import base64
import os.path
import audiosegment_wrapper as AudioSegment
from configparse_wrapper.cpwrap import CFG

FTP_DIR = CFG("shareDir")

def saveAudio(filename, data):
    '''Save a single Audiofile to disk'''

    if os.path.isfile(filename):
        raise ValueError("File: {} already exists.".format(filename))

    with open(filename,"wb") as f:
        f.write(data)

    if False:
        seg = AudioSegment.from_file(orig_filename)
        seg = seg.resample(sample_rate_Hz=32000, sample_width=2, channels=1)
        seg.export("{}.wav".format(filename), format="wav")
    
def saveAudioChain(filename, dataArray):
    '''Combine multiple received audio files into one and save it'''

    completeAudio = None
    for index, data in enumerate(dataArray):
        tmpFile = "{}.{}.tmp".format(filename, index)
        with open(filename, "wb") as f:
            f.write(data)
        if not completeAudio:
            completeAudio = AudioSegment.from_file(tmpFile)
        else:
            completeAudio += AudioSegment.from_file(tmpFile)

    completeAudio = completeAudio.resample(sample_rate_Hz=32000, sample_width=2, channels=1)
    completeAudio.export("{}.wav".format(filename), format="wav")

def saveTranscript(filename, transcript):
    with open("{}_transcript.txt".format(filename), "w") as f:
        f.write(transcript)

def get_transcript(filename):
    with open("{}_transcript.txt".format(filename), "r") as f:
        return f.read()