import ffmpeg
import numpy as np
#import praatio
#import praatio.praat_scripts
import os
#from os.path import join

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

def load_audio(file, sr, DoFormant, Quefrency, Timbre):
    try:
        # 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(" ")
        )
        with open('formanting.txt', 'r') as fvf:
            content = fvf.readlines()
            if 'True' in content[0].split('\n')[0]:
                #print("true")
                DoFormant = True
                Quefrency, Timbre = content[1].split('\n')[0], content[2].split('\n')[0]
                
            else:
                #print("not true")
                DoFormant = False
            
        if 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))
            print("formanting...")
            
            os.system('stftpitchshift -i "%s" -q %s -t %s -o "%sFORMANTED"' % (file, 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'))
        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}")

    return np.frombuffer(out, np.float32).flatten()