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


#cpulimit -e ffmpeg -l 150
# Clean up
#os.remove('combined.wav')
#os.remove('english.wav')
#os.remove('other.wav')
#os.remove('flash_card.png')

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

# Parse the data
for i in range(607,6000):
	try:
		text_file = f'content_{i+1}.txt'
		audio_file = f'explain_{i+1}.wav'
		content=""
		with open(text_file, 'r') as file:
			content = file.read()
		content = content.replace('[hi]','').replace('[/hi]','').replace('\n','.').replace('*','')
			# 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]

	# Load a font that supports Chinese characters
		#font_path = '/usr/share/fonts/opentype/noto/NotoSansCJK-Regular.ttc'  # Update this path
		#prop = fm.FontProperties(fname=font_path)

		fig, ax = plt.subplots(figsize=(7,5))  # Adjusted for better visibility
		
		#fontproperties=prop,
		ax.text(0, 0, f'{content}', fontsize=13,  color='white',  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())
		print(f'{i}')


		#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', audio_file, '-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('other.wav')
		os.remove('flash_card.png')
	except:
		print('oops')

# 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'])
#ffmpeg -f concat -safe 0 -i video_files.txt final_output.mp4

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