{# templates/entreprise/loyer_mensuel/edit.html.twig #}
{% extends 'entreprise/entreprise_base.html.twig' %}

{% block title %}Éditer la Facture #{{ loyer_mensuel.id }} | {{ entreprise.raisonSociale|default('Mon Bureau') }}{% endblock %}

{% block body %}
{# Définition de la devise globale #}
{% set devise = app.user.entreprise.devise ? app.user.entreprise.devise.symbole : 'F.CFA' %}

<div class="container-fluid py-4 px-md-4">

    {# --- EN-TÊTE HARMONISÉ --- #}
    <div class="d-flex justify-content-between align-items-center mb-4 flex-wrap gap-3">
        <div>
            <h3 class="page-header page-header-top mb-1">
                <i class="fas fa-file-invoice-dollar me-2 text-success"></i> 
                Édition Facture : {{ loyer_mensuel.reference }}
            </h3>
            <p class="text-muted small mb-0 d-none d-md-block">
                Mise à jour des montants et des paiements pour le mois de <strong>{{ loyer_mensuel.mois }}/{{ loyer_mensuel.annee }}</strong>.
            </p>
        </div>
        
        <div>
            <a href="{{ path('app_entreprise_loyer_mensuel_index') }}" class="btn btn-sm btn-outline-secondary btn-return shadow-sm px-3">
                <i class="fas fa-arrow-left me-1"></i> Retour à la liste
            </a>
        </div>
    </div>

    {% include 'flash_messages.html.twig' %}

    <div class="row g-4">
        {# --- ZONE FORMULAIRE PRINCIPAL --- #}
        <div class="col-12 col-lg-8">
            <div class="card card-form shadow-sm mb-4">
                <div class="card-body p-4">
                    
                    {{ form_start(form, {'attr': {'id': 'loyer_mensuel_form'}}) }}
                        
                        {# BLOC 1 : Période (Lecture seule) #}
                        <div class="mb-4">
                            <h6 class="fw-bold mb-3 text-uppercase small text-muted border-bottom pb-2">
                                <i class="fas fa-calendar-alt me-1"></i> 1. Contrat et Période
                            </h6>
                            <div class="row g-3">
                                <div class="col-md-6">
                                    {{ form_row(form.location) }}
                                </div>
                                <div class="col-md-3">
                                    {{ form_row(form.annee) }}
                                </div>
                                <div class="col-md-3">
                                    <label class="form-label">Mois</label>
                                    <div class="form-control bg-light border-dashed text-center fw-bold">
                                        {% set date_mois = date('now')|date_modify('first day of ' ~ loyer_mensuel.annee ~ '-' ~ loyer_mensuel.mois) %}
                                        {{ date_mois|date('F')|capitalize }}
                                    </div>
                                </div>
                            </div>
                        </div>
                </div>
                </div>
                        {# BLOC 2 : Détail des Montants #}
                <div class="card card-form shadow-sm mb-4">
                    <div class="card-body p-4">
                        <div class="d-flex justify-content-between align-items-center mb-4 border-bottom pb-2">
                            <h6 class="fw-bold text-success text-uppercase small mb-0">
                                <i class="fas fa-file-invoice-dollar me-2"></i> 2. Détail des Montants Dûs
                            </h6>
                            <span class="badge bg-soft-success text-success fw-bold">Calcul automatique</span>
                        </div>

                        <div class="row g-3">
                            <div class="col-md-12 mb-2">
                                {{ form_label(form.montantMensuel) }}
                                <div class="input-group input-group-lg shadow-sm">
                                    {{ form_widget(form.montantMensuel) }}
                                    <span class="input-group-text bg-light fw-bold">{{ devise }}</span>
                                </div>
                            </div>

                            <div class="col-md-6">
                                {{ form_label(form.chargeEau) }}
                                <div class="input-group shadow-sm">
                                    {{ form_widget(form.chargeEau) }}
                                    <span class="input-group-text bg-light text-muted small">{{ devise }}</span>
                                </div>
                            </div>
                            <div class="col-md-6">
                                {{ form_label(form.chargeElectricite) }}
                                <div class="input-group shadow-sm">
                                    {{ form_widget(form.chargeElectricite) }}
                                    <span class="input-group-text bg-light text-muted small">{{ devise }}</span>
                                </div>
                            </div>
                            <div class="col-md-6">
                                {{ form_label(form.chargeGardien) }}
                                <div class="input-group shadow-sm">
                                    {{ form_widget(form.chargeGardien) }}
                                    <span class="input-group-text bg-light text-muted small">{{ devise }}</span>
                                </div>
                            </div>
                            <div class="col-md-6">
                                {{ form_label(form.chargeAutre) }}
                                <div class="input-group shadow-sm">
                                    {{ form_widget(form.chargeAutre) }}
                                    <span class="input-group-text bg-light text-muted small">{{ devise }}</span>
                                </div>
                            </div>

                            <div class="col-12 mt-4">
                                <div class="p-3 rounded-3 bg-light border d-flex justify-content-between align-items-center">
                                    <span class="h6 mb-0 fw-bold text-dark">TOTAL À FACTURER</span>
                                    <div class="d-flex align-items-center">
                                        {{ form_widget(form.totalDu, {'attr': {'readonly': true, 'class': 'form-control form-control-plaintext text-end fw-bold fs-4 text-success', 'style': 'width: 200px;'}}) }}
                                        <span class="ms-2 fw-bold fs-5 text-success">{{ devise }}</span>
                                    </div>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>

                        {# BLOC 3 : Paiements #}
                        <div class="card card-form shadow-sm mb-4">
                <div class="card-body p-4">
                        <div class="mb-4">
                            <h6 class="fw-bold mb-3 text-uppercase small text-muted border-bottom pb-2">
                                <i class="fas fa-credit-card me-1"></i> 3. Paiements Enregistrés
                            </h6>
                            <div class="bg-light p-3 rounded border border-light shadow-sm">
                                <div data-collection-holder-class="paiements" class="paiements_collection" id="paiements-fields">
                                    <div class="alert alert-info py-2 mb-3 border-0">
                                        <i class="fas fa-info-circle me-1"></i> Total déjà payé : <strong>{{ loyer_mensuel.montantPaye|number_format(0, ',', ' ') }} F CFA</strong>
                                    </div>
                                    {{ form_widget(form.paiements) }}
                                </div>
                                
                                <div class="alert alert-danger py-2 mt-3 small" id="montants_erreur" style="display:none;">
                                    <i class="fas fa-exclamation-triangle me-1"></i> <span id="error_message_text">Erreur de montant</span>
                                </div>
                            </div>
                        </div>

                        <div class="d-flex justify-content-between align-items-center mt-5 pt-3 border-top">
                            <a href="{{ path('app_entreprise_loyer_mensuel_index') }}" class="text-decoration-none text-muted small">
                                <i class="fas fa-times me-1"></i> Annuler les modifications
                            </a>
                            <button type="submit" class="btn btn-success px-5 shadow-sm fw-bold" id="submit_button">
                                <i class="fas fa-save me-1"></i> Enregistrer la facture
                            </button>
                        </div>
                    {{ form_end(form) }}
                </div>
            </div>

            {# --- ZONE DE DANGER --- #}
            <div class="card border-danger bg-light-danger shadow-sm opacity-75">
                <div class="card-body p-3 d-flex justify-content-between align-items-center">
                    <div>
                        <h6 class="text-danger fw-bold mb-1"><i class="fas fa-trash-alt me-2"></i> Zone Critique</h6>
                        <p class="small text-muted mb-0">Suppression définitive de la facture de la base de données.</p>
                    </div>
                    {{ include('entreprise/loyer_mensuel/_delete_form.html.twig') }}
                </div>
            </div>
        </div>

        {# --- SIDEBAR D'INFORMATION --- #}
        <div class="col-12 col-lg-4">
            <div class="card border-0 shadow-sm info-card mb-4">
                <div class="card-body p-4">
                    <h6 class="fw-bold text-dark mb-3">
                        <i class="fas fa-info-circle me-2 text-success"></i> Résumé de l'occupation
                    </h6>
                    <div class="p-3 bg-light rounded mb-3">
                        <p class="small mb-1"><strong>Locataire :</strong><br>{{ loyer_mensuel.location.locataire.nomComplet }}</p>
                        <hr class="my-2 opacity-10">
                        <p class="small mb-1"><strong>Bien :</strong><br>{{ loyer_mensuel.location.appartement.immeuble.titre }} - {{ loyer_mensuel.location.appartement.titre }}</p>
                    </div>

                    <ul class="list-unstyled small text-muted mb-4">
                        <li class="mb-2"><i class="fas fa-check-circle text-success me-2"></i> Les charges sont modifiables ponctuellement.</li>
                        <li class="mb-2"><i class="fas fa-check-circle text-success me-2"></i> Le Total Dû est calculé automatiquement.</li>
                        <li class="mb-2"><i class="fas fa-check-circle text-success me-2"></i> Vous pouvez ajouter plusieurs paiements (ex: acompte).</li>
                    </ul>

                    <div class="p-3 border border-warning rounded bg-white text-center">
                        <small class="text-muted italic">
                            <i class="fas fa-lightbulb text-warning me-1"></i> 
                            <strong>Note :</strong> La modification du "Total Dû" après l'émission d'une quittance peut nécessiter une ré-impression pour le locataire.
                        </small>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>
{% endblock %}

{% block javascripts %}
    {{ parent() }}
    <script>
        document.addEventListener('DOMContentLoaded', function() {
            const form = document.getElementById('loyer_mensuel_form');
            const erreurEl = document.getElementById('montants_erreur');
            const errorMessageText = document.getElementById('error_message_text');

            const formInputs = {
                montantMensuel: document.getElementById('loyer_mensuel_montantMensuel'),
                chargeEau: document.getElementById('loyer_mensuel_chargeEau'),
                chargeElectricite: document.getElementById('loyer_mensuel_chargeElectricite'),
                chargeGardien: document.getElementById('loyer_mensuel_chargeGardien'),
                chargeAutre: document.getElementById('loyer_mensuel_chargeAutre'),
                totalDu: document.getElementById('loyer_mensuel_totalDu'),
            };

            const modifiableFields = [
                formInputs.montantMensuel, formInputs.chargeEau, formInputs.chargeElectricite, 
                formInputs.chargeGardien, formInputs.chargeAutre
            ].filter(el => el !== null);

            function recalculateTotal() {
                let total = 0;
                modifiableFields.forEach(input => {
                    total += parseFloat(input.value) || 0;
                });
                if (formInputs.totalDu) {
                    formInputs.totalDu.value = total.toFixed(2);
                }
                validateMontantPayeOnInput(); 
            }

            function calculateTotalPaye() {
                let totalPaye = 0;
                const paiementInputs = document.querySelectorAll('[id^="loyer_mensuel_paiements_"][id$="_montant"]');
                paiementInputs.forEach(input => {
                    totalPaye += parseFloat(input.value) || 0;
                });
                return totalPaye;
            }

            function validateMontantPayeOnInput() {
                 const totalDu = parseFloat(formInputs.totalDu.value) || 0;
                 const montantPaye = calculateTotalPaye();
                 
                 if (totalDu > 0 && montantPaye > totalDu) {
                      errorMessageText.textContent = `Attention : Le total payé (${montantPaye.toFixed(0)} F) dépasse le total dû (${totalDu.toFixed(0)} F).`;
                      erreurEl.style.display = 'block';
                 } else {
                      erreurEl.style.display = 'none';
                 }
            }

            form.addEventListener('submit', function(event) {
                recalculateTotal();
                const totalDu = parseFloat(formInputs.totalDu.value) || 0;
                const montantPaye = calculateTotalPaye();
                
                if (totalDu > 0 && montantPaye > totalDu) {
                    event.preventDefault();
                    alert(`Erreur : Le montant payé ne peut pas être supérieur au montant dû.`);
                    return false;
                }
            });

            modifiableFields.forEach(input => {
                input.addEventListener('input', recalculateTotal);
            });

            document.getElementById('paiements-fields')?.addEventListener('input', function(e) {
                if (e.target.matches('[id^="loyer_mensuel_paiements_"][id$="_montant"]')) {
                    validateMontantPayeOnInput();
                }
            });

            recalculateTotal();
        });
    </script>
{% endblock %}