import datetime
import json
import os
import queue
import random
import struct
import subprocess
import sys
import time
from ctypes import POINTER, cast

import openai
from openai import OpenAI
import simpleaudio as sa
import vosk
import yaml
from comtypes import CLSCTX_ALL
from fuzzywuzzy import fuzz
from pvrecorder import PvRecorder
from pycaw.pycaw import (
    AudioUtilities,
    IAudioEndpointVolume
)
from rich import print

import config
import tts

# some consts
CDIR = os.getcwd()
VA_CMD_LIST = yaml.safe_load(
    open('commands.yaml', 'rt', encoding='utf8'),
)

# ChatGPT vars
system_message = {"role": "system", "content": "Ты голосовой ассистент из железного человека."}
message_log = [system_message]

client = OpenAI(api_key=config.GROQ_TOKEN, base_url=config.GROQ_BASE_URL)

model = vosk.Model("model_small")
samplerate = 16000
device = config.MICROPHONE_INDEX

# wake-word phase uses a grammar-constrained recognizer so only WAKE_WORDS
# (plus [unk] filler) can match — command phase needs full vocab, hence two.
wake_grammar = json.dumps(list(config.WAKE_WORDS) + ["[unk]"], ensure_ascii=False)
wake_rec = vosk.KaldiRecognizer(model, samplerate, wake_grammar)
kaldi_rec = vosk.KaldiRecognizer(model, samplerate)
q = queue.Queue()


def gpt_answer():
    global message_log

    try:
        response = client.chat.completions.create(
            model=config.GROQ_MODEL,
            messages=message_log,
            max_tokens=256,
            temperature=0.7,
            top_p=1,
            stop=None,
        )
    except openai.BadRequestError as ex:
        code = getattr(ex, "code", None) or ""
        message = str(ex)
        if code == "context_length_exceeded" or "context_length_exceeded" in message:
            message_log = [system_message, message_log[-1]]
            return gpt_answer()
        return "Запрос отклонён моделью."
    except openai.RateLimitError:
        return "Лимит запросов исчерпан."
    except openai.APIConnectionError:
        return "Не могу связаться с сервером."
    except openai.APIError:
        return "Groq токен не рабочий."

    return response.choices[0].message.content


# play(f'{CDIR}\\sound\\ok{random.choice([1, 2, 3, 4])}.wav')
def play(phrase, wait_done=True):
    global recorder
    filename = f"{CDIR}\\sound\\"

    if phrase == "greet":  # for py 3.8
        filename += f"greet{random.choice([1, 2, 3])}.wav"
    elif phrase == "ok":
        filename += f"ok{random.choice([1, 2, 3])}.wav"
    elif phrase == "not_found":
        filename += "not_found.wav"
    elif phrase == "thanks":
        filename += "thanks.wav"
    elif phrase == "run":
        filename += "run.wav"
    elif phrase == "stupid":
        filename += "stupid.wav"
    elif phrase == "ready":
        filename += "ready.wav"
    elif phrase == "off":
        filename += "off.wav"

    if wait_done:
        recorder.stop()

    wave_obj = sa.WaveObject.from_wave_file(filename)
    play_obj = wave_obj.play()

    if wait_done:
        play_obj.wait_done()
        # time.sleep((len(wave_obj.audio_data) / wave_obj.sample_rate) + 0.5)
        # print("END")
        # time.sleep(0.5)
        recorder.start()


def q_callback(indata, frames, time, status):
    if status:
        print(status, file=sys.stderr)
    q.put(bytes(indata))


def va_respond(voice: str):
    global recorder, message_log, first_request
    print(f"Распознано: {voice}")

    cmd = recognize_cmd(filter_cmd(voice))

    print(cmd)

    if len(cmd['cmd'].strip()) <= 0:
        return False
    elif cmd['percent'] < 70 or cmd['cmd'] not in VA_CMD_LIST.keys():
        # play("not_found")
        # tts.va_speak("Что?")
        if fuzz.ratio(voice.join(voice.split()[:1]).strip(), "скажи") > 75:

            message_log.append({"role": "user", "content": voice})
            response = gpt_answer()
            message_log.append({"role": "assistant", "content": response})

            recorder.stop()
            tts.va_speak(response)
            time.sleep(0.5)
            recorder.start()
            return False
        else:
            play("not_found")
            time.sleep(1)

        return False
    else:
        execute_cmd(cmd['cmd'], voice)
        return True


def filter_cmd(raw_voice: str):
    cmd = raw_voice

    for x in config.VA_ALIAS:
        cmd = cmd.replace(x, "").strip()

    for x in config.VA_TBR:
        cmd = cmd.replace(x, "").strip()

    return cmd


def recognize_cmd(cmd: str):
    rc = {'cmd': '', 'percent': 0}
    for c, v in VA_CMD_LIST.items():

        for x in v:
            vrt = fuzz.ratio(cmd, x)
            if vrt > rc['percent']:
                rc['cmd'] = c
                rc['percent'] = vrt

    return rc


def execute_cmd(cmd: str, voice: str):
    if cmd == 'open_browser':
        subprocess.Popen([f'{CDIR}\\custom-commands\\Run browser.exe'])
        play("ok")

    elif cmd == 'open_youtube':
        subprocess.Popen([f'{CDIR}\\custom-commands\\Run youtube.exe'])
        play("ok")

    elif cmd == 'open_google':
        subprocess.Popen([f'{CDIR}\\custom-commands\\Run google.exe'])
        play("ok")

    elif cmd == 'music':
        subprocess.Popen([f'{CDIR}\\custom-commands\\Run music.exe'])
        play("ok")

    elif cmd == 'music_off':
        subprocess.Popen([f'{CDIR}\\custom-commands\\Stop music.exe'])
        time.sleep(0.2)
        play("ok")

    elif cmd == 'music_save':
        subprocess.Popen([f'{CDIR}\\custom-commands\\Save music.exe'])
        time.sleep(0.2)
        play("ok")

    elif cmd == 'music_next':
        subprocess.Popen([f'{CDIR}\\custom-commands\\Next music.exe'])
        time.sleep(0.2)
        play("ok")

    elif cmd == 'music_prev':
        subprocess.Popen([f'{CDIR}\\custom-commands\\Prev music.exe'])
        time.sleep(0.2)
        play("ok")

    elif cmd == 'sound_off':
        play("ok", True)

        devices = AudioUtilities.GetSpeakers()
        interface = devices.Activate(IAudioEndpointVolume._iid_, CLSCTX_ALL, None)
        volume = cast(interface, POINTER(IAudioEndpointVolume))
        volume.SetMute(1, None)

    elif cmd == 'sound_on':
        devices = AudioUtilities.GetSpeakers()
        interface = devices.Activate(IAudioEndpointVolume._iid_, CLSCTX_ALL, None)
        volume = cast(interface, POINTER(IAudioEndpointVolume))
        volume.SetMute(0, None)

        play("ok")

    elif cmd == 'thanks':
        play("thanks")

    elif cmd == 'stupid':
        play("stupid")

    elif cmd == 'gaming_mode_on':
        play("ok")
        subprocess.check_call([f'{CDIR}\\custom-commands\\Switch to gaming mode.exe'])
        play("ready")

    elif cmd == 'gaming_mode_off':
        play("ok")
        subprocess.check_call([f'{CDIR}\\custom-commands\\Switch back to workspace.exe'])
        play("ready")

    elif cmd == 'switch_to_headphones':
        play("ok")
        subprocess.check_call([f'{CDIR}\\custom-commands\\Switch to headphones.exe'])
        time.sleep(0.5)
        play("ready")

    elif cmd == 'switch_to_dynamics':
        play("ok")
        subprocess.check_call([f'{CDIR}\\custom-commands\\Switch to dynamics.exe'])
        time.sleep(0.5)
        play("ready")

    elif cmd == 'off':
        play("off", True)
        exit(0)


recorder = PvRecorder(device_index=config.MICROPHONE_INDEX, frame_length=512)
recorder.start()
print('Using device: %s' % recorder.selected_device)

print(f"Jarvis (v{config.VA_VER}) начал свою работу ...")
play("run")
time.sleep(0.5)


def heard_wake_word(text: str) -> bool:
    if not text:
        return False
    lowered = text.lower()
    return any(w in lowered for w in config.WAKE_WORDS)


while True:
    try:
        pcm = recorder.read()
        sp = struct.pack("h" * len(pcm), *pcm)

        if not wake_rec.AcceptWaveform(sp):
            continue

        result_text = json.loads(wake_rec.Result()).get("text", "")
        if not heard_wake_word(result_text):
            continue

        play("greet", True)
        print("Yes, sir.")
        # reset the command recognizer so stale audio doesn't bleed into it
        kaldi_rec.Reset()
        ltc = time.time()

        while time.time() - ltc <= 10:
            pcm = recorder.read()
            sp = struct.pack("h" * len(pcm), *pcm)

            if kaldi_rec.AcceptWaveform(sp):
                if va_respond(json.loads(kaldi_rec.Result())["text"]):
                    ltc = time.time()

                break

        wake_rec.Reset()

    except Exception as err:
        print(f"Unexpected {err=}, {type(err)=}")
        raise