import subprocess
import re
import os

def generate_audio(text, lang, filename, speed):
    subprocess.run(['espeak-ng', '-v', lang, '-s', str(speed), '-w', filename, "\""+text+"\""])

def combine_audio(files, output):
    inputs = []
    for file in files:
        inputs.extend(['-i', file])
    filter_complex = ''.join([f'[{i}:a]' for i in range(len(files))]) + f'concat=n={len(files)}:v=0:a=1[out]'
    subprocess.run(['ffmpeg', *inputs, '-filter_complex', filter_complex, '-map', '[out]', output])

def process_text(k, text):
    print(f'processing {k}')
    parts = re.split(r'(\[hi\].*?\[/hi\])', text.replace('*',''))
    audio_files = []
    for i, part in enumerate(parts):
        if part.startswith('[hi]') and part.endswith('[/hi]'):
            other_text = part[4:-5]
            filename = f'other{i}.wav'
            generate_audio(other_text, 'ar', filename, 90)
        else:
            filename = f'english{i}.wav'
            generate_audio(part, 'en', filename, 140)
        audio_files.append(filename)
    num_file=f'explain_{k+1}.wav'
    print(num_file)
    combine_audio(audio_files, num_file )
    
    # Delete temporary audio files
    for file in audio_files:
        os.remove(file)



for i in range(0,1500):
    try:
        file_to_open = f'content_{i+1}.txt'
        print(file_to_open)
        with open(file_to_open, 'r') as file:
          content = file.read()
        content = content.replace('*', '')
        process_text(i, content)
        #time.sleep(4)
    except:
        print('remove me')