# playlists/playlist_page.py
import streamlit as st
from playlists import playlist_db
from playlists.playlist_model import Playlist
from playlists.playlist_controller import playlist_manual_editor, playlist_dynamic_editor
from playlists.playlist_controller import RuleSet

def main():
    st.title("🎵 Gestion des Playlists")

    playlists = playlist_db.load_all_playlists()
    selected = st.selectbox("Playlists existantes", ["(Nouvelle)"] + [p.name for p in playlists])

    # playlists/playlist_page.py (partie création)
    if selected == "(Nouvelle)":
        st.subheader("➕ Nouvelle playlist")
        name = st.text_input("Nom")
        desc = st.text_area("Description")
        type_choice = st.radio("Type", ["manual", "dynamic"])
        if st.button("Créer"):
            if not name.strip():
                st.error("Le nom ne peut pas être vide.")
            else:
                pl = Playlist(name=name.strip(), description=desc or "", type=type_choice, rules=RuleSet())
                pl.save()
                st.success("Playlist créée ✅")
                # Recharge immédiate : rerun force tout à re-exécuter
                st.rerun()

    else:
        current = next(p for p in playlists if p.name == selected)
        if current.type == "manual":
            playlist_manual_editor(current)
        else:
            playlist_dynamic_editor(current)