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"""
TODO:
    + [x] Load Configuration
    + [ ] Checking
    + [ ] Better saving directory
"""
import numpy as np
from pathlib import Path
import torch.nn as nn
import torch
import torchaudio
from transformers import pipeline
from pathlib import Path

# local import
import sys
from espnet2.bin.tts_inference import Text2Speech
from transformers import AutoTokenizer, AutoFeatureExtractor, AutoModelForCTC# pdb.set_trace()
device = torch.device("cuda:0" if torch.cuda.is_available() else "cpu")

sys.path.append("src")

import gradio as gr

# ASR part

audio_files = [
    str(x)
    for x in sorted(
        Path(
            "/home/kevingeng/Disk2/laronix/laronix_automos/data/20230103_video"
        ).glob("**/*wav")
    )
]
# audio_files = [str(x) for x in sorted(Path("./data/Patient_sil_trim_16k_normed_5_snr_40/Rainbow").glob("**/*wav"))]
# transcriber = pipeline(
#     "automatic-speech-recognition",
#     model="KevinGeng/PAL_John_128_train_dev_test_seed_1",
# )

from transformers import AutoProcessor, AutoModelForSpeechSeq2Seq

processor = AutoProcessor.from_pretrained("openai/whisper-medium")

model = AutoModelForSpeechSeq2Seq.from_pretrained("openai/whisper-medium")

# feature_extractor = AutoFeatureExtractor.from_pretrained("KevinGeng/PAL_John_128_train_dev_test_seed_1")
# representation_model = AutoModelForCTC.from_pretrained("KevinGeng/PAL_John_128_train_dev_test_seed_1")
# tokenizer = AutoTokenizer.from_pretrained("KevinGeng/PAL_John_128_train_dev_test_seed_1")

import pdb
# pdb.set_trace()
transcriber = pipeline("automatic-speech-recognition", model="KevinGeng/PAL_John_128_p326_300_train_dev_test_seed_1")
# 【Female】kan-bayashi ljspeech parallel wavegan
# tts_model = Text2Speech.from_pretrained("espnet/kan-bayashi_ljspeech_vits")
# 【Male】fastspeech2-en-200_speaker-cv4, hifigan vocoder
# pdb.set_trace()

# @title English multi-speaker pretrained model { run: "auto" }
lang = "English"
tag = "kan-bayashi/libritts_xvector_vits"
# vits needs no
vocoder_tag = "parallel_wavegan/vctk_parallel_wavegan.v1.long"  # @param ["none", "parallel_wavegan/vctk_parallel_wavegan.v1.long", "parallel_wavegan/vctk_multi_band_melgan.v2", "parallel_wavegan/vctk_style_melgan.v1", "parallel_wavegan/vctk_hifigan.v1", "parallel_wavegan/libritts_parallel_wavegan.v1.long", "parallel_wavegan/libritts_multi_band_melgan.v2", "parallel_wavegan/libritts_hifigan.v1", "parallel_wavegan/libritts_style_melgan.v1"] {type:"string"}
from espnet2.bin.tts_inference import Text2Speech
from espnet2.utils.types import str_or_none

text2speech = Text2Speech.from_pretrained(
    model_tag=str_or_none(tag),
    vocoder_tag=str_or_none(vocoder_tag),
    device="cuda",
    use_att_constraint=False,
    backward_window=1,
    forward_window=3,
    speed_control_alpha=1.0,
)

import glob
import os
import numpy as np
import kaldiio

# Get model directory path
from espnet_model_zoo.downloader import ModelDownloader

d = ModelDownloader()
model_dir = os.path.dirname(d.download_and_unpack(tag)["train_config"])

# Speaker x-vector selection

xvector_ark = [
    p
    for p in glob.glob(
       f"xvector/test-clean/spk_xvector.ark", recursive=True
    )
    if "test" in p
][0]
xvectors = {k: v for k, v in kaldiio.load_ark(xvector_ark)}
spks = list(xvectors.keys())

# pdb.set_trace()
# All old 20230101
# male_spks = {"Male1": "2300_131720", "Male2": "1320_122612", "Male3": "1188_133604",}
    # "M4": "61_70970",
# female_spks = {"Female1": "2961_961", "Female2": "8463_287645", "Female3": "121_121726"}

# 6 scale from high to low, 
male_spks = {"Male1": "4077_13751", "Male2": "1320_122612", "Male3": "7729_102255",}
female_spks = {"Female1": "5683_32865", "Female2": "121_121726", "Female3": "8463_287645"}
spks = dict(male_spks, **female_spks)
spk_names = sorted(spks.keys())


## 20230224 Mousa: No reference,
def ASRTTS(audio_file, spk_name, ref_text=""):
    spk = spks[spk_name]
    spembs = xvectors[spk]
    if ref_text == "":
        reg_text = transcriber(audio_file)["text"]
    else:
        reg_text = ref_text

    speech, sr = torchaudio.load(
        audio_file, channels_first=True
    )  # Mono channel
    wav_tensor_spembs = text2speech(
        text=reg_text, speech=speech, spembs=spembs
    )["wav"]
    wav_numpy = wav_tensor_spembs.unsqueeze(1).to("cpu")
    sample_rate = 22050
    save_id = (
        "./wav/" + Path(audio_file).stem + "_" + spk_name + "_spkembs.wav"
    )
    torchaudio.save(
        save_id,
        src=wav_tensor_spembs.unsqueeze(0).to("cpu"),
        sample_rate=22050,
    )

    return save_id, reg_text


def ASRTTS_clean(audio_file, spk_name):
    spk = spks[spk_name]
    spembs = xvectors[spk]

    reg_text = transcriber(audio_file)["text"]

    speech, sr = torchaudio.load(
        audio_file, channels_first=True
    )  # Mono channel
    wav_tensor_spembs = text2speech(
        text=reg_text, speech=speech, spembs=spembs
    )["wav"]
    wav_numpy = wav_tensor_spembs.unsqueeze(1).to("cpu")
    sample_rate = 22050
    save_id = (
        "./wav/" + Path(audio_file).stem + "_" + spk_name + "_spkembs.wav"
    )
    torchaudio.save(
        save_id,
        src=wav_tensor_spembs.unsqueeze(0).to("cpu"),
        sample_rate=22050,
    )
    return save_id


reference_textbox = gr.Textbox(
    value="",
    placeholder="Input reference here",
    label="Reference",
)

recognization_textbox = gr.Textbox(
    value="",
    placeholder="Output recognization here",
    label="recognization_textbox",
)

speaker_option = gr.Radio(choices=spk_names, label="Speaker")

input_audio = gr.Audio(
    source="upload", type="filepath", label="Audio_to_Evaluate"
)
output_audio = gr.Audio(
    source="upload", file="filepath", label="Synthesized Audio"
)
examples = [
    ["./samples/001.wav", "M1", ""],
    ["./samples/002.wav", "M2", ""],
    ["./samples/003.wav", "F1", ""],
    ["./samples/004.wav", "F2", ""],
]


def change_audiobox(choice):
    if choice == "upload":
        input_audio = gr.Audio.update(source="upload", visible=True)
    elif choice == "microphone":
        input_audio = gr.Audio.update(source="microphone", visible=True)
    else:
        input_audio = gr.Audio.update(visible=False)
    return input_audio


def show_icon(choice):
    if choice == "Male1":
        spk_icon = gr.Image.update(value="speaker_icons/male1.png", visible=True)
    elif choice == "Male2":
        spk_icon = gr.Image.update(value="speaker_icons/male2.png", visible=True)
    elif choice == "Male3":
        spk_icon = gr.Image.update(value="speaker_icons/male3.png", visible=True)
    elif choice == "Female1":
        spk_icon = gr.Image.update(value="speaker_icons/female1.png", visible=True)
    elif choice == "Female2":
        spk_icon = gr.Image.update(value="speaker_icons/female2.png", visible=True)
    elif choice == "Female3":
        spk_icon = gr.Image.update(value="speaker_icons/female3.png", visible=True)
    return spk_icon

def get_download_file(audio_file=None):
    if audio_file == None:
        output_audio_file = gr.File.update(visible=False)
    else:
        output_audio_file = gr.File.update(visible=True)
    return output_audio_file
        
def download_file(audio_file):
    return gr.File(value=audio_file)
# pdb.set_trace()

# if __name__ == "__main__":
#     file_share_app.run(port=3000)    

with gr.Blocks(
    analytics_enabled=False,
    css=".gradio-container {background-color: #78BD91}",
) as demo:
    with gr.Column(elem_id="Column"):
        input_format = gr.Radio(
            choices=["microphone", "upload"], label="Choose your input format", elem_id="input_format"
        )
        input_audio = gr.Audio(
            source="microphone",
            type="filepath",
            label="Input Audio",
            interactive=True,
            visible=False,
            elem_id="input_audio"
        )
        input_format.change(
            fn=change_audiobox, inputs=input_format, outputs=input_audio
        )

        speaker_option = gr.Radio(choices=spk_names, value="Male1", label="Choose your voice profile")
        spk_icon = gr.Image(value="speaker_icons/male1.png",
                            type="filepath",
                            image_mode="RGB",
                            source="upload",
                            shape=[50, 50],
                            interactive=True,
                            visible=True)
        speaker_option.change(
            fn=show_icon, inputs=speaker_option, outputs=spk_icon
        )

    b2 = gr.Button("Convert")
    
    output_audio = gr.Audio(
        source="upload", file="filepath", label="Converted Audio", interactive=False
    )
    
    b2.click(
        ASRTTS_clean,
        inputs=[input_audio, speaker_option],
        outputs=output_audio,
        api_name="convert"
    )
    
# download_file("wav/001_F1_spkembs.wav")

demo.launch(share=False)