playlistfile(path) = joinpath(path, "playlists.jsonl")

function saveplaylists(; file = playlistfile(Beets.confdir()))
    global user_playlists
    open(file, "w") do f
        write(f,
              join(JSON2.write.(user_playlists), "\n"))
    end
end

function loadplaylists(; file = playlistfile(Beets.confdir()))
    global user_playlists
    isfile(file) || touch(file)
    ps = JSON2.readlines(file)
    empty!(user_playlists)
    for p in ps
        try
            pl = JSON2.read(p, Playlist)
            push!(user_playlists, pl)
        catch e
            @warn "Failed to read with error $e"
            isa(e, ArgumentError) && continue
        end
    end
end

function saveusers(file = expanduser("~/.config/beets/users.jsonl"))
    global users
    open(file, "w") do f
        write(f, join(JSON2.write.(users), "\n"))
    end
end

function loadusers(; file = expanduser("~/.config/beets/users.jsonl"))
    global users
    isfile(file) || touch(file)
    ps = JSON2.readlines(file)
    p = JSON2.read.(ps, JlSonic.User)
    empty!(users)
    for pl in p
        push!(users, pl)
    end
end