"use client";
import { useState } from "react";
import { useRouter } from "next/navigation";
import Link from "next/link";
import { useAuth } from "@/hooks/useAuth";
import { Button } from "@/components/ui/button";
import { Input } from "@/components/ui/input";
import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
import { Alert, AlertDescription } from "@/components/ui/alert";
import { AuthenticationError } from "@/lib/auth";

export default function LoginAdminPage() {
  const [credentials, setCredentials] = useState({ email: "", password: "" });
  const [error, setError] = useState("");
  const [loading, setLoading] = useState(false);
  const router = useRouter();
  const { login } = useAuth();

  const handleLogin = async (e: React.FormEvent) => {
    e.preventDefault();
    setLoading(true);
    setError("");

    try {
      // Tentar fazer login usando o contexto com tipo administrador
      const success = await login(
        credentials.email,
        credentials.password,
        "administrador",
      );

      if (success) {
        console.log("[LOGIN-ADMIN] Login bem-sucedido, redirecionando...");

        // Redirecionamento direto - solução que funcionou
        window.location.href = "/dashboard";
      }
    } catch (error_) {
      console.error("[LOGIN-ADMIN] Erro no login:", error_);

      if (error_ instanceof AuthenticationError) {
        setError(error_.message);
      } else {
        setError("Erro inesperado. Tente novamente.");
      }
    } finally {
      setLoading(false);
    }
  };

  return (
    <div className="min-h-screen flex items-center justify-center bg-background py-12 px-4 sm:px-6 lg:px-8">
      <div className="max-w-md w-full space-y-8">
        <div className="text-center">
          <h2 className="mt-6 text-3xl font-extrabold text-foreground">
            Login Administrador de Clínica
          </h2>
          <p className="mt-2 text-sm text-muted-foreground">
            Entre com suas credenciais para acessar o sistema administrativo
          </p>
        </div>

        <Card>
          <CardHeader>
            <CardTitle className="text-center">Acesso Administrativo</CardTitle>
          </CardHeader>
          <CardContent>
            <form onSubmit={handleLogin} className="space-y-6">
              <div>
                <label
                  htmlFor="email"
                  className="block text-sm font-medium text-foreground"
                >
                  Email
                </label>
                <Input
                  id="email"
                  type="email"
                  placeholder="Digite seu email"
                  value={credentials.email}
                  onChange={(e) =>
                    setCredentials({ ...credentials, email: e.target.value })
                  }
                  required
                  className="mt-1"
                  disabled={loading}
                />
              </div>

              <div>
                <label
                  htmlFor="password"
                  className="block text-sm font-medium text-foreground"
                >
                  Senha
                </label>
                <Input
                  id="password"
                  type="password"
                  placeholder="Digite sua senha"
                  value={credentials.password}
                  onChange={(e) =>
                    setCredentials({ ...credentials, password: e.target.value })
                  }
                  required
                  className="mt-1"
                  disabled={loading}
                />
              </div>

              {error && (
                <Alert variant="destructive">
                  <AlertDescription>{error}</AlertDescription>
                </Alert>
              )}

              <Button
                type="submit"
                className="w-full cursor-pointer"
                disabled={loading}
              >
                {loading ? "Entrando..." : "Entrar no Sistema Administrativo"}
              </Button>
            </form>

            <div className="mt-4 text-center">
              <Button
                variant="outline"
                asChild
                className="w-full hover:!bg-primary hover:!text-white hover:!border-primary transition-all duration-200"
              >
                <Link href="/">Voltar ao Início</Link>
              </Button>
            </div>
          </CardContent>
        </Card>
      </div>
    </div>
  );
}