"use client";

import { zodResolver } from "@hookform/resolvers/zod";
import { useForm } from "react-hook-form";
import { z } from "zod";
import { ModeToggle } from "@/components/ThemeSwitch";

import { Button } from "@/components/ui/button";
import {
  Form,
  FormControl,
  FormField,
  FormItem,
  FormLabel,
  FormMessage,
} from "@/components/ui/form";

import { Input } from "@/components/ui/input";
import { Separator } from "@/components/ui/separator";
import { Save, RotateCcw } from "lucide-react";
import { useState } from "react";
import { toast } from "sonner";

const formSchema = z.object({
  backgroundImage: z.string().url("Please provide a valid URL"),
  description: z.string().optional(),
});

export default function Settings() {
  const [submitting, setSubmitting] = useState(false);
  const form = useForm<z.infer<typeof formSchema>>({
    resolver: zodResolver(formSchema),
    defaultValues: {
      backgroundImage: "",
    },
  });

  function onSubmit(values: z.infer<typeof formSchema>) {
    setSubmitting(true);

    document.body.style.backgroundImage = `url(${values.backgroundImage})`;
    document.body.style.backgroundSize = "cover";
    document.body.style.backgroundPosition = "center";

    setTimeout(() => {
      setSubmitting(false);
      toast.success("Settings saved");
    }, 1000);
  }

  function onReset() {
    form.reset();
    document.body.style.backgroundImage = "";
    toast("Settings reset");
  }

  return (
    <div className="space-y-4">
      <h1 className="text-4xl font-semibold">Appearance</h1>
      <Separator />
      <Form {...form}>
        <form
          onSubmit={form.handleSubmit(onSubmit)}
          className="w-1/2 space-y-4"
        >
          <FormField
            control={form.control}
            name="backgroundImage"
            render={({ field }) => (
              <FormItem>
                <FormLabel>Background Image</FormLabel>
                <FormControl>
                  <Input placeholder="Background Image URL" {...field} />
                </FormControl>
                <FormMessage />
              </FormItem>
            )}
          />

          {}
          <div className="flex space-x-4">
            <Button type="submit" disabled={submitting}>
              <Save className="mr-2 h-5 w-5" /> Save Changes
            </Button>
            <Button type="button" onClick={onReset}>
              <RotateCcw className="mr-2 h-5 w-5" /> Reset
            </Button>
          </div>
        </form>
      </Form>
      <ModeToggle />
    </div>
  );
}