{% extends 'entreprise/entreprise_base.html.twig' %}

{% block title %}Créer une Facture de Loyer{% 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">
        <div>
            <h3 class="page-header page-header-top mb-1">Nouvelle Facture de Loyer</h3>
            <p class="text-muted small mb-0 d-none d-md-block">
                Génération automatique des montants basés sur le contrat actif.
            </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> Annuler
            </a>
        </div>
    </div>

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

    {{ form_start(form, {'attr': {'id': 'loyer_mensuel_form', 'class': 'needs-validation'}}) }}
    
    <div class="row g-4">
        {# --- COLONNE PRINCIPALE (FORMULAIRE) --- #}
        <div class="col-12 col-lg-8">
            
            {# BLOC 1 : Sélection Contrat/Période #}
            <div class="card card-form 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-search me-2"></i> 1. Contrat & Période
                        </h6>
                    </div>
                    <div class="row g-3 mb-3">
                        <div class="col-md-12">
                            {{ form_label(form.location) }}
                            {{ form_widget(form.location, {'attr': {'class': 'form-select'}}) }}
                        </div>
                    </div>

                    <div class="row g-3">
                        <div class="col-md-6">
                            {{ form_label(form.annee) }}
                            {{ form_widget(form.annee) }}
                        </div>
                        <div class="col-md-6">
                            {{ form_label(form.mois) }}
                            {{ form_widget(form.mois) }}
                        </div>
                    </div>
                </div>
            </div>

            {# BLOC DYNAMIQUE #}
            <div id="dynamic_form_sections" style="display: none;">
                
                {# 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 : Paiement Initial #}
                <div class="card card-form shadow-sm mb-4 border-start border-info border-4">
                    <div class="card-body p-4">
                        <h6 class="fw-bold text-info text-uppercase small mb-4">
                            <i class="fas fa-cash-register me-2"></i> 3. Règlement à la création
                        </h6>
                        
                        <div class="alert alert-info border-0 shadow-sm mb-4" style="background-color: #eef7ff;">
                            <div class="d-flex align-items-center">
                                <i class="fas fa-info-circle me-3 text-info fa-lg"></i>
                                <p class="small mb-0 text-info-emphasis">
                                    Si le locataire règle immédiatement tout ou partie de la facture, saisissez le montant ci-dessous.
                                </p>
                            </div>
                        </div>

                        <div data-collection-holder-class="paiements" class="paiements_collection" id="paiements-fields">
                            {{ form_widget(form.paiements) }}
                        </div>

                        <div class="alert alert-danger mt-3 shadow-sm border-0 d-flex align-items-center" id="montants_erreur" style="display:none;">
                            <i class="fas fa-exclamation-triangle me-3 fa-lg"></i>
                            <span id="error_message_text" class="small fw-bold"></span>
                        </div>
                    </div>
                </div>
            </div>
        </div>

        {# --- COLONNE INFO / ACTIONS (SIDEBAR) --- #}
        <div class="col-12 col-lg-4">
            <div class="card sidebar-info border-0 shadow-sm sticky-top" style="top: 20px;">
                <div class="card-body p-4">
                    <h6 class="fw-bold text-dark mb-3">
                        <i class="fas fa-tasks me-2 text-success"></i> Actions & Statut
                    </h6>
                    
                    <div class="mb-4 text-center">
                        <div class="info-label small text-uppercase fw-bold text-muted mb-2">État du formulaire</div>
                        <div id="generation_badge" class="badge bg-secondary rounded-pill px-3 py-2 fs-6 w-100">
                            Attente de sélection...
                        </div>
                    </div>

                    <div class="bg-white p-3 rounded border border-light mb-4">
                        <div class="info-label text-success mb-2 small fw-bold text-uppercase">Rappel</div>
                        <p class="x-small text-muted mb-0">
                            La facture doit avoir un montant supérieur à 0 pour être validée.
                        </p>
                    </div>

                    <div class="d-grid gap-2">
                        <button type="submit" class="btn btn-success btn-lg shadow-sm fw-bold py-3" id="submit_button" disabled>
                            <i class="fas fa-check-circle me-2"></i> Valider la facture
                        </button>
                        <a href="{{ path('app_entreprise_loyer_mensuel_index') }}" class="btn btn-light text-muted fw-bold">
                            Retour à la liste
                        </a>
                    </div>
                </div>
            </div>
        </div>
    </div>
    {{ form_end(form) }}
</div>
{% endblock %}

{% block javascripts %}
    {{ parent() }}
    
    <script>
        document.addEventListener('DOMContentLoaded', function() {
            
            const form = document.getElementById('loyer_mensuel_form');
            const locationSelect = document.getElementById('loyer_mensuel_location'); 
            const anneeInput = document.getElementById('loyer_mensuel_annee');
            const moisSelect = document.getElementById('loyer_mensuel_mois');
            const dynamicSections = document.getElementById('dynamic_form_sections');
            const submitButton = document.getElementById('submit_button');
            const badge = document.getElementById('generation_badge');
            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 getPaiementInitialInput() {
                return document.getElementById('loyer_mensuel_paiements_0_montant');
            }

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

                // --- CONDITION DE VALIDATION DU BOUTON ---
                if (total > 0) {
                    submitButton.disabled = false;
                    badge.textContent = "Prêt à valider";
                    badge.className = "badge bg-success rounded-pill px-3 py-2 fs-6 w-100";
                } else {
                    submitButton.disabled = true;
                    badge.textContent = "Montant nul ou invalide";
                    badge.className = "badge bg-danger rounded-pill px-3 py-2 fs-6 w-100";
                }
            }

            form.addEventListener('submit', function(event) {
                recalculateTotal(); 

                const totalDu = parseFloat(formInputs.totalDu.value) || 0;
                const inputPaiement = getPaiementInitialInput();
                const montantPaye = inputPaiement ? (parseFloat(inputPaiement.value) || 0) : 0;
                
                // Sécurité : Total doit être > 0
                if (totalDu <= 0) {
                    event.preventDefault();
                    alert("Le total à facturer doit être supérieur à 0.");
                    return false;
                }

                // Sécurité : Paiement ne peut pas dépasser le total
                if (montantPaye > totalDu) {
                    event.preventDefault();
                    alert(`Le paiement (${montantPaye.toFixed(2)}) ne peut pas être supérieur au total dû (${totalDu.toFixed(2)}).`);
                    if(inputPaiement) inputPaiement.focus();
                    return false;
                }
            });

            function fillFormFields(data) {
                formInputs.montantMensuel.value = parseFloat(data.montantMensuel || 0).toFixed(2);
                formInputs.chargeEau.value = parseFloat(data.chargeEau || 0).toFixed(2);
                formInputs.chargeElectricite.value = parseFloat(data.chargeElectricite || 0).toFixed(2);
                formInputs.chargeGardien.value = parseFloat(data.chargeGardien || 0).toFixed(2);
                formInputs.chargeAutre.value = parseFloat(data.chargeAutre || 0).toFixed(2);
                recalculateTotal();
            }

            function updateMontants() {
                const locId = locationSelect ? locationSelect.value : null;
                const annee = anneeInput ? anneeInput.value : null;
                const mois = moisSelect ? moisSelect.value : null;

                if (!locId || !annee || !mois) {
                    dynamicSections.style.display = 'none';
                    submitButton.disabled = true;
                    return;
                }
                
                const url = '{{ path('api_montants_loyer_par_periode', {'locationId': 'LOC', 'annee': 'AAAA', 'mois': 'MM'}) }}'
                             .replace('LOC', locId).replace('AAAA', annee).replace('MM', mois);

                fetch(url)
                    .then(response => response.json())
                    .then(data => {
                        dynamicSections.style.display = 'block';

                        if (data.error) {
                            errorMessageText.textContent = data.error + " Veuillez saisir les montants manuellement.";
                            erreurEl.style.display = 'block';
                            fillFormFields({}); 
                        } else {
                            fillFormFields(data);
                            erreurEl.style.display = 'none';
                        }
                    })
                    .catch(error => {
                        console.error('Erreur API:', error);
                        dynamicSections.style.display = 'block';
                        submitButton.disabled = false;
                        erreurEl.style.display = 'block';
                        errorMessageText.textContent = "Erreur réseau. Saisie manuelle activée.";
                    });
            }

            locationSelect?.addEventListener('change', updateMontants);
            anneeInput?.addEventListener('change', updateMontants);
            moisSelect?.addEventListener('change', updateMontants);

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

            if (locationSelect && locationSelect.value) updateMontants();
        });
    </script>
{% endblock %}