import streamlit as st
import os
import base64
from pathlib import Path

def load_aframe():
    return """
    <script src="https://aframe.io/releases/1.2.0/aframe.min.js"></script>
    """

def create_aframe_entity(file_path, file_type, position):
    if file_type == 'obj':
        return f'<a-entity position="{position}" obj-model="obj: #{Path(file_path).stem}"></a-entity>'
    elif file_type == 'glb':
        return f'<a-entity position="{position}" gltf-model="#{Path(file_path).stem}"></a-entity>'
    elif file_type in ['webp', 'png']:
        return f'<a-image position="{position}" src="#{Path(file_path).stem}" width="1" height="1"></a-image>'
    elif file_type == 'mp4':
        return f'<a-video position="{position}" src="#{Path(file_path).stem}" width="1" height="1"></a-video>'
    return ''

def encode_file(file_path):
    with open(file_path, "rb") as file:
        return base64.b64encode(file.read()).decode()

def main():
    st.title("Local File 3D Viewer")

    directory = st.text_input("Enter the directory path:", ".")
    if not os.path.isdir(directory):
        st.error("Invalid directory path")
        return

    file_types = ['obj', 'glb', 'webp', 'png', 'mp4']
    files = [f for f in os.listdir(directory) if f.split('.')[-1] in file_types]

    aframe_scene = """
    <a-scene embedded style="height: 500px; width: 100%;">
      <a-entity camera="userHeight: 1.6" position="0 2 2" rotation="-45 0 0"></a-entity>
    """

    assets = "<a-assets>"
    entities = ""

    for i, file in enumerate(files):
        file_path = os.path.join(directory, file)
        file_type = file.split('.')[-1]
        encoded_file = encode_file(file_path)
        
        if file_type in ['obj', 'glb']:
            assets += f'<a-asset-item id="{Path(file).stem}" src="data:application/octet-stream;base64,{encoded_file}"></a-asset-item>'
        elif file_type in ['webp', 'png', 'mp4']:
            mime_type = f"image/{file_type}" if file_type in ['webp', 'png'] else "video/mp4"
            assets += f'<{file_type} id="{Path(file).stem}" src="data:{mime_type};base64,{encoded_file}"></{file_type}>'

        position = f"{i} 0 {i}"
        entities += create_aframe_entity(file_path, file_type, position)

    assets += "</a-assets>"
    aframe_scene += assets + entities + "</a-scene>"

    st.components.v1.html(load_aframe() + aframe_scene, height=500)

if __name__ == "__main__":
    main()