# Init => Orange
# Ecoute => Violet
# Mute => Rouge
# Reflechi(Ally) => Cligno Rose
# Repond => Bleu
# Erreur cligno rouge

# LED
from driver_led import APA102

# BOUTON
import RPi.GPIO as GPIO
import time
import queue

# AUDIO
import sounddevice as sd
import numpy as np

# STT
import json

# Ally + TTS
import requests, urllib3

# Autres
import signal, sys

# INIT LED
num_leds = 12
led = APA102(num_led=num_leds)

def set_couleur(c):
    couleurs = {
        'R': (255, 0, 0),
        'V': (0, 255, 0),
        'B': (0, 0, 255),
        'J': (255, 255, 0),
        'VI': (128, 0, 128),
        'RO': (255, 105, 180),
        'O': (255, 165, 0)
    }
    rgb = couleurs.get(c.upper(), (0, 0, 0))
    for i in range(num_leds):
        led.set_pixel(i, *rgb)
    led.show()

def eteindre_led():
    set_couleur("")

def cleanup_led():
    led.cleanup()

def animation_balayer():
    rgb = (255, 105, 180)
    for _ in range(2):
        for i in range(num_leds):
            led.set_pixel(i, *rgb)
            led.show()
            time.sleep(0.05)
            led.set_pixel(i, 0, 0, 0)
    led.show()

def cligno_rouge():
    for _ in range(3):
        set_couleur('R'); time.sleep(0.3)
        eteindre_led(); time.sleep(0.3)

def cligno_rose():
    for _ in range(2):
        set_couleur('RO'); time.sleep(0.5)
        eteindre_led(); time.sleep(0.5)

# BOUTON MUTE
BUTTON = 17
GPIO.setmode(GPIO.BCM)
GPIO.setup(BUTTON, GPIO.IN)
etat = {'mute': False}

def toggle_mute(ch):
    etat['mute'] = not etat['mute']
    set_couleur('R' if etat['mute'] else 'O') #Rouge => Muted

GPIO.add_event_detect(BUTTON, GPIO.FALLING, callback=toggle_mute, bouncetime=300)

# Ally API
urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)
url_ally = "https://192.168.1.12:8000/mic"

def ally(text):
    try:
        r = requests.post(url_ally, data={"texto": text}, verify=False)
        if r.status_code == 200:
            return r.json().get("ora", "")
        else:
            print("HTTP Ally error", r.status_code)
            return ""
    except Exception as e:
        print("Ally exception", e)
        return ""

# Piper TTS
def Init():
    import vosk
    model = vosk.Model("vosk-model/vosk-model-small-fr-0.22")
    rec = vosk.KaldiRecognizer(model, 16000)
    audio_q = queue.Queue()
    stream = sd.RawInputStream(samplerate=16000, blocksize=8000,device=None, dtype='int16', channels=1,callback=audio_callback)
    from piper.voice import PiperVoice
    voice = PiperVoice.load("/data/piper_model/fr_FR-siwis-low.onnx")
    sd_stream = sd.OutputStream(samplerate=voice.config.sample_rate, channels=1, dtype='int16')
    return rec, audio_q, stream, sd_stream, voice

def piper_talk(text):
    for chunk in voice.synthesize_stream_raw(text):
        sd_stream.write(np.frombuffer(chunk, dtype=np.int16))

# STT : Vosk via sounddevice


def audio_callback(indata, frames, time_info, status):
    if status:
        print(status)
    audio_q.put(bytes(indata))


# Cleanup
def handle_exit(sig, frame):
    eteindre_led()
    cleanup_led()
    GPIO.cleanup()
    stream.stop()
    sd_stream.stop()
    sys.exit(0)

signal.signal(signal.SIGINT, handle_exit)
signal.signal(signal.SIGTERM, handle_exit)

# MAIN LOOP
try:
    print("Init…")
    set_couleur('O')
    rec, audio_q, stream, sd_stream, voice = Init()
    time.sleep(0.5)
    sd_stream.start()
    stream.start()

    while True:
        if etat['mute']:
            time.sleep(0.05)
            continue

        set_couleur('VI')  #Violet = écoute
        data = audio_q.get()

        if rec.AcceptWaveform(data):
            txt = json.loads(rec.Result()).get("text", "")
            if txt:
                print("Q>", txt)
                cligno_rose()  # Rose = réfléchit
                resp = ally(txt)
                print("R>", resp)
                if resp:
                    animation_balayer()
                    set_couleur('B') # Bleu = Répond
                    piper_talk(resp)
                else:
                    cligno_rouge()
                time.sleep(0.3)

except KeyboardInterrupt:
    handle_exit(None, None)