import csv
import subprocess
import matplotlib.pyplot as plt
import os
import random    
import matplotlib.font_manager as fm



# Create a list to store the names of the video files
video_files = []

# Parse the data
with open('fra.txt') as f:
    data = list(csv.reader(f, delimiter='\t'))

for i in range(200):
    # Select a random row
    row = random.choice(data)
    english, other_lang, attribution = row

    # Generate audio for English and French
    #-v <voice name>
	#   Use voice file of this name from espeak-ng-data/voices
    #-w <wave file name>
	#Write speech to this WAV file, rather than speaking it directly

    subprocess.run(['espeak-ng', '-v', 'en',  '-s', '120', '-w', 'english.wav', english])
    subprocess.run(['espeak-ng', '-v', 'fr-fr', '-s', '70', '-w', 'french.wav', other_lang])



     # Create flash card
# Create flash card
   # figure coordinates
#(0, 0) refers to the bottom-left corner of the figure.
#(1, 1) refers to the top-right corner of the figure.
#(0.5, 0.5) refers to the center of the figure.
    #sudo apt-get install fonts-noto-color-emoji
  #fc-cache -f -v  [update font cache for emoji]

    prop = fm.FontProperties(fname='/usr/share/fonts/truetype/noto/NotoColorEmoji.ttf')

    fig, ax = plt.subplots(figsize=(5,3))  # Adjusted for better visibility
    ax.text(0, 1, f'[ENG] {english}', fontsize=12,  color='white', wrap=True)  # Increased font size
    ax.text(0, 0.5, f'[FR] {other_lang}', fontsize=12, color='yellow', wrap=True)  # Increased font size
    ax.text(0, 0.1, f' {attribution}', fontsize=12, color='green', wrap=True)  # Increased font size

    ax.axis('off')  # Remove axes
    fig.patch.set_facecolor('black')  # Set background to black
    #ax.axis('tight')  # Remove padding
    plt.savefig('flash_card.png',  pad_inches=0, facecolor=fig.get_facecolor())


    # Combine audio 
    subprocess.run(['ffmpeg', '-i', 'english.wav', '-i', 'french.wav', '-filter_complex', '[0:a][1:a]concat=n=2:v=0:a=1[out]', '-map', '[out]', 'combined.wav'])
    
    #and image
    output_file = f'output{i}.mp4'

    #To create a video that displays the image for the duration of the audio, 
    #you can use the -loop option with ffmpeg. Here’s how you can do it:



    subprocess.run(['ffmpeg', '-loop', '1', '-i', 'flash_card.png', '-i', 'combined.wav', '-shortest', '-c:v', 'libx264', '-tune', 'stillimage', '-c:a', 'aac', '-b:a', '192k', '-pix_fmt', 'yuv420p', '-vf', 'scale=1280:720', output_file])


    print( f'output{i}.mp4')
    # Add the output file to the list
    video_files.append(output_file)

    # Clean up
    os.remove('combined.wav')
    os.remove('english.wav')
    os.remove('french.wav')
    os.remove('flash_card.png')

# Concatenate the videos

# Write the names of the video files to a text file
with open('video_files.txt', 'w') as f:
    for video_file in video_files:
        f.write(f"file '{video_file}'\n")

# Use the text file with ffmpeg
subprocess.run(['ffmpeg', '-f', 'concat', '-safe', '0', '-i', 'video_files.txt', 'final_output.mp4'])

#subprocess.run(['ffmpeg', '-f', 'concat', '-i', ' '.join(video_files), 'final_output.mp4'])

# Clean up
#for file in video_files:
#    os.remove(file)