from pathlib import Path

from fastmcp.server.providers.skills import SkillsDirectoryProvider


def create_skills_provider() -> SkillsDirectoryProvider:
    """Create the provider for skills packaged with personal-mcp."""
    skills_root = Path(__file__).resolve().parents[1] / "docs" / "skills"
    if not skills_root.is_dir():
        raise FileNotFoundError(f"packaged skills directory does not exist: {skills_root}")

    has_skills = any(skill_dir.is_dir() and (skill_dir / "SKILL.md").is_file() for skill_dir in skills_root.iterdir())
    if not has_skills:
        raise ValueError(f"packaged skills directory contains no skills: {skills_root}")

    return SkillsDirectoryProvider(
        roots=skills_root,
        reload=False,
        supporting_files="template",
    )