"use client";

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

import { Button } from "@/components/ui/button";
import {
  Form,
  FormControl,
  FormField,
  FormItem,
  FormLabel,
  FormMessage,
} from "@/components/ui/form";
import { Input } from "@/components/ui/input";
import { toast } from "@/components/ui/use-toast";
import { Card, CardContent, CardHeader, CardTitle } from "./ui/card";
import { Separator } from "./ui/separator";

const profileFormSchema = z.object({
  currentPassword: z.string().trim().min(6, {
    message: "Password must be at least 6 characters.",
  }),
  newPassword: z.string().trim().min(6, {
    message: "Password must be at least 6 characters.",
  }),
  confirmPassword: z.string().trim().min(6, {
    message: "Password must be at least 6 characters.",
  }),
});

type ProfileFormValues = z.infer<typeof profileFormSchema>;

const defaultValues: Partial<ProfileFormValues> = {
  currentPassword: "",
  newPassword: "",
  confirmPassword: "",
};

export default function ChangePasswordForm() {
  const form = useForm<ProfileFormValues>({
    resolver: zodResolver(profileFormSchema),
    defaultValues,
    mode: "onChange",
  });

  function onSubmit(data: ProfileFormValues) {
    if (data.newPassword !== data.confirmPassword) {
      toast({
        variant: "destructive",
        title: "New Password and Confirm Password don't match!",
      });

      return;
    }

    toast({
      title: "You submitted the following values:",
      description: (
        <pre className="mt-2 w-[340px] rounded-md bg-slate-950 p-4">
          <code className="text-white">{JSON.stringify(data, null, 2)}</code>
        </pre>
      ),
    });

    form.reset();
  }

  return (
    <Card className="max-w-[600px] w-full">
      <CardHeader>
        <CardTitle className="mb-4 font-bold text-xl">
          Change Password
        </CardTitle>
        <Separator />
      </CardHeader>

      <CardContent>
        <Form {...form}>
          <form onSubmit={form.handleSubmit(onSubmit)} className="space-y-8">
            <FormField
              control={form.control}
              name="currentPassword"
              render={({ field }) => (
                <FormItem>
                  <FormLabel>Current Password</FormLabel>
                  <FormControl>
                    <Input
                      type="password"
                      placeholder="Enter your current password..."
                      {...field}
                    />
                  </FormControl>
                  <FormMessage />
                </FormItem>
              )}
            />
            <FormField
              control={form.control}
              name="newPassword"
              render={({ field }) => (
                <FormItem>
                  <FormLabel>New Password</FormLabel>
                  <FormControl>
                    <Input
                      type="password"
                      placeholder="Enter your new password..."
                      {...field}
                    />
                  </FormControl>
                  <FormMessage />
                </FormItem>
              )}
            />
            <FormField
              control={form.control}
              name="confirmPassword"
              render={({ field }) => (
                <FormItem>
                  <FormLabel>Confirm New Password</FormLabel>
                  <FormControl>
                    <Input
                      type="password"
                      placeholder="Confirm the new password..."
                      {...field}
                    />
                  </FormControl>
                  <FormMessage />
                </FormItem>
              )}
            />
            <Button type="submit" className="w-full" size="lg">
              Reset Password
            </Button>
          </form>
        </Form>
      </CardContent>
    </Card>
  );
}