from pathlib import Path

PROJECTS_DIR = Path("projects")
SHARED_ASSETS_DIR = Path("shared_assets")

PROJECTS_DIR.mkdir(exist_ok=True)
SHARED_ASSETS_DIR.mkdir(exist_ok=True)

def get_project_paths(project_name: str) -> dict:
    """為給定專案回傳一個包含所有重要路徑的字典。"""
    if not project_name:
        return {}
    project_root = PROJECTS_DIR / project_name
    return {
        "root": project_root,
        "data": project_root / "data.json",
        "audio": project_root / "audio",
        "output": project_root / "output",
        "combined_audio": project_root / "output" / "combined_audio.wav",
        "ass_file": project_root / "output" / f"{project_name}.ass"
    }