-- client.lua
-- Receives TTS text and plays on all connected speakers

local modemSide = "top"
local decoder = require("cc.audio.dfpwm").make_decoder()

rednet.open(modemSide)

-- Get all connected speakers correctly
local speakers = {}
for _, side in ipairs(peripheral.getNames()) do
    if peripheral.getType(side) == "speaker" then
        table.insert(speakers, peripheral.wrap(side))
    end
end

if #speakers == 0 then
    error("No speakers found!")
end

print("Found " .. #speakers .. " speaker(s). Waiting for TTS text...")

while true do
    local senderID, message = rednet.receive()

    if type(message) == "table" and message.type == "tts" then
        print("Received TTS text: " .. message.text)

        local url = "https://music.madefor.cc/tts?text=" .. textutils.urlEncode(message.text)
        local response, err = http.get { url = url, binary = true }
        if not response then
            print("Failed to fetch TTS: " .. err)
        else
            while true do
                local chunk = response.read(16 * 1024)
                if not chunk then break end

                local buffer = decoder(chunk)

                -- Play buffer on all speakers
                for _, speaker in ipairs(speakers) do
                    while not speaker.playAudio(buffer) do
                        os.pullEvent("speaker_audio_empty")
                    end
                end
            end
            response.close()
            print("Playback finished on all speakers.")
        end
    end
end