import { useState } from 'react';
import { useNavigate } from 'react-router-dom';
import {
  Plus,
  MoreVertical,
  Eye,
  Edit,
  Trash2,
  Building2,
} from 'lucide-react';
import { Button } from '@components/atoms/Button';
import { Card, CardHeader, CardTitle, CardContent } from '@components/molecules/Card';
import { DataTable, type Column } from '@components/organisms/DataTable';
import { Dropdown, type DropdownItem } from '@components/organisms/Dropdown';
import { ConfirmModal } from '@components/organisms/Modal';
import { Breadcrumbs } from '@components/organisms/Breadcrumbs';
import { NoDataEmptyState, ErrorEmptyState } from '@components/templates/EmptyState';
import { useCompanies } from '@features/companies/hooks';
import { CompanyFiltersPanel } from '@features/companies/components/CompanyFiltersPanel';
import type { Company } from '@features/companies/types';
import { formatDate } from '@utils/formatters';

export function CompaniesListPage() {
  const navigate = useNavigate();
  const [companyToDelete, setCompanyToDelete] = useState<Company | null>(null);

  const {
    companies,
    total,
    page,
    totalPages,
    isLoading,
    error,
    filters,
    setFilters,
    deleteCompany,
    refresh,
  } = useCompanies({ page: 1, limit: 10 });

  const getActionsMenu = (company: Company): DropdownItem[] => {
    return [
      {
        key: 'view',
        label: 'Ver detalle',
        icon: <Eye className="h-4 w-4" />,
        onClick: () => navigate(`/companies/${company.id}`),
      },
      {
        key: 'edit',
        label: 'Editar',
        icon: <Edit className="h-4 w-4" />,
        onClick: () => navigate(`/companies/${company.id}/edit`),
      },
      {
        key: 'delete',
        label: 'Eliminar',
        icon: <Trash2 className="h-4 w-4" />,
        danger: true,
        onClick: () => setCompanyToDelete(company),
      },
    ];
  };

  const columns: Column<Company>[] = [
    {
      key: 'company',
      header: 'Empresa',
      render: (company) => (
        <div className="flex items-center gap-3">
          <div className="flex h-10 w-10 items-center justify-center rounded-lg bg-primary-100">
            <Building2 className="h-5 w-5 text-primary-600" />
          </div>
          <div>
            <div className="font-medium text-gray-900">{company.name}</div>
            <div className="text-sm text-gray-500">{company.taxId || '-'}</div>
          </div>
        </div>
      ),
    },
    {
      key: 'legalName',
      header: 'Razón social',
      render: (company) => (
        <span className="text-sm text-gray-600">{company.legalName || '-'}</span>
      ),
    },
    {
      key: 'parent',
      header: 'Empresa matriz',
      render: (company) => (
        <span className="text-sm text-gray-600">
          {company.parentCompanyName || '-'}
        </span>
      ),
    },
    {
      key: 'currency',
      header: 'Moneda',
      render: (company) => (
        <span className="inline-flex rounded-full bg-gray-100 px-2 py-1 text-xs font-medium text-gray-700">
          {company.currencyCode || 'MXN'}
        </span>
      ),
    },
    {
      key: 'createdAt',
      header: 'Creado',
      sortable: true,
      render: (company) => (
        <span className="text-sm text-gray-500">
          {formatDate(company.createdAt, 'short')}
        </span>
      ),
    },
    {
      key: 'actions',
      header: '',
      render: (company) => (
        <Dropdown
          trigger={
            <button className="rounded p-1 hover:bg-gray-100">
              <MoreVertical className="h-4 w-4 text-gray-500" />
            </button>
          }
          items={getActionsMenu(company)}
          align="right"
        />
      ),
    },
  ];

  const handlePageChange = (newPage: number) => {
    setFilters({ ...filters, page: newPage });
  };

  const handleSort = (key: string) => {
    const newOrder = filters.sortBy === key && filters.sortOrder === 'asc' ? 'desc' : 'asc';
    setFilters({ ...filters, sortBy: key, sortOrder: newOrder });
  };

  const handleDeleteConfirm = async () => {
    if (companyToDelete) {
      await deleteCompany(companyToDelete.id);
      setCompanyToDelete(null);
    }
  };

  if (error) {
    return (
      <div className="p-6">
        <ErrorEmptyState onRetry={refresh} />
      </div>
    );
  }

  return (
    <div className="space-y-6 p-6">
      <Breadcrumbs items={[{ label: 'Empresas' }]} />

      <div className="flex items-center justify-between">
        <div>
          <h1 className="text-2xl font-bold text-gray-900">Empresas</h1>
          <p className="text-sm text-gray-500">
            Gestiona las empresas del sistema
          </p>
        </div>
        <Button onClick={() => navigate('/companies/new')}>
          <Plus className="mr-2 h-4 w-4" />
          Nueva empresa
        </Button>
      </div>

      <Card>
        <CardHeader>
          <CardTitle>Lista de empresas</CardTitle>
        </CardHeader>
        <CardContent>
          <div className="space-y-4">
            <CompanyFiltersPanel
              filters={filters}
              onFiltersChange={setFilters}
            />

            {companies.length === 0 && !isLoading ? (
              <NoDataEmptyState
                entityName="empresas"
                onCreateNew={() => navigate('/companies/new')}
              />
            ) : (
              <DataTable
                data={companies}
                columns={columns}
                isLoading={isLoading}
                pagination={{
                  page,
                  totalPages,
                  total,
                  limit: filters.limit || 10,
                  onPageChange: handlePageChange,
                }}
                sorting={{
                  sortBy: filters.sortBy || null,
                  sortOrder: (filters.sortOrder as 'asc' | 'desc') || 'asc',
                  onSort: handleSort,
                }}
              />
            )}
          </div>
        </CardContent>
      </Card>

      {/* Delete confirmation modal */}
      <ConfirmModal
        isOpen={!!companyToDelete}
        onClose={() => setCompanyToDelete(null)}
        onConfirm={handleDeleteConfirm}
        title="Eliminar empresa"
        message={`¿Estás seguro de que deseas eliminar "${companyToDelete?.name}"? Esta acción no se puede deshacer.`}
        variant="danger"
        confirmText="Eliminar"
      />
    </div>
  );
}

export default CompaniesListPage;