feat: keep inventory of bedselections

apps/scandic-web/stores/enter-details/index.ts

@@ -139,7 +139,19 @@ export function createDetailsStore(
     }
   })
 
+  const availableBeds = initialState.rooms.reduce<
+    DetailsState["availableBeds"]
+  >((total, room) => {
+    for (const bed of room.bedTypes) {
+      if (!total[bed.value]) {
+        total[bed.value] = bed.roomsLeft
+      }
+    }
+    return total
+  }, {})
+
   return create<DetailsState>()((set) => ({
+    availableBeds,
     booking: initialState.booking,
     breakfastPackages,
     canProceedToPayment: false,
@@ -179,6 +191,15 @@ export function createDetailsStore(
           updateBedType(bedType) {
             return set(
               produce((state: DetailsState) => {
+                const currentlySelectedBed =
+                  state.rooms[idx].room.bedType?.roomTypeCode
+                if (currentlySelectedBed) {
+                  state.availableBeds[currentlySelectedBed] =
+                    state.availableBeds[currentlySelectedBed] + 1
+                }
+                state.availableBeds[bedType.roomTypeCode] =
+                  state.availableBeds[bedType.roomTypeCode] - 1
+
                 state.rooms[idx].steps[StepEnum.selectBed].isValid = true
                 state.rooms[idx].room.bedType = bedType