# coding=utf-8

import base64
import io
import os
import re

import gradio as gr
import librosa
import numpy as np
import spaces
import torch
import torchaudio
from funasr import AutoModel

model = "FunAudioLLM/SenseVoiceSmall"
model = AutoModel(
    model=model,
    vad_model="iic/speech_fsmn_vad_zh-cn-16k-common-pytorch",
    vad_kwargs={"max_single_segment_time": 30000},
    hub="hf",
    device="cuda",
)

import re

emo_dict = {
    "<|HAPPY|>": "😊",
    "<|SAD|>": "😔",
    "<|ANGRY|>": "😡",
    "<|NEUTRAL|>": "",
    "<|FEARFUL|>": "😰",
    "<|DISGUSTED|>": "🤢",
    "<|SURPRISED|>": "😮",
}

event_dict = {
    "<|BGM|>": "🎼",
    "<|Speech|>": "",
    "<|Applause|>": "👏",
    "<|Laughter|>": "😀",
    "<|Cry|>": "😭",
    "<|Sneeze|>": "🤧",
    "<|Breath|>": "",
    "<|Cough|>": "🤧",
}

emoji_dict = {
    "<|nospeech|><|Event_UNK|>": "❓",
    "<|zh|>": "",
    "<|en|>": "",
    "<|yue|>": "",
    "<|ja|>": "",
    "<|ko|>": "",
    "<|nospeech|>": "",
    "<|HAPPY|>": "😊",
    "<|SAD|>": "😔",
    "<|ANGRY|>": "😡",
    "<|NEUTRAL|>": "",
    "<|BGM|>": "🎼",
    "<|Speech|>": "",
    "<|Applause|>": "👏",
    "<|Laughter|>": "😀",
    "<|FEARFUL|>": "😰",
    "<|DISGUSTED|>": "🤢",
    "<|SURPRISED|>": "😮",
    "<|Cry|>": "😭",
    "<|EMO_UNKNOWN|>": "",
    "<|Sneeze|>": "🤧",
    "<|Breath|>": "",
    "<|Cough|>": "😷",
    "<|Sing|>": "",
    "<|Speech_Noise|>": "",
    "<|withitn|>": "",
    "<|woitn|>": "",
    "<|GBG|>": "",
    "<|Event_UNK|>": "",
}

lang_dict = {
    "<|zh|>": "<|lang|>",
    "<|en|>": "<|lang|>",
    "<|yue|>": "<|lang|>",
    "<|ja|>": "<|lang|>",
    "<|ko|>": "<|lang|>",
    "<|nospeech|>": "<|lang|>",
}

emo_set = {"😊", "😔", "😡", "😰", "🤢", "😮"}
event_set = {"🎼", "👏", "😀", "😭", "🤧", "😷"}


def format_str(s):
    for sptk in emoji_dict:
        s = s.replace(sptk, emoji_dict[sptk])
    return s


def format_str_v2(s):
    sptk_dict = {}
    for sptk in emoji_dict:
        sptk_dict[sptk] = s.count(sptk)
        s = s.replace(sptk, "")
    emo = "<|NEUTRAL|>"
    for e in emo_dict:
        if sptk_dict[e] > sptk_dict[emo]:
            emo = e
    for e in event_dict:
        if sptk_dict[e] > 0:
            s = event_dict[e] + s
    s = s + emo_dict[emo]

    for emoji in emo_set.union(event_set):
        s = s.replace(" " + emoji, emoji)
        s = s.replace(emoji + " ", emoji)
    return s.strip()


def format_str_v3(s):
    def get_emo(s):
        return s[-1] if s[-1] in emo_set else None

    def get_event(s):
        return s[0] if s[0] in event_set else None

    s = s.replace("<|nospeech|><|Event_UNK|>", "❓")
    for lang in lang_dict:
        s = s.replace(lang, "<|lang|>")
    s_list = [format_str_v2(s_i).strip(" ") for s_i in s.split("<|lang|>")]
    new_s = " " + s_list[0]
    cur_ent_event = get_event(new_s)
    for i in range(1, len(s_list)):
        if len(s_list[i]) == 0:
            continue
        if get_event(s_list[i]) == cur_ent_event and get_event(s_list[i]) != None:
            s_list[i] = s_list[i][1:]
        # else:
        cur_ent_event = get_event(s_list[i])
        if get_emo(s_list[i]) != None and get_emo(s_list[i]) == get_emo(new_s):
            new_s = new_s[:-1]
        new_s += s_list[i].strip().lstrip()
    new_s = new_s.replace("The.", " ")
    return new_s.strip()


@spaces.GPU
def model_inference(input_wav, language, fs=16000):
    # task_abbr = {"Speech Recognition": "ASR", "Rich Text Transcription": ("ASR", "AED", "SER")}
    language_abbr = {
        "auto": "auto",
        "zh": "zh",
        "en": "en",
        "yue": "yue",
        "ja": "ja",
        "ko": "ko",
        "nospeech": "nospeech",
    }

    # task = "Speech Recognition" if task is None else task
    language = "auto" if len(language) < 1 else language
    selected_language = language_abbr[language]
    # selected_task = task_abbr.get(task)

    # print(f"input_wav: {type(input_wav)}, {input_wav[1].shape}, {input_wav}")

    if isinstance(input_wav, tuple):
        fs, input_wav = input_wav
        input_wav = input_wav.astype(np.float32) / np.iinfo(np.int16).max
        if len(input_wav.shape) > 1:
            input_wav = input_wav.mean(-1)
        if fs != 16000:
            print(f"audio_fs: {fs}")
            resampler = torchaudio.transforms.Resample(fs, 16000)
            input_wav_t = torch.from_numpy(input_wav).to(torch.float32)
            input_wav = resampler(input_wav_t[None, :])[0, :].numpy()

    merge_vad = True  # False if selected_task == "ASR" else True
    print(f"language: {language}, merge_vad: {merge_vad}")
    text = model.generate(
        input=input_wav,
        cache={},
        language=language,
        use_itn=True,
        batch_size_s=500,
        merge_vad=merge_vad,
    )

    print(text)
    text = text[0]["text"]
    text = format_str_v3(text)

    print(text)

    return text


audio_examples = [
    ["example/zh.mp3", "zh"],
    ["example/yue.mp3", "yue"],
    ["example/en.mp3", "en"],
    ["example/ja.mp3", "ja"],
    ["example/ko.mp3", "ko"],
    ["example/emo_1.wav", "auto"],
    ["example/emo_2.wav", "auto"],
    ["example/emo_3.wav", "auto"],
    ["example/rich_1.wav", "auto"],
    ["example/rich_2.wav", "auto"],
    ["example/longwav_1.wav", "auto"],
    ["example/longwav_2.wav", "auto"],
    ["example/longwav_3.wav", "auto"],
]


def launch():
    with gr.Blocks(theme=gr.themes.Soft()) as demo:
        with gr.Row():
            with gr.Column():
                audio_inputs = gr.Audio(label="Upload audio or use the microphone")

                with gr.Accordion("Configuration"):
                    language_inputs = gr.Dropdown(
                        choices=["auto", "zh", "en", "yue", "ja", "ko", "nospeech"],
                        value="auto",
                        label="Language",
                    )
                fn_button = gr.Button("Start", variant="primary")
                text_outputs = gr.Textbox(label="Results")
            gr.Examples(
                examples=audio_examples,
                inputs=[audio_inputs, language_inputs],
                examples_per_page=20,
            )

        fn_button.click(
            model_inference,
            inputs=[audio_inputs, language_inputs],
            outputs=text_outputs,
        )

    demo.launch()


if __name__ == "__main__":
    # iface.launch()
    launch()