local mini_version = ""
local versio_req = {1,5,0}
local parts = {}

function reqs_init()
    local version=sys.version()
    print(version)
    for part in string.gmatch(version, "[^.]+") do
        table.insert(parts, tonumber(part))
    end
    print(parts[1].." "..versio_req[1])
    print(parts[2].." "..versio_req[2])
    print(parts[3].." "..versio_req[3])
    states:next()
end

function reqs_draw()
-- print("LOGO DRAW "..logo_step)
    -- Seleccionar font i destí
    -- surf.source(logo_sf)
    surf.target(0)
    -- Netejar destí
    surf.cls(16)
    
    draw.text("Es requerix mini "..table.concat(versio_req, "."),20,20,2)
end

function reqs_end()
-- print("LOGO_END")
    -- game_update = intro_init
    states:executar("logo")
    -- surf.free(logo_sf)
end

function reqs_update()
    if parts[1]>versio_req[1] then
        states:next()
    elseif parts[2]>versio_req[2] then
        states:next()
    elseif parts[3]>=versio_req[3] then
        states:next()
    else
        reqs_draw()
    end
    
    if controller:check("ESC") or controller:check("shoot") then
        sys.quit()
    end    
end

states:registrar("check-reqs",{reqs_init, reqs_update, reqs_end})