from contextlib import closing
import streamlit as st
from auth import get_fullname_for_user, get_role_for_user
from app_db.app_db import get_conn, get_list
# import sqlite3


def build_sidebar():

    authenticator = st.session_state.get("authenticator")
    username = st.session_state.get("name")
    role_text = st.session_state.get("role_text")
    fullname = st.session_state.get("fullname")

    if not authenticator or not username:
        return

    df = st.session_state.get("df_sidebar")

    with st.sidebar:

        st.logo("app/images/GMN_Logo_neu_rgb.png", size="small")
        st.markdown(f"**{fullname}** ({role_text})")
        col1, col2 = st.columns([2,2])

        with col1:
            
            authenticator.logout("Logout")

        with col2:
            if st.button("Home", use_container_width=True, icon=":material/home:"):
                st.switch_page("pages/home.py")

        # --- Suchfeld ---
        query = st.text_input("Menü-Suche", "", placeholder="z.B. Umsatz, Kosten, User ...")
        query = query.strip()

        # Aktive Seite ermitteln (für Expander-Status / Highlight)
        current_page = st.session_state.get("_page_path")

        # --- DF filtern, falls Suchbegriff gesetzt ---
        if query:
            mask = (
                df["dash_text"].str.contains(query, case=False, na=False)
                | df["group_text"].str.contains(query, case=False, na=False)
            )
            df_view = df[mask].copy()
        else:
            df_view = df

        if df_view.empty:
            st.info("Keine Einträge zum Suchbegriff gefunden.")
            return

        # --- Gruppiert durchlaufen ---
        # df_view = df_view.sort_values(["group_order", "dash_order"]) # vorher noch sortieren
        for group_text, df_group in df_view.groupby("group_text", sort=False): # und beim gruppieren nicht nach der Gruppe sortieren!
            # Expander offen, wenn:
            # - aktuelle Seite in dieser Gruppe liegt
            group_open = any(
                (row["page_file"] == current_page)
                for _, row in df_group.iterrows()
            )

            with st.expander(group_text, expanded=(group_open or bool(query))):
                for _, row in df_group.iterrows():
                    dash_type = row.get("dash_type")
                    page_file = row.get("page_file")
                    label = row.get("dash_text", "")

                    # Streamlit-Page
                    if dash_type == "page" and isinstance(page_file, str) and page_file.strip():
                        st.page_link(f"pages/{page_file}.py", label=label, help="Das ist die Hilfe")

                    # Externer Link
                    elif dash_type == "url" and isinstance(page_file, str) and page_file.strip():
                        st.markdown(f"[{label}]({page_file})")

                    # Platzhalter / Sonstiges
                    else:
                        st.write(f"▫️ {label}")

# Damit die leere Sidebar komplett verschwindet nach dem Logout
def hide_sidebar_if_logged_out():
    if st.session_state.get("authentication_status") != True:
        st.markdown("""
            <style>
                /* komplette Sidebar + Toggle ausblenden */
                [data-testid="stSidebar"] {display: none;}
                [data-testid="stSidebarNav"] {display: none;}
                [data-testid="collapsedControl"] {display: none;}
                
                /* Content wieder ganz nach links */
                [data-testid="stAppViewContainer"] {
                    margin-left: 0;
                }
            </style>
        """, unsafe_allow_html=True)