import cv2
import os, shutil


def ExtractFrames(videoPath):
    directory = "data/output"
    if os.path.exists(directory):
        shutil.rmtree(directory)
    # Path to the video file
    video_path = videoPath

    # Directory to save the frames
    output_dir = 'data/output/extracted-frames'
    os.makedirs(output_dir, exist_ok=True)

    # Open the video file
    video_capture = cv2.VideoCapture(video_path)

    # Check if the video was opened successfully
    if not video_capture.isOpened():
        print(f"Error: Could not open video file {video_path}")
    else:
        print(f"Successfully opened video file {video_path}")

    # Frame index
    frame_index = 0

    while True:
        # Read the next frame from the video
        success, frame = video_capture.read()

        # If there are no more frames, break the loop
        if not success:
            print("No more frames to read or an error occurred.")
            break

        # Construct the filename for the frame
        frame_filename = os.path.join(output_dir, f'frame_{frame_index:04d}.png')

        # Save the current frame as an image file
        cv2.imwrite(frame_filename, frame)

        # Print the saved frame information
        print(f'Saved {frame_filename}')

        # Increment the frame index
        frame_index += 1

    # Release the video capture object
    video_capture.release()
    return output_dir

    print('All frames extracted.')