import type { FC } from 'react';
import { useEffect, useMemo, useState } from 'react';
import { Mail, Phone, Stethoscope, Briefcase, Save, Percent } from 'lucide-react';
import Layout from '../components/Layout';
import { Card, Badge, EmptyState, PageHeader, Skeleton, MobileCard, Input, Button, toast } from '../components/ui';
import { odooApi, type Doctor } from '../services/odoo';

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 Medicos: FC = () => {
  const [employees, setEmployees] = useState<Doctor[]>([]);
  const [loading, setLoading] = useState(true);
  const [error, setError] = useState<string | null>(null);

  useEffect(() => {
    const load = async () => {
      try {
        setLoading(true);
        setError(null);
        const res = await odooApi.getDoctors();
        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 medical = employees.filter((d) => isMedicalTitle(d.job_title));
    return medical.length > 0 ? medical : employees;
  }, [employees]);

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

  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);
    }
  };

  return (
    <Layout title="Médicos" subtitle="Equipo médico">
      <PageHeader title="Médicos" subtitle="Especialistas de la clínica" />

      <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 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>
                    </tr>
                  </thead>
                  <tbody className="divide-y">
                    {doctors.map((d) => (
                      <tr key={d.id} className="hover:bg-theme-bg">
                        <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 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">
                          <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>
                      </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: 'Teléfono', value: d.work_phone || '-' },
                      { label: 'Email', value: d.work_email || '-' },
                      { label: '% Comisión', value: `${d.commission_pct ?? 0}%` },
                    ]}
                  />
                ))}
              </div>
            </>
          )}
        </Card.Body>
      </Card>
    </Layout>
  );
};

export default Medicos;
