"""MkDocs build hook: render a Specs section on each hardware host page from its YAML frontmatter."""
from __future__ import annotations

import sys
from pathlib import Path

sys.path.insert(0, str(Path(__file__).resolve().parent))
from gen_overview import fmt_cpu, fmt_nic, fmt_ram, fmt_storage  # noqa: E402


def _render_specs(meta: dict) -> str:
    rows = [
        ("Model",    meta.get("model")),
        ("Location", meta.get("location")),
        ("CPU",      fmt_cpu(meta)),
        ("RAM",      fmt_ram(meta)),
        ("Storage",  fmt_storage(meta)),
        ("NIC",      fmt_nic(meta)),
        ("Status",   meta.get("status")),
    ]
    lines = ["| Field | Value |", "|---|---|"]
    for label, value in rows:
        if not value:
            continue
        lines.append(f"| {label} | {value} |")
    return "\n".join(lines)


def on_page_markdown(markdown, page, config, files):  # noqa: ARG001
    meta = page.meta or {}
    hostname = meta.get("hostname")
    if not hostname:
        return markdown
    return f"# {hostname}\n\n## Specs\n\n{_render_specs(meta)}\n\n{markdown}"