import {useImageManager} from "~/composables/data/useImageManager";
import type {AsyncData, FetchResult} from "#app";
import {v4 as uuid4} from "uuid";
import type {Ref} from "@vue/reactivity";

interface useImageFetchReturnType {
    fetch: (id: Ref<number | null>, defaultImage?: string | null, height?: number, width?: number) => AsyncData<string | ArrayBuffer | null, Error | null>
}

/**
 * Sert d'intermédiaire entre les composants et l'ImageManager en fournissant une méthode useAsyncData toute prête.
 */
export const useImageFetch = (): useImageFetchReturnType => {
    const { imageManager } = useImageManager()

    const fetch = (
        id: Ref<number | null>,  // If id is null, fetch shall return the default image url
        defaultImage: string | null = null,
        height: number = 0,
        width: number = 0
    ) => useAsyncData(
        'img' + (id ?? defaultImage ?? 0) + '_' + uuid4(),
        () => imageManager.get(id.value, defaultImage, height, width),
        { lazy: true, server: false },  // Always fetch images client-side

    )

    return { fetch }
}