import { useEffect, useState, useCallback } from "react";
import { Artist, Album, Track, Tab } from "../types";
import { api } from "@/lib/api";
import { useAuth } from "@/lib/auth-context";

export type LibraryFilter = "owned" | "discovery" | "all";

interface UseLibraryDataProps {
    activeTab: Tab;
    filter?: LibraryFilter;
}

export function useLibraryData({
    activeTab,
    filter = "owned",
}: UseLibraryDataProps) {
    const [artists, setArtists] = useState<Artist[]>([]);
    const [albums, setAlbums] = useState<Album[]>([]);
    const [tracks, setTracks] = useState<Track[]>([]);
    const [isLoading, setIsLoading] = useState(false);
    const { isAuthenticated } = useAuth();

    const loadData = useCallback(async () => {
        if (!isAuthenticated) return;

        setIsLoading(true);
        try {
            if (activeTab === "artists") {
                const { artists } = await api.getArtists({
                    limit: 500,
                    filter,
                });
                setArtists(artists);
            } else if (activeTab === "albums") {
                const { albums } = await api.getAlbums({ limit: 500, filter });
                setAlbums(albums);
            } else if (activeTab === "tracks") {
                // Tracks filter could be added later if needed
                const { tracks } = await api.getTracks({ limit: 500 });
                setTracks(tracks);
            }
        } catch (error) {
            console.error("Failed to load library data:", error);
        } finally {
            setIsLoading(false);
        }
    }, [activeTab, filter, isAuthenticated]);

    useEffect(() => {
        loadData();
    }, [loadData]);

    const reloadData = () => {
        loadData();
    };

    return {
        artists,
        albums,
        tracks,
        isLoading,
        reloadData,
    };
}