import { auth } from "@/auth";
import { sair } from "@/app/(auth)/actions";
import { Badge } from "@/components/ui/badge";
import { Button } from "@/components/ui/button";
import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
import { Table, TableBody, TableCell, TableHead, TableHeader, TableRow } from "@/components/ui/table";
import { getAdminDashboard } from "@/lib/admin-service";
import Link from "next/link";

export default async function AdminPage() {
  const session = await auth();
  const dashboard = await getAdminDashboard();
  const countByStatus = Object.fromEntries(
    dashboard.porStatus.map((item) => [item.status, item._count._all])
  );

  return (
    <main className="container py-8">
      <header className="mb-8 flex flex-col gap-4 sm:flex-row sm:items-center sm:justify-between">
        <div>
          <h1 className="text-3xl font-semibold">Painel administrativo</h1>
          <p className="mt-2 text-sm text-muted-foreground">
            Area restrita para {session?.user.email}.
          </p>
        </div>
        <form action={sair}>
          <Button variant="outline" type="submit">
            Sair
          </Button>
        </form>
      </header>

      <div className="mb-6 flex flex-wrap gap-3">
        <Button asChild variant="outline">
          <Link href="/admin/clientes">Clientes</Link>
        </Button>
        <Button asChild variant="outline">
          <Link href="/admin/perguntas">Perguntas</Link>
        </Button>
      </div>

      <div className="grid gap-4 md:grid-cols-4">
        <Card>
          <CardHeader>
            <CardTitle className="text-base">Briefings enviados</CardTitle>
          </CardHeader>
          <CardContent>
            <p className="text-3xl font-semibold">{countByStatus.ENVIADO ?? 0}</p>
          </CardContent>
        </Card>
        <Card>
          <CardHeader>
            <CardTitle className="text-base">Em analise</CardTitle>
          </CardHeader>
          <CardContent>
            <p className="text-3xl font-semibold">{countByStatus.EM_ANALISE ?? 0}</p>
          </CardContent>
        </Card>
        <Card>
          <CardHeader>
            <CardTitle className="text-base">Concluidos</CardTitle>
          </CardHeader>
          <CardContent>
            <p className="text-3xl font-semibold">{countByStatus.CONCLUIDO ?? 0}</p>
          </CardContent>
        </Card>
        <Card>
          <CardHeader>
            <CardTitle className="text-base">Novos em 7 dias</CardTitle>
          </CardHeader>
          <CardContent>
            <p className="text-3xl font-semibold">{dashboard.novosUltimos7Dias}</p>
          </CardContent>
        </Card>
      </div>

      <Card className="mt-6">
        <CardHeader>
          <CardTitle>Ultimos envios</CardTitle>
        </CardHeader>
        <CardContent>
          <Table>
            <TableHeader>
              <TableRow>
                <TableHead>Briefing</TableHead>
                <TableHead>Cliente</TableHead>
                <TableHead>Status</TableHead>
                <TableHead>Enviado em</TableHead>
              </TableRow>
            </TableHeader>
            <TableBody>
              {dashboard.ultimosEnvios.map((briefing) => (
                <TableRow key={briefing.id}>
                  <TableCell>
                    <Link className="font-medium text-primary hover:underline" href={`/admin/briefings/${briefing.id}`}>
                      {briefing.titulo}
                    </Link>
                  </TableCell>
                  <TableCell>{briefing.cliente.nomeCompleto}</TableCell>
                  <TableCell><Badge variant="muted">{briefing.status}</Badge></TableCell>
                  <TableCell>{briefing.enviadoEm?.toLocaleString("pt-BR")}</TableCell>
                </TableRow>
              ))}
            </TableBody>
          </Table>
        </CardContent>
      </Card>
    </main>
  );
}