Form/form-patterns-

"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 { Checkbox } from "@/components/ui/checkbox";
import {
  Form,
  FormControl,
  FormDescription,
  FormField,
  FormItem,
  FormLabel,
  FormMessage,
} from "@/components/ui/form";
import { Input } from "@/components/ui/input";

export const title = "Signup Form";

const formSchema = z.object({
  fullName: z.string().min(2, {
    message: "Name must be at least 2 characters.",
  }),
  email: z
    .email({
      error: "Please enter a valid email address.",
    })
    .min(1, {
      error: "Email is required.",
    }),
  password: z
    .string()
    .min(8, {
      message: "Password must be at least 8 characters.",
    })
    .regex(/[A-Z]/, "Password must contain at least one uppercase letter")
    .regex(/[a-z]/, "Password must contain at least one lowercase letter")
    .regex(/[0-9]/, "Password must contain at least one number"),
  terms: z.boolean().refine((val) => val === true, {
    message: "You must accept the terms and conditions.",
  }),
});

const Example = () => {
  const form = useForm<z.infer<typeof formSchema>>({
    resolver: zodResolver(formSchema),
    defaultValues: {
      fullName: "",
      email: "",
      password: "",
      terms: false,
    },
  });

  function onSubmit(values: z.infer<typeof formSchema>) {
    console.log(values);
  }

  return (
    <div className="w-full max-w-sm">
      <Form {...form}>
        <form className="space-y-4" onSubmit={form.handleSubmit(onSubmit)}>
          <div className="space-y-2 text-center">
            <h1 className="text-2xl font-bold">Create an account</h1>
            <p className="text-sm text-muted-foreground">
              Sign up to get started with our platform
            </p>
          </div>
          <FormField
            control={form.control}
            name="fullName"
            render={({ field }) => (
              <FormItem>
                <FormLabel>Full Name</FormLabel>
                <FormControl>
                  <Input
                    className="bg-background"
                    placeholder="John Doe"
                    {...field}
                  />
                </FormControl>
                <FormMessage />
              </FormItem>
            )}
          />
          <FormField
            control={form.control}
            name="email"
            render={({ field }) => (
              <FormItem>
                <FormLabel>Email</FormLabel>
                <FormControl>
                  <Input
                    className="bg-background"
                    placeholder="you@example.com"
                    type="email"
                    {...field}
                  />
                </FormControl>
                <FormMessage />
              </FormItem>
            )}
          />
          <FormField
            control={form.control}
            name="password"
            render={({ field }) => (
              <FormItem>
                <FormLabel>Password</FormLabel>
                <FormControl>
                  <Input
                    className="bg-background"
                    placeholder="Create a strong password"
                    type="password"
                    {...field}
                  />
                </FormControl>
                <FormDescription className="text-xs">
                  Must contain uppercase, lowercase, and number
                </FormDescription>
                <FormMessage />
              </FormItem>
            )}
          />
          <FormField
            control={form.control}
            name="terms"
            render={({ field }) => (
              <FormItem className="flex flex-row items-start space-y-0 space-x-3">
                <FormControl>
                  <Checkbox
                    checked={field.value}
                    onCheckedChange={field.onChange}
                  />
                </FormControl>
                <div className="space-y-1 leading-none">
                  <FormLabel className="text-sm font-normal">
                    I agree to the{" "}
                    <a className="hover:underline" href="#">
                      terms and conditions
                    </a>
                  </FormLabel>
                  <FormMessage />
                </div>
              </FormItem>
            )}
          />
          <Button className="w-full" type="submit">
            Create Account
          </Button>
          <p className="text-center text-sm text-muted-foreground">
            Already have an account?{" "}
            <a className="hover:underline" href="#">
              Sign in
            </a>
          </p>
        </form>
      </Form>
    </div>
  );
};

export default Example;