@extends('layouts.app')

@section('title', 'Calcul PSU · ' . $organization->name)
@section('eyebrow', 'Piloter')
@section('heading', 'Calcul PSU')

@section('content')
@php
    $monthLabels = [
        1=>'Janvier',2=>'Février',3=>'Mars',4=>'Avril',
        5=>'Mai',6=>'Juin',7=>'Juillet',8=>'Août',
        9=>'Septembre',10=>'Octobre',11=>'Novembre',12=>'Décembre',
    ];
    $activeResult = match($tab) {
        'actual' => $actual,
        'simulation-billing' => $billingSimulation,
        'simulation-occupancy' => $occupancySimulation,
        default => $forecast,
    };
@endphp

<div class="psu-module">
    <nav class="psu-tabs">
        <a class="{{ $tab === 'forecast' ? 'active' : '' }}" href="{{ route('tenant.psu.index', ['tab'=>'forecast']) }}">Prévisionnel</a>
        <a class="{{ $tab === 'actual' ? 'active' : '' }}" href="{{ route('tenant.psu.index', ['tab'=>'actual']) }}">Réalisé</a>
        <a class="{{ $tab === 'simulation-billing' ? 'active' : '' }}" href="{{ route('tenant.psu.index', ['tab'=>'simulation-billing']) }}">Simulation facturation</a>
        <a class="{{ $tab === 'simulation-occupancy' ? 'active' : '' }}" href="{{ route('tenant.psu.index', ['tab'=>'simulation-occupancy']) }}">Simulation occupation</a>
    </nav>

    <section class="psu-kpis">
        <article>
            <span>Total PSU estimé</span>
            <b>{{ number_format($activeResult['total_psu'], 0, ',', ' ') }} €</b>
            <small>hors mixité et attractivité</small>
        </article>
        <article>
            <span>Taux de facturation</span>
            <b>{{ number_format($activeResult['billing_rate'] * 100, 1, ',', ' ') }} %</b>
            <small>facturées ÷ réalisées</small>
        </article>
        <article>
            <span>Taux d’occupation</span>
            <b>{{ number_format($activeResult['occupancy_rate'] * 100, 1, ',', ' ') }} %</b>
            <small>réalisées ÷ capacité</small>
        </article>
        <article>
            <span>Prix plafond retenu</span>
            <b>{{ number_format($activeResult['ceiling_price'], 3, ',', ' ') }} €</b>
            <small>barème 2026 super admin</small>
        </article>
    </section>

    @if($tab === 'actual')
        <section class="psu-card">
            <header>
                <div>
                    <h2>Saisie mensuelle {{ $year }}</h2>
                    <p>Source actuelle : saisie et validation par la directrice.</p>
                </div>
            </header>

            <form method="post" action="{{ route('tenant.psu.monthly.save') }}">
                @csrf
                <input type="hidden" name="fiscal_year" value="{{ $year }}">

                <div class="psu-month-table-wrap">
                    <table class="psu-month-table">
                        <thead>
                            <tr>
                                <th>Mois</th>
                                <th>Facturées</th>
                                <th>Réalisées</th>
                                <th>Accueil</th>
                                <th>Participations</th>
                                <th>Enfants</th>
                                <th>RG</th>
                                <th>Handicap</th>
                            </tr>
                        </thead>
                        <tbody>
                            @foreach($months as $month)
                                <tr>
                                    <td>
                                        <b>{{ $monthLabels[$month->month_number] }}</b>
                                        <span class="{{ $month->status === 'validated' ? 'validated' : '' }}">
                                            {{ $month->status === 'validated' ? 'Validé' : 'À saisir' }}
                                        </span>
                                    </td>
                                    @foreach([
                                        'invoiced_hours','realized_hours','capacity_hours',
                                        'family_contributions','distinct_children',
                                        'general_regime_children','disabled_children'
                                    ] as $field)
                                        <td>
                                            <input
                                                type="number"
                                                step="{{ in_array($field, ['distinct_children','general_regime_children','disabled_children']) ? '1' : '0.01' }}"
                                                min="0"
                                                name="months[{{ $month->month_number }}][{{ $field }}]"
                                                value="{{ (float) $month->{$field} ?: '' }}"
                                                placeholder="—"
                                            >
                                        </td>
                                    @endforeach
                                </tr>
                            @endforeach
                        </tbody>
                    </table>
                </div>

                <footer class="psu-form-footer">
                    <span>« Accueil » correspond aux heures de capacité du mois.</span>
                    <button class="btn primary">Enregistrer</button>
                </footer>
            </form>
        </section>
    @elseif(in_array($tab, ['simulation-billing','simulation-occupancy'], true))
        <section class="psu-simulation-layout">
            <article class="psu-card psu-simulator">
                <header>
                    <div>
                        <h2>
                            {{ $tab === 'simulation-billing'
                                ? 'Améliorer le taux de facturation'
                                : 'Améliorer le taux d’occupation' }}
                        </h2>
                        <p>Les autres paramètres restent constants.</p>
                    </div>
                </header>

                <form method="get" action="{{ route('tenant.psu.index') }}" class="psu-slider-form">
                    <input type="hidden" name="tab" value="{{ $tab }}">

                    @if($tab === 'simulation-billing')
                        <label>
                            <span>Taux de facturation cible</span>
                            <input
                                type="range"
                                min="100"
                                max="127"
                                step="1"
                                name="billing_target_display"
                                value="{{ $billingTarget * 100 }}"
                                data-psu-range
                                data-target-input="billing_target"
                            >
                            <b data-psu-range-value>{{ number_format($billingTarget * 100, 0, ',', ' ') }} %</b>
                            <input type="hidden" name="billing_target" value="{{ $billingTarget }}">
                        </label>
                    @else
                        <label>
                            <span>Taux d’occupation cible</span>
                            <input
                                type="range"
                                min="40"
                                max="90"
                                step="1"
                                name="occupancy_target_display"
                                value="{{ $occupancyTarget * 100 }}"
                                data-psu-range
                                data-target-input="occupancy_target"
                            >
                            <b data-psu-range-value>{{ number_format($occupancyTarget * 100, 0, ',', ' ') }} %</b>
                            <input type="hidden" name="occupancy_target" value="{{ $occupancyTarget }}">
                        </label>

                        <label>
                            <span>Taux de facturation conservé</span>
                            <input
                                type="range"
                                min="100"
                                max="127"
                                step="1"
                                name="billing_target_display"
                                value="{{ $billingTarget * 100 }}"
                                data-psu-range
                                data-target-input="billing_target"
                            >
                            <b data-psu-range-value>{{ number_format($billingTarget * 100, 0, ',', ' ') }} %</b>
                            <input type="hidden" name="billing_target" value="{{ $billingTarget }}">
                        </label>
                    @endif

                    <button class="btn secondary">Recalculer</button>
                </form>
            </article>

            <article class="psu-card psu-comparison">
                <header><h2>Impact de la simulation</h2></header>
                <div>
                    <span>PSU prévisionnelle actuelle</span>
                    <b>{{ number_format($forecast['total_psu'], 0, ',', ' ') }} €</b>
                </div>
                <div>
                    <span>PSU simulée</span>
                    <b class="positive">{{ number_format($activeResult['total_psu'], 0, ',', ' ') }} €</b>
                </div>
                <div>
                    <span>Écart</span>
                    @php($delta = $activeResult['total_psu'] - $forecast['total_psu'])
                    <b class="{{ $delta >= 0 ? 'positive' : 'danger' }}">
                        {{ $delta >= 0 ? '+' : '−' }}{{ number_format(abs($delta), 0, ',', ' ') }} €
                    </b>
                </div>
            </article>
        </section>

        <form method="post" action="{{ route('tenant.psu.simulation.save') }}" class="psu-save-simulation">
            @csrf
            <input type="hidden" name="fiscal_year" value="{{ $year }}">
            <input type="hidden" name="simulation_type" value="{{ $tab === 'simulation-billing' ? 'billing_rate' : 'occupancy_rate' }}">
            <input type="hidden" name="billing_rate_target" value="{{ $billingTarget }}">
            <input type="hidden" name="occupancy_rate_target" value="{{ $occupancyTarget }}">
            <input type="hidden" name="payload_json" value="{{ json_encode($activeResult) }}">
            <input type="text" name="simulation_name" placeholder="Nom de la simulation" required>
            <button class="btn primary">Enregistrer la simulation</button>
            <button class="btn secondary" type="button" onclick="window.print()">Imprimer</button>
        </form>
    @else
        <section class="psu-grid">
            <article class="psu-card psu-breakdown">
                <header>
                    <div>
                        <h2>Estimation PSU {{ $year }}</h2>
                        <p>Réalisé validé + mois futurs projetés.</p>
                    </div>
                </header>

                @foreach([
                    ['PSU de base', $forecast['base_psu']],
                    ['Préparation à l’accueil — 8 h', $forecast['preparation']],
                    ['Bonus handicap', $forecast['disability_bonus']],
                    ['Journées pédagogiques', $forecast['pedagogical']],
                ] as [$label, $amount])
                    <div class="psu-breakdown-line">
                        <span>{{ $label }}</span>
                        <b>{{ number_format($amount, 0, ',', ' ') }} €</b>
                    </div>
                @endforeach

                <div class="psu-breakdown-line pending">
                    <span>Bonus mixité sociale</span>
                    <b>Barème à compléter</b>
                </div>
                <div class="psu-breakdown-line pending">
                    <span>Bonus attractivité</span>
                    <b>Barème à compléter</b>
                </div>

                <div class="psu-breakdown-total">
                    <span>Total calculé</span>
                    <b>{{ number_format($forecast['total_psu'], 0, ',', ' ') }} €</b>
                </div>
            </article>

            <article class="psu-card psu-data-quality">
                <header><h2>Données utilisées</h2></header>
                <div><span>Places agréées</span><b>{{ $setting->licensed_places }}</b></div>
                <div><span>Enfants différents</span><b>{{ $forecast['distinct_children'] }}</b></div>
                <div><span>Heures facturées</span><b>{{ number_format($forecast['invoiced_hours'], 0, ',', ' ') }}</b></div>
                <div><span>Heures réalisées</span><b>{{ number_format($forecast['realized_hours'], 0, ',', ' ') }}</b></div>
                <div><span>Capacité d’accueil</span><b>{{ number_format($forecast['capacity_hours'], 0, ',', ' ') }}</b></div>
                <div><span>Taux régime général</span><b>{{ number_format($forecast['general_rate'] * 100, 1, ',', ' ') }} %</b></div>
                <div><span>Total des charges</span><b>{{ number_format($forecast['total_charges'], 0, ',', ' ') }} €</b></div>
                <div><span>Participations familiales</span><b>{{ number_format($forecast['family_contributions'], 0, ',', ' ') }} €</b></div>
            </article>
        </section>
    @endif
</div>
@endsection