/* eslint-disable @typescript-eslint/no-explicit-any */
/* eslint-disable react-hooks/set-state-in-effect */
'use client';

import { getCounts, getProtocols } from '@/services/protocolService';
import { Button } from '@/views/components/ui/button';
import {
  Dialog,
  DialogContent,
  DialogFooter,
  DialogHeader,
  DialogTitle,
  DialogTrigger,
} from '@/views/components/ui/dialog';
import {
  Pagination,
  PaginationContent,
  PaginationEllipsis,
  PaginationItem,
  PaginationLink,
  PaginationNext,
  PaginationPrevious,
} from '@/views/components/ui/pagination';
import {
  Table,
  TableBody,
  TableCell,
  TableHead,
  TableHeader,
  TableRow,
} from '@/views/components/ui/table';
import { useEffect, useState } from 'react';

import type { Protocol } from '@/services/protocolService';
import {
  Card,
  CardContent,
  CardHeader,
  CardTitle,
} from '../components/ui/card';

type Props = {
  status: string;
};

export function ProtocolsDialog({ status }: Props) {
  const [open, setOpen] = useState(false);
  const [search, setSearch] = useState('');
  const [page, setPage] = useState(1);
  const [pageSize] = useState(10);
  const [allItems, setAllItems] = useState<Protocol[]>([]);
  const [paginatedItems, setPaginatedItems] = useState<Protocol[]>([]);
  const [total, setTotal] = useState(0);
  const [loading, setLoading] = useState(false);
  const [counts, setCounts] = useState<Record<string, number>>({ Todos: 0 });

  const label = `${status} (${counts[status] ?? 0})`;

  useEffect(() => {
    setCounts(getCounts());
  }, []);

  useEffect(() => {
    if (!open) return;

    setLoading(true);
    getProtocols({
      status: status as any,
      page: 1,
      pageSize: 1000,
      search,
    }).then((r) => {
      setAllItems(r.items);
      setTotal(r.total);
      setLoading(false);
      setPage(1); // Reset para primeira página quando buscar
    });
  }, [open, search, status]);

  // Efeito para aplicar a paginação local
  useEffect(() => {
    if (allItems.length === 0) {
      setPaginatedItems([]);
      return;
    }

    const startIndex = (page - 1) * pageSize;
    const endIndex = startIndex + pageSize;
    const itemsForCurrentPage = allItems.slice(startIndex, endIndex);

    setPaginatedItems(itemsForCurrentPage);
  }, [allItems, page, pageSize]);

  const totalPages = Math.max(1, Math.ceil(total / pageSize));

  function getPageItems(totalPages: number, current: number) {
    const pages: Array<number | 'ellipsis'> = [];
    if (totalPages <= 7) {
      for (let i = 1; i <= totalPages; i++) pages.push(i);
      return pages;
    }

    pages.push(1);
    const left = Math.max(2, current - 1);
    const right = Math.min(totalPages - 1, current + 1);

    if (left > 2) pages.push('ellipsis');

    for (let i = left; i <= right; i++) pages.push(i);

    if (right < totalPages - 1) pages.push('ellipsis');

    pages.push(totalPages);
    return pages;
  }

  const handlePreviousPage = () => {
    if (page > 1) {
      setPage(page - 1);
    }
  };

  const handleNextPage = () => {
    if (page < totalPages) {
      setPage(page + 1);
    }
  };

  const handlePageClick = (pageNumber: number) => {
    setPage(pageNumber);
  };

  const pageItems = getPageItems(totalPages, page);

  return (
    <Dialog
      open={open}
      onOpenChange={(v) => {
        setOpen(v);
        if (!v) {
          // Resetar estado quando o dialog fechar
          setSearch('');
          setPage(1);
        }
      }}>
      <DialogTrigger asChild>
        <Card className="hover:shadow-md transition-shadow duration-200 cursor-pointer">
          <CardHeader>
            <CardTitle className="text-sm">{`Protocolos ${status.toLowerCase()}`}</CardTitle>
          </CardHeader>
          <CardContent>
            <div className="text-2xl font-bold mb-3">{counts[status] ?? 0}</div>
          </CardContent>
        </Card>
      </DialogTrigger>

      <DialogContent className="min-w-[80vw] max-w-[80vw] h-full max-h-[80vh] overflow-auto">
        <DialogHeader>
          <DialogTitle>{label}</DialogTitle>
        </DialogHeader>

        <div className="flex gap-2 items-center mb-4">
          <input
            className="flex-1 rounded-sm border px-3 py-2"
            placeholder={`Pesquisar em ${label.toLowerCase()}...`}
            value={search}
            onChange={(e) => {
              setSearch(e.target.value);
              setPage(1);
            }}
          />
          <div className="text-sm text-muted-foreground">
            {loading ? 'Carregando...' : `${total} encontrados`}
          </div>
        </div>

        <div className="overflow-auto">
          <Table>
            <TableHeader>
              <TableRow>
                <TableHead className="w-[100px]">Código</TableHead>
                <TableHead>Assunto</TableHead>
                <TableHead className="w-[120px]">Data</TableHead>
                <TableHead>Solicitante</TableHead>
                <TableHead>Local</TableHead>
              </TableRow>
            </TableHeader>
            <TableBody>
              {paginatedItems.map((protocol) => (
                <TableRow key={protocol.id}>
                  <TableCell className="font-medium">{protocol.id}</TableCell>
                  <TableCell>{protocol.title}</TableCell>
                  <TableCell>{protocol.date}</TableCell>
                  <TableCell>{protocol.sender}</TableCell>
                  <TableCell>{protocol.location}</TableCell>
                </TableRow>
              ))}
              {paginatedItems.length === 0 && (
                <TableRow>
                  <TableCell colSpan={5} className="h-24 text-center">
                    {loading ? 'Carregando...' : 'Nenhum protocolo encontrado.'}
                  </TableCell>
                </TableRow>
              )}
            </TableBody>
          </Table>
        </div>

        <div className="flex items-center justify-between gap-2 mt-4">
          <div className="text-sm text-muted-foreground">
            Página {page} de {totalPages}
          </div>

          <Pagination className='w-fit m-0'>
            <PaginationContent>
              <PaginationItem>
                <PaginationPrevious
                  href="#"
                  onClick={handlePreviousPage}
                  className={page <= 1 ? 'pointer-events-none opacity-50' : ''}
                />
              </PaginationItem>

              {pageItems.map((pageItem, index) => (
                <PaginationItem key={index}>
                  {pageItem === 'ellipsis' ? (
                    <PaginationEllipsis />
                  ) : (
                    <PaginationLink
                      href="#"
                      onClick={() => handlePageClick(pageItem)}
                      isActive={pageItem === page}>
                      {pageItem}
                    </PaginationLink>
                  )}
                </PaginationItem>
              ))}

              <PaginationItem>
                <PaginationNext
                  href="#"
                  onClick={handleNextPage}
                  className={
                    page >= totalPages ? 'pointer-events-none opacity-50' : ''
                  }
                />
              </PaginationItem>
            </PaginationContent>
          </Pagination>
        </div>

        <DialogFooter>
          <Button onClick={() => setOpen(false)}>Fechar</Button>
        </DialogFooter>
      </DialogContent>
    </Dialog>
  );
}

export default ProtocolsDialog;