import os

def list_files_tree(directory, indent=""):
    items = os.listdir(directory)
    for i, item in enumerate(items):
        prefix = "└── " if i == len(items) - 1 else "├── "
        print(indent + prefix + item)
        item_path = os.path.join(directory, item)
        if os.path.isdir(item_path):
            next_indent = indent + ("    " if i == len(items) - 1 else "│   ")
            list_files_tree(item_path, next_indent)

from huggingface_hub import snapshot_download
print("Models...")
models_id = """None1145/GPT-SoVITS-Lappland-the-Decadenza
None1145/GPT-SoVITS-Theresa
None1145/GPT-SoVITS-Vulpisfoglia
None1145/GPT-SoVITS-Theresa-Recording"""
for model_id in models_id.split("\n"):
    if model_id in ["", " "]:
        break
    print(f"{model_id}...")
    snapshot_download(repo_id=model_id, local_dir=f"./Models/{model_id}")
    print(f"{model_id}!!!")
print("Models!!!")
print("PretrainedModels...")
model_id = "None1145/GPT-SoVITS-Base"
snapshot_download(repo_id=model_id, local_dir=f"./PretrainedModels/{model_id}")
print("PretrainedModels!!!")
list_files_tree("./")
cnhubert_base_path = f"./PretrainedModels/{model_id}/chinese-hubert-base"
bert_path = f"./PretrainedModels/{model_id}/chinese-roberta-wwm-ext-large"

import gradio as gr
from transformers import AutoModelForMaskedLM, AutoTokenizer
import sys, torch, numpy as np
from pathlib import Path
from pydub import AudioSegment
import librosa, math, traceback, requests, argparse, torch, multiprocessing, pandas as pd, torch.multiprocessing as mp, soundfile
from random import shuffle
from AR.utils import get_newest_ckpt
from glob import glob
from tqdm import tqdm
from feature_extractor import cnhubert
cnhubert.cnhubert_base_path=cnhubert_base_path
from io import BytesIO
from module.models import SynthesizerTrn
from AR.models.t2s_lightning_module import Text2SemanticLightningModule
from AR.utils.io import load_yaml_config
from text import cleaned_text_to_sequence
from text.cleaner import text_to_sequence, clean_text
from time import time as ttime
from module.mel_processing import spectrogram_torch
from my_utils import load_audio
import re

import logging
logging.getLogger('httpx').setLevel(logging.WARNING)
logging.getLogger('httpcore').setLevel(logging.WARNING)
logging.getLogger('multipart').setLevel(logging.WARNING)

device = "cpu"
is_half = False
tokenizer = AutoTokenizer.from_pretrained(bert_path)
bert_model=AutoModelForMaskedLM.from_pretrained(bert_path)
if(is_half==True):bert_model=bert_model.half().to(device)
else:bert_model=bert_model.to(device)
def get_bert_feature(text, word2ph):
    with torch.no_grad():
        inputs = tokenizer(text, return_tensors="pt")
        for i in inputs:
            inputs[i] = inputs[i].to(device)
        res = bert_model(**inputs, output_hidden_states=True)
        res = torch.cat(res["hidden_states"][-3:-2], -1)[0].cpu()[1:-1]
    assert len(word2ph) == len(text)
    phone_level_feature = []
    for i in range(len(word2ph)):
        repeat_feature = res[i].repeat(word2ph[i], 1)
        phone_level_feature.append(repeat_feature)
    phone_level_feature = torch.cat(phone_level_feature, dim=0)
    return phone_level_feature.T

def load_model(sovits_path, gpt_path):
    n_semantic = 1024
    dict_s2 = torch.load(sovits_path, map_location="cpu")
    hps = dict_s2["config"]

    class DictToAttrRecursive:
        def __init__(self, input_dict):
            for key, value in input_dict.items():
                if isinstance(value, dict):
                    setattr(self, key, DictToAttrRecursive(value))
                else:
                    setattr(self, key, value)

    hps = DictToAttrRecursive(hps)
    hps.model.semantic_frame_rate = "25hz"
    dict_s1 = torch.load(gpt_path, map_location="cpu")
    config = dict_s1["config"]
    ssl_model = cnhubert.get_model()
    if (is_half == True):
        ssl_model = ssl_model.half().to(device)
    else:
        ssl_model = ssl_model.to(device)

    vq_model = SynthesizerTrn(
        hps.data.filter_length // 2 + 1,
        hps.train.segment_size // hps.data.hop_length,
        n_speakers=hps.data.n_speakers,
        **hps.model)
    if (is_half == True):
        vq_model = vq_model.half().to(device)
    else:
        vq_model = vq_model.to(device)
    vq_model.eval()
    vq_model.load_state_dict(dict_s2["weight"], strict=False)
    hz = 50
    max_sec = config['data']['max_sec']
    t2s_model = Text2SemanticLightningModule(config, "ojbk", is_train=False)
    t2s_model.load_state_dict(dict_s1["weight"])
    if (is_half == True): t2s_model = t2s_model.half()
    t2s_model = t2s_model.to(device)
    t2s_model.eval()
    total = sum([param.nelement() for param in t2s_model.parameters()])
    print("Number of parameter: %.2fM" % (total / 1e6))
    return vq_model, ssl_model, t2s_model, hps, config, hz, max_sec


def get_spepc(hps, filename):
    audio=load_audio(filename,int(hps.data.sampling_rate))
    audio=torch.FloatTensor(audio)
    audio_norm = audio
    audio_norm = audio_norm.unsqueeze(0)
    spec = spectrogram_torch(audio_norm, hps.data.filter_length,hps.data.sampling_rate, hps.data.hop_length, hps.data.win_length,center=False)
    return spec


def create_tts_fn(vq_model, ssl_model, t2s_model, hps, config, hz, max_sec):
    def tts_fn(ref_wav_path, prompt_text, prompt_language, text, text_language):
        t0 = ttime()
        prompt_text=prompt_text.strip("\n")
        prompt_language,text=prompt_language,text.strip("\n")
        print(text)
        # if len(text) > 50:
        #     return f"Error: Text is too long, ({len(text)}>50)", None
        with torch.no_grad():
            wav16k, sr = librosa.load(ref_wav_path, sr=16000)
            wav16k = torch.from_numpy(wav16k)
            if(is_half==True):wav16k=wav16k.half().to(device)
            else:wav16k=wav16k.to(device)
            ssl_content = ssl_model.model(wav16k.unsqueeze(0))["last_hidden_state"].transpose(1, 2)
            codes = vq_model.extract_latent(ssl_content)
            prompt_semantic = codes[0, 0]
        t1 = ttime()
        phones1, word2ph1, norm_text1 = clean_text(prompt_text, prompt_language)
        phones1=cleaned_text_to_sequence(phones1)
        texts=text.split("\n")
        audio_opt = []
        zero_wav=np.zeros(int(hps.data.sampling_rate*0.3),dtype=np.float16 if is_half==True else np.float32)
        for text in texts:
            phones2, word2ph2, norm_text2 = clean_text(text, text_language)
            phones2 = cleaned_text_to_sequence(phones2)
            if(prompt_language=="zh"):bert1 = get_bert_feature(norm_text1, word2ph1).to(device)
            else:bert1 = torch.zeros((1024, len(phones1)),dtype=torch.float16 if is_half==True else torch.float32).to(device)
            if(text_language=="zh"):bert2 = get_bert_feature(norm_text2, word2ph2).to(device)
            else:bert2 = torch.zeros((1024, len(phones2))).to(bert1)
            bert = torch.cat([bert1, bert2], 1)

            all_phoneme_ids = torch.LongTensor(phones1+phones2).to(device).unsqueeze(0)
            bert = bert.to(device).unsqueeze(0)
            all_phoneme_len = torch.tensor([all_phoneme_ids.shape[-1]]).to(device)
            prompt = prompt_semantic.unsqueeze(0).to(device)
            t2 = ttime()
            with torch.no_grad():
                pred_semantic,idx = t2s_model.model.infer_panel(
                    all_phoneme_ids,
                    all_phoneme_len,
                    prompt,
                    bert,
                    top_k=config['inference']['top_k'],
                    early_stop_num=hz * max_sec)
            t3 = ttime()
            pred_semantic = pred_semantic[:,-idx:].unsqueeze(0)
            refer = get_spepc(hps, ref_wav_path)#.to(device)
            if(is_half==True):refer=refer.half().to(device)
            else:refer=refer.to(device)
            audio = vq_model.decode(pred_semantic, torch.LongTensor(phones2).to(device).unsqueeze(0), refer).detach().cpu().numpy()[0, 0]
            audio_opt.append(audio)
            audio_opt.append(zero_wav)
            t4 = ttime()
        print("%.3f\t%.3f\t%.3f\t%.3f" % (t1 - t0, t2 - t1, t3 - t2, t4 - t3))
        return "Success", (hps.data.sampling_rate,(np.concatenate(audio_opt,0)*32768).astype(np.int16))
    return tts_fn


splits={"，","。","？","！",",",".","?","!","~",":","：","—","…",}
def split(todo_text):
    todo_text = todo_text.replace("……", "。").replace("——", "，")
    if (todo_text[-1] not in splits): todo_text += "。"
    i_split_head = i_split_tail = 0
    len_text = len(todo_text)
    todo_texts = []
    while (1):
        if (i_split_head >= len_text): break
        if (todo_text[i_split_head] in splits):
            i_split_head += 1
            todo_texts.append(todo_text[i_split_tail:i_split_head])
            i_split_tail = i_split_head
        else:
            i_split_head += 1
    return todo_texts


def change_reference_audio(prompt_text, transcripts):
    return transcripts[prompt_text]

def get_audio_duration(path):
    audio = AudioSegment.from_wav(path)
    return len(audio) / 1000
def select_audio_file(wav_paths):
    import random
    eligible_files = [path for path in wav_paths if 2 <= get_audio_duration(path) <= 5]
    if eligible_files:
        selected_file = random.choice(eligible_files)
    else:
        selected_file = random.choice(wav_paths)
    return selected_file

models = []
models_info = {}
models_folder_path = "./Models/None1145"
folder_names = [name for name in os.listdir(models_folder_path) if os.path.isdir(os.path.join(models_folder_path, name))]
for folder_name in folder_names:
    speaker = folder_name[11:]
    models_info[speaker] = {}
    models_info[speaker]["title"] = speaker
    pattern = re.compile(r"s(\d+)\.pth$")
    max_value = -1
    max_file = None
    sovits_path = f"{models_folder_path}/{folder_name}/SoVITS_weights"
    for filename in os.listdir(sovits_path):
        match = pattern.search(filename)
        if match:
            value = int(match.group(1))
            if value > max_value:
                max_value = value
                max_file = filename
    models_info[speaker]["sovits_weight"] = f"{sovits_path}/{max_file}"
    pattern = re.compile(r"e(\d+)\.ckpt$")
    max_value = -1
    max_file = None
    gpt_path = f"{models_folder_path}/{folder_name}/GPT_weights"
    for filename in os.listdir(gpt_path):
        match = pattern.search(filename)
        if match:
            value = int(match.group(1))
            if value > max_value:
                max_value = value
                max_file = filename
    models_info[speaker]["gpt_weight"] = f"{gpt_path}/{max_file}"
    data_path = f"{models_folder_path}/{folder_name}/Data"
    models_info[speaker]["transcript"] = {}
    wavs = []
    tmp = {}
    with open(f"{data_path}/{speaker}.list", "r", encoding="utf-8") as f:
        for line in f.read().split("\n"):
            try:
                wav = f"{models_folder_path}/{folder_name}/Data/{line.split('|')[0].split('/')[1]}"
            except:
                break
            text = line.split("|")[3]
            print(wav, text)
            wavs.append(wav)
            tmp[wav] = text
            models_info[speaker]["transcript"][text] = wav
        models_info[speaker]["example_reference"] = tmp[select_audio_file(wavs)]
    print(models_info)
for speaker in models_info:
    speaker_info = models_info[speaker]
    title = speaker_info["title"]
    sovits_weight = speaker_info["sovits_weight"]
    gpt_weight = speaker_info["gpt_weight"]
    model_id = "None1145/GPT-SoVITS-Base"
    vq_model, ssl_model, t2s_model, hps, config, hz, max_sec = load_model(sovits_weight, gpt_weight)
    # vq_model, ssl_model, t2s_model, hps, config, hz, max_sec = load_model(sovits_weight, f"./PretrainedModels/{model_id}/GPT.ckpt")
    models.append(
        (
            speaker,
            title,
            speaker_info["transcript"],
            speaker_info["example_reference"],
            create_tts_fn(
                vq_model, ssl_model, t2s_model, hps, config, hz, max_sec
            )
        )
    )
print(models)

with gr.Blocks() as app:
    with gr.Tabs():
        for (name, title, transcript, example_reference, tts_fn) in models:
            with gr.TabItem(name):
                with gr.Row():
                    gr.Markdown(
                        '<div align="center">'
                        f'<a><strong>{title}</strong></a>'
                        '</div>')
                with gr.Row():
                    with gr.Column():
                        with gr.Column():
                            prompt_text = gr.Dropdown(
                                label="Transcript of the Reference Audio",
                                value=example_reference,
                                choices=list(transcript.keys())
                            )
                            prompt_language = gr.Dropdown(
                                label="Language of the Reference Audio",
                                value="zh",
                                choices=["zh", "ja", "en"]
                            )
                        inp_ref_audio = gr.Audio(
                            label="Reference Audio",
                            type="filepath",
                            interactive=False,
                            value=transcript[example_reference]
                        )
                        transcripts_state = gr.State(value=transcript)
                        prompt_text.change(
                            fn=change_reference_audio,
                            inputs=[prompt_text, transcripts_state],
                            outputs=[inp_ref_audio]
                        )
                        # prompt_language = gr.State(value="zh")
                    with gr.Column():
                        if prompt_language.value == "zh":
                            initial_text = "你好"
                        elif prompt_language.value == "ja":
                            initial_text = "こんにちは"
                        elif prompt_language.value == "en":
                            initial_text = "Hello"
                        else:
                            initial_text = "你好"
                        text = gr.Textbox(label="Input Text", value=initial_text)
                        text_language = gr.Dropdown(
                            label="Language",
                            choices=["zh", "en", "ja"],
                            value="zh"
                        )
                        inference_button = gr.Button("Generate", variant="primary")
                        om = gr.Textbox(label="Output Message")
                        output = gr.Audio(label="Output Audio")
                        inference_button.click(
                            fn=tts_fn,
                            inputs=[inp_ref_audio, prompt_text, prompt_language, text, text_language],
                            outputs=[om, output]
                        )

app.queue().launch()