feat: add libraries and utilities

1 files changed, 72 insertions, 0 deletions

diff --git a/src/lib/validation.ts b/src/lib/validation.ts
new file mode 100644
index 0000000..02983e4
--- /dev/null
+++ b/src/lib/validation.ts
@@ -0,0 +1,72 @@
+import { z } from 'zod'
+
+export const registerSchema = z.object({
+  name: z
+    .string()
+    .trim()
+    .min(2, 'Name must be at least 2 characters')
+    .max(50, 'Name must be at most 50 characters')
+    .regex(/^[a-zA-Z\s'-]+$/, 'Name can only contain letters, spaces, hyphens, and apostrophes'),
+  email: z
+    .string()
+    .trim()
+    .toLowerCase()
+    .email('Invalid email format')
+    .max(254, 'Email must be at most 254 characters'),
+  password: z
+    .string()
+    .min(8, 'Password must be at least 8 characters')
+    .max(128, 'Password must be at most 128 characters')
+    .regex(/^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)[a-zA-Z\d@$!%*?&]{8,}$/, 
+      'Password must contain at least one uppercase letter, one lowercase letter, and one number')
+})
+
+export const loginSchema = z.object({
+  email: z
+    .string()
+    .trim()
+    .toLowerCase()
+    .email('Invalid email format')
+    .max(254, 'Email must be at most 254 characters'),
+  password: z
+    .string()
+    .max(128, 'Password must be at most 128 characters')
+})
+
+// Profile update schema (reusing name and email from registerSchema)
+export const updateProfileSchema = z.object({
+  name: registerSchema.shape.name,
+  email: registerSchema.shape.email,
+})
+
+// Password change schema (reusing password validation from registerSchema)
+export const updatePasswordSchema = z.object({
+  currentPassword: z.string().min(1, 'Current password is required'),
+  newPassword: registerSchema.shape.password,
+})
+
+// Type inference from schemas
+export type RegisterInput = z.infer<typeof registerSchema>
+export type LoginInput = z.infer<typeof loginSchema>
+export type UpdateProfileInput = z.infer<typeof updateProfileSchema>
+export type UpdatePasswordInput = z.infer<typeof updatePasswordSchema>
+
+export const emailSchema = z.object({
+  email: z
+    .string()
+    .trim()
+    .toLowerCase()
+    .email('Invalid email format')
+    .max(254, 'Email must be at most 254 characters')
+})
+
+export function formatZodError(error: z.ZodError) {
+  return error.errors.map(err => ({
+    field: err.path.join('.'),
+    message: err.message
+  }))
+}
+
+export function getFirstErrorMessage(error: z.ZodError): string {
+  return error.errors[0]?.message || 'Validation failed'
+}
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