def main():
    import streamlit as st
    import controller
    import colorsys
    import pickle
    import os
    from PIL import Image

    hide_streamlit_style = """
    <style>
    #MainMenu {visibility: hidden;}
    footer {visibility: hidden;}
    </style>

    """
    st.markdown(hide_streamlit_style, unsafe_allow_html=True) 

    def hex_to_rgb(hex):
        r = int(hex[1:3],16)
        g = int(hex[3:5],16)
        b = int(hex[5:7],16)
        return r,g,b

    def rgb_to_hex(r,g,b):
        return "#" + hex(r)[2:].zfill(2) + hex(g)[2:].zfill(2) + hex(b)[2:].zfill(2) 

    def load_config():
        try:
            path = os.path.expanduser("~/.config/lc/lc.dmp")
            with open(path, 'rb') as f:
                return pickle.load(f)
        except FileNotFoundError:
            return {'color': '000000', 'saved': []}
            

    def save(conf):
        path = os.path.expanduser("~/.config/lc/lc.dmp")
        with open(path, 'wb') as f:
            pickle.dump(conf, f) 

    def add_to_conf():
        st.session_state.config['saved'].append(color)

    if 'config' not in st.session_state:
        init = 1
        st.session_state.config = load_config()
        color = st.session_state.config['color']

    st.title("LED Control")

    # r = st.slider("Red", 0, 255, 0)
    # g = st.slider("Green", 0, 255, 0)
    # b = st.slider("Blue", 0, 255, 0)
    h = st.slider("Hue", 0.0, 1.0, 0.0, 0.01)
    s = st.slider("Saturation", 0.0, 1.0, 0.0, 0.01)
    v = st.slider("Value", 0.0, 1.0, 0.0, 0.01)
    
    
    r,g,b = colorsys.hsv_to_rgb(h,s,v)
    color = rgb_to_hex(int(r * 255),int(g * 255),int(b * 255))


    st.session_state.config['color'] = color[1:]
    save(st.session_state.config)
    controller.set_pixels(color[1:])
    img = Image.new(mode="RGB", size=(30,30), color=(int(r * 255),int(g * 255),int(b * 255)))

    st.subheader(color)
    st.image(img)
    st.button("Save Color", add_to_conf)
    st.session_state.config['saved']


if __name__ == "__main__":
    main()