feat(SW-718): parse room from searchParams

components/HotelReservation/SelectRate/Rooms/utils.ts

@@ -1,3 +1,4 @@
+import type { RoomParam } from "@/types/components/hotelReservation/selectRate/section"
 import type { RoomConfiguration } from "@/server/routers/hotels/output"
 
 /**
@@ -103,3 +104,54 @@ export function filterDuplicateRoomTypesByLowestPrice(
 
   return Array.from(roomMap.values())
 }
+
+/**
+ * Parse the room params from the search params.
+ */
+
+export function parseRoomParams(searchParams: URLSearchParams): RoomParam[] {
+  const rooms: RoomParam[] = []
+
+  // Collect all param keys and sort them to ensure correct order
+  const paramKeys = Array.from(searchParams.keys()).sort()
+
+  for (const key of paramKeys) {
+    const roomRegex = /^room\[(\d+)\]\.(.+)/
+    const roomMatch = roomRegex.exec(key)
+    if (!roomMatch) continue
+
+    const [, roomIndex, param] = roomMatch
+    const value = searchParams.get(key)
+    if (!value) continue
+
+    // Initialize room if it doesn't exist
+    if (!rooms[Number(roomIndex)]) rooms[Number(roomIndex)] = { adults: 1 }
+
+    // Handle adults
+    if (param === "adults") {
+      rooms[Number(roomIndex)].adults = Number(value)
+      continue
+    }
+
+    // Handle children
+    const childRegex = /child\[(\d+)\]\.(.+)/
+    const childMatch = childRegex.exec(param)
+
+    if (childMatch) {
+      const [, childIndex, childParam] = childMatch
+      const room = rooms[Number(roomIndex)]
+      if (!room.children) room.children = []
+
+      // Set child properties
+      if (childParam === "age" && room.children) {
+        room.children[Number(childIndex)] = {
+          age: Number(value),
+          bed: Number(value),
+        }
+      } else if (childParam === "bed" && room.children?.[Number(childIndex)])
+        room.children[Number(childIndex)].bed = Number(value)
+    }
+  }
+
+  return rooms
+}