'use client';

import Link from 'next/link';
import {useMemo, useState} from 'react';
import {useMutation} from '@tanstack/react-query';
import {Eye, Pencil, Plus, Trash2} from 'lucide-react';
import {toast} from 'sonner';

import {
  AlertDialog,
  AlertDialogAction,
  AlertDialogCancel,
  AlertDialogContent,
  AlertDialogDescription,
  AlertDialogFooter,
  AlertDialogHeader,
  AlertDialogTitle,
} from '@/components/ui/alert-dialog';
import {Button} from '@/components/ui/button';
import {EmptyStateWithBorder} from '@/components/layout/empty';
import {Table, TableBody, TableCell, TableHead, TableHeader, TableRow} from '@/components/ui/table';
import {Tooltip, TooltipContent, TooltipProvider, TooltipTrigger} from '@/components/ui/tooltip';
import {
  ZoneDomainService,
  type ProxyRouteItem,
  type TlsCertificateItem,
  type ZoneDomainItem,
} from '@/lib/services/openflare';

import {getUpstreamLabels} from '../../../proxy-routes/components/helpers';
import {ZoneDomainDialog} from './zone-domain-dialog';

export function ZoneDomainsTable({
  zoneId,
  domains,
  certificates,
  routes,
  routesLoading = false,
  onChanged,
}: {
  zoneId: number;
  domains: ZoneDomainItem[];
  certificates: TlsCertificateItem[];
  routes: ProxyRouteItem[];
  routesLoading?: boolean;
  onChanged(): Promise<unknown> | void;
}) {
  const [editing, setEditing] = useState<ZoneDomainItem | null | undefined>(undefined);
  const [deleting, setDeleting] = useState<ZoneDomainItem | null>(null);

  const remove = useMutation({
    mutationFn: (id: number) => ZoneDomainService.deleteById(zoneId, id),
    onSuccess: async () => {
      toast.success('域名已删除');
      setDeleting(null);
      await onChanged();
    },
    onError: (error) => toast.error(error instanceof Error ? error.message : '删除失败'),
  });

  const certificateMap = useMemo(
    () => new Map(certificates.map((certificate) => [certificate.id, certificate])),
    [certificates],
  );
  const routeMap = useMemo(
    () => new Map(routes.map((route) => [route.id, route])),
    [routes],
  );

  return (
    <>
      <div className="mb-3 flex justify-end">
        <Button
          variant="secondary"
          size="sm"
          className="h-7 text-xs"
          onClick={() => setEditing(null)}
        >
          <Plus className="mr-1 size-3.5" />
          添加域名
        </Button>
      </div>

      {domains.length === 0 ? (
        <EmptyStateWithBorder description="暂无已添加域名" />
      ) : (
        <div className="overflow-hidden rounded-lg border border-dashed shadow-none">
          <TooltipProvider delayDuration={0}>
            <Table className="w-full min-w-full caption-bottom text-sm">
              <TableHeader className="sticky top-0 z-20 bg-background">
                <TableRow className="border-b border-dashed hover:bg-transparent">
                  <TableHead className="h-8 whitespace-nowrap py-2 min-w-[160px]">
                    FQDN
                  </TableHead>
                  <TableHead className="h-8 whitespace-nowrap py-2 min-w-[120px]">
                    证书
                  </TableHead>
                  <TableHead className="h-8 whitespace-nowrap py-2 min-w-[200px]">
                    上游
                  </TableHead>
                  <TableHead className="h-8 whitespace-nowrap py-2 min-w-[120px]">
                    备注
                  </TableHead>
                  <TableHead className="sticky right-0 z-10 h-8 w-[110px] bg-background py-2 text-center">
                    操作
                  </TableHead>
                </TableRow>
              </TableHeader>
              <TableBody>
                {domains.map((domain) => {
                  const route =
                    domain.proxy_route_id != null
                      ? routeMap.get(domain.proxy_route_id)
                      : undefined;
                  const upstreams = route ? getUpstreamLabels(route) : [];
                  const certLabel = domain.cert_id
                    ? (certificateMap.get(domain.cert_id)?.name ?? `证书 #${domain.cert_id}`)
                    : '未绑定';

                  return (
                    <TableRow
                      key={domain.id}
                      className="group border-dashed hover:bg-muted/30"
                    >
                      <TableCell className="py-1">
                        <span
                          className="max-w-[220px] truncate text-[11px] font-medium leading-tight"
                          title={domain.domain}
                        >
                          {domain.domain}
                        </span>
                      </TableCell>
                      <TableCell className="py-1 font-mono text-[10px] whitespace-nowrap text-muted-foreground">
                        {certLabel}
                      </TableCell>
                      <TableCell className="max-w-[280px] py-1">
                        {!domain.proxy_route_id ? (
                          <span className="font-mono text-[10px] text-muted-foreground">
                            未关联路由
                          </span>
                        ) : routesLoading && !route ? (
                          <span className="font-mono text-[10px] text-muted-foreground">
                            加载中…
                          </span>
                        ) : upstreams.length === 0 ? (
                          <span className="font-mono text-[10px] text-muted-foreground">
                            未配置上游
                          </span>
                        ) : (
                          <div className="flex flex-col gap-0">
                            {upstreams.map((upstream) => (
                              <span
                                key={upstream}
                                className="truncate font-mono text-[10px] leading-tight text-muted-foreground"
                                title={upstream}
                              >
                                {upstream}
                              </span>
                            ))}
                          </div>
                        )}
                      </TableCell>
                      <TableCell className="max-w-[160px] truncate py-1 font-mono text-[10px] text-muted-foreground">
                        {domain.remark || '—'}
                      </TableCell>
                      <TableCell
                        className="sticky right-0 z-10 bg-background py-1 text-center"
                        onClick={(event) => event.stopPropagation()}
                      >
                        <div className="flex items-center justify-center gap-0.5">
                          {domain.proxy_route_id ? (
                            <Tooltip>
                              <TooltipTrigger asChild>
                                <Button
                                  variant="ghost"
                                  size="icon"
                                  className="h-6 w-6 text-muted-foreground hover:text-foreground"
                                  asChild
                                >
                                  <Link
                                    href={`/proxy-routes/detail?id=${domain.proxy_route_id}`}
                                  >
                                    <Eye className="size-3" />
                                  </Link>
                                </Button>
                              </TooltipTrigger>
                              <TooltipContent side="top" className="text-xs">
                                查看路由详情
                              </TooltipContent>
                            </Tooltip>
                          ) : null}

                          <Tooltip>
                            <TooltipTrigger asChild>
                              <Button
                                variant="ghost"
                                size="icon"
                                className="h-6 w-6 text-muted-foreground hover:text-foreground"
                                onClick={() => setEditing(domain)}
                              >
                                <Pencil className="size-3" />
                              </Button>
                            </TooltipTrigger>
                            <TooltipContent side="top" className="text-xs">
                              编辑域名
                            </TooltipContent>
                          </Tooltip>

                          <Tooltip>
                            <TooltipTrigger asChild>
                              <Button
                                variant="ghost"
                                size="icon"
                                className="h-6 w-6 text-muted-foreground hover:text-destructive"
                                onClick={() => setDeleting(domain)}
                              >
                                <Trash2 className="size-3" />
                              </Button>
                            </TooltipTrigger>
                            <TooltipContent side="top" className="text-xs">
                              删除域名
                            </TooltipContent>
                          </Tooltip>
                        </div>
                      </TableCell>
                    </TableRow>
                  );
                })}
              </TableBody>
            </Table>
          </TooltipProvider>
        </div>
      )}

      <ZoneDomainDialog
        open={editing !== undefined}
        onOpenChange={(open) => {
          if (!open) {
            setEditing(undefined);
          }
        }}
        zoneId={zoneId}
        domain={editing ?? null}
        onSaved={onChanged}
      />

      <AlertDialog
        open={deleting !== null}
        onOpenChange={(open) => {
          if (!open) {
            setDeleting(null);
          }
        }}
      >
        <AlertDialogContent>
          <AlertDialogHeader>
            <AlertDialogTitle>确认删除域名</AlertDialogTitle>
            <AlertDialogDescription>
              确认删除 {deleting?.domain} 吗？此操作不可撤销。
            </AlertDialogDescription>
          </AlertDialogHeader>
          <AlertDialogFooter>
            <AlertDialogCancel disabled={remove.isPending}>取消</AlertDialogCancel>
            <AlertDialogAction
              className="bg-destructive text-white hover:bg-destructive/90"
              disabled={remove.isPending || !deleting}
              onClick={(event) => {
                event.preventDefault();
                if (deleting) {
                  remove.mutate(deleting.id);
                }
              }}
            >
              {remove.isPending ? '删除中…' : '确认删除'}
            </AlertDialogAction>
          </AlertDialogFooter>
        </AlertDialogContent>
      </AlertDialog>
    </>
  );
}