import ffmpeg
import numpy as np

# import praatio
# import praatio.praat_scripts
import os

import sqlite3



# praatEXE = join('.',os.path.abspath(os.getcwd()) + r"\Praat.exe")


def load_audio(file, sr, DoFormant, Quefrency, Timbre):
    try:
        conn = sqlite3.connect('TEMP/db:cachedb?mode=memory&cache=shared', check_same_thread=False)
        cursor = conn.cursor()
        # https://github.com/openai/whisper/blob/main/whisper/audio.py#L26
        # This launches a subprocess to decode audio while down-mixing and resampling as necessary.
        # Requires the ffmpeg CLI and `ffmpeg-python` package to be installed.
        file = (
            file.strip(" ").strip('"').strip("\n").strip('"').strip(" ")
        )  # 防止小白拷路径头尾带了空格和"和回车
        file_formanted = file.strip(" ").strip('"').strip("\n").strip('"').strip(" ")
        cursor.execute("SELECT Quefrency, Timbre, DoFormant FROM formant_data")
        Quefrency, Timbre, DoFormant = cursor.fetchone()
        print(f"dofor={bool(DoFormant)} timbr={Timbre} quef={Quefrency}\n")
        if bool(DoFormant):
            # os.system(f"stftpitchshift -i {file} -q {Quefrency} -t {Timbre} -o {file_formanted}")
            # print('stftpitchshift -i "%s" -p 1.0 --rms -w 128 -v 8 -q %s -t %s -o "%s"' % (file, Quefrency, Timbre, file_formanted))
            
            if not file.endswith(".wav"):
                converting = (
                    ffmpeg.input(file, threads = 0)
                    .output(f"{file_formanted}.wav")
                    .run(
                        cmd=["ffmpeg", "-nostdin"], capture_stdout=True, capture_stderr=True
                    )
                )
            print("formanting...")
            os.system(
                'runtime\Scripts\stftpitchshift.exe -i "%s" -q %s -t %s -o "%sFORMANTED"'
                % (file_formanted, Quefrency, Timbre, file_formanted)
            )
            print("formanted!")
            # filepraat = (os.path.abspath(os.getcwd()) + '\\' + file).replace('/','\\')
            # file_formantedpraat = ('"' + os.path.abspath(os.getcwd()) + '/' + 'formanted'.join(file_formanted) + '"').replace('/','\\')
            
            out, _ = (
                ffmpeg.input("%sFORMANTED%s" % (file_formanted, ".wav"), threads=0)
                .output("-", format="f32le", acodec="pcm_f32le", ac=1, ar=sr)
                .run(
                    cmd=["ffmpeg", "-nostdin"], capture_stdout=True, capture_stderr=True
                )
            )

            os.remove("%sFORMANTED%s" % (file_formanted, ".wav"))
            os.remove(f"{file_formanted}.wav")
            
        else:
            out, _ = (
                ffmpeg.input(file, threads=0)
                .output("-", format="f32le", acodec="pcm_f32le", ac=1, ar=sr)
                .run(
                    cmd=["ffmpeg", "-nostdin"], capture_stdout=True, capture_stderr=True
                )
            )
    except Exception as e:
        raise RuntimeError(f"Failed to load audio: {e}")
    
    conn.close()
    return np.frombuffer(out, np.float32).flatten()