import ffmpeg
import os
from processing.utils import generate_name, get_date_text, generate_name_with_file_name
from methods.bulk_methods import edge, sharpen, canny_edge


def images_to_video(
    directory, fps, img_ext, img_name_format, video_name, video_ext, video_dir
):
    images_pattern = os.path.join(directory, f"{img_name_format}.{img_ext}")

    if video_dir:
        video_path = os.path.join(video_dir, f"{video_name}.{video_ext}")
    else:
        video_path = generate_name(
            extension=video_ext, name=video_name, subfolder="videos"
        )

    ffmpeg.input(images_pattern, framerate=fps).output(
        video_path, pix_fmt="yuv420p"
    ).global_args("-y").run()


def video_to_images(video_path, img_ext):
    images_pattern = generate_name(
        extension=img_ext, name=f"%d", subfolder=os.path.join("images", get_date_text())
    )

    ffmpeg.input(video_path).output(images_pattern).run()


def bulk_processing(directory, out_directory, method):
    date = get_date_text()
    if method == "Edge detection":
        run_bulk(edge, directory, out_directory, date)
    elif method == "Canny edge detection":
        run_bulk(canny_edge, directory, out_directory, date)
    elif method == "Sharpen":
        run_bulk(sharpen, directory, out_directory, date)


def run_bulk(func, directory, out_directory, date):
    for file in os.listdir(directory):
        img = func(os.path.join(directory, file))
        if out_directory:
            img_out_path = os.path.join(out_directory, file)
        else:
            img_out_path = generate_name_with_file_name(
                name=file, subfolder=os.path.join("images", date)
            )
        img.save(img_out_path)