import { useState } from "react"
import { useNavigate } from "react-router-dom"
import { cn } from "@/lib/utils"
import { Button } from "@/components/ui/button"
import { Input } from "@/components/ui/input"
import { Label } from "@/components/ui/label"
import { register } from "@/api/auth"
import { useGoogleLogin } from '@react-oauth/google'
import { googleAuth } from "@/api/auth"

export function RegisterForm({
  className,
  ...props
}: React.ComponentProps<"form">) {
  const [email, setEmail] = useState("")
  const [password, setPassword] = useState("")
  const [name, setName] = useState("")
  const [loading, setLoading] = useState(false)
  const [error, setError] = useState("")
  const navigate = useNavigate()

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

    try {
      const response = await register({ email, password, name })

      // Stocker le token si votre API en renvoie un
      if (response.token) {
        localStorage.setItem("token", response.token)
      }

      // Rediriger vers la page d'accueil après connexion réussie
      navigate("/auth/login")
    } catch (err) {
      setError(err instanceof Error ? err.message : "Une erreur est survenue")
    } finally {
      setLoading(false)
    }
  }

  const handleGoogleLogin = useGoogleLogin({
    onSuccess: async (tokenResponse) => {
      setLoading(true);
      setError("");

      try {
        const response = await googleAuth(tokenResponse.access_token);

        if (response.token) {
          localStorage.setItem("token", response.token);
        }

        navigate("/recipes");
      } catch (err) {
        setError(err instanceof Error ? err.message : "Une erreur est survenue");
      } finally {
        setLoading(false);
      }
    },
    onError: (errorResponse) => {
      setError("Échec de l'authentification Google");
    }
  });

  return (
    <form className={cn("flex flex-col gap-6", className)} {...props} onSubmit={handleSubmit}>
      <div className="flex flex-col items-center gap-2 text-center">
        <h1 className="text-2xl font-bold">Créer un compte</h1>
        <p className="text-muted-foreground text-sm text-balance">
          Entrez votre email ci-dessous pour créer un compte
        </p>
      </div>
      {error && (
        <div className="p-3 text-sm text-red-500 bg-red-50 rounded-md dark:bg-red-950/50">
          {error}
        </div>
      )}
      <div className="grid gap-6">
        <div className="grid gap-3">
          <Label htmlFor="email">Email</Label>
          <Input
            id="email"
            type="email"
            placeholder="m@example.com"
            value={email}
            onChange={(e) => setEmail(e.target.value)}
            required
          />
        </div>
        <div className="grid gap-3">
          <Label htmlFor="name">Nom</Label>
          <Input
            id="name"
            type="text"
            placeholder="Votre nom"
            value={name}
            onChange={(e) => setName(e.target.value)}
            required
          />
        </div>
        <div className="grid gap-3">
          <div className="flex items-center">
            <Label htmlFor="password">Password</Label>
            <a
              href="#"
              className="ml-auto text-sm underline-offset-4 hover:underline"
            >
              Mot de passe oublié ?
            </a>
          </div>
          <Input
            id="password"
            type="password"
            value={password}
            onChange={(e) => setPassword(e.target.value)}
            required
          />
        </div>
        <Button type="submit" className="w-full" disabled={loading}>
          {loading ? "Création en cours..." : "Créer un compte"}
        </Button>
        <div className="after:border-border relative text-center text-sm after:absolute after:inset-0 after:top-1/2 after:z-0 after:flex after:items-center after:border-t">
          <span className="bg-amber-50 text-muted-foreground relative z-10 px-2">
            Ou continuez avec
          </span>
        </div>
        <Button
          type="button"
          variant="outline"
          className="w-full"
          onClick={() => handleGoogleLogin()}
          disabled={loading}
        >
          <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" className="mr-2 h-4 w-4">
            <path
              d="M22.56 12.25c0-.78-.07-1.53-.2-2.25H12v4.26h5.92c-.26 1.37-1.04 2.53-2.21 3.31v2.77h3.57c2.08-1.92 3.28-4.74 3.28-8.09z"
              fill="#4285F4"
            />
            <path
              d="M12 23c2.97 0 5.46-.98 7.28-2.66l-3.57-2.77c-.98.66-2.23 1.06-3.71 1.06-2.86 0-5.29-1.93-6.16-4.53H2.18v2.84C3.99 20.53 7.7 23 12 23z"
              fill="#34A853"
            />
            <path
              d="M5.84 14.09c-.22-.66-.35-1.36-.35-2.09s.13-1.43.35-2.09V7.07H2.18C1.43 8.55 1 10.22 1 12s.43 3.45 1.18 4.93l2.85-2.22.81-.62z"
              fill="#FBBC05"
            />
            <path
              d="M12 5.38c1.62 0 3.06.56 4.21 1.64l3.15-3.15C17.45 2.09 14.97 1 12 1 7.7 1 3.99 3.47 2.18 7.07l3.66 2.84c.87-2.6 3.3-4.53 6.16-4.53z"
              fill="#EA4335"
            />
            <path d="M1 1h22v22H1z" fill="none" />
          </svg>
          Créer un compte avec Google
        </Button>
      </div>
      <div className="text-center text-sm">
        Don&apos;t have an account?{" "}
        <a href="/auth/login" className="underline underline-offset-4">
          Se connecter
        </a>
      </div>
    </form>
  )
}
