@extends('layouts.app')

@section('title', 'Report e statistiche · FranCoach')

@section('content')
@php
    $periodLabels = ['week' => 'Settimana', 'month' => 'Mese', '90_days' => '90 giorni', '6_months' => '6 mesi', 'custom' => 'Personalizzato'];
    // Prima voce nera (non gialla): come tratto di linea sottile su sfondo bianco
    // il giallo fluorescente del brand avrebbe un contrasto reale di ~1,3:1.
    $chartColors = ['#121212', '#2F80ED', '#27AE60', '#9B51E0', '#EB5757', '#F2C94C', '#56CCF2'];
    $chart = fn (string $type, array $labels, array $datasets) => compact('type', 'labels', 'datasets');
    $adherenceChart = $chart('doughnut', ['Completati', 'Saltati'], [['label' => 'Allenamenti', 'data' => [$summary['completed'], $summary['skipped']]]]);
    $weightChart = $chart('line', collect($measurements['weight']['points'] ?? [])->pluck('date')->map(fn ($date) => \Illuminate\Support\Carbon::parse($date)->format('d/m'))->all(), [['label' => 'Peso (kg)', 'data' => collect($measurements['weight']['points'] ?? [])->pluck('value')->all()]]);
    $compositionLabels = $measurements['composition']->flatMap(fn ($series) => $series['points']->pluck('date'))->unique()->sort()->values();
    $compositionDatasets = $measurements['composition']->values()->map(fn ($series, $index) => ['label' => $series['name'].' ('.$series['unit'].')', 'data' => $compositionLabels->map(fn ($date) => $series['points']->firstWhere('date', $date)['value'] ?? null)->all(), 'borderColor' => $chartColors[$index % count($chartColors)]])->all();
    $circumferenceLabels = $measurements['circumferences']->flatMap(fn ($series) => $series['points']->pluck('date'))->unique()->sort()->values();
    $circumferenceDatasets = $measurements['circumferences']->values()->map(fn ($series, $index) => ['label' => $series['name'], 'data' => $circumferenceLabels->map(fn ($date) => $series['points']->firstWhere('date', $date)['value'] ?? null)->all(), 'borderColor' => $chartColors[$index % count($chartColors)]])->all();
    $charts = [
        ['title' => 'Aderenza', 'description' => 'Allenamenti completati e saltati.', 'config' => $adherenceChart, 'empty' => ($summary['completed'] + $summary['skipped']) === 0],
        ['title' => 'Andamento peso', 'description' => 'Peso registrato nel periodo.', 'config' => $weightChart, 'empty' => empty($measurements['weight']['points'] ?? [])],
        ['title' => 'Composizione corporea', 'description' => 'Massa grassa, magra e muscolare.', 'config' => $chart('line', $compositionLabels->map(fn ($date) => \Illuminate\Support\Carbon::parse($date)->format('d/m'))->all(), $compositionDatasets), 'empty' => empty($compositionDatasets)],
        ['title' => 'Volume per gruppo muscolare', 'description' => 'Volume complessivo in chilogrammi.', 'config' => $chart('bar', $volumeByMuscle->pluck('label')->all(), [['label' => 'Volume (kg)', 'data' => $volumeByMuscle->pluck('value')->map(fn ($value) => round((float) $value, 1))->all()]]), 'empty' => $volumeByMuscle->isEmpty()],
        ['title' => 'Carichi', 'description' => 'Carico medio e massimo per data.', 'config' => $chart('line', $loadTrend->pluck('date')->map(fn ($date) => \Illuminate\Support\Carbon::parse($date)->format('d/m'))->all(), [['label' => 'Carico medio', 'data' => $loadTrend->pluck('average')->map(fn ($value) => round((float) $value, 1))->all()], ['label' => 'Carico massimo', 'data' => $loadTrend->pluck('maximum')->map(fn ($value) => round((float) $value, 1))->all(), 'borderColor' => '#2F80ED']]), 'empty' => $loadTrend->isEmpty()],
        ['title' => 'Allenamenti', 'description' => 'Completati e saltati nel tempo.', 'config' => $chart('bar', $trainingTrend->pluck('date')->map(fn ($date) => \Illuminate\Support\Carbon::parse($date)->format('d/m'))->all(), [['label' => 'Completati', 'data' => $trainingTrend->pluck('completed')->all()], ['label' => 'Saltati', 'data' => $trainingTrend->pluck('skipped')->all(), 'backgroundColor' => '#EB5757']]), 'empty' => $trainingTrend->isEmpty()],
        ['title' => 'Circonferenze', 'description' => 'Variazione delle misure corporee.', 'config' => $chart('line', $circumferenceLabels->map(fn ($date) => \Illuminate\Support\Carbon::parse($date)->format('d/m'))->all(), $circumferenceDatasets), 'empty' => empty($circumferenceDatasets)],
    ];
@endphp

<x-breadcrumbs :items="[['label' => 'Dashboard', 'url' => route('coach.dashboard')], ['label' => 'Report']]" />

<div class="d-flex flex-wrap justify-content-between align-items-start gap-3 mb-4 report-heading">
    <div>
        <h1 class="h3 mb-1">Report di {{ $athlete->displayName() }}</h1>
        <p class="text-body-secondary mb-0">{{ $from->format('d/m/Y') }} - {{ $to->format('d/m/Y') }}</p>
    </div>
    <div class="d-flex gap-2 report-actions">
        <button type="button" class="btn btn-outline-secondary" onclick="window.print()"><i class="bi bi-printer" aria-hidden="true"></i> Stampa</button>
        <a class="btn btn-outline-primary" href="{{ route('coach.reports.csv', request()->only(['period', 'from', 'to'])) }}"><i class="bi bi-filetype-csv" aria-hidden="true"></i> CSV</a>
    </div>
</div>

<section class="card border-0 shadow-sm mb-4 report-no-print" aria-labelledby="report-filters-title">
    <div class="card-body">
        <h2 class="h5" id="report-filters-title">Periodo</h2>
        <form method="GET" class="row g-3">
            <div class="col-12 col-md-3"><label class="form-label" for="report-period">Intervallo</label><select class="form-select" id="report-period" name="period">@foreach($periodLabels as $value => $label)<option value="{{ $value }}" @selected($period === $value)>{{ $label }}</option>@endforeach</select></div>
            <div class="col-6 col-md-3"><label class="form-label" for="report-from">Dal</label><input class="form-control" id="report-from" name="from" type="date" value="{{ request('from') }}"></div>
            <div class="col-6 col-md-3"><label class="form-label" for="report-to">Al</label><input class="form-control" id="report-to" name="to" type="date" value="{{ request('to') }}"></div>
            <div class="col-12 col-md-3 d-flex align-items-end gap-2"><button class="btn btn-dark" type="submit">Applica</button><a class="btn btn-link" href="{{ route('coach.reports.index') }}">Azzera</a></div>
        </form>
    </div>
</section>

<div class="row g-3 mb-4 report-summary">
    <div class="col-6 col-lg-3"><x-dashboard-stat label="Previsti" :value="$summary['planned']" icon="bi-calendar3" /></div>
    <div class="col-6 col-lg-3"><x-dashboard-stat label="Completati" :value="$summary['completed']" icon="bi-check2-circle" /></div>
    <div class="col-6 col-lg-3"><x-dashboard-stat label="Saltati" :value="$summary['skipped']" icon="bi-skip-forward" /></div>
    <div class="col-6 col-lg-3"><x-dashboard-stat label="Aderenza" :value="$summary['adherence'] !== null ? $summary['adherence'].'%' : '—'" icon="bi-bullseye" /></div>
    <div class="col-6 col-lg-3"><x-dashboard-stat label="Volume totale" :value="number_format($summary['volume'], 0, ',', '.').' kg'" icon="bi-bar-chart" /></div>
    <div class="col-6 col-lg-3"><x-dashboard-stat label="Carico medio" :value="$summary['average_load'] !== null ? $summary['average_load'].' kg' : '—'" icon="bi-speedometer" /></div>
    <div class="col-6 col-lg-3"><x-dashboard-stat label="Durata media" :value="$summary['average_duration'] ? round($summary['average_duration'] / 60).' min' : '—'" icon="bi-stopwatch" /></div>
    <div class="col-6 col-lg-3"><x-dashboard-stat label="RPE medio" :value="$summary['average_rpe'] ?? '—'" icon="bi-activity" /></div>
</div>

<div class="row g-4 mb-4">
    @foreach($charts as $item)
        <div class="col-12 col-xl-6">
            <section class="card border-0 shadow-sm h-100">
                <div class="card-header bg-white"><h2 class="h5 mb-0">{{ $item['title'] }}</h2><p class="small text-body-secondary mb-0">{{ $item['description'] }}</p></div>
                <div class="card-body report-chart-wrap">
                    @if($item['empty'])
                        <x-empty-state icon="bi-graph-up" title="Dati non disponibili" message="Non risultano dati nel periodo selezionato." />
                    @else
                        <canvas data-report-chart='@json($item["config"], JSON_HEX_APOS|JSON_HEX_AMP|JSON_HEX_TAG|JSON_HEX_QUOT)' aria-label="{{ $item['title'] }}" role="img"></canvas>
                    @endif
                </div>
            </section>
        </div>
    @endforeach
</div>

<div class="row g-4 mb-4">
    <div class="col-12 col-xl-6">
        <section class="card border-0 shadow-sm h-100">
            <div class="card-header bg-white"><h2 class="h5 mb-0">Variazioni corporee</h2></div>
            <div class="table-responsive"><table class="table align-middle mb-0"><thead><tr><th>Misura</th><th>Iniziale</th><th>Ultima</th><th>Variazione</th></tr></thead><tbody>
                @forelse($measurements['series'] as $series)<tr><td>{{ $series['name'] }}</td><td>{{ $series['first'] }} {{ $series['unit'] }}</td><td>{{ $series['last'] }} {{ $series['unit'] }}</td><td>{{ $series['change'] !== null ? ($series['change'] > 0 ? '+' : '').$series['change'].' '.$series['unit'] : '—' }}</td></tr>@empty<tr><td colspan="4">Nessuna misurazione.</td></tr>@endforelse
            </tbody></table></div>
        </section>
    </div>
    <div class="col-12 col-xl-6">
        <section class="card border-0 shadow-sm h-100">
            <div class="card-header bg-white"><h2 class="h5 mb-0">Record personali</h2></div>
            <div class="table-responsive"><table class="table align-middle mb-0"><thead><tr><th>Esercizio</th><th>Carico massimo</th></tr></thead><tbody>
                @forelse($personalRecords as $record)<tr><td>{{ $record->label ?: 'Esercizio' }}</td><td>{{ number_format((float) $record->value, 1, ',', '.') }} kg</td></tr>@empty<tr><td colspan="2">Nessun record nel periodo.</td></tr>@endforelse
            </tbody></table></div>
        </section>
    </div>
</div>

<div class="row g-4 mb-4">
    <div class="col-12 col-lg-5">
        <section class="card border-0 shadow-sm h-100"><div class="card-header bg-white"><h2 class="h5 mb-0">Frequenza messaggi</h2></div><div class="card-body"><dl class="row mb-0"><dt class="col-7">Messaggi totali</dt><dd class="col-5 text-end">{{ $messages['summary']['total'] }}</dd><dt class="col-7">Dall’atleta</dt><dd class="col-5 text-end">{{ $messages['summary']['from_athlete'] }}</dd><dt class="col-7">Media settimanale</dt><dd class="col-5 text-end">{{ $messages['summary']['average_per_week'] }}</dd></dl></div></section>
    </div>
    <div class="col-12 col-lg-7">
        <section class="card border-0 shadow-sm h-100"><div class="card-header bg-white"><h2 class="h5 mb-0">Note rilevanti</h2></div><div class="list-group list-group-flush">@forelse($notes as $note)<div class="list-group-item"><div class="d-flex justify-content-between gap-3"><strong>{{ $note['source'] }}</strong><time class="small text-body-secondary">{{ $note['date']->format('d/m/Y') }}</time></div><div>{{ $note['text'] }}</div></div>@empty<div class="p-3 text-body-secondary">Nessuna nota nel periodo.</div>@endforelse</div></section>
    </div>
</div>

<section class="card border-0 shadow-sm report-no-print">
    <div class="card-body">
        <h2 class="h5">Esporta PDF</h2>
        <form method="POST" action="{{ route('coach.reports.pdf') }}" class="row g-3">@csrf
            <input type="hidden" name="period" value="{{ $period }}"><input type="hidden" name="from" value="{{ $from->toDateString() }}"><input type="hidden" name="to" value="{{ $to->toDateString() }}">
            <div class="col-12"><label class="form-label" for="report-coach-notes">Note del coach nel PDF</label><textarea id="report-coach-notes" name="coach_notes" class="form-control" rows="3" maxlength="3000"></textarea></div>
            <div class="col-12"><button class="btn btn-primary"><i class="bi bi-file-earmark-pdf" aria-hidden="true"></i> Esporta PDF</button></div>
        </form>
    </div>
</section>
@endsection