from __future__ import annotations

from typing import Any, Dict, List

from docforge.nav.resolver import ResolvedNav


class MkDocsNavEmitter:
    """Emit MkDocs-compatible nav structure."""

    def emit(self, nav: ResolvedNav) -> List[Dict[str, Any]]:
        result: List[Dict[str, Any]] = []

        if nav.home:
            result.append({"Home": nav.home})

        for group, paths in nav.groups.items():
            entries: List[Dict[str, str]] = []
            for path in paths:
                title = path.stem.replace("_", " ").title()
                entries.append({title: path.as_posix()})
            result.append({group: entries})

        return result