local args = { ... }

local tape = peripheral.find("tape_drive")
if not tape then
    print("tape where")
    return
end

if not http then
    print("no http, check config")
    return
end

tape.stop()
tape.seek(-tape.getSize())
tape.stop()

local req = http.get(args[1], {}, true)
if not req then
    print("oopsie")
    return
end

local headers = req.getResponseHeaders()
local length = headers["content-length"]

local function n_to_kib(value)
    return string.format("%6.1f kiB", value / 1024)
end

local written = 1
local _, y = term.getCursorPos()
while true do
    local chunk = req.read()
    if not chunk then
        print("EOF")
        break
    end
    tape.write(chunk)
    written = written + 1
    if (written % 8192) == 0 then
        os.sleep(0.01)
        term.setCursorPos(1, y)
        term.write(n_to_kib(written) .. " / " .. n_to_kib(length) .. string.format(" %7.3f%%", 100 * written / length))
    end
end

tape.stop()
tape.seek(-tape.getSize())
tape.stop()