import streamlit as st
import moviepy.editor as mp

def reduce_video_size(input_file, output_file, target_size_mb=199):
    video_clip = mp.VideoFileClip(input_file)
    audio_clip = video_clip.audio

    # Reduce video quality to minimize file size
    reduced_video_clip = video_clip.resize(width=320, height=240)

    # Set a target bit rate for the video to achieve the desired size
    target_bitrate = (target_size_mb * 8 * 1024 * 1024) / (video_clip.duration)
    reduced_video_clip.write_videofile(output_file, audio_codec='aac', bitrate=f"{target_bitrate}k", codec="libx264")

    # Close the video clips to release resources
    video_clip.close()
    reduced_video_clip.close()

# Streamlit UI
st.title("Video Size Reducer")

uploaded_file = st.file_uploader("Upload a video file (.mp4)", type="mp4")

if uploaded_file:
    st.text("Uploaded file: " + uploaded_file.name)

    # Set output file path
    output_file_path = f"reduced_{uploaded_file.name}"

    if st.button("Reduce Video Size"):
        st.text("Reducing video size... Please wait.")
        
        try:
            reduce_video_size(uploaded_file.name, output_file_path)
            st.success(f"Video size reduced successfully. Download link: [Download Reduced Video]({output_file_path})")
        except Exception as e:
            st.error(f"Error: {str(e)}")