import { Button } from "@repo/shadcn-ui/components/button";
import { Card, CardContent } from "@repo/shadcn-ui/components/card";
import { FormDialog } from "@repo/shadcn-ui/components/form-dialog";
import { Input } from "@repo/shadcn-ui/components/input";
import { Label } from "@repo/shadcn-ui/components/label";
import {
  Table,
  TableBody,
  TableCell,
  TableHead,
  TableHeader,
  TableRow,
} from "@repo/shadcn-ui/components/table";
import { useQuery } from "@tanstack/react-query";
import type { ColumnDef } from "@tanstack/react-table";
import { getCoreRowModel, getFilteredRowModel, useReactTable } from "@tanstack/react-table";
import { useId, useState } from "react";
import { useTranslation } from "react-i18next";

import type { CompanySummaryDTO } from "../../common";
import { companyApi, companyKeys } from "../api/company-api";

import { CompanyDetail } from "./company-detail";
import { CompanyFeedback } from "./company-feedback";
import { CompanyForm } from "./company-form";

const EMPTY_COMPANIES: CompanySummaryDTO[] = [];
const COMPANY_COLUMNS: ColumnDef<CompanySummaryDTO>[] = [
  { accessorKey: "name" },
  { accessorKey: "active", enableGlobalFilter: false },
];

export function CompaniesPage({
  csrfToken,
  onSelectCompany,
}: {
  csrfToken: string;
  onSelectCompany?: (id: string) => void;
}) {
  const { t } = useTranslation("companies");
  const query = useQuery({ queryKey: companyKeys.list, queryFn: companyApi.list });
  const [selectedId, setSelectedId] = useState<string | undefined>();
  const [createOpen, setCreateOpen] = useState(false);
  const [search, setSearch] = useState("");
  const id = useId();
  const table = useReactTable({
    data: query.data?.companies ?? EMPTY_COMPANIES,
    columns: COMPANY_COLUMNS,
    getCoreRowModel: getCoreRowModel(),
    getFilteredRowModel: getFilteredRowModel(),
    state: { globalFilter: search.trim() },
    globalFilterFn: "includesString",
  });
  const selectCompany = onSelectCompany ?? setSelectedId;
  if (selectedId && !onSelectCompany) {
    return (
      <CompanyDetail
        csrfToken={csrfToken}
        id={selectedId}
        key={selectedId}
        onBack={() => setSelectedId(undefined)}
      />
    );
  }
  const companies = table.getRowModel().rows.map((row) => row.original);
  return (
    <div className="space-y-6">
      <div className="flex flex-wrap items-start justify-between gap-4">
        <div>
          <h1 className="text-2xl font-semibold">{t("title")}</h1>
          <p className="mt-2 text-muted-foreground">{t("help")}</p>
        </div>
        <Button onClick={() => setCreateOpen(true)}>{t("newCompany")}</Button>
      </div>
      <div className="space-y-2">
        <Label htmlFor={id}>{t("search")}</Label>
        <Input
          className="max-w-md"
          id={id}
          onChange={(event) => setSearch(event.target.value)}
          placeholder={t("searchPlaceholder")}
          value={search}
        />
      </div>
      {query.isPending && <p role="status">{t("loading")}</p>}
      <CompanyFeedback error={query.error} />
      {query.isError && (
        <Button
          onClick={() => {
            query.refetch().catch(() => undefined);
          }}
          variant="outline"
        >
          {t("retry")}
        </Button>
      )}
      {query.data && (
        <Card>
          <CardContent className="pt-6">
            {companies.length === 0 ? (
              <p className="text-muted-foreground">{t(search ? "noResults" : "empty")}</p>
            ) : (
              <Table>
                <TableHeader>
                  <TableRow>
                    <TableHead>{t("name")}</TableHead>
                    <TableHead>{t("status")}</TableHead>
                    <TableHead>{t("actions")}</TableHead>
                  </TableRow>
                </TableHeader>
                <TableBody>
                  {companies.map((company) => (
                    <TableRow key={company.id}>
                      <TableCell className="font-medium">{company.name}</TableCell>
                      <TableCell>{t(company.active ? "active" : "inactive")}</TableCell>
                      <TableCell>
                        <Button
                          onClick={() => selectCompany(company.id)}
                          size="sm"
                          variant="outline"
                        >
                          {t("open")}
                        </Button>
                      </TableCell>
                    </TableRow>
                  ))}
                </TableBody>
              </Table>
            )}
          </CardContent>
        </Card>
      )}
      <FormDialog
        cancelLabel={t("cancel")}
        formActions
        onOpenChange={setCreateOpen}
        open={createOpen}
        title={t("newCompany")}
      >
        <CompanyForm
          csrfToken={csrfToken}
          onCreated={(companyId) => {
            setCreateOpen(false);
            selectCompany(companyId);
          }}
          showTitle={false}
        />
      </FormDialog>
    </div>
  );
}