'use client';

import React, { useState, useRef } from 'react';
import { useRouter } from 'next/navigation';
import { Card } from 'primereact/card';
import { Button } from 'primereact/button';
import { InputText } from 'primereact/inputtext';
import { InputNumber } from 'primereact/inputnumber';
import { Dropdown } from 'primereact/dropdown';
import { Calendar } from 'primereact/calendar';
import { InputTextarea } from 'primereact/inputtextarea';
import { Toast } from 'primereact/toast';
import { materielService } from '../../../../services/api';
import { TypeMateriel, StatutMateriel } from '../../../../types/btp';
import { useApiCall } from '../../../../hooks/useApiCall';

const NouveauMaterielPage = () => {
    const router = useRouter();
    const [materiel, setMateriel] = useState({
        nom: '',
        marque: '',
        modele: '',
        numeroSerie: '',
        type: '' as TypeMateriel,
        description: '',
        dateAchat: null as Date | null,
        valeurAchat: 0,
        valeurActuelle: 0,
        statut: StatutMateriel.DISPONIBLE,
        localisation: '',
        proprietaire: '',
        quantiteStock: 0,
        seuilMinimum: 0,
        unite: 'unité',
        actif: true
    });
    const [submitted, setSubmitted] = useState(false);
    
    // Utilisation du hook pour la création de matériel avec gestion d'erreurs automatique
    const createMaterielCall = useApiCall(
        (data: any) => materielService.create(data),
        {
            showSuccessToast: true,
            successMessage: 'Matériel créé avec succès',
            retryAttempts: 2,
            retryDelay: 2000,
            onSuccess: () => {
                // Rediriger vers la liste après succès
                setTimeout(() => {
                    router.push('/materiels');
                }, 2000);
            }
        }
    );

    const typeOptions = Object.values(TypeMateriel).map(type => ({
        label: type.replace('_', ' '),
        value: type
    }));

    const statutOptions = Object.values(StatutMateriel).map(statut => ({
        label: statut.replace('_', ' '),
        value: statut
    }));

    const onInputChange = (e: React.ChangeEvent<HTMLInputElement | HTMLTextAreaElement>, name: string) => {
        const val = (e.target && e.target.value) || '';
        setMateriel(prev => ({ ...prev, [name]: val }));
    };

    const onInputNumberChange = (value: number | null, name: string) => {
        setMateriel(prev => ({ ...prev, [name]: value || 0 }));
    };

    const onDropdownChange = (e: any, name: string) => {
        setMateriel(prev => ({ ...prev, [name]: e.value }));
    };

    const onDateChange = (e: any, name: string) => {
        setMateriel(prev => ({ ...prev, [name]: e.value }));
    };

    const saveMateriel = async () => {
        setSubmitted(true);

        if (materiel.nom?.trim() && materiel.type) {
            await createMaterielCall.execute(materiel);
        }
    };

    const annuler = () => {
        router.back();
    };

    return (
        <div className="grid">
            <div className="col-12">
                <Toast ref={createMaterielCall.toast} />

                <div className="flex align-items-center justify-content-between mb-4">
                    <h2 className="m-0">Nouveau Matériel</h2>
                    <div className="flex gap-2">
                        <Button
                            label="Annuler"
                            icon="pi pi-times"
                            className="p-button-text p-button-rounded"
                            onClick={annuler}
                        />
                        <Button
                            label="Sauvegarder"
                            icon="pi pi-check"
                            className="p-button-text p-button-rounded"
                            onClick={saveMateriel}
                            loading={createMaterielCall.loading}
                        />
                    </div>
                </div>

                <Card>
                    <div className="p-fluid formgrid grid">
                        <div className="field col-12 md:col-6">
                            <label htmlFor="nom" className="font-bold">
                                Nom <span className="text-red-500">*</span>
                            </label>
                            <InputText
                                id="nom"
                                value={materiel.nom}
                                onChange={(e) => onInputChange(e, 'nom')}
                                required
                                autoFocus
                                className={submitted && !materiel.nom ? 'p-invalid' : ''}
                            />
                            {submitted && !materiel.nom && <small className="p-error">Le nom est obligatoire.</small>}
                        </div>

                        <div className="field col-12 md:col-6">
                            <label htmlFor="type" className="font-bold">
                                Type <span className="text-red-500">*</span>
                            </label>
                            <Dropdown
                                id="type"
                                value={materiel.type}
                                onChange={(e) => onDropdownChange(e, 'type')}
                                options={typeOptions}
                                placeholder="Sélectionner un type"
                                className={submitted && !materiel.type ? 'p-invalid' : ''}
                            />
                            {submitted && !materiel.type && <small className="p-error">Le type est obligatoire.</small>}
                        </div>

                        <div className="field col-12 md:col-6">
                            <label htmlFor="marque" className="font-bold">Marque</label>
                            <InputText
                                id="marque"
                                value={materiel.marque}
                                onChange={(e) => onInputChange(e, 'marque')}
                            />
                        </div>

                        <div className="field col-12 md:col-6">
                            <label htmlFor="modele" className="font-bold">Modèle</label>
                            <InputText
                                id="modele"
                                value={materiel.modele}
                                onChange={(e) => onInputChange(e, 'modele')}
                            />
                        </div>

                        <div className="field col-12 md:col-6">
                            <label htmlFor="numeroSerie" className="font-bold">Numéro de série</label>
                            <InputText
                                id="numeroSerie"
                                value={materiel.numeroSerie}
                                onChange={(e) => onInputChange(e, 'numeroSerie')}
                            />
                        </div>

                        <div className="field col-12 md:col-6">
                            <label htmlFor="statut" className="font-bold">Statut</label>
                            <Dropdown
                                id="statut"
                                value={materiel.statut}
                                onChange={(e) => onDropdownChange(e, 'statut')}
                                options={statutOptions}
                                placeholder="Sélectionner un statut"
                            />
                        </div>

                        <div className="field col-12 md:col-6">
                            <label htmlFor="dateAchat" className="font-bold">Date d'achat</label>
                            <Calendar
                                id="dateAchat"
                                value={materiel.dateAchat}
                                onChange={(e) => onDateChange(e, 'dateAchat')}
                                dateFormat="dd/mm/yy"
                                showIcon
                            />
                        </div>

                        <div className="field col-12 md:col-6">
                            <label htmlFor="valeurAchat" className="font-bold">Valeur d'achat</label>
                            <InputNumber
                                id="valeurAchat"
                                value={materiel.valeurAchat}
                                onValueChange={(e) => onInputNumberChange(e.value, 'valeurAchat')}
                                mode="currency"
                                currency="EUR"
                                locale="fr-FR"
                                min={0}
                            />
                        </div>

                        <div className="field col-12 md:col-6">
                            <label htmlFor="valeurActuelle" className="font-bold">Valeur actuelle</label>
                            <InputNumber
                                id="valeurActuelle"
                                value={materiel.valeurActuelle}
                                onValueChange={(e) => onInputNumberChange(e.value, 'valeurActuelle')}
                                mode="currency"
                                currency="EUR"
                                locale="fr-FR"
                                min={0}
                            />
                        </div>

                        <div className="field col-12 md:col-6">
                            <label htmlFor="localisation" className="font-bold">Localisation</label>
                            <InputText
                                id="localisation"
                                value={materiel.localisation}
                                onChange={(e) => onInputChange(e, 'localisation')}
                            />
                        </div>

                        <div className="field col-12 md:col-6">
                            <label htmlFor="proprietaire" className="font-bold">Propriétaire</label>
                            <InputText
                                id="proprietaire"
                                value={materiel.proprietaire}
                                onChange={(e) => onInputChange(e, 'proprietaire')}
                            />
                        </div>

                        <div className="field col-12 md:col-6">
                            <label htmlFor="quantiteStock" className="font-bold">Quantité en stock</label>
                            <InputNumber
                                id="quantiteStock"
                                value={materiel.quantiteStock}
                                onValueChange={(e) => onInputNumberChange(e.value, 'quantiteStock')}
                                min={0}
                                showButtons
                            />
                        </div>

                        <div className="field col-12 md:col-6">
                            <label htmlFor="seuilMinimum" className="font-bold">Seuil minimum</label>
                            <InputNumber
                                id="seuilMinimum"
                                value={materiel.seuilMinimum}
                                onValueChange={(e) => onInputNumberChange(e.value, 'seuilMinimum')}
                                min={0}
                                showButtons
                            />
                        </div>

                        <div className="field col-12 md:col-6">
                            <label htmlFor="unite" className="font-bold">Unité</label>
                            <InputText
                                id="unite"
                                value={materiel.unite}
                                onChange={(e) => onInputChange(e, 'unite')}
                                placeholder="ex: unité, kg, m, etc."
                            />
                        </div>

                        <div className="field col-12">
                            <label htmlFor="description" className="font-bold">Description</label>
                            <InputTextarea
                                id="description"
                                value={materiel.description}
                                onChange={(e) => onInputChange(e, 'description')}
                                rows={3}
                                cols={20}
                                placeholder="Description détaillée du matériel..."
                            />
                        </div>
                    </div>
                </Card>
            </div>
        </div>
    );
};

export default NouveauMaterielPage;