import type { FC } from 'react';
import { useEffect, useMemo, useState } from 'react';
import { Mail, Phone, Stethoscope, Briefcase, Save, Percent, Eye, CalendarDays, FileText, ShoppingCart, Users, ClipboardList, CreditCard, DollarSign, Clock, Copy, Target } from 'lucide-react';
import Layout from '../components/Layout';
import { Card, Badge, EmptyState, PageHeader, Skeleton, MobileCard, Input, Button, Modal, Select, toast } from '../components/ui';
import { odooApi, type Doctor, type DoctorHistory, type HorarioDia } from '../services/odoo';
import { useGlosario } from '../lib/glosario';

const DIAS = ['Lunes', 'Martes', 'Miércoles', 'Jueves', 'Viernes', 'Sábado', 'Domingo'];

const hhmm = (h: number) => {
  const hh = Math.floor(h || 0);
  const mm = Math.round(((h || 0) - hh) * 60);
  return `${String(hh).padStart(2, '0')}:${String(mm).padStart(2, '0')}`;
};

const parseHM = (s: string) => {
  const [h, m] = (s || '').split(':').map((v) => parseInt(v, 10));
  return (Number.isNaN(h) ? 0 : h) + (Number.isNaN(m) ? 0 : m) / 60;
};

type DiaDraft = { works: boolean; from: string; to: string };

const diaDraftVacio = (): DiaDraft => ({ works: false, from: '09:00', to: '14:00' });

const draftDesdeHorario = (horario?: HorarioDia[]): Record<string, DiaDraft> => {
  const out: Record<string, DiaDraft> = {};
  for (let d = 0; d < 7; d++) out[String(d)] = diaDraftVacio();
  (horario || []).forEach((h) => {
    out[h.day_of_week] = { works: true, from: hhmm(h.hour_from), to: hhmm(h.hour_to) };
  });
  return out;
};

/** Barra simple de progreso meta vs real del mes. */
const GoalBar: FC<{ goal: number; real: number }> = ({ goal, real }) => {
  const pct = goal > 0 ? Math.min((real / goal) * 100, 100) : 0;
  const cumplido = goal > 0 && real >= goal;
  return (
    <div className="w-full min-w-[150px]">
      <div className="flex items-center justify-between text-[11px] text-theme-muted mb-1">
        <span className="inline-flex items-center gap-1"><Target size={11} /> Meta del mes</span>
        <span className="tabular-nums">{goal > 0 ? `${fmtNum(pct, 0)}%` : 'sin meta'}</span>
      </div>
      <div className="h-2 w-full rounded-full bg-theme-bg overflow-hidden">
        <div
          className={`h-full rounded-full transition-all ${cumplido ? 'bg-emerald-600' : 'bg-theme-accent'}`}
          style={{ width: `${pct}%` }}
        />
      </div>
      <p className="mt-1 text-[11px] text-theme-muted tabular-nums">
        {fmtMoney(real)}{goal > 0 ? ` de ${fmtMoney(goal)}` : ''}
      </p>
    </div>
  );
};

const medicalTerms = ['doctor', 'dra', 'médico', 'medico', 'especialista', 'dermatólogo', 'dermatologo', 'skin', 'clínico', 'clinico'];

const isMedicalTitle = (jobTitle?: string) => {
  if (!jobTitle) return false;
  const normalized = jobTitle.toLowerCase().normalize('NFD').replace(/[\u0300-\u036f]/g, '');
  return medicalTerms.some((term) => normalized.includes(term));
};

const fmtNum = (n: number | null | undefined, decimals = 2) =>
  (n ?? 0).toLocaleString('es-MX', { maximumFractionDigits: decimals });

const fmtMoney = (n: number) =>
  (n || 0).toLocaleString('es-MX', { style: 'currency', currency: 'MXN', maximumFractionDigits: 0 });

const initials = (name: string) =>
  name.split(' ').filter(Boolean).slice(0, 2).map((w) => w[0]).join('').toUpperCase();

type BadgeVariant = 'default' | 'success' | 'info' | 'pending' | 'cancelled';

const CITA_STATE: Record<string, { label: string; variant: BadgeVariant }> = {
  pending: { label: 'Pendiente', variant: 'pending' },
  confirmed: { label: 'Confirmada', variant: 'info' },
  arrived: { label: 'Llegó', variant: 'info' },
  in_progress: { label: 'En progreso', variant: 'info' },
  done: { label: 'Completada', variant: 'success' },
  cancelled: { label: 'Cancelada', variant: 'cancelled' },
  no_show: { label: 'No show', variant: 'cancelled' },
};

const VISITA_STATE: Record<string, { label: string; variant: BadgeVariant }> = {
  en_curso: { label: 'En curso', variant: 'info' },
  completada: { label: 'Completada', variant: 'success' },
  cancelada: { label: 'Cancelada', variant: 'cancelled' },
};

const VENTA_STATE: Record<string, { label: string; variant: BadgeVariant }> = {
  draft: { label: 'Borrador', variant: 'default' },
  confirmed: { label: 'Confirmada', variant: 'info' },
  paid: { label: 'Pagada', variant: 'success' },
  partial: { label: 'Parcial', variant: 'pending' },
  cancelled: { label: 'Cancelada', variant: 'cancelled' },
};

const StateBadge: FC<{ map: Record<string, { label: string; variant: BadgeVariant }>; state: string }> = ({ map, state }) => {
  const meta = map[state] || { label: state, variant: 'default' as BadgeVariant };
  return <Badge variant={meta.variant}>{meta.label}</Badge>;
};

/** Badges de ventas 30d al estilo del sistema legacy:
 *  píldora verde "N ventas" + gris "N recomendaciones" y
 *  píldoras índigo apiladas: usd / m.n. / tarjeta m.n. */
const StatBadges: FC<{ d: Doctor }> = ({ d }) => (
  <div>
    <div className="flex flex-wrap items-center gap-2 mb-1.5">
      <span
        className="inline-flex items-center gap-1.5 rounded px-2 py-0.5 text-xs font-medium text-white"
        style={{ backgroundColor: '#00a65a' }}
      >
        <span className="font-bold">{d.ventas_30d ?? 0}</span> ventas
      </span>
    </div>
    <div className="space-y-0.5">
      <span className="block w-fit rounded px-1.5 py-0.5 text-[11px] text-white" style={{ backgroundColor: '#605ca8' }}>
        {d.total_30d_usd == null ? '—' : fmtNum(d.total_30d_usd)} usd
      </span>
      <span className="block w-fit rounded px-1.5 py-0.5 text-[11px] text-white" style={{ backgroundColor: '#605ca8' }}>
        {fmtNum(d.total_30d ?? 0, 0)} m.n.
      </span>
      <span className="block w-fit rounded px-1.5 py-0.5 text-[11px] text-white" style={{ backgroundColor: '#605ca8' }}>
        {fmtNum(d.card_30d ?? 0, 0)} tarjeta m.n.
      </span>
    </div>
  </div>
);

const Medicos: FC = () => {
  const { term } = useGlosario();
  const [employees, setEmployees] = useState<Doctor[]>([]);
  const [loading, setLoading] = useState(true);
  const [error, setError] = useState<string | null>(null);
  // Los dados de baja se cargan siempre: se ocultan en la tabla salvo que el
  // usuario pida verlos (para poder reactivarlos).
  const [mostrarBaja, setMostrarBaja] = useState(false);
  const [savingActive, setSavingActive] = useState<number | null>(null);

  useEffect(() => {
    const load = async () => {
      try {
        setLoading(true);
        setError(null);
        const res = await odooApi.getDoctors({ includeInactive: true });
        if (res.status === 'success') setEmployees(res.doctors);
      } catch (err) {
        setError('Error al cargar médicos');
        toast.error('Error al cargar médicos');
        console.error(err);
      } finally {
        setLoading(false);
      }
    };
    load();
  }, []);

  const doctors = useMemo(() => {
    const visibles = mostrarBaja ? employees : employees.filter((d) => d.active !== false);
    const medical = visibles.filter((d) => isMedicalTitle(d.job_title));
    return medical.length > 0 ? medical : visibles;
  }, [employees, mostrarBaja]);

  const countBaja = employees.filter((d) => d.active === false).length;

  // Activar/desactivar: un médico dado de baja desaparece de la agenda, del
  // selector de pacientes y del de ventas (el backend lo valida también).
  const toggleActivo = async (d: Doctor) => {
    const nuevo = d.active === false;
    const mensaje = nuevo
      ? `¿Reactivar a ${d.name}? Volverá a aparecer en la agenda y en las asignaciones.`
      : `¿Dar de baja a ${d.name}? Dejará de aparecer en la agenda y no se le podrán asignar pacientes ni ventas. Su historial se conserva.`;
    if (!window.confirm(mensaje)) return;
    try {
      setSavingActive(d.id);
      await odooApi.updateDoctor(d.id, { active: nuevo });
      setEmployees((prev) => prev.map((e) => (e.id === d.id ? { ...e, active: nuevo } : e)));
      toast.success(nuevo ? `${d.name} reactivado` : `${d.name} dado de baja`);
    } catch (err) {
      const msg = (err as { response?: { data?: { message?: string } } })?.response?.data?.message;
      toast.error(msg || 'No se pudo actualizar el estado');
    } finally {
      setSavingActive(null);
    }
  };

  const [pctDraft, setPctDraft] = useState<Record<number, string>>({});
  const [savingPct, setSavingPct] = useState<number | null>(null);

  // Modal de detalle del médico
  const [selected, setSelected] = useState<Doctor | null>(null);
  const [modalTab, setModalTab] = useState<'info' | 'historial' | 'horario'>('info');
  const [hist, setHist] = useState<DoctorHistory | null>(null);
  const [histLoading, setHistLoading] = useState(false);
  const [histSection, setHistSection] = useState<'citas' | 'visitas' | 'ventas'>('citas');

  // Meta mensual (editable en el modal) y horario semanal
  const [goalDraft, setGoalDraft] = useState('');
  const [savingGoal, setSavingGoal] = useState(false);
  const [dias, setDias] = useState<Record<string, DiaDraft>>(diaDraftVacio7());
  const [savingHorario, setSavingHorario] = useState(false);

  function diaDraftVacio7(): Record<string, DiaDraft> {
    const out: Record<string, DiaDraft> = {};
    for (let d = 0; d < 7; d++) out[String(d)] = diaDraftVacio();
    return out;
  }

  const openDoctor = (d: Doctor) => {
    setSelected(d);
    setModalTab('info');
    setHistSection('citas');
    setHist(null);
    setGoalDraft(String(d.monthly_goal ?? 0));
    setDias(draftDesdeHorario(d.horario));
    setHistLoading(true);
    odooApi.getDoctorHistory(d.id)
      .then((res) => { if (res.status === 'success') setHist(res); })
      .catch((err) => { toast.error('No se pudo cargar el historial'); console.error(err); })
      .finally(() => setHistLoading(false));
  };

  const saveGoal = async (d: Doctor) => {
    const meta = parseFloat(goalDraft || '0');
    if (Number.isNaN(meta) || meta < 0) {
      toast.error('Meta inválida');
      return;
    }
    setSavingGoal(true);
    try {
      await odooApi.updateDoctor(d.id, { monthly_goal: meta });
      setEmployees((prev) => prev.map((e) => (e.id === d.id ? { ...e, monthly_goal: meta } : e)));
      setSelected((s) => (s && s.id === d.id ? { ...s, monthly_goal: meta } : s));
      toast.success(`Meta de ${d.name}: ${fmtMoney(meta)}`);
    } catch {
      toast.error('No se pudo guardar la meta');
    } finally {
      setSavingGoal(false);
    }
  };

  const setDia = (day: string, patch: Partial<DiaDraft>) =>
    setDias((prev) => ({ ...prev, [day]: { ...prev[day], ...patch } }));

  const copiarLunes = () => {
    const lunes = dias['0'];
    setDias((prev) => {
      const out: Record<string, DiaDraft> = {};
      for (let d = 1; d < 7; d++) out[String(d)] = { ...lunes };
      return { ...prev, ...out };
    });
    toast.success('Horario del lunes copiado a todos los días');
  };

  const saveHorario = async (d: Doctor) => {
    const lineas: HorarioDia[] = [];
    for (let i = 0; i < 7; i++) {
      const key = String(i);
      const dia = dias[key];
      if (!dia?.works) continue;
      const hf = parseHM(dia.from);
      const ht = parseHM(dia.to);
      if (!(ht > hf)) {
        toast.error(`${DIAS[i]}: la hora fin debe ser mayor a la hora inicio`);
        return;
      }
      lineas.push({ day_of_week: key, hour_from: hf, hour_to: ht });
    }
    setSavingHorario(true);
    try {
      const res = await odooApi.setDoctorHorario(d.id, lineas);
      setEmployees((prev) => prev.map((e) => (e.id === d.id
        ? { ...e, horario: res.horario, tiene_horario: res.tiene_horario, horario_resumen: res.horario_resumen }
        : e)));
      setSelected((s) => (s && s.id === d.id
        ? { ...s, horario: res.horario, tiene_horario: res.tiene_horario, horario_resumen: res.horario_resumen }
        : s));
      toast.success(res.tiene_horario
        ? `Horario guardado: ${res.horario_resumen}`
        : 'Horario borrado: la agenda no restringirá horarios para este médico');
    } catch (err) {
      const msg = (err as { response?: { data?: { message?: string } } })?.response?.data?.message;
      toast.error(msg || 'No se pudo guardar el horario');
    } finally {
      setSavingHorario(false);
    }
  };

  const pctValue = (d: Doctor) => (pctDraft[d.id] ?? String(d.commission_pct ?? 0));

  const savePct = async (d: Doctor) => {
    const raw = pctDraft[d.id];
    const pct = parseFloat(raw ?? String(d.commission_pct ?? 0));
    if (Number.isNaN(pct) || pct < 0 || pct > 100) {
      toast.error('Porcentaje inválido (0-100)');
      return;
    }
    setSavingPct(d.id);
    try {
      await odooApi.updateDoctor(d.id, { commission_pct: pct });
      setEmployees((prev) => prev.map((e) => (e.id === d.id ? { ...e, commission_pct: pct } : e)));
      setPctDraft((prev) => { const n = { ...prev }; delete n[d.id]; return n; });
      toast.success(`Comisión de ${d.name}: ${pct}%`);
    } catch {
      toast.error('No se pudo guardar la comisión');
    } finally {
      setSavingPct(null);
    }
  };

  // Tipo de staff (Doctor / Cosmetóloga): guardado in-place al cambiar el selector
  const [savingTypeId, setSavingTypeId] = useState<number | null>(null);
  const saveStaffType = async (d: Doctor, staff_type: 'doctor' | 'cosmetologa') => {
    if ((d.staff_type ?? 'doctor') === staff_type) return;
    setSavingTypeId(d.id);
    try {
      await odooApi.updateDoctor(d.id, { staff_type });
      setEmployees((prev) => prev.map((e) => (e.id === d.id ? { ...e, staff_type } : e)));
      toast.success(`${d.name}: tipo actualizado a ${staff_type === 'cosmetologa' ? 'Cosmetóloga' : 'Doctor'}`);
    } catch {
      toast.error('No se pudo guardar el tipo');
    } finally {
      setSavingTypeId(null);
    }
  };

  return (
    <Layout title={term('doctor_plural')} subtitle="Equipo médico">
      <PageHeader title={term('doctor_plural')} subtitle="Especialistas de la clínica">
        {countBaja > 0 && (
          <label className="inline-flex items-center gap-2 text-sm text-theme-heading cursor-pointer">
            <input
              type="checkbox"
              checked={mostrarBaja}
              onChange={(e) => setMostrarBaja(e.target.checked)}
              className="w-4 h-4 rounded border-theme-border-strong"
            />
            Mostrar dados de baja ({countBaja})
          </label>
        )}
      </PageHeader>

      <Card>
        <Card.Body>
          {error && <p className="text-rose-600 text-sm mb-4">{error}</p>}

          {loading ? (
            <Skeleton count={5} className="h-14 w-full" />
          ) : doctors.length === 0 ? (
            <EmptyState title="Sin médicos" subtitle="No se encontraron médicos en el equipo." icon={<Stethoscope size={28} />} />
          ) : (
            <>
              <div className="hidden sm:block overflow-x-auto">
                <table className="w-full">
                  <thead className="bg-theme-bg">
                    <tr>
                      <th className="text-left p-3 text-xs font-medium text-theme-muted uppercase">Nombre</th>
                      <th className="text-left p-3 text-xs font-medium text-theme-muted uppercase">Puesto</th>
                      <th className="text-left p-3 text-xs font-medium text-theme-muted uppercase">Tipo</th>
                      <th className="text-left p-3 text-xs font-medium text-theme-muted uppercase" title="Un médico dado de baja no aparece en la agenda ni recibe pacientes o ventas">Estado</th>
                      <th className="text-left p-3 text-xs font-medium text-theme-muted uppercase hidden md:table-cell">Teléfono</th>
                      <th className="text-left p-3 text-xs font-medium text-theme-muted uppercase hidden lg:table-cell">Email</th>
                      <th className="text-left p-3 text-xs font-medium text-theme-muted uppercase">% Comisión</th>
                      <th className="text-left p-3 text-xs font-medium text-theme-muted uppercase" title="Ventas con líneas recetadas por el médico, últimos 30 días">Últimos 30 días</th>
                      <th className="text-left p-3 text-xs font-medium text-theme-muted uppercase hidden xl:table-cell">Meta del mes</th>
                      <th className="text-left p-3 text-xs font-medium text-theme-muted uppercase hidden xl:table-cell">Horario</th>
                    </tr>
                  </thead>
                  <tbody className="divide-y">
                    {doctors.map((d) => (
                      <tr key={d.id} className="hover:bg-theme-bg cursor-pointer" onClick={() => openDoctor(d)} title="Ver detalle del médico">
                        <td className="p-3 text-sm font-medium text-theme-heading">{d.name}</td>
                        <td className="p-3">
                          <Badge variant="default" className="inline-flex items-center">
                            <Briefcase size={12} className="mr-1" />
                            {d.job_title || 'Sin puesto'}
                          </Badge>
                        </td>
                        <td className="p-3" onClick={(e) => e.stopPropagation()}>
                          <Select
                            options={[
                              { value: 'doctor', label: 'Doctor' },
                              { value: 'cosmetologa', label: 'Cosmetóloga' },
                            ]}
                            value={d.staff_type ?? 'doctor'}
                            onChange={(e) => saveStaffType(d, e.target.value as 'doctor' | 'cosmetologa')}
                            disabled={savingTypeId === d.id}
                            className="max-w-[150px]"
                          />
                        </td>
                        <td className="p-3" onClick={(e) => e.stopPropagation()}>
                          <button
                            type="button"
                            role="switch"
                            aria-checked={d.active !== false}
                            disabled={savingActive === d.id}
                            onClick={() => void toggleActivo(d)}
                            title={d.active === false ? 'Dar de alta (reactivar)' : 'Dar de baja'}
                            className={`inline-flex items-center gap-1.5 rounded-full border px-2 py-1 text-[11px] font-medium transition-colors disabled:opacity-50 ${
                              d.active === false
                                ? 'border-rose-300 bg-rose-50 text-rose-700'
                                : 'border-emerald-300 bg-brand-mint text-emerald-800'
                            }`}
                          >
                            <span className={`h-1.5 w-1.5 rounded-full ${d.active === false ? 'bg-rose-500' : 'bg-emerald-600'}`} />
                            {d.active === false ? 'Baja' : 'Activo'}
                          </button>
                        </td>
                        <td className="p-3 text-sm text-theme-muted hidden md:table-cell">
                          <a href={`tel:${d.work_phone}`} className="hover:text-theme-heading">
                            <Phone size={14} className="inline mr-1 text-theme-muted" />
                            {d.work_phone || '-'}
                          </a>
                        </td>
                        <td className="p-3 text-sm text-theme-muted hidden lg:table-cell">
                          {d.work_email ? (
                            <a href={`mailto:${d.work_email}`} className="hover:text-theme-heading">
                              <Mail size={14} className="inline mr-1 text-theme-muted" />
                              {d.work_email}
                            </a>
                          ) : (
                            '-'
                          )}
                        </td>
                        <td className="p-3" onClick={(e) => e.stopPropagation()}>
                          <div className="flex items-center gap-2 max-w-[170px]">
                            <Percent size={14} className="text-theme-muted shrink-0" />
                            <Input
                              type="number"
                              min="0"
                              max="100"
                              step="0.5"
                              value={pctValue(d)}
                              onChange={(e) => setPctDraft((prev) => ({ ...prev, [d.id]: e.target.value }))}
                              className="max-w-[92px]"
                            />
                            <Button size="sm" variant="outline" loading={savingPct === d.id} onClick={() => savePct(d)} title="Guardar %">
                              <Save size={14} />
                            </Button>
                          </div>
                        </td>
                        <td className="p-3 align-top">
                          <StatBadges d={d} />
                        </td>
                        <td className="p-3 align-top hidden xl:table-cell">
                          <GoalBar goal={d.monthly_goal ?? 0} real={d.month_total ?? 0} />
                        </td>
                        <td className="p-3 align-top hidden xl:table-cell">
                          {d.tiene_horario ? (
                            <span className="text-xs text-theme-heading" title={d.horario_resumen}>
                              {d.horario_resumen}
                            </span>
                          ) : (
                            <span className="text-xs text-theme-muted">Sin horario</span>
                          )}
                        </td>
                      </tr>
                    ))}
                  </tbody>
                </table>
              </div>

              <div className="sm:hidden space-y-3">
                {doctors.map((d) => (
                  <MobileCard
                    key={d.id}
                    title={d.name}
                    subtitle={
                      <Badge variant="default" className="inline-flex items-center">
                        <Briefcase size={12} className="mr-1" />
                        {d.job_title || 'Sin puesto'}
                      </Badge>
                    }
                    rows={[
                      {
                        label: 'Estado',
                        value: (
                          <button
                            type="button"
                            onClick={() => void toggleActivo(d)}
                            className={`rounded-full border px-2 py-0.5 text-xs font-medium ${
                              d.active === false ? 'border-rose-300 bg-rose-50 text-rose-700' : 'border-emerald-300 bg-brand-mint text-emerald-800'
                            }`}
                          >
                            {d.active === false ? 'Baja' : 'Activo'}
                          </button>
                        ),
                      },
                      { label: 'Teléfono', value: d.work_phone || '-' },
                      { label: 'Email', value: d.work_email || '-' },
                      { label: '% Comisión', value: `${d.commission_pct ?? 0}%` },
                      { label: 'Meta del mes', value: <GoalBar goal={d.monthly_goal ?? 0} real={d.month_total ?? 0} /> },
                      { label: 'Horario', value: d.tiene_horario ? d.horario_resumen : 'Sin horario' },
                      { label: 'Últimos 30 días', value: <StatBadges d={d} /> },
                    ]}
                    actions={
                      <Button variant="ghost" size="sm" onClick={() => openDoctor(d)} title="Ver detalle">
                        <Eye size={16} className="text-theme-muted" />
                      </Button>
                    }
                  />
                ))}
              </div>
            </>
          )}
        </Card.Body>
      </Card>

      {/* Modal detalle del médico */}
      <Modal isOpen={!!selected} onClose={() => setSelected(null)} title="" maxWidth="2xl">
        {selected && (
          <div>
            {/* Header */}
            <div className="flex flex-wrap items-center justify-between gap-4 mb-5">
              <div className="flex items-center gap-4 min-w-0">
                <span className="flex h-14 w-14 shrink-0 items-center justify-center rounded-full bg-brand-lilac text-base font-bold text-theme-heading">
                  {initials(selected.name)}
                </span>
                <div className="min-w-0">
                  <h3 className="font-heading text-2xl text-theme-heading truncate">{selected.name}</h3>
                  <Badge variant="default" className="inline-flex items-center mt-1">
                    <Briefcase size={12} className="mr-1" />
                    {selected.job_title || 'Sin puesto'}
                  </Badge>
                </div>
              </div>
              <div className="flex items-center gap-5">
                <div className="text-right">
                  <p className="text-xs font-medium text-theme-muted uppercase">Pacientes</p>
                  <p className="font-heading text-xl text-theme-heading">{fmtNum(selected.patient_count ?? 0, 0)}</p>
                </div>
                <div className="text-right">
                  <p className="text-xs font-medium text-theme-muted uppercase">Citas</p>
                  <p className="font-heading text-xl text-theme-heading">{histLoading || !hist ? '…' : fmtNum(hist.totales.citas_total, 0)}</p>
                </div>
                <div className="text-right">
                  <p className="text-xs font-medium text-theme-muted uppercase">Visitas</p>
                  <p className="font-heading text-xl text-theme-heading">{histLoading || !hist ? '…' : fmtNum(hist.totales.visitas_total, 0)}</p>
                </div>
              </div>
            </div>

            {/* Tabs */}
            <div className="flex flex-wrap gap-1.5 mb-4">
              {([{ key: 'info', label: 'Info' }, { key: 'horario', label: 'Horario' }, { key: 'historial', label: 'Historial' }] as const).map((t) => (
                <button
                  key={t.key}
                  type="button"
                  onClick={() => setModalTab(t.key)}
                  className={`px-4 py-2 text-sm font-medium rounded-full transition ${
                    modalTab === t.key ? 'bg-theme-accent text-theme-inverse' : 'bg-theme-accent-bg text-theme-heading hover:bg-theme-bg'
                  }`}
                >
                  {t.label}
                </button>
              ))}
            </div>

            {modalTab === 'info' ? (
              <div className="space-y-4">
                <div>
                  <p className="text-xs font-medium text-theme-muted uppercase mb-2">Resumen de actividad</p>
                  <div className="grid grid-cols-2 sm:grid-cols-4 gap-3">
                    <div className="p-3 bg-theme-bg rounded-xl">
                      <p className="text-xs text-theme-muted flex items-center gap-1 mb-1"><Users size={12} /> Pacientes asignados</p>
                      <p className="font-heading text-xl text-theme-heading">{fmtNum(selected.patient_count ?? 0, 0)}</p>
                    </div>
                    <div className="p-3 bg-theme-bg rounded-xl" title="Ventas con líneas recetadas por el médico, últimos 30 días">
                      <p className="text-xs text-theme-muted flex items-center gap-1 mb-1"><ShoppingCart size={12} /> Ventas 30d</p>
                      <p className="font-heading text-xl text-theme-heading">{selected.ventas_30d ?? 0}</p>
                    </div>
                    <div className="p-3 bg-theme-bg rounded-xl" title="Subtotal de líneas recetadas, últimos 30 días">
                      <p className="text-xs text-theme-muted flex items-center gap-1 mb-1"><DollarSign size={12} /> Total 30d</p>
                      <p className="font-heading text-xl text-theme-heading">{fmtMoney(selected.total_30d ?? 0)}</p>
                    </div>
                    <div className="p-3 bg-theme-bg rounded-xl" title="Pagado con tarjeta (terminal física), últimos 30 días">
                      <p className="text-xs text-theme-muted flex items-center gap-1 mb-1"><CreditCard size={12} /> Tarjeta 30d</p>
                      <p className="font-heading text-xl text-theme-heading">{fmtMoney(selected.card_30d ?? 0)}</p>
                    </div>
                  </div>
                  <div className="mt-2">
                    <span
                      className="inline-flex items-center rounded px-1.5 py-0.5 text-[11px] text-white"
                      style={{ backgroundColor: '#605ca8' }}
                      title="Equivalente en USD al TC vigente"
                    >
                      {selected.total_30d_usd == null ? '—' : `≈ ${fmtNum(selected.total_30d_usd)}`} usd
                    </span>
                  </div>
                </div>

                <div>
                  <p className="text-xs font-medium text-theme-muted uppercase mb-2">Contacto</p>
                  <div className="p-4 bg-theme-bg rounded-xl grid grid-cols-1 sm:grid-cols-3 gap-4">
                    <div>
                      <p className="text-xs text-theme-muted flex items-center gap-1 mb-0.5"><Phone size={12} /> Teléfono</p>
                      <p className="text-sm font-medium text-theme-heading">{selected.work_phone || '—'}</p>
                    </div>
                    <div className="min-w-0">
                      <p className="text-xs text-theme-muted flex items-center gap-1 mb-0.5"><Mail size={12} /> Email</p>
                      <p className="text-sm font-medium text-theme-heading truncate">{selected.work_email || '—'}</p>
                    </div>
                    <div>
                      <p className="text-xs text-theme-muted flex items-center gap-1 mb-0.5"><Percent size={12} /> Comisión</p>
                      <p className="text-sm font-medium text-theme-heading">{selected.commission_pct ?? 0}%</p>
                      <p className="text-[11px] text-theme-muted">Se edita inline en la tabla</p>
                    </div>
                  </div>
                </div>

                <div>
                  <p className="text-xs font-medium text-theme-muted uppercase mb-2">Meta mensual</p>
                  <div className="p-4 bg-theme-bg rounded-xl flex flex-col sm:flex-row sm:items-end gap-4">
                    <div className="max-w-[200px]">
                      <Input
                        label="Meta del mes (m.n.)"
                        type="number"
                        min="0"
                        step="1000"
                        value={goalDraft}
                        onChange={(e) => setGoalDraft(e.target.value)}
                      />
                    </div>
                    <Button
                      variant="outline"
                      loading={savingGoal}
                      onClick={() => saveGoal(selected)}
                      title="Guardar meta mensual"
                    >
                      <Save size={14} className="mr-1.5" />
                      Guardar meta
                    </Button>
                    <div className="flex-1 min-w-[180px]">
                      <GoalBar goal={selected.monthly_goal ?? 0} real={selected.month_total ?? 0} />
                    </div>
                  </div>
                </div>
              </div>
            ) : modalTab === 'horario' ? (
              <div className="space-y-4">
                <div className="flex flex-wrap items-center justify-between gap-3">
                  <div>
                    <p className="text-xs font-medium text-theme-muted uppercase">Semana tipo (horario base)</p>
                    <p className="text-xs text-theme-muted mt-0.5">
                      Marca los días que atiende y sus horas. La agenda sólo ofrecerá esos horarios y rechazará
                      citas nuevas fuera de ellos. Sin días marcados, la agenda no restringe.
                    </p>
                  </div>
                  <Button variant="outline" size="sm" onClick={copiarLunes}>
                    <Copy size={14} className="mr-1.5" />
                    Copiar lunes a todos
                  </Button>
                </div>

                <div className="border border-theme-border rounded-xl divide-y divide-theme-border">
                  {DIAS.map((nombre, i) => {
                    const key = String(i);
                    const dia = dias[key] || diaDraftVacio();
                    const activo = dia.works;
                    return (
                      <div key={key} className="flex flex-wrap items-center gap-3 p-3">
                        <label className="flex items-center gap-2 min-w-[140px] cursor-pointer">
                          <input
                            type="checkbox"
                            checked={activo}
                            aria-label={`Trabaja ${nombre}`}
                            onChange={(e) => setDia(key, { works: e.target.checked })}
                            className="h-4 w-4 rounded border-theme-border-strong accent-theme-accent"
                          />
                          <span className={`text-sm font-medium ${activo ? 'text-theme-heading' : 'text-theme-muted'}`}>
                            {nombre}
                          </span>
                        </label>
                        <div className="flex items-center gap-2">
                          <Input
                            type="time"
                            aria-label={`Inicio ${nombre}`}
                            value={dia.from}
                            disabled={!activo}
                            onChange={(e) => setDia(key, { from: e.target.value })}
                            className="max-w-[130px]"
                          />
                          <span className="text-theme-muted text-sm">a</span>
                          <Input
                            type="time"
                            aria-label={`Fin ${nombre}`}
                            value={dia.to}
                            disabled={!activo}
                            onChange={(e) => setDia(key, { to: e.target.value })}
                            className="max-w-[130px]"
                          />
                        </div>
                        {!activo && <span className="text-xs text-theme-muted">No atiende</span>}
                      </div>
                    );
                  })}
                </div>

                <div className="flex flex-wrap items-center justify-between gap-3">
                  <p className="text-xs text-theme-muted">
                    {selected.tiene_horario
                      ? `Horario actual: ${selected.horario_resumen}`
                      : 'Sin horario configurado: la agenda funciona como siempre (8:00 a 19:00).'}
                  </p>
                  <div className="flex gap-2">
                    <Button
                      variant="outline"
                      onClick={() => setDias(draftDesdeHorario([]))}
                      title="Quitar todos los días"
                    >
                      Limpiar
                    </Button>
                    <Button loading={savingHorario} onClick={() => saveHorario(selected)}>
                      <Clock size={14} className="mr-1.5" />
                      Guardar horario
                    </Button>
                  </div>
                </div>
              </div>
            ) : (
              <div>
                {histLoading ? (
                  <Skeleton count={4} className="h-10 w-full" />
                ) : !hist ? (
                  <EmptyState title="Sin historial" subtitle="No se pudo cargar la actividad del médico." />
                ) : (
                  <>
                    <div className="grid grid-cols-2 sm:grid-cols-4 gap-2 mb-4">
                      <div className="p-2.5 bg-theme-bg rounded-xl">
                        <p className="text-[11px] text-theme-muted flex items-center gap-1 mb-0.5"><CalendarDays size={12} /> Citas totales</p>
                        <p className="font-heading text-base text-theme-heading">{fmtNum(hist.totales.citas_total, 0)}</p>
                      </div>
                      <div className="p-2.5 bg-theme-bg rounded-xl">
                        <p className="text-[11px] text-theme-muted flex items-center gap-1 mb-0.5"><ClipboardList size={12} /> Visitas totales</p>
                        <p className="font-heading text-base text-theme-heading">{fmtNum(hist.totales.visitas_total, 0)}</p>
                      </div>
                      <div className="p-2.5 bg-theme-bg rounded-xl">
                        <p className="text-[11px] text-theme-muted flex items-center gap-1 mb-0.5"><ShoppingCart size={12} /> Líneas recetadas</p>
                        <p className="font-heading text-base text-theme-heading">{fmtNum(hist.totales.ventas_total_lineas, 0)}</p>
                      </div>
                      <div className="p-2.5 bg-theme-bg rounded-xl">
                        <p className="text-[11px] text-theme-muted flex items-center gap-1 mb-0.5"><DollarSign size={12} /> Monto recetado</p>
                        <p className="font-heading text-base text-theme-heading">{fmtMoney(hist.totales.monto_total)}</p>
                      </div>
                    </div>
                    <div className="flex flex-wrap gap-1.5 mb-3">
                      {([
                        { key: 'citas', label: 'Citas', icon: <CalendarDays size={14} className="mr-1" /> },
                        { key: 'visitas', label: 'Visitas', icon: <FileText size={14} className="mr-1" /> },
                        { key: 'ventas', label: 'Ventas recetadas', icon: <ShoppingCart size={14} className="mr-1" /> },
                      ] as const).map((s) => (
                        <button
                          key={s.key}
                          type="button"
                          onClick={() => setHistSection(s.key)}
                          className={`px-3 py-1.5 text-xs font-medium rounded-full transition inline-flex items-center ${
                            histSection === s.key ? 'bg-theme-accent text-theme-inverse' : 'bg-theme-accent-bg text-theme-heading hover:bg-theme-bg'
                          }`}
                        >
                          {s.icon}{s.label}
                        </button>
                      ))}
                    </div>

                    {histSection === 'citas' && (
                      hist.citas.length === 0 ? (
                        <EmptyState title="Sin citas" subtitle="Este médico no tiene citas registradas." />
                      ) : (
                        <div className="overflow-x-auto max-h-[50vh] overflow-y-auto">
                          <table className="w-full text-sm">
                            <thead className="bg-theme-bg text-theme-muted text-xs uppercase">
                              <tr>
                                <th className="text-left px-3 py-2">Fecha</th>
                                <th className="text-left px-3 py-2">Hora</th>
                                <th className="text-left px-3 py-2">Paciente</th>
                                <th className="text-left px-3 py-2">Servicio</th>
                                <th className="text-left px-3 py-2">Estado</th>
                              </tr>
                            </thead>
                            <tbody className="divide-y divide-theme-border">
                              {hist.citas.map((c) => (
                                <tr key={c.id} className="hover:bg-theme-bg">
                                  <td className="px-3 py-2 text-theme-heading whitespace-nowrap">{c.date || '—'}</td>
                                  <td className="px-3 py-2 text-theme-muted">{c.time || '—'}</td>
                                  <td className="px-3 py-2 text-theme-heading">{c.patient}</td>
                                  <td className="px-3 py-2 text-theme-muted">{c.service}</td>
                                  <td className="px-3 py-2"><StateBadge map={CITA_STATE} state={c.state} /></td>
                                </tr>
                              ))}
                            </tbody>
                          </table>
                        </div>
                      )
                    )}

                    {histSection === 'visitas' && (
                      hist.visitas.length === 0 ? (
                        <EmptyState title="Sin visitas" subtitle="Este médico no tiene visitas registradas." />
                      ) : (
                        <div className="overflow-x-auto max-h-[50vh] overflow-y-auto">
                          <table className="w-full text-sm">
                            <thead className="bg-theme-bg text-theme-muted text-xs uppercase">
                              <tr>
                                <th className="text-left px-3 py-2">Fecha</th>
                                <th className="text-left px-3 py-2">Paciente</th>
                                <th className="text-left px-3 py-2">Motivo</th>
                                <th className="text-left px-3 py-2">Estado</th>
                              </tr>
                            </thead>
                            <tbody className="divide-y divide-theme-border">
                              {hist.visitas.map((v) => (
                                <tr key={v.id} className="hover:bg-theme-bg">
                                  <td className="px-3 py-2 text-theme-heading whitespace-nowrap">{v.date_start || '—'}</td>
                                  <td className="px-3 py-2 text-theme-heading">{v.patient}</td>
                                  <td className="px-3 py-2 text-theme-muted">{v.motivo || '—'}</td>
                                  <td className="px-3 py-2"><StateBadge map={VISITA_STATE} state={v.state} /></td>
                                </tr>
                              ))}
                            </tbody>
                          </table>
                        </div>
                      )
                    )}

                    {histSection === 'ventas' && (
                      hist.ventas.length === 0 ? (
                        <EmptyState title="Sin ventas recetadas" subtitle="Este médico no tiene líneas recetadas." />
                      ) : (
                        <div className="overflow-x-auto max-h-[50vh] overflow-y-auto">
                          <table className="w-full text-sm">
                            <thead className="bg-theme-bg text-theme-muted text-xs uppercase">
                              <tr>
                                <th className="text-left px-3 py-2">Folio</th>
                                <th className="text-left px-3 py-2">Fecha</th>
                                <th className="text-left px-3 py-2">Paciente</th>
                                <th className="text-left px-3 py-2">Servicio / Artículo</th>
                                <th className="text-right px-3 py-2">Subtotal</th>
                                <th className="text-left px-3 py-2">Estado</th>
                              </tr>
                            </thead>
                            <tbody className="divide-y divide-theme-border">
                              {hist.ventas.map((l) => (
                                <tr key={l.id} className="hover:bg-theme-bg">
                                  <td className="px-3 py-2 text-theme-heading whitespace-nowrap">{l.venta}</td>
                                  <td className="px-3 py-2 text-theme-muted whitespace-nowrap">{l.date || '—'}</td>
                                  <td className="px-3 py-2 text-theme-heading">{l.patient}</td>
                                  <td className="px-3 py-2 text-theme-muted">{l.item}</td>
                                  <td className="px-3 py-2 text-right text-theme-heading">{fmtMoney(l.subtotal)}</td>
                                  <td className="px-3 py-2"><StateBadge map={VENTA_STATE} state={l.state} /></td>
                                </tr>
                              ))}
                            </tbody>
                          </table>
                        </div>
                      )
                    )}
                  </>
                )}
              </div>
            )}
          </div>
        )}
      </Modal>
    </Layout>
  );
};

export default Medicos;