local id = ...
local deflate = dofile("libs/deflate.lua")
local filepath = fs.combine("/persisted-data",id)
local expect = dofile("rom/modules/main/cc/expect.lua")
local expect, field = expect.expect, expect.field
local lib={}
function lib.load()
    if fs.exists(filepath) then
        local file = fs.open(filepath,"r")
        local data = textutils.unserialise(deflate:DecompressDeflate(file.readAll()))
        file.close()
        return data
    else
        return {}
    end
end
function lib.save(data)
    expect(1,data,"table")
    local file = fs.open(filepath,"w")
    file.write(deflate:CompressDeflate(textutils.serialise(data),{level=8}))
end
return lib