"use client";

import { useState } from "react";
import { useRouter } from "next/navigation";
import { useForm } from "react-hook-form";
import { zodResolver } from "@hookform/resolvers/zod";
import { z } from "zod";
import { Loader2, Save } from "lucide-react";
import { toast } from "sonner";
import { Button } from "@/components/ui/button";
import { Input } from "@/components/ui/input";
import {
  Form,
  FormControl,
  FormField,
  FormItem,
  FormLabel,
  FormMessage,
} from "@/components/ui/form";

const formSchema = z.object({
  name: z.string().min(1, "Name is required"),
});

type FormData = z.infer<typeof formSchema>;

interface User {
  id: string;
  name: string;
  email: string;
}

interface ProfileFormProps {
  user: User;
}

export function ProfileForm({ user }: ProfileFormProps) {
  const router = useRouter();
  const [isLoading, setIsLoading] = useState(false);

  const form = useForm<FormData>({
    resolver: zodResolver(formSchema),
    defaultValues: {
      name: user.name || "",
    },
  });

  async function onSubmit(data: FormData) {
    setIsLoading(true);
    try {
      const response = await fetch("/api/settings/profile", {
        method: "PATCH",
        headers: { "Content-Type": "application/json" },
        body: JSON.stringify(data),
      });

      if (!response.ok) {
        const result = await response.json();
        throw new Error(result.error || "Failed to update profile");
      }

      toast.success("Profile updated successfully");
      router.refresh();
    } catch (error) {
      toast.error(error instanceof Error ? error.message : "An error occurred");
    } finally {
      setIsLoading(false);
    }
  }

  return (
    <Form {...form}>
      <form onSubmit={form.handleSubmit(onSubmit)} className="space-y-6">
        <div className="space-y-2">
          <label className="text-sm font-medium">Email</label>
          <Input value={user.email} disabled className="bg-muted" />
          <p className="text-xs text-muted-foreground">
            Email cannot be changed
          </p>
        </div>

        <FormField
          control={form.control}
          name="name"
          render={({ field }) => (
            <FormItem>
              <FormLabel>Name</FormLabel>
              <FormControl>
                <Input placeholder="Your name" {...field} disabled={isLoading} />
              </FormControl>
              <FormMessage />
            </FormItem>
          )}
        />

        <Button type="submit" disabled={isLoading}>
          {isLoading ? (
            <>
              <Loader2 className="mr-2 h-4 w-4 animate-spin" />
              Saving...
            </>
          ) : (
            <>
              <Save className="mr-2 h-4 w-4" />
              Save Changes
            </>
          )}
        </Button>
      </form>
    </Form>
  );
}