fix: get recommendations

src/constants/index.ts

@@ -1,2 +1,2 @@
 export { scopes } from './scopes'
-export { MAX_RANDOM_FY_ITEMS } from './values'
+export { MAX_RANDOM_FY_ITEMS, MAX_ARTISTS_TO_SHOW_PER_TURN } from './values'

src/constants/values.ts

@@ -1 +1,2 @@
 export const MAX_RANDOM_FY_ITEMS = 20
+export const MAX_ARTISTS_TO_SHOW_PER_TURN = 3

src/pages/api/recommendations.ts

@@ -1,6 +1,8 @@
+import { MAX_ARTISTS_TO_SHOW_PER_TURN } from '../../constants'
 import type { NextApiRequest, NextApiResponse } from 'next'
 
 import { spotifyApi } from 'services'
+import { Rnd } from 'utils'
 
 export default async function handler(
   req: NextApiRequest,
@@ -14,11 +16,24 @@ export default async function handler(
       req.query?.name as string
     )
 
-    const artistCollection = response.body.artists.slice(0, 3)
+    const artists = response.body.artists
+    const sliceEnd = Rnd.getRndNumber({
+      min: MAX_ARTISTS_TO_SHOW_PER_TURN,
+      max: artists.length
+    })
+    const sliceStart = sliceEnd - MAX_ARTISTS_TO_SHOW_PER_TURN
+
+    const artistCollection = response.body.artists.slice(sliceStart, sliceEnd)
+
     const topTrackCollection: any[] = []
     for (const artist of artistCollection) {
       const topTrack = await spotifyApi.getArtistTopTracks(artist.id, 'BR')
-      topTrackCollection.push(topTrack.body.tracks[0])
+      const topTrackSelected = Rnd.getRndNumber({
+        min: 0,
+        max: topTrack.body.tracks.length
+      })
+
+      topTrackCollection.push(topTrack.body.tracks[topTrackSelected])
     }
 
     const result = artistCollection.map((artist, index) => ({