7280; font-style: italic;">Pas de données de coût pour la période.</p>
    @endif

    <div class="two-col" style="margin-top: 12pt;">
        <div class="col">
            <h3 class="section-title">Répartition des dépenses ({{ $meta['period']['label'] }})</h3>
            @if (!empty($pieSlices))
                <table style="width: 100%; border-collapse: collapse;">
                    <tr>
                        <td style="vertical-align: middle; width: 150pt; padding-right: 8pt;">
                            <svg width="140" height="140" viewBox="0 0 140 140" xmlns="http://www.w3.org/2000/svg">
                                @foreach ($pieSlices as $s)
                                    @if ($s['path'] === null)
                                        <circle cx="{{ $pieCx }}" cy="{{ $pieCy }}" r="{{ $pieRadius }}" fill="{{ $s['color'] }}" stroke="#FFF" stroke-width="0.8" />
                                    @else
                                        <path d="{{ $s['path'] }}" fill="{{ $s['color'] }}" stroke="#FFF" stroke-width="0.8" />
                                    @endif
                                @endforeach
                            </svg>
                        </td>
                        <td style="vertical-align: middle;">
                            @foreach ($pieSlices as $s)
                                <div style="font-size: 8.5pt; padding: 1pt 0;">
                                    <span style="display:inline-block;width:7pt;height:7pt;background:{{ $s['color'] }};border-radius:1pt;margin-right:5pt;"></span>
                                    <strong>{{ $s['label'] }}</strong> — {{ number_format($s['amt'], 0, ',', ' ') }} € ({{ number_format($s['pct'], 1, ',', ' ') }} %)
                                </div>
                            @endforeach
                        </td>
                    </tr>
                </table>
            @else
                <p style="color:#6B7280; font-style: italic;">Aucune dépense dans la période.</p>
            @endif
        </div>
        <div class="col">
            <h3 class="section-title">Résumé exécutif — Points clés</h3>
            @php
                $kpToneBg    = ['success' => '#D1FAE5', 'warning' => '#FEF3C7', 'danger' => '#FEE2E2', 'neutral' => '#F3F4F6'];
                $kpToneColor = ['success' => '#065F46', 'warning' => '#92400E', 'danger' => '#991B1B', 'neutral' => '#374151'];
                $kpIcon      = ['success' => '✓', 'warning' => '!', 'danger' => '✕', 'neutral' => '·'];
            @endphp
            @if (!empty($data['key_points']))
                @foreach ($data['key_points'] as $p)
                    @php
                        $tone = $p['status'] ?? 'neutral';
                        $bg   = $kpToneBg[$tone] ?? $kpToneBg['neutral'];
                        $fg   = $kpToneColor[$tone] ?? $kpToneColor['neutral'];
                    @endphp
                    <div style="display: table; width: 100%; padding: 4pt 0; border-bottom: 0.5pt solid #F3F4F6;">
                        <span style="display: table-cell; width: 16pt; vertical-align: top;">
                            <span style="display: inline-block; width: 14pt; height: 14pt; line-height: 14pt; text-align: center; border-radius: 50%; background: {{ $bg }}; color: {{ $fg }}; font-weight: bold; font-size: 9pt;">{{ $kpIcon[$tone] ?? '·' }}</span>
                        </span>
                        <span style="display: table-cell; vertical-align: top; padding-left: 6pt; font-size: 9pt; color: #1F2937;">{{ $p['label'] }}</span>
                    </div>
                @endforeach
            @else
                <p style="color:#6B7280; font-style: italic;">Aucun point clé.</p>
            @endif
        </div>
    </div>

    <h3 class="section-title">Sécurité &amp; Conformité</h3>
    <div class="kpi-grid">
        <div class="kpi-row">
            <div class="kpi-card">
                <div class="kpi-label">Sinistres ouverts</div>
                <div class="kpi-value">{{ $fmtNum($safety['open_claims']['value']) }}</div>
                @php $cl = $safety['open_claims']; @endphp
                @if (!empty($cl['delta']) || $cl['delta'] === 0)
                    <div class="kpi-delta {{ $deltaClass($cl['delta'], false) }}">
                        @if ($cl['delta'] !== null && $cl['delta'] !== 0){{ ($cl['delta'] > 0 ? '+' : '') . $cl['delta'] }} @endif{{ $cl['delta_label'] }}
                    </div>
                @else
                    <div class="kpi-delta delta-flat">{{ $cl['delta_label'] }}</div>
                @endif
            </div>
            <div class="kpi-card">
                <div class="kpi-label">Taux de conformité</div>
                <div class="kpi-value">{{ $fmtNum($safety['compliance']['value']) }}<span class="kpi-unit">{{ $safety['compliance']['unit'] }}</span></div>
                <div class="kpi-delta delta-flat">{{ $safety['compliance']['delta_label'] }}</div>
            </div>
            <div class="kpi-card">
                <div class="kpi-label">Infractions</div>
                <div class="kpi-value">{{ $fmtNum($safety['infractions']['value']) }}</div>
                <div class="kpi-delta delta-flat">{{ $safety['infractions']['delta_label'] }}</div>
            </div>
            <div class="kpi-card">
                <div class="kpi-label">Alertes actives</div>
                <div class="kpi-value">{{ $fmtNum($safety['active_alerts']['value']) }}</div>
                <div class="kpi-delta delta-flat">{{ $safety['active_alerts']['delta_label'] }}</div>
            </div>
        </div>
    </div>
@endsection