MP3 to DFPWM web request

local url = "https://remote.craftos-pc.cc/music/upload"

-- mp3 name request
print("Please enter the name of your mp3")
local filePath = read()
if not filePath:lower():match("%.mp3$") then
    filePath = filePath .. ".mp3"
end


-- Open the file in binary mode
local file = fs.open(filePath, "rb")
if not file then
    print("Failed to open file: " .. filePath)
    return
end

local fileData = file.readAll()
file.close()

-- Perform HTTP POST request
local response = http.post(url, fileData, {
    ["Content-Type"] = "application/octet-stream",
    ["Content-Length"] = tostring(#fileData)
})

-- Handle response
if response then
    result = response.readAll()
    response.close()
else
    print("Upload failed.")
end

input = "https://remote.craftos-pc.cc/music/content/" .. result .. ".wav"

local clock = os.clock
function sleep(n)
    local t0 = clock()
    while clock() - t0 <= n do end
end


local dfpwm = require("cc.audio.dfpwm")
local speaker = peripheral.find("speaker")

local response = http.get(input)
if not response then
    print("Failed to download audio from URL.")
    return
end

local decoder = dfpwm.make_decoder()

while true do
    local chunk = response.read(16 * 1024)
    if not chunk then break end

    local buffer = decoder(chunk)
    while not speaker.playAudio(buffer) do
        os.pullEvent("speaker_audio_empty")
    end
end

response.close()