import os

from ..slugify import slugify
from .support_connection import connect_support
from .support_dir import support_dir
from .support_slug import build_slug


def create_support(name: str, owner_folder: str) -> str:
    """Crée le dossier du support (projects/<owner_folder>/_supports/
    <project_part>/) et sa base support.db dédiée — mirroir de
    db/games/create_game.py pour la mécanique de dossier/unicité de nom,
    mais un schéma entièrement différent (voir document_engine/ : un seul
    document par support, pas d'écrans/objets de scène). owner_folder
    n'est jamais optionnel ici (contrairement à create_game) : un support
    n'existe pas sans compte propriétaire."""
    project_part = slugify(name)
    base = project_part
    n = 2
    while os.path.isdir(support_dir(build_slug(owner_folder, base))):
        base = f"{project_part}-{n}"
        n += 1
    project_part = base
    slug = build_slug(owner_folder, project_part)

    os.makedirs(support_dir(slug), exist_ok=True)

    conn = connect_support(slug)
    conn.executescript(
        """
        CREATE TABLE _meta (key TEXT PRIMARY KEY, value TEXT);

        CREATE TABLE _document_elements (
            id INTEGER PRIMARY KEY AUTOINCREMENT,
            parent_id INTEGER REFERENCES _document_elements(id) ON DELETE CASCADE,
            kind TEXT NOT NULL,
            order_index INTEGER NOT NULL DEFAULT 0,
            attributes TEXT NOT NULL DEFAULT '{}',
            created_at TEXT DEFAULT CURRENT_TIMESTAMP
        );
        """
    )
    conn.execute("INSERT INTO _meta (key, value) VALUES ('name', ?)", (name,))
    conn.commit()
    conn.close()
    return slug