# MystBin ! - signin-form.tsx
"use client";

import { getInputProps, useForm, type FieldMetadata } from "@conform-to/react";
import { getZodConstraint, parseWithZod } from "@conform-to/zod";
import { Label } from "@radix-ui/react-label";
import { signIn } from "~/actions/auth";
import { signInSchema as schema } from "~/schema/auth";
import Form from "next/form";
import { useActionState } from "react";
import { type z } from "zod";
import { CheckboxConform } from "./conform-inputs/checkbox";
import { Button } from "./ui/button";
import { Input } from "./ui/input";

export function SignInForm() {
  const [lastResult, action, isSubmitting] = useActionState(signIn, undefined);
  const [form, fields] = useForm({
    id: "signin",
    lastResult,
    constraint: getZodConstraint(schema),
    shouldValidate: "onBlur",
    onValidate({ formData }) {
      return parseWithZod(formData, { schema });
    },
  });
  return (
    <Form
      className="flex flex-col gap-2"
      id={form.id}
      action={action}
      onSubmit={form.onSubmit}
      noValidate
    >
      <Field
        label="Email"
        placeholder="example@email.com"
        type="email"
        meta={fields.email}
      />

      <Field label="Password" type="password" meta={fields.password} />

      <Label>
        <CheckboxConform
          className="mr-2 align-middle"
          meta={fields.rememberMe}
        />
        <span className="align-middle">Remember me</span>
      </Label>

      <p className="text-sm text-red-500">{form.errors?.join(", ")}</p>

      <Button className="mt-2" type="submit" disabled={isSubmitting}>
        Login
      </Button>
    </Form>
  );
}

function Field({
  meta,
  label,
  placeholder,
  type,
}: {
  meta: FieldMetadata<
    string,
    Omit<z.infer<typeof schema>, "rememberMe">,
    string[]
  >;
  label: string;
  placeholder?: string;
  type: "email" | "password";
}) {
  const { key: _key, ...inputProps } = getInputProps(meta, { type });
  return (
    <div>
      <Label htmlFor={meta.id}>{label}:</Label>
      <Input {...inputProps} placeholder={placeholder} />
      <p className="text-sm text-red-500">{meta.errors?.join(", ")}</p>
    </div>
  );
}




# MystBin ! - actions/auth.ts
"use server";

import { parseWithZod } from "@conform-to/zod";
import { signInSchema } from "~/schema/auth";
import { signInEmail } from "~/server/auth";
import { APIError } from "better-auth/api";

export async function signIn(prevState: unknown, formData: FormData) {
  const submission = parseWithZod(formData, { schema: signInSchema });

  if (submission.status !== "success") {
    return submission.reply();
  }

  try {
    await signInEmail({
      body: {
        ...submission.value,
        callbackURL: "/",
      },
    });
  } catch (error) {
    if (error instanceof APIError) {
      if (error.status === "TOO_MANY_REQUESTS") {
        return submission.reply({
          formErrors: [error.message],
        });
      }
      if (error.status === "FORBIDDEN") {
        return submission.reply({
          formErrors: ["Verify your email before siging in"],
        });
      }
      if (error.status === "UNAUTHORIZED") {
        return submission.reply({
          fieldErrors: {
            email: ["Invalid Credentials"],
            password: ["Invalid Credentials"],
          },
        });
      }
      throw error;
    }
    throw error;
  }
}




# MystBin ! - auth-config.ts
import { env } from "~/env";
import { db } from "~/server/db";
import {
  account,
  rateLimit,
  session,
  user,
  verification,
} from "~/server/db/schema";
import { api } from "~/trpc/server";
import { type BetterAuthOptions } from "better-auth";
import { drizzleAdapter } from "better-auth/adapters/drizzle";
import { nextCookies } from "better-auth/next-js";

export const authConfig = {
  appName: "kapil-jewels",
  baseURL: env.URL,
  advanced: {
    generateId: false,
  },
  database: drizzleAdapter(db, {
    provider: "pg",
    schema: {
      user,
      account,
      session,
      verification,
      rateLimit,
    },
  }),
  emailVerification: {
    expiresIn: 60 * 10,
    sendOnSignUp: true,
    async sendVerificationEmail({ url, user: { email } }) {
      await api.resend.verify({ email, url });
    },
  },
  emailAndPassword: {
    enabled: true,
    autoSignIn: false,
    requireEmailVerification: true,
    resetPasswordTokenExpiresIn: 60 * 10,
    async sendResetPassword(data) {
      await api.resend.resetPassword({ email: data.user.email, url: data.url });
    },
  },
  rateLimit: {
    enabled: true,
    storage: "database",
    window: 60,
    max: 2,
  },
  session: {
    expiresIn: 30 * 24 * 60 * 60,
    updateAge: 15 * 24 * 60 * 60,
    cookieCache: {
      enabled: true,
      maxAge: 60 * 10,
    },
  },
  plugins: [nextCookies()],
} satisfies BetterAuthOptions;