import React, { useState, useEffect } from "react";
import { EventType, EventStatus, Address } from "../types";
import { Input, Select } from "./Input";
import { Button } from "./Button";
import {
  MapPin,
  Upload,
  Plus,
  X,
  Check,
  FileText,
  ExternalLink,
  Search,
  CheckCircle,
  Building2,
  AlertCircle,
} from "lucide-react";
import {
  searchMapboxLocation,
  MapboxResult,
  reverseGeocode,
} from "../services/mapboxService";
import { useAuth } from "../contexts/AuthContext";
import { useData } from "../contexts/DataContext";
import { UserRole } from "../types";
import { InstitutionForm } from "./InstitutionForm";
import { MapboxMap } from "./MapboxMap";

interface EventFormProps {
  onCancel: () => void;
  onSubmit: (data: any) => void;
  initialData?: any;
}

export const EventForm: React.FC<EventFormProps> = ({
  onCancel,
  onSubmit,
  initialData,
}) => {
  const { user } = useAuth();
  const {
    institutions,
    getInstitutionsByUserId,
    addInstitution,
    getActiveCoursesByInstitutionId,
  } = useData();
  const [activeTab, setActiveTab] = useState<
    "details" | "location" | "briefing" | "files"
  >("details");
  const [addressQuery, setAddressQuery] = useState("");
  const [addressResults, setAddressResults] = useState<MapboxResult[]>([]);
  const [isSearching, setIsSearching] = useState(false);
  const [isGeocoding, setIsGeocoding] = useState(false);
  const [showToast, setShowToast] = useState(false);
  const [showInstitutionForm, setShowInstitutionForm] = useState(false);
  const [availableCourses, setAvailableCourses] = useState<any[]>([]);

  // Get institutions based on user role
  // Business owners and admins see all institutions, clients see only their own
  const userInstitutions = user
    ? user.role === UserRole.BUSINESS_OWNER || user.role === UserRole.SUPERADMIN
      ? institutions
      : getInstitutionsByUserId(user.id)
    : [];

  // Default State or Initial Data
  const [formData, setFormData] = useState(
    initialData || {
      name: "",
      date: "",
      time: "",
      startTime: "",
      endTime: "",
      type: "",
      status: EventStatus.PLANNING,
      address: {
        street: "",
        number: "",
        city: "",
        state: "",
        zip: "",
        lat: -22.7394,
        lng: -47.3314,
        mapLink: "",
      } as Address,
      briefing: "",
      contacts: [{ name: "", role: "", phone: "" }],
      files: [] as File[],
      institutionId: "",
      attendees: "",
      courseId: "",
    }
  );

  const isClientRequest = user?.role === UserRole.EVENT_OWNER;
  const formTitle = initialData
    ? "Editar Evento"
    : isClientRequest
    ? "Solicitar Orçamento/Evento"
    : "Cadastrar Novo Evento";
  const submitLabel = initialData
    ? "Salvar Alterações"
    : isClientRequest
    ? "Enviar Solicitação"
    : "Criar Evento";

  // Carregar cursos disponíveis quando instituição for selecionada
  useEffect(() => {
    if (formData.institutionId) {
      const courses = getActiveCoursesByInstitutionId(formData.institutionId);
      setAvailableCourses(courses);
    } else {
      setAvailableCourses([]);
      // Limpa o curso selecionado se a instituição mudar
      if (formData.courseId) {
        setFormData((prev: any) => ({ ...prev, courseId: "" }));
      }
    }
  }, [formData.institutionId, getActiveCoursesByInstitutionId]);

  // Address Autocomplete Logic using Mapbox
  useEffect(() => {
    const timer = setTimeout(async () => {
      if (addressQuery.length > 3) {
        setIsSearching(true);
        const results = await searchMapboxLocation(addressQuery);
        setAddressResults(results);
        setIsSearching(false);
      } else {
        setAddressResults([]);
      }
    }, 500);
    return () => clearTimeout(timer);
  }, [addressQuery]);

  const handleAddressSelect = (addr: MapboxResult) => {
    setFormData((prev: any) => ({
      ...prev,
      address: {
        street: addr.street,
        number: addr.number,
        city: addr.city,
        state: addr.state,
        zip: addr.zip,
        lat: addr.lat,
        lng: addr.lng,
        mapLink: addr.mapLink,
      },
    }));
    setAddressQuery("");
    setAddressResults([]);
  };

  const handleMapLocationChange = async (lat: number, lng: number) => {
    // Buscar endereço baseado nas coordenadas
    const addressData = await reverseGeocode(lat, lng);

    if (addressData) {
      setFormData((prev: any) => ({
        ...prev,
        address: {
          street: addressData.street,
          number: addressData.number,
          city: addressData.city,
          state: addressData.state,
          zip: addressData.zip,
          lat: addressData.lat,
          lng: addressData.lng,
          mapLink: addressData.mapLink,
        },
      }));
    } else {
      // Se não conseguir o endereço, atualiza apenas as coordenadas
      setFormData((prev: any) => ({
        ...prev,
        address: {
          ...prev.address,
          lat,
          lng,
          mapLink: `https://www.google.com/maps/search/?api=1&query=${lat},${lng}`,
        },
      }));
    }
  };

  // Geocoding quando o usuário digita o endereço manualmente
  const handleManualAddressChange = async () => {
    const { street, number, city, state } = formData.address;

    // Montar query de busca
    const query = `${street} ${number}, ${city}, ${state}`.trim();

    if (query.length < 5) return; // Endereço muito curto

    setIsGeocoding(true);

    try {
      const results = await searchMapboxLocation(query);

      if (results.length > 0) {
        const firstResult = results[0];

        setFormData((prev: any) => ({
          ...prev,
          address: {
            ...prev.address,
            lat: firstResult.lat,
            lng: firstResult.lng,
            mapLink: firstResult.mapLink,
          },
        }));
      }
    } catch (error) {
      console.error("Erro ao geocodificar endereço manual:", error);
    } finally {
      setIsGeocoding(false);
    }
  };

  const addContact = () => {
    setFormData((prev: any) => ({
      ...prev,
      contacts: [...prev.contacts, { name: "", role: "", phone: "" }],
    }));
  };

  const removeContact = (index: number) => {
    const newContacts = [...formData.contacts];
    newContacts.splice(index, 1);
    setFormData((prev: any) => ({ ...prev, contacts: newContacts }));
  };

  const handleFileUpload = (e: React.ChangeEvent<HTMLInputElement>) => {
    if (e.target.files) {
      setFormData((prev: any) => ({
        ...prev,
        files: [...prev.files, ...Array.from(e.target.files || [])],
      }));
    }
  };

  const handleSubmit = () => {
    // Validate institution selection
    if (!formData.institutionId) {
      alert("Por favor, selecione uma instituição antes de continuar.");
      return;
    }

    // Validate course selection
    if (!formData.courseId) {
      alert("Por favor, selecione um curso/turma antes de continuar.");
      return;
    }

    // Show toast
    setShowToast(true);
    // Call original submit after small delay for visual effect or immediately
    setTimeout(() => {
      onSubmit(formData);
    }, 1000);
  };

  const handleInstitutionSubmit = (institutionData: any) => {
    const newInstitution = {
      ...institutionData,
      id: `inst-${Date.now()}`,
      ownerId: user?.id || "",
    };
    addInstitution(newInstitution);
    setFormData((prev) => ({ ...prev, institutionId: newInstitution.id }));
    setShowInstitutionForm(false);
  };

  // Show institution form modal
  if (showInstitutionForm) {
    return (
      <div className="fixed inset-0 bg-black/50 flex items-center justify-center z-50 p-4">
        <InstitutionForm
          onCancel={() => setShowInstitutionForm(false)}
          onSubmit={handleInstitutionSubmit}
          userId={user?.id || ""}
        />
      </div>
    );
  }

  return (
    <div className="bg-white rounded-lg shadow-xl overflow-hidden max-w-4xl mx-auto border border-gray-100 slide-up relative">
      {/* Success Toast */}
      {showToast && (
        <div className="absolute top-4 right-4 z-50 bg-brand-black text-white px-4 sm:px-6 py-3 sm:py-4 rounded shadow-2xl flex items-center space-x-2 sm:space-x-3 fade-in">
          <CheckCircle className="text-brand-gold h-5 w-5 sm:h-6 sm:w-6" />
          <div>
            <h4 className="font-bold text-xs sm:text-sm">Sucesso!</h4>
            <p className="text-[10px] sm:text-xs text-gray-300">
              As informações foram salvas.
            </p>
          </div>
        </div>
      )}

      {/* Form Header */}
      <div className="bg-gray-50 border-b px-4 sm:px-6 md:px-8 py-4 sm:py-5 md:py-6">
        <div className="flex flex-col sm:flex-row sm:justify-between sm:items-center gap-3 sm:gap-0">
          <div>
            <h2 className="text-xl sm:text-2xl font-serif text-brand-black">
              {formTitle}
            </h2>
            <p className="text-xs sm:text-sm text-gray-500 mt-1">
              {isClientRequest
                ? "Preencha os detalhes do seu sonho. Nossa equipe analisará em breve."
                : "Preencha as informações técnicas do evento."}
            </p>
          </div>
          {/* Step indicators - Hidden on mobile, shown on tablet+ */}
          <div className="hidden sm:flex space-x-2">
            {["details", "location", "briefing", "files"].map((tab, idx) => (
              <div
                key={tab}
                className={`flex flex-col items-center ${
                  activeTab === tab ? "opacity-100" : "opacity-40"
                }`}
              >
                <span
                  className={`w-7 h-7 sm:w-8 sm:h-8 rounded-full flex items-center justify-center text-xs font-bold mb-1 ${
                    activeTab === tab
                      ? "bg-[#492E61] text-white"
                      : "bg-gray-200 text-gray-600"
                  }`}
                >
                  {idx + 1}
                </span>
              </div>
            ))}
          </div>
        </div>
      </div>

      {/* Mobile Tabs - Horizontal */}
      <div className="lg:hidden border-b border-gray-200 bg-white overflow-x-auto scrollbar-hide">
        <div className="flex min-w-max">
          {[
            { id: "details", label: "Detalhes", icon: "1" },
            { id: "location", label: "Localização", icon: "2" },
            {
              id: "briefing",
              label: isClientRequest ? "Desejos" : "Briefing",
              icon: "3",
            },
            { id: "files", label: "Arquivos", icon: "4" },
          ].map((item) => (
            <button
              key={item.id}
              onClick={() => setActiveTab(item.id as any)}
              className={`flex-1 px-4 py-3 text-xs sm:text-sm font-medium transition-colors border-b-2 whitespace-nowrap ${
                activeTab === item.id
                  ? "text-brand-gold border-brand-gold bg-brand-gold/5"
                  : "text-gray-500 border-transparent hover:bg-gray-50"
              }`}
            >
              <span
                className="inline-block w-5 h-5 rounded-full text-[10px] leading-5 text-center mr-1.5 ${
                activeTab === item.id ? 'bg-brand-gold text-white' : 'bg-gray-200 text-gray-600'
              }"
              >
                {item.icon}
              </span>
              {item.label}
            </button>
          ))}
        </div>
      </div>

      <div className="lg:grid lg:grid-cols-4 min-h-[500px]">
        {/* Desktop Sidebar Navigation */}
        <div className="hidden lg:block lg:col-span-1 border-r border-gray-100 bg-gray-50/50 p-4 space-y-2">
          {[
            { id: "details", label: "Detalhes & Data" },
            { id: "location", label: "Localização" },
            {
              id: "briefing",
              label: isClientRequest ? "Seus Desejos" : "Briefing & Equipe",
            },
            { id: "files", label: "Inspirações" },
          ].map((item) => (
            <button
              key={item.id}
              onClick={() => setActiveTab(item.id as any)}
              className={`w-full text-left px-4 py-3 rounded-sm text-sm font-medium transition-colors ${
                activeTab === item.id
                  ? "bg-white shadow-sm text-brand-gold border-l-4 border-brand-gold"
                  : "text-gray-500 hover:bg-gray-100"
              }`}
            >
              {item.label}
            </button>
          ))}
        </div>

        {/* Form Content */}
        <div className="lg:col-span-3 p-4 sm:p-6 md:p-8">
          {activeTab === "details" && (
            <div className="space-y-6 fade-in">
              <div className="grid grid-cols-1 gap-6">
                <Input
                  label="Nome do Evento (Opcional)"
                  placeholder="Ex: Formatura Educação Física 2025"
                  value={formData.name}
                  onChange={(e) =>
                    setFormData({ ...formData, name: e.target.value })
                  }
                />
                <Input
                  label="Data Pretendida"
                  type="date"
                  value={formData.date}
                  onChange={(e) =>
                    setFormData({ ...formData, date: e.target.value })
                  }
                />

                <div className="grid grid-cols-1 sm:grid-cols-2 gap-4">
                  <Input
                    label="Horário de Início*"
                    type="time"
                    value={formData.startTime}
                    onChange={(e) =>
                      setFormData({ ...formData, startTime: e.target.value })
                    }
                    required
                  />
                  <Input
                    label="Horário de Término*"
                    type="time"
                    value={formData.endTime}
                    onChange={(e) =>
                      setFormData({ ...formData, endTime: e.target.value })
                    }
                    required
                  />
                </div>

                <Select
                  label="Tipo de Evento"
                  options={Object.values(EventType).map((t) => ({
                    value: t,
                    label: t,
                  }))}
                  value={formData.type}
                  onChange={(e) =>
                    setFormData({ ...formData, type: e.target.value })
                  }
                />

                <Input
                  label="Número de Pessoas"
                  placeholder="Ex: 150"
                  value={formData.attendees}
                  onChange={(e) => {
                    const value = e.target.value;
                    // Permite apenas números
                    if (value === "" || /^\d+$/.test(value)) {
                      setFormData({ ...formData, attendees: value });
                    }
                  }}
                  type="text"
                  inputMode="numeric"
                />

                {/* Institution Selection - OBRIGATÓRIO */}
                <div>
                  <label className="block text-sm font-medium text-gray-700 mb-1 tracking-wide uppercase text-xs">
                    Universidade*{" "}
                    <span className="text-brand-gold">(Obrigatório)</span>
                  </label>

                  {userInstitutions.length === 0 ? (
                    <div className="border-2 border-dashed border-amber-300 bg-amber-50 rounded-sm p-4">
                      <div className="flex items-start space-x-3">
                        <AlertCircle
                          className="text-amber-600 flex-shrink-0 mt-0.5"
                          size={20}
                        />
                        <div className="flex-1">
                          <p className="text-sm font-medium text-amber-900 mb-2">
                            Nenhuma universidade cadastrada
                          </p>
                          <p className="text-xs text-amber-700 mb-3">
                            Você precisa cadastrar uma universidade antes de
                            criar um evento. Trabalhamos exclusivamente com
                            eventos fotográficos em universidades.
                          </p>
                          <button
                            type="button"
                            onClick={() => setShowInstitutionForm(true)}
                            className="text-xs font-bold text-amber-900 hover:text-amber-700 underline flex items-center"
                          >
                            <Plus size={14} className="mr-1" />
                            Cadastrar minha primeira universidade
                          </button>
                        </div>
                      </div>
                    </div>
                  ) : (
                    <div className="space-y-2">
                      <select
                        className="w-full px-4 py-2 border border-gray-300 rounded-sm focus:outline-none focus:ring-1 focus:ring-brand-gold focus:border-brand-gold transition-colors"
                        value={formData.institutionId}
                        onChange={(e) =>
                          setFormData({
                            ...formData,
                            institutionId: e.target.value,
                          })
                        }
                        required
                      >
                        <option value="">Selecione uma universidade</option>
                        {userInstitutions.map((inst) => (
                          <option key={inst.id} value={inst.id}>
                            {inst.name} - {inst.type}
                          </option>
                        ))}
                      </select>

                      <button
                        type="button"
                        onClick={() => setShowInstitutionForm(true)}
                        className="text-xs text-brand-gold hover:underline flex items-center"
                      >
                        <Plus size={12} className="mr-1" />
                        Cadastrar nova universidade
                      </button>

                      {formData.institutionId && (
                        <div className="bg-green-50 border border-green-200 rounded-sm p-3 flex items-center">
                          <Check size={16} className="text-green-600 mr-2" />
                          <span className="text-xs text-green-800">
                            Universidade selecionada com sucesso
                          </span>
                        </div>
                      )}
                    </div>
                  )}
                </div>

                {/* Course Selection - Condicional baseado na instituição */}
                {formData.institutionId && (
                  <div>
                    <label className="block text-sm font-medium text-gray-700 mb-1 tracking-wide uppercase text-xs">
                      Curso/Turma <span className="text-red-500">*</span>
                    </label>

                    {availableCourses.length === 0 ? (
                      <div className="border-2 border-dashed border-gray-300 bg-gray-50 rounded-sm p-4">
                        <div className="flex items-start space-x-3">
                          <AlertCircle
                            className="text-gray-400 flex-shrink-0 mt-0.5"
                            size={20}
                          />
                          <div className="flex-1">
                            <p className="text-sm font-medium text-gray-700 mb-1">
                              Nenhum curso cadastrado
                            </p>
                            <p className="text-xs text-gray-500">
                              Entre em contato com a administração para
                              cadastrar os cursos/turmas disponíveis nesta
                              universidade.
                            </p>
                          </div>
                        </div>
                      </div>
                    ) : (
                      <select
                        className="w-full px-4 py-2 border border-gray-300 rounded-sm focus:outline-none focus:ring-1 focus:ring-brand-gold focus:border-brand-gold transition-colors"
                        value={formData.courseId}
                        onChange={(e) =>
                          setFormData({
                            ...formData,
                            courseId: e.target.value,
                          })
                        }
                        required
                      >
                        <option value="">Selecione um curso *</option>
                        {availableCourses.map((course) => (
                          <option key={course.id} value={course.id}>
                            {course.name} - {course.graduationType} (
                            {course.year}/{course.semester}º sem)
                          </option>
                        ))}
                      </select>
                    )}
                  </div>
                )}
              </div>

              <div className="flex flex-col sm:flex-row justify-end gap-3 sm:gap-0 mt-8">
                <Button
                  onClick={() => setActiveTab("location")}
                  className="w-full sm:w-auto"
                >
                  Próximo: Localização
                </Button>
              </div>
            </div>
          )}

          {activeTab === "location" && (
            <div className="space-y-6 fade-in">
              <div className="relative">
                <label className="block text-sm font-medium text-gray-700 mb-1 tracking-wide uppercase text-xs">
                  Busca de Endereço (Powered by Mapbox)
                </label>
                <div className="relative">
                  <input
                    className="w-full px-4 py-2 border border-gray-300 rounded-sm focus:outline-none focus:ring-1 focus:ring-brand-gold focus:border-brand-gold transition-colors pr-10"
                    placeholder="Digite o nome do local ou endereço..."
                    value={addressQuery}
                    onChange={(e) => setAddressQuery(e.target.value)}
                  />
                  <div className="absolute right-3 top-2.5 text-gray-400">
                    {isSearching ? (
                      <div className="animate-spin h-5 w-5 border-2 border-brand-gold rounded-full border-t-transparent"></div>
                    ) : (
                      <Search size={20} />
                    )}
                  </div>
                </div>

                {addressResults.length > 0 && (
                  <ul className="absolute z-10 w-full bg-white border mt-1 shadow-lg rounded-sm max-h-64 overflow-y-auto">
                    {addressResults.map((addr, idx) => (
                      <li
                        key={idx}
                        className="px-4 py-3 hover:bg-gray-50 cursor-pointer text-sm border-b border-gray-50 last:border-0"
                        onClick={() => handleAddressSelect(addr)}
                      >
                        <div className="flex justify-between items-start">
                          <div className="flex items-start">
                            <MapPin
                              size={16}
                              className="mt-0.5 mr-2 text-brand-gold flex-shrink-0"
                            />
                            <div>
                              <p className="font-medium text-gray-800">
                                {addr.description}
                              </p>
                              <p className="text-xs text-gray-500 mt-0.5">
                                {addr.city}, {addr.state}
                              </p>
                            </div>
                          </div>
                          {addr.mapLink && (
                            <span className="flex items-center text-[10px] text-blue-600 bg-blue-50 px-2 py-1 rounded ml-2">
                              <img
                                src="https://www.google.com/images/branding/product/ico/maps15_bnuw3a_32dp.png"
                                alt="Maps"
                                className="w-3 h-3 mr-1"
                              />
                              Maps
                            </span>
                          )}
                        </div>
                      </li>
                    ))}
                  </ul>
                )}
              </div>

              <div className="grid grid-cols-1 sm:grid-cols-3 gap-4">
                <div className="sm:col-span-2">
                  <Input
                    label="Rua"
                    value={formData.address.street}
                    onChange={(e) => {
                      setFormData({
                        ...formData,
                        address: {
                          ...formData.address,
                          street: e.target.value,
                        },
                      });
                    }}
                    onBlur={handleManualAddressChange}
                    placeholder="Digite o nome da rua"
                  />
                </div>
                <Input
                  label="Número"
                  placeholder="123"
                  value={formData.address.number}
                  onChange={(e) => {
                    const value = e.target.value;
                    setFormData({
                      ...formData,
                      address: { ...formData.address, number: value },
                    });
                  }}
                  onBlur={handleManualAddressChange}
                  type="text"
                  inputMode="numeric"
                />
              </div>
              <div className="grid grid-cols-1 sm:grid-cols-2 gap-4">
                <Input
                  label="Cidade"
                  value={formData.address.city}
                  onChange={(e) => {
                    setFormData({
                      ...formData,
                      address: { ...formData.address, city: e.target.value },
                    });
                  }}
                  onBlur={handleManualAddressChange}
                  placeholder="Digite a cidade"
                />
                <Input
                  label="Estado"
                  value={formData.address.state}
                  onChange={(e) => {
                    const value = e.target.value.toUpperCase().slice(0, 2);
                    setFormData({
                      ...formData,
                      address: { ...formData.address, state: value },
                    });
                  }}
                  onBlur={handleManualAddressChange}
                  placeholder="SP"
                  maxLength={2}
                />
              </div>

              {/* Mapa Interativo */}
              <div className="mt-6">
                <label className="block text-sm font-medium text-gray-700 mb-3 tracking-wide uppercase text-xs flex items-center justify-between">
                  <span>📍 Mapa Interativo - Ajuste a Localização Exata</span>
                  {isGeocoding && (
                    <span className="text-xs text-brand-gold flex items-center normal-case">
                      <div className="animate-spin h-3 w-3 border-2 border-brand-gold rounded-full border-t-transparent mr-2"></div>
                      Localizando no mapa...
                    </span>
                  )}
                </label>
                <MapboxMap
                  initialLat={formData.address.lat || -22.7394}
                  initialLng={formData.address.lng || -47.3314}
                  onLocationChange={handleMapLocationChange}
                  height="300px"
                  className="sm:h-[400px] md:h-[450px]"
                />
              </div>

              {formData.address.mapLink && (
                <div className="bg-gray-50 p-3 rounded border border-gray-200 flex items-center justify-between">
                  <span className="text-xs text-gray-500 flex items-center">
                    <Check size={14} className="mr-1 text-green-500" />
                    Localização verificada via Mapbox
                  </span>
                  <a
                    href={formData.address.mapLink}
                    target="_blank"
                    rel="noreferrer"
                    className="text-xs text-brand-gold flex items-center hover:underline"
                  >
                    Ver no mapa <ExternalLink size={12} className="ml-1" />
                  </a>
                </div>
              )}

              <div className="flex flex-col sm:flex-row justify-between gap-3 mt-8">
                <Button
                  variant="outline"
                  onClick={() => setActiveTab("details")}
                  className="w-full sm:w-auto"
                >
                  Voltar
                </Button>
                <Button
                  onClick={() => setActiveTab("briefing")}
                  className="w-full sm:w-auto"
                >
                  Próximo
                </Button>
              </div>
            </div>
          )}

          {activeTab === "briefing" && (
            <div className="space-y-6 fade-in">
              <div>
                <label className="block text-sm font-medium text-gray-700 mb-1 tracking-wide uppercase text-xs">
                  {isClientRequest
                    ? "Conte-nos sobre o seu sonho"
                    : "Briefing Técnico"}
                </label>
                <textarea
                  className="w-full border border-gray-300 rounded-sm p-3 focus:outline-none focus:border-brand-gold h-32 text-sm"
                  placeholder={
                    isClientRequest
                      ? "Qual o estilo do casamento? Quais fotos são indispensáveis? Fale um pouco sobre vocês..."
                      : "Instruções técnicas..."
                  }
                  value={formData.briefing}
                  onChange={(e) =>
                    setFormData({ ...formData, briefing: e.target.value })
                  }
                ></textarea>
              </div>

              <div>
                <div className="flex justify-between items-center mb-2">
                  <label className="text-sm font-medium text-gray-700 tracking-wide uppercase text-xs">
                    Contatos / Responsáveis
                  </label>
                  <button
                    onClick={addContact}
                    className="text-xs text-brand-gold font-bold hover:underline flex items-center"
                  >
                    <Plus size={14} className="mr-1" /> Adicionar
                  </button>
                </div>
                <div className="space-y-3">
                  {formData.contacts.map((contact: any, idx: number) => (
                    <div key={idx} className="flex space-x-2 items-start">
                      <Input
                        label={idx === 0 ? "Nome" : ""}
                        placeholder="Nome"
                        value={contact.name}
                        onChange={(e) => {
                          const newContacts = [...formData.contacts];
                          newContacts[idx].name = e.target.value;
                          setFormData({ ...formData, contacts: newContacts });
                        }}
                      />
                      <Input
                        label={idx === 0 ? "Papel" : ""}
                        placeholder="Ex: Cerimonialista"
                        value={contact.role}
                        onChange={(e) => {
                          const newContacts = [...formData.contacts];
                          newContacts[idx].role = e.target.value;
                          setFormData({ ...formData, contacts: newContacts });
                        }}
                      />
                      <button
                        onClick={() => removeContact(idx)}
                        className={`mt-1 p-2 text-gray-400 hover:text-red-500 ${
                          idx === 0 ? "mt-7" : ""
                        }`}
                      >
                        <X size={16} />
                      </button>
                    </div>
                  ))}
                </div>
              </div>

              <div className="flex flex-col sm:flex-row justify-between gap-3 mt-8">
                <Button
                  variant="outline"
                  onClick={() => setActiveTab("location")}
                  className="w-full sm:w-auto"
                >
                  Voltar
                </Button>
                <Button
                  onClick={() => setActiveTab("files")}
                  className="w-full sm:w-auto"
                >
                  Próximo
                </Button>
              </div>
            </div>
          )}

          {activeTab === "files" && (
            <div className="space-y-6 fade-in">
              <div className="border-2 border-dashed border-gray-300 rounded-lg p-10 text-center hover:bg-gray-50 transition-colors relative">
                <input
                  type="file"
                  multiple
                  className="absolute inset-0 w-full h-full opacity-0 cursor-pointer"
                  onChange={handleFileUpload}
                />
                <Upload size={40} className="mx-auto text-gray-400 mb-4" />
                <p className="text-sm text-gray-600 font-medium">
                  {isClientRequest
                    ? "Anexe referências visuais (Moodboard)"
                    : "Anexe contratos e cronogramas"}
                </p>
                <p className="text-xs text-gray-400 mt-1">
                  PDF, JPG, PNG (Max 10MB)
                </p>
              </div>

              {formData.files.length > 0 && (
                <div className="space-y-2">
                  <h4 className="text-sm font-medium text-gray-700">
                    Arquivos Selecionados:
                  </h4>
                  {formData.files.map((file: any, idx: number) => (
                    <div
                      key={idx}
                      className="flex items-center justify-between p-3 bg-gray-50 rounded border border-gray-100"
                    >
                      <div className="flex items-center">
                        <FileText size={18} className="text-brand-gold mr-3" />
                        <div>
                          <p className="text-sm font-medium">{file.name}</p>
                          <p className="text-xs text-gray-400">
                            {(file.size / 1024).toFixed(1)} KB
                          </p>
                        </div>
                      </div>
                      <Check size={16} className="text-green-500" />
                    </div>
                  ))}
                </div>
              )}

              <div className="flex flex-col sm:flex-row justify-between gap-3 mt-8">
                <Button
                  variant="outline"
                  onClick={() => setActiveTab("briefing")}
                  className="w-full sm:w-auto"
                >
                  Voltar
                </Button>
                <Button
                  onClick={handleSubmit}
                  variant="secondary"
                  className="w-full sm:w-auto"
                >
                  {submitLabel}
                </Button>
              </div>
            </div>
          )}
        </div>
      </div>
    </div>
  );
};
