feat: add auth form validation schemas and password strength utility

lib/auth/validation.ts

@@ -0,0 +1,49 @@
+import { z } from "zod"
+
+export const loginEmailSchema = z.object({
+    email: z.string().email("Please enter a valid email address"),
+})
+
+export const loginSchema = z.object({
+    email: z.string().email("Please enter a valid email address"),
+    password: z.string().min(1, "Password is required"),
+})
+
+export const signupSchema = z.object({
+    name: z
+        .string()
+        .min(1, "Name is required")
+        .max(100, "Name must be 100 characters or less"),
+    email: z.string().email("Please enter a valid email address"),
+    password: z
+        .string()
+        .min(10, "Password must be at least 10 characters"),
+})
+
+export const otpSchema = z.object({
+    otp: z.string().length(6, "OTP must be exactly 6 digits"),
+})
+
+export const forgotPasswordSchema = z.object({
+    email: z.string().email("Please enter a valid email address"),
+})
+
+export const resetPasswordSchema = z
+    .object({
+        otp: z.string().length(6, "OTP must be exactly 6 digits"),
+        newPassword: z
+            .string()
+            .min(10, "Password must be at least 10 characters"),
+        confirmPassword: z.string().min(1, "Please confirm your password"),
+    })
+    .refine((data) => data.newPassword === data.confirmPassword, {
+        message: "Passwords do not match",
+        path: ["confirmPassword"],
+    })
+
+export type LoginEmailInput = z.infer<typeof loginEmailSchema>
+export type LoginInput = z.infer<typeof loginSchema>
+export type SignupInput = z.infer<typeof signupSchema>
+export type OtpInput = z.infer<typeof otpSchema>
+export type ForgotPasswordInput = z.infer<typeof forgotPasswordSchema>
+export type ResetPasswordInput = z.infer<typeof resetPasswordSchema>