feat(favorites): migrate to backend API

lib/api/favorites.ts

@@ -1,20 +1,55 @@
-import { useFavoriteStore } from "@/store/favorites"
+import type { Favorite } from "@/lib/types"
 
-export function listFavorites() {
-  return useFavoriteStore.getState().favorites
+import { httpJson } from "./http"
+
+type Paginated<T> = {
+  items: T[]
+  meta: {
+    total: number
+    offset: number
+    limit: number
+  }
 }
 
-export function listFavoritesByUser(userId: string) {
-  return useFavoriteStore.getState().favorites.filter((favorite) => favorite.userId === userId)
+export async function listFavorites(): Promise<Favorite[]> {
+  const res = await httpJson<Paginated<Favorite> | Favorite[]>("/api/v1/favorites", {
+    cache: "no-store",
+  })
+  return Array.isArray(res) ? res : res.items
 }
 
-export function isFavorited(userId: string, targetType: "player" | "shop", targetId: string) {
-  return useFavoriteStore
-    .getState()
-    .favorites.some(
-      (favorite) =>
-        favorite.userId === userId &&
-        favorite.targetType === targetType &&
-        favorite.targetId === targetId,
-    )
+export async function isFavorited(
+  userId: string,
+  targetType: "player" | "shop",
+  targetId: string,
+): Promise<boolean> {
+  const searchParams = new URLSearchParams({
+    targetType,
+    targetId,
+  })
+  const res = await httpJson<{ favorited: boolean }>(
+    `/api/v1/users/${encodeURIComponent(userId)}/favorites/check?${searchParams.toString()}`,
+    {
+      cache: "no-store",
+    },
+  )
+  return res.favorited
+}
+
+export async function addFavorite(input: {
+  targetType: "player" | "shop"
+  targetId: string
+}): Promise<Favorite> {
+  return await httpJson<Favorite>("/api/v1/favorites", {
+    method: "POST",
+    json: input,
+    cache: "no-store",
+  })
+}
+
+export async function removeFavorite(favoriteId: string): Promise<void> {
+  await httpJson<unknown>(`/api/v1/favorites/${encodeURIComponent(favoriteId)}`, {
+    method: "DELETE",
+    cache: "no-store",
+  })
 }