import React, { useState, useMemo } from 'react';
import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
import { Badge } from '@/components/ui/badge';
import { Button } from '@/components/ui/button';
import { Input } from '@/components/ui/input';
import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from '@/components/ui/select';
import {
  Flame,
  CheckCircle2,
  AlertTriangle,
  Clock,
  Layers,
  Search,
  RefreshCw,
  ChevronDown,
  ChevronUp,
  PackageCheck,
  ShieldCheck,
  Wrench,
  Scissors,
  Info
} from 'lucide-react';
import { useKitsProducao, PecaKitInfo } from '@/hooks/useKitsProducao';
import { useOFsAtivas, OFAtiva } from '@/hooks/useOFsAtivas';

interface MapaTermicoKitsViewProps {
  initialOF?: string;
  initialFase?: string;
  readOnlyOF?: boolean;
  onSelectPecaParaApontar?: (peca: PecaKitInfo) => void;
}

export const MapaTermicoKitsView: React.FC<MapaTermicoKitsViewProps> = ({
  initialOF = '',
  initialFase = 'all',
  readOnlyOF = false,
  onSelectPecaParaApontar,
}) => {
  const { ofsAtivas, isLoading: loadingOFs } = useOFsAtivas();
  const [selectedOF, setSelectedOF] = useState<string>(initialOF || '');
  const [selectedFase, setSelectedFase] = useState<string>(initialFase);
  const [busca, setBusca] = useState<string>('');
  const [filtroStatus, setFiltroStatus] = useState<'todos' | 'liberados' | 'parciais' | 'travados'>('todos');
  const [pecasExpandidas, setPecasExpandidas] = useState<Set<string>>(new Set());

  // Atualizar OF padrão se carregar depois
  React.useEffect(() => {
    if (initialOF) {
      setSelectedOF(initialOF);
    } else if (!selectedOF && ofsAtivas.length > 0) {
      setSelectedOF(ofsAtivas[0].of_number);
    }
  }, [initialOF, ofsAtivas, selectedOF]);

  const { listaKits, resumoKits, loading, refetch } = useKitsProducao(selectedOF);

  // Extrair fases únicas da lista de kits carregada de toda a OF
  const fasesDisponiveis = useMemo(() => {
    const s = new Set<string>();
    listaKits.forEach((k) => {
      if (k.etapa_fase && k.etapa_fase.trim()) s.add(k.etapa_fase.trim());
    });
    return Array.from(s).sort((a, b) => a.localeCompare(b, undefined, { numeric: true, sensitivity: 'base' }));
  }, [listaKits]);

  // Alternar expansão de componentes de uma peça
  const toggleExpand = (pecaId: string) => {
    setPecasExpandidas((prev) => {
      const next = new Set(prev);
      if (next.has(pecaId)) {
        next.delete(pecaId);
      } else {
        next.add(pecaId);
      }
      return next;
    });
  };

  const expandirTodas = () => {
    setPecasExpandidas(new Set(listaKits.map((k) => k.peca_id)));
  };

  const recolherTodas = () => {
    setPecasExpandidas(new Set());
  };

  // Filtragem combinada (Fase + Status + Busca textual)
  const pecasFiltradas = useMemo(() => {
    return listaKits.filter((item) => {
      // Filtro de fase
      if (selectedFase && selectedFase !== 'all' && selectedFase !== 'todas') {
        if (item.etapa_fase !== selectedFase) return false;
      }

      // Filtro de status
      if (filtroStatus === 'liberados') {
        if (item.kits_completos_cortados <= 0) return false;
      } else if (filtroStatus === 'parciais') {
        if (
          item.kits_completos_cortados >= item.quantidade_total ||
          item.status_termico === 'vermelho'
        )
          return false;
      } else if (filtroStatus === 'travados') {
        if (item.status_termico !== 'vermelho') return false;
      }

      // Filtro de busca textual
      if (busca.trim()) {
        const t = busca.toLowerCase().trim();
        const bateMarca = item.marca.toLowerCase().includes(t);
        const bateDesc = (item.descricao || '').toLowerCase().includes(t);
        const batePerfil = (item.perfil_principal || '').toLowerCase().includes(t);
        const bateComp = item.componentes.some((c) =>
          c.marca_componente.toLowerCase().includes(t) || (c.perfil || '').toLowerCase().includes(t)
        );
        if (!bateMarca && !bateDesc && !batePerfil && !bateComp) return false;
      }

      return true;
    });
  }, [listaKits, selectedFase, filtroStatus, busca]);

  // Formatação de pesos em kg
  const formatarKg = (valorKg: number) => {
    if (!valorKg || valorKg <= 0) return '0 kg';
    return `${valorKg.toLocaleString('pt-BR', { minimumFractionDigits: 1, maximumFractionDigits: 1 })} kg`;
  };

  // KPIs calculados com base nas peças filtradas
  const resumoExibido = useMemo(() => {
    let total100 = 0;
    let totalParciais = 0;
    let totalTravados = 0;
    let pesoTot = 0;
    let pesoCort = 0;
    let peso100 = 0;
    let pesoUnLiberadas = 0;
    let pesoParciais = 0;
    let pesoNaoIniciados = 0;
    let unTot = 0;
    let unLib = 0;

    pecasFiltradas.forEach((item) => {
      unTot += item.quantidade_total;
      unLib += item.kits_completos_cortados;
      pesoTot += item.peso_total_peca;
      pesoCort += item.peso_cortado_componentes;
      pesoUnLiberadas += item.peso_kits_liberados;

      if (item.status_termico === 'verde') {
        total100++;
        peso100 += item.peso_total_peca;
      } else if (item.status_termico === 'verde_parcial' || item.status_termico === 'amarelo') {
        totalParciais++;
        pesoParciais += item.peso_total_peca;
      } else {
        totalTravados++;
        pesoNaoIniciados += item.peso_total_peca;
      }
    });

    return {
      totalPecas: pecasFiltradas.length,
      totalKits100Porcento: total100,
      totalKitsParciais: totalParciais,
      totalKitsNaoIniciados: totalTravados,
      pesoTotalOFKg: pesoTot,
      pesoCortadoTotalKg: pesoCort,
      peso100PorcentoKg: peso100,
      pesoUnidadesLiberadasKg: pesoUnLiberadas,
      pesoParciaisKg: pesoParciais,
      pesoNaoIniciadosKg: pesoNaoIniciados,
      percentualGeralOF: pesoTot > 0 ? Math.min(100, Math.round((pesoCort / pesoTot) * 100)) : 0,
      totalUnidadesTotal: unTot,
      totalUnidadesLiberadasSolda: unLib,
    };
  }, [pecasFiltradas]);

  return (
    <div className="space-y-4 w-full">
      {/* ──────────────── Barra de Controles e Seletores ──────────────── */}
      <Card className="border border-slate-200 dark:border-slate-800 bg-white/90 dark:bg-slate-900/90 shadow-sm">
        <CardContent className="p-4 space-y-3">
          <div className="flex items-center justify-between gap-3 flex-wrap">
            <div className="flex items-center gap-2">
              <div className="p-2 rounded-xl bg-orange-100 text-orange-600 dark:bg-orange-950/60 dark:text-orange-400">
                <Flame className="w-5 h-5 animate-pulse" />
              </div>
              <div>
                <h3 className="font-black text-slate-900 dark:text-slate-100 tracking-tight text-base sm:text-lg flex items-center gap-2">
                  <span>Mapa Térmico de Kits de Produção</span>
                  <Badge variant="outline" className="border-orange-300 text-orange-700 dark:border-orange-800 dark:text-orange-400 text-xs font-bold">
                    Corte ➔ Solda
                  </Badge>
                </h3>
                <p className="text-xs text-slate-500 dark:text-slate-400">
                  Prontidão física de montagem: kits cortados disponíveis para liberar a Solda
                </p>
              </div>
            </div>

            <Button
              variant="outline"
              size="sm"
              onClick={() => refetch()}
              disabled={loading}
              className="text-xs gap-1.5 h-8 font-semibold"
            >
              <RefreshCw className={`w-3.5 h-3.5 ${loading ? 'animate-spin' : ''}`} />
              <span>Atualizar</span>
            </Button>
          </div>

          <div className="grid grid-cols-1 sm:grid-cols-3 gap-3 pt-1">
            {/* Seletor de OF */}
            <div>
              <label className="text-xs font-bold text-slate-600 dark:text-slate-400 block mb-1">
                Ordem de Fabricação (OF)
              </label>
              {readOnlyOF ? (
                <div className="h-9 px-3 rounded-lg border border-slate-200 dark:border-slate-800 bg-slate-100 dark:bg-slate-800 flex items-center font-bold text-xs">
                  OF {selectedOF}
                </div>
              ) : (
                <Select
                  value={selectedOF}
                  onValueChange={(val) => {
                    setSelectedOF(val);
                    setSelectedFase('all');
                  }}
                  disabled={loadingOFs}
                >
                  <SelectTrigger className="h-9 text-xs font-semibold">
                    <SelectValue placeholder={loadingOFs ? "Carregando OFs..." : "Selecione uma OF..."}>
                      {selectedOF ? `OF ${selectedOF}` : undefined}
                    </SelectValue>
                  </SelectTrigger>
                  <SelectContent className="max-h-72">
                    {ofsAtivas.map((o) => (
                      <SelectItem key={o.of_number} value={o.of_number}>
                        OF {o.of_number} {o.cliente ? `• ${o.cliente}` : o.descricao_resumida ? `• ${o.descricao_resumida}` : ''}
                      </SelectItem>
                    ))}
                  </SelectContent>
                </Select>
              )}
            </div>

            {/* Seletor de Fase */}
            <div>
              <label className="text-xs font-bold text-slate-600 dark:text-slate-400 block mb-1">
                Fase da OF
              </label>
              <Select value={selectedFase} onValueChange={setSelectedFase}>
                <SelectTrigger className="h-9 text-xs font-semibold">
                  <SelectValue placeholder="Todas as fases" />
                </SelectTrigger>
                <SelectContent>
                  <SelectItem value="all">Todas as fases</SelectItem>
                  {fasesDisponiveis.map((f) => (
                    <SelectItem key={f} value={f}>
                      {f.toLowerCase().startsWith('fase') ? f : `Fase ${f}`}
                    </SelectItem>
                  ))}
                </SelectContent>
              </Select>
            </div>

            {/* Busca Rápida */}
            <div>
              <label className="text-xs font-bold text-slate-600 dark:text-slate-400 block mb-1">
                Buscar Marca / Componente
              </label>
              <div className="relative">
                <Search className="w-3.5 h-3.5 absolute left-3 top-3 text-slate-400" />
                <Input
                  placeholder="Ex: V1, p2, W200..."
                  value={busca}
                  onChange={(e) => setBusca(e.target.value)}
                  className="h-9 pl-9 text-xs"
                />
              </div>
            </div>
          </div>
        </CardContent>
      </Card>

      {/* ──────────────── Cards de KPIs do Mapa Térmico ──────────────── */}
      {resumoExibido && (
        <div className="grid grid-cols-2 md:grid-cols-4 gap-2.5 sm:gap-3">
          {/* KPI 1: 100% Liberadas */}
          <div className="p-3.5 rounded-2xl bg-emerald-50/80 dark:bg-emerald-950/40 border border-emerald-200 dark:border-emerald-800 shadow-sm flex items-center justify-between">
            <div className="min-w-0">
              <div className="flex items-center gap-1.5 flex-wrap">
                <span className="text-[11px] font-black uppercase text-emerald-700 dark:text-emerald-400">
                  100% Liberadas
                </span>
                <span className="text-[11px] font-black text-emerald-800 dark:text-emerald-300 bg-emerald-200/80 dark:bg-emerald-900/70 px-1.5 py-0.5 rounded-md border border-emerald-300/80 dark:border-emerald-700 shadow-2xs">
                  {formatarKg(resumoExibido.peso100PorcentoKg)}
                </span>
              </div>
              <div className="text-2xl font-black text-emerald-900 dark:text-emerald-100 mt-1">
                {resumoExibido.totalKits100Porcento}
              </div>
              <div className="text-[10px] text-emerald-700/80 dark:text-emerald-400/80 font-medium truncate">
                peças com todos os kits cortados
              </div>
            </div>
            <div className="p-2.5 rounded-xl bg-emerald-100 text-emerald-700 dark:bg-emerald-900/60 dark:text-emerald-300 shrink-0 ml-2">
              <CheckCircle2 className="w-6 h-6" />
            </div>
          </div>

          {/* KPI 2: Kits Montáveis Liberados */}
          <div className="p-3.5 rounded-2xl bg-blue-50/80 dark:bg-blue-950/40 border border-blue-200 dark:border-blue-800 shadow-sm flex items-center justify-between">
            <div className="min-w-0">
              <div className="flex items-center gap-1.5 flex-wrap">
                <span className="text-[11px] font-black uppercase text-blue-700 dark:text-blue-400">
                  Unidades Liberadas
                </span>
                <span className="text-[11px] font-black text-blue-800 dark:text-blue-300 bg-blue-200/80 dark:bg-blue-900/70 px-1.5 py-0.5 rounded-md border border-blue-300/80 dark:border-blue-700 shadow-2xs">
                  {formatarKg(resumoExibido.pesoUnidadesLiberadasKg)}
                </span>
              </div>
              <div className="text-2xl font-black text-blue-900 dark:text-blue-100 mt-1">
                {resumoExibido.totalUnidadesLiberadasSolda} <span className="text-xs text-blue-600 font-bold">/ {resumoExibido.totalUnidadesTotal} un</span>
              </div>
              <div className="text-[10px] text-blue-700/80 dark:text-blue-400/80 font-medium truncate">
                kits prontos na bancada de solda
              </div>
            </div>
            <div className="p-2.5 rounded-xl bg-blue-100 text-blue-700 dark:bg-blue-900/60 dark:text-blue-300 shrink-0 ml-2">
              <PackageCheck className="w-6 h-6" />
            </div>
          </div>

          {/* KPI 3: Em Andamento / Quase Prontos */}
          <div className="p-3.5 rounded-2xl bg-amber-50/80 dark:bg-amber-950/40 border border-amber-200 dark:border-amber-800 shadow-sm flex items-center justify-between">
            <div className="min-w-0">
              <div className="flex items-center gap-1.5 flex-wrap">
                <span className="text-[11px] font-black uppercase text-amber-700 dark:text-amber-400">
                  Corte em Andamento
                </span>
                <span className="text-[11px] font-black text-amber-800 dark:text-amber-300 bg-amber-200/80 dark:bg-amber-900/70 px-1.5 py-0.5 rounded-md border border-amber-300/80 dark:border-amber-700 shadow-2xs">
                  {formatarKg(resumoExibido.pesoParciaisKg)}
                </span>
              </div>
              <div className="text-2xl font-black text-amber-900 dark:text-amber-100 mt-1">
                {resumoExibido.totalKitsParciais}
              </div>
              <div className="text-[10px] text-amber-700/80 dark:text-amber-400/80 font-medium truncate">
                kits parciais (prioridade de corte)
              </div>
            </div>
            <div className="p-2.5 rounded-xl bg-amber-100 text-amber-700 dark:bg-amber-900/60 dark:text-amber-300 shrink-0 ml-2">
              <Clock className="w-6 h-6" />
            </div>
          </div>

          {/* KPI 4: Travados / 0% */}
          <div className="p-3.5 rounded-2xl bg-rose-50/80 dark:bg-rose-950/40 border border-rose-200 dark:border-rose-800 shadow-sm flex items-center justify-between">
            <div className="min-w-0">
              <div className="flex items-center gap-1.5 flex-wrap">
                <span className="text-[11px] font-black uppercase text-rose-700 dark:text-rose-400">
                  Não Iniciados
                </span>
                <span className="text-[11px] font-black text-rose-800 dark:text-rose-300 bg-rose-200/80 dark:bg-rose-900/70 px-1.5 py-0.5 rounded-md border border-rose-300/80 dark:border-rose-700 shadow-2xs">
                  {formatarKg(resumoExibido.pesoNaoIniciadosKg)}
                </span>
              </div>
              <div className="text-2xl font-black text-rose-900 dark:text-rose-100 mt-1">
                {resumoExibido.totalKitsNaoIniciados}
              </div>
              <div className="text-[10px] text-rose-700/80 dark:text-rose-400/80 font-medium truncate">
                sem nenhum componente cortado
              </div>
            </div>
            <div className="p-2.5 rounded-xl bg-rose-100 text-rose-700 dark:bg-rose-900/60 dark:text-rose-300 shrink-0 ml-2">
              <AlertTriangle className="w-6 h-6" />
            </div>
          </div>
        </div>
      )}

      {/* ──────────────── Filtros por Status Térmico & Ações em Massa ──────────────── */}
      <div className="flex items-center justify-between gap-2 flex-wrap text-xs">
        <div className="flex items-center gap-1.5 flex-wrap">
          <button
            type="button"
            onClick={() => setFiltroStatus('todos')}
            className={`px-3 py-1.5 rounded-xl font-bold transition-colors ${
              filtroStatus === 'todos'
                ? 'bg-slate-900 text-white dark:bg-white dark:text-slate-900 shadow-sm'
                : 'bg-slate-100 hover:bg-slate-200 text-slate-700 dark:bg-slate-800 dark:hover:bg-slate-700 dark:text-slate-300'
            }`}
          >
            Todas ({listaKits.length})
          </button>
          <button
            type="button"
            onClick={() => setFiltroStatus('liberados')}
            className={`px-3 py-1.5 rounded-xl font-bold flex items-center gap-1.5 transition-colors ${
              filtroStatus === 'liberados'
                ? 'bg-emerald-600 text-white shadow-sm'
                : 'bg-emerald-50 text-emerald-800 hover:bg-emerald-100 dark:bg-emerald-950/50 dark:text-emerald-300'
            }`}
          >
            <span className="w-2 h-2 rounded-full bg-emerald-400"></span>
            Liberadas para Solda ({listaKits.filter((k) => k.kits_completos_cortados > 0).length})
          </button>
          <button
            type="button"
            onClick={() => setFiltroStatus('parciais')}
            className={`px-3 py-1.5 rounded-xl font-bold flex items-center gap-1.5 transition-colors ${
              filtroStatus === 'parciais'
                ? 'bg-amber-600 text-white shadow-sm'
                : 'bg-amber-50 text-amber-800 hover:bg-amber-100 dark:bg-amber-950/50 dark:text-amber-300'
            }`}
          >
            <span className="w-2 h-2 rounded-full bg-amber-400"></span>
            Em Andamento / Quase Prontas ({listaKits.filter((k) => k.status_termico === 'amarelo' || (k.kits_completos_cortados > 0 && k.kits_completos_cortados < k.quantidade_total)).length})
          </button>
          <button
            type="button"
            onClick={() => setFiltroStatus('travados')}
            className={`px-3 py-1.5 rounded-xl font-bold flex items-center gap-1.5 transition-colors ${
              filtroStatus === 'travados'
                ? 'bg-rose-600 text-white shadow-sm'
                : 'bg-rose-50 text-rose-800 hover:bg-rose-100 dark:bg-rose-950/50 dark:text-rose-300'
            }`}
          >
            <span className="w-2 h-2 rounded-full bg-rose-400"></span>
            Travadas no Corte ({listaKits.filter((k) => k.status_termico === 'vermelho').length})
          </button>
        </div>

        <div className="flex items-center gap-2">
          <Button variant="ghost" size="sm" onClick={expandirTodas} className="h-7 text-[11px] font-semibold text-slate-600 dark:text-slate-400">
            Expandir Todos
          </Button>
          <Button variant="ghost" size="sm" onClick={recolherTodas} className="h-7 text-[11px] font-semibold text-slate-600 dark:text-slate-400">
            Recolher Todos
          </Button>
        </div>
      </div>

      {/* ──────────────── Lista de Peças com Mapa Térmico ──────────────── */}
      {!loading && listaKits.length > 0 && !listaKits.some((k) => k.componentes && k.componentes.length > 0) && (
        <div className="p-3.5 rounded-2xl bg-amber-500/10 border border-amber-500/30 text-amber-900 dark:text-amber-200 flex items-center gap-3 shadow-xs">
          <Info className="w-5 h-5 shrink-0 text-amber-600 dark:text-amber-400" />
          <div className="text-xs leading-relaxed">
            <strong className="font-bold">Modo Peça Direta:</strong> Esta OF não possui subcomponentes cadastrados no sistema. O avanço no <strong>Corte</strong> e a liberação das peças para a <strong>Solda</strong> são gerenciados diretamente pelo apontamento das peças principais.
          </div>
        </div>
      )}

      {loading ? (
        <div className="py-16 flex flex-col items-center justify-center text-slate-400 gap-3">
          <div className="h-10 w-10 animate-spin rounded-full border-4 border-orange-500 border-t-transparent" />
          <span className="text-sm font-semibold">Calculando matriz de kits e completude...</span>
        </div>
      ) : pecasFiltradas.length === 0 ? (
        <Card className="border border-dashed border-slate-300 dark:border-slate-800 p-8 text-center bg-slate-50/50 dark:bg-slate-900/50">
          <Layers className="w-10 h-10 text-slate-400 mx-auto mb-2 opacity-60" />
          <h4 className="font-bold text-slate-700 dark:text-slate-300 text-sm">Nenhuma peça encontrada</h4>
          <p className="text-xs text-slate-500 mt-1">Tente ajustar a busca ou os filtros de status</p>
        </Card>
      ) : (
        <div className="space-y-3">
          {pecasFiltradas.map((peca) => {
            const isExpanded = pecasExpandidas.has(peca.peca_id);
            const totalKits = peca.quantidade_total;
            const kitsProntos = peca.kits_completos_cortados;
            const pct = peca.percentual_termico;
            const eh100 = kitsProntos >= totalKits;
            const temParcial = kitsProntos > 0 && kitsProntos < totalKits;
            const gargalo = peca.componente_gargalo;

            // Cores térmicas
            let barColor = 'bg-rose-500';
            let badgeBg = 'bg-rose-100 text-rose-800 border-rose-300 dark:bg-rose-950/60 dark:text-rose-300 dark:border-rose-800';
            if (eh100) {
              barColor = 'bg-emerald-500';
              badgeBg = 'bg-emerald-100 text-emerald-800 border-emerald-300 dark:bg-emerald-950/60 dark:text-emerald-300 dark:border-emerald-800';
            } else if (temParcial) {
              barColor = 'bg-emerald-500';
              badgeBg = 'bg-blue-100 text-blue-800 border-blue-300 dark:bg-blue-950/60 dark:text-blue-300 dark:border-blue-800';
            } else if (pct >= 40) {
              barColor = 'bg-amber-500';
              badgeBg = 'bg-amber-100 text-amber-800 border-amber-300 dark:bg-amber-950/60 dark:text-amber-300 dark:border-amber-800';
            }

            return (
              <div
                key={peca.peca_id}
                className="rounded-2xl border border-slate-200 dark:border-slate-800 bg-white dark:bg-slate-900/90 shadow-sm overflow-hidden transition-all hover:border-slate-300 dark:hover:border-slate-700"
              >
                {/* Linha Principal do Card */}
                <div
                  onClick={() => toggleExpand(peca.peca_id)}
                  className="p-4 cursor-pointer flex flex-col sm:flex-row sm:items-center justify-between gap-3 hover:bg-slate-50/50 dark:hover:bg-slate-800/40 transition-colors select-none"
                >
                  {/* Lado Esquerdo: Identificação da Peça */}
                  <div className="flex items-start gap-3 min-w-0">
                    <div
                      className={`w-10 h-10 rounded-xl flex items-center justify-center shrink-0 font-black text-sm shadow-sm ${
                        eh100
                          ? 'bg-emerald-500 text-white'
                          : temParcial
                          ? 'bg-blue-500 text-white'
                          : pct >= 40
                          ? 'bg-amber-500 text-slate-950'
                          : 'bg-slate-200 dark:bg-slate-800 text-slate-600 dark:text-slate-400'
                      }`}
                    >
                      {pct}%
                    </div>

                    <div className="min-w-0 space-y-0.5">
                      <div className="flex items-center gap-2 flex-wrap">
                        <span className="text-lg font-black text-slate-900 dark:text-slate-100 tracking-wide">
                          {peca.marca}
                        </span>
                        <Badge variant="outline" className="text-[11px] font-bold">
                          {peca.etapa_fase.toLowerCase().startsWith('fase') ? peca.etapa_fase : `Fase ${peca.etapa_fase}`}
                        </Badge>
                        {peca.perfil_principal && (
                          <span className="text-xs px-2 py-0.5 rounded bg-slate-100 dark:bg-slate-800 text-slate-700 dark:text-slate-300 font-semibold font-mono">
                            {peca.perfil_principal}
                          </span>
                        )}
                        {peca.tem_componentes === false && (
                          <Badge variant="secondary" className="bg-purple-100 text-purple-800 dark:bg-purple-950 dark:text-purple-300 text-[10px] font-black">
                            S/M (Sem Montagem)
                          </Badge>
                        )}
                      </div>

                      <div className="text-xs text-slate-500 dark:text-slate-400 flex items-center gap-1.5 flex-wrap">
                        <span className="line-clamp-1">{peca.descricao || 'Peça Estrutural'}</span>
                        {peca.peso_unitario > 0 && (
                          <span className="font-semibold text-slate-600 dark:text-slate-400 whitespace-nowrap">
                            • {peca.peso_unitario.toFixed(1)} kg/un (Total: {peca.peso_total_peca.toFixed(1)} kg)
                          </span>
                        )}
                      </div>
                    </div>
                  </div>

                  {/* Lado Direito: Status dos Kits e Métricas */}
                  <div className="flex items-center gap-3 shrink-0 justify-between sm:justify-end">
                    <div className="text-right">
                      <div className="flex items-center justify-end gap-1.5 flex-wrap">
                        <span className={`text-xs font-black px-2.5 py-0.5 rounded-full border ${badgeBg}`}>
                          {eh100
                            ? `✅ 100% Liberado (${kitsProntos}/${totalKits} un)`
                            : temParcial
                            ? `🟢 ${kitsProntos}/${totalKits} kits liberados na Solda`
                            : pct >= 40
                            ? `🟡 0/${totalKits} kits (Corte ${pct}%)`
                            : `🔴 0/${totalKits} kits (Não iniciado)`}
                        </span>
                      </div>

                      {/* Gargalo em Destaque */}
                      {gargalo && kitsProntos < totalKits && (
                        <div className="text-[11px] font-semibold text-amber-700 dark:text-amber-400 mt-1 flex items-center justify-end gap-1">
                          <AlertTriangle className="w-3 h-3 text-amber-500 shrink-0" />
                          <span>
                            Gargalo: <strong>{gargalo.marca_componente}</strong> (faltam {gargalo.falta_para_prox_kit} un para próx. kit)
                          </span>
                        </div>
                      )}
                    </div>

                    <div className="p-1 rounded-lg text-slate-400 hover:text-slate-600 dark:hover:text-slate-200">
                      {isExpanded ? <ChevronUp className="w-5 h-5" /> : <ChevronDown className="w-5 h-5" />}
                    </div>
                  </div>
                </div>

                {/* Barra Térmica de Progresso */}
                <div className="px-4 pb-3">
                  <div className="w-full bg-slate-100 dark:bg-slate-800 h-2.5 rounded-full overflow-hidden flex">
                    <div
                      className={`h-full transition-all duration-300 ${barColor}`}
                      style={{ width: `${pct}%` }}
                      title={`Prontidão térmica do kit: ${pct}%`}
                    />
                  </div>
                </div>

                {/* ──────────────── Detalhamento dos Componentes do Kit (Expansível) ──────────────── */}
                {isExpanded && (
                  <div className="px-4 pb-4 pt-2 border-t border-slate-100 dark:border-slate-800/80 bg-slate-50/60 dark:bg-slate-950/40 space-y-2">
                    <div className="flex items-center justify-between text-xs font-bold text-slate-700 dark:text-slate-300 mb-2">
                      <span className="flex items-center gap-1.5">
                        <Wrench className="w-3.5 h-3.5 text-blue-500" />
                        Componentes Requeridos para {totalKits}x {peca.marca} ({peca.componentes.length} itens no kit):
                      </span>
                      {onSelectPecaParaApontar && (
                        <Button
                          size="sm"
                          onClick={(e) => {
                            e.stopPropagation();
                            onSelectPecaParaApontar(peca);
                          }}
                          className="h-7 text-xs bg-amber-500 hover:bg-amber-600 text-slate-950 font-black gap-1"
                        >
                          <Scissors className="w-3 h-3" />
                          Apontar no Corte
                        </Button>
                      )}
                    </div>

                    {peca.componentes.length === 0 ? (
                      <p className="text-xs text-slate-500 italic py-1">
                        Esta peça não possui subcomponentes cadastrados (é fabricada como peça inteira).
                      </p>
                    ) : (
                      <div className="grid grid-cols-1 md:grid-cols-2 gap-2">
                        {peca.componentes.map((comp) => {
                          const isGargalo = gargalo?.id === comp.id && kitsProntos < totalKits;
                          const comp100 = comp.concluido;

                          return (
                            <div
                              key={comp.id}
                              className={`p-2.5 rounded-xl border text-xs transition-colors flex items-center justify-between gap-2 ${
                                isGargalo
                                  ? 'bg-amber-50 dark:bg-amber-950/40 border-amber-400 dark:border-amber-700 shadow-sm'
                                  : comp100
                                  ? 'bg-emerald-50/50 dark:bg-emerald-950/20 border-emerald-200 dark:border-emerald-800/60'
                                  : 'bg-white dark:bg-slate-900 border-slate-200 dark:border-slate-800'
                              }`}
                            >
                              <div className="min-w-0 space-y-0.5">
                                <div className="flex items-center gap-1.5 flex-wrap">
                                  <span className="font-mono font-black text-slate-900 dark:text-slate-100">
                                    {comp.marca_componente}
                                  </span>
                                  {comp.perfil && (
                                    <span className="text-[10px] px-1.5 py-0.2 rounded bg-slate-100 dark:bg-slate-800 text-slate-600 dark:text-slate-400 font-mono">
                                      {comp.perfil}
                                    </span>
                                  )}
                                  {isGargalo && (
                                    <span className="text-[9px] font-black px-1.5 py-0.5 rounded bg-amber-500 text-slate-950 uppercase tracking-tight">
                                      Gargalo
                                    </span>
                                  )}
                                </div>
                                <div className="text-[11px] text-slate-500 dark:text-slate-400">
                                  {comp.quantidade_por_peca} un/peça • Total da OF: <strong>{comp.quantidade_total_necessaria} un</strong>
                                </div>
                              </div>

                              <div className="text-right shrink-0">
                                <div className="font-mono font-black text-xs text-slate-800 dark:text-slate-200">
                                  {comp.quantidade_cortada} / {comp.quantidade_total_necessaria} un
                                </div>
                                <div className="text-[10px] font-bold text-slate-500 dark:text-slate-400">
                                  Dá para {comp.kits_possiveis} {comp.kits_possiveis === 1 ? 'kit' : 'kits'} ({comp.percentual_cortado}%)
                                </div>
                              </div>
                            </div>
                          );
                        })}
                      </div>
                    )}
                  </div>
                )}
              </div>
            );
          })}
        </div>
      )}
    </div>
  );
};