# app/utils/skill_registry.py
from dataclasses import dataclass
from pathlib import Path
from typing import Dict, List, Optional
import yaml

@dataclass
class Skill:
    id: str
    name: str
    description: str
    tags: List[str]
    max_rank: int = 1

class SkillRegistry:
    def __init__(self) -> None:
        self.by_id: Dict[str, Skill] = {}

    def load_file(self, path: Path) -> None:
        data = yaml.safe_load(path.read_text()) or []
        for raw in data:
            skill = Skill(**raw)
            self.by_id[skill.id] = skill

    def load_dir(self, root: Path) -> None:
        for p in sorted(root.glob("*.y*ml")):
            self.load_file(p)

    def get(self, skill_id: str) -> Optional[Skill]:
        return self.by_id.get(skill_id)