import os
import time
from fastvideo import VideoGenerator

OUTPUT_PATH = "video_samples_causal"


def main():
    # FastVideo will automatically use the optimal default arguments for the
    # model.
    # If a local path is provided, FastVideo will make a best effort
    # attempt to identify the optimal arguments.
    model_name = "wlsaidhi/SFWan2.1-T2V-1.3B-Diffusers"
    generator = VideoGenerator.from_pretrained(
        model_name,
        # FastVideo will automatically handle distributed setup
        num_gpus=1,
        use_fsdp_inference=False,  # set to True if GPU is out of memory
        text_encoder_cpu_offload=False,
        dit_cpu_offload=False,
    )

    prompt = ("A curious raccoon peers through a vibrant field of yellow sunflowers, its eyes "
              "wide with interest. The playful yet serene atmosphere is complemented by soft "
              "natural light filtering through the petals. Mid-shot, warm and cheerful tones.")
    video = generator.generate({
        "prompt": prompt,
        "output": {"output_path": OUTPUT_PATH, "save_video": True},
    })


if __name__ == "__main__":
    main()