Tinker's calculator installer

local function downloadFile(url, filename)
    local response = http.get(url)
    if response then
        local file = fs.open("tinkers/"..filename, "w")
        file.write(response.readAll())
        file.close()
        response.close()
        print("Soubor ".. filename .." bol uspesne stiahnuty.")
    else
        print("Nepodarilo se stiahnut soubor z danej URL.")
    end
end


local url = "https://raw.githubusercontent.com/Sparta252/tinkers_calculator/main/tinkers/calc.lua"
downloadFile(url, "calc.lua")
url = "https://raw.githubusercontent.com/Sparta252/tinkers_calculator/main/tinkers/data.lua"
downloadFile(url, "data.lua")

local folder = "tinkers"
if not fs.exists(folder.."/whitelist.lua") then
    local file = fs.open(folder.."/whitelist.lua", "w")
    file.close()
end
if not fs.exists(folder.."/blacklist.lua") then
    local file = fs.open(folder.."/blacklist.lua", "w")
    file.close()
end
if not fs.exists("tinkers/materials") then
    fs.makeDir("tinkers/materials")
end

print("Chete stiahnut aj databazu ? [Y/N]")
local input = read()
if input == "Y" then
    print("Stahujem Databazu")
    sleep(2.5)
    local database = fs.open("tinkers/data.lua", "r")
    while 1 do
        local material = database.readLine()
        if not material then
            break
        end
        url = "https://raw.githubusercontent.com/Sparta252/tinkers_calculator/main/tinkers/materials/"..material
        downloadFile(url, "materials/"..material)

    end
    database.close()
else
    print("Databaza sa nestahuje.")
end

print("hotovo")