/home/smartbloks/.trash/extendify/src/Assist/state/Recommendations.js
import { create } from 'zustand'
import { persist, createJSONStorage } from 'zustand/middleware'
import { getRecommendationData, saveRecommendationData } from '../api/Data'

const key = 'extendify-assist-recommendations'
const startingState = {
    viewedRecommendations: [],
    // Optimistically update from local storage - see storage.setItem below
    ...(JSON.parse(localStorage.getItem(key) || '{}')?.state ?? {}),
}

const state = (set) => ({
    ...startingState,
    track(slug) {
        const lastViewedAt = new Date().toISOString()
        const firstViewedAt = lastViewedAt
        set(({ viewedRecommendations }) => {
            const viewed = viewedRecommendations.find((a) => a.slug === slug)
            return {
                viewedRecommendations: [
                    // Remove if it's already in the list
                    ...viewedRecommendations.filter((a) => a.slug !== slug),
                    // Either add it or update the count
                    viewed
                        ? { ...viewed, count: viewed.count + 1, lastViewedAt }
                        : { slug, firstViewedAt, lastViewedAt, count: 1 },
                ],
            }
        })
    },
})

const storage = {
    getItem: async () => JSON.stringify(await getRecommendationData()),
    setItem: async (k, value) => {
        // Stash here so we can use it on reload optimistically
        localStorage.setItem(k, value)
        await saveRecommendationData(value)
    },
    removeItem: () => undefined,
}

export const useRecommendationsStore = create(
    persist(state, {
        name: key,
        storage: createJSONStorage(() => storage),
    }),
    state,
)