feat: add conditional signup values

components/HotelReservation/EnterDetails/Details/schema.ts

@@ -2,18 +2,49 @@ import { z } from "zod"
 
 import { phoneValidator } from "@/utils/phoneValidator"
 
-export const detailsSchema = z.object({
+export const baseDetailsSchema = z.object({
   countryCode: z.string(),
   email: z.string().email(),
-  firstname: z.string(),
-  lastname: z.string(),
+  firstName: z.string(),
+  lastName: z.string(),
   phoneNumber: phoneValidator(),
 })
 
+export const notJoinDetailsSchema = baseDetailsSchema.merge(
+  z.object({
+    join: z.literal(false),
+    zipCode: z.string().optional(),
+    dateOfBirth: z.string().optional(),
+    termsAccepted: z.boolean().default(false),
+  })
+)
+
+export const joinDetailsSchema = baseDetailsSchema.merge(
+  z.object({
+    join: z.literal(true),
+    zipCode: z.string().min(1, { message: "Zip code is required" }),
+    dateOfBirth: z.string(),
+    termsAccepted: z.literal(true, {
+      errorMap: (err, ctx) => {
+        switch (err.code) {
+          case "invalid_literal":
+            return { message: "You must accept the terms and conditions" }
+        }
+        return { message: ctx.defaultError }
+      },
+    }),
+  })
+)
+
+export const detailsSchema = z.discriminatedUnion("join", [
+  notJoinDetailsSchema,
+  joinDetailsSchema,
+])
+
 export const signedInDetailsSchema = z.object({
   countryCode: z.string().optional(),
   email: z.string().email().optional(),
-  firstname: z.string().optional(),
-  lastname: z.string().optional(),
+  firstName: z.string().optional(),
+  lastName: z.string().optional(),
   phoneNumber: phoneValidator().optional(),
 })