#!/usr/bin/env python3
"""Concatenate package READMEs into LaTeX source + colored PDF (WeasyPrint)."""

from __future__ import annotations

import subprocess
from pathlib import Path

ROOT = Path(__file__).resolve().parents[1]
CSS = ROOT / "scripts" / "docs-print.css"
OUT = ROOT / "docs" / "sphinx" / "_build" / "latex"
REPOS = [
    "overview",
    "verae-ops",
    "zappier",
    "verae-zapier-middleware",
    "verae-zapier",
    "verae-activate",
    "verae-request-splitter",
    "verae-archive-worm",
    "verae-archive-aggregator",
    "verae-tree-node",
    "verae-fleet",
    "verae-zapier-simulator",
    "zapier-user-docs",
    "docs-master",
    "verae-nats-process",
]


def main() -> None:
    OUT.mkdir(parents=True, exist_ok=True)
    files = [str(ROOT / "packages" / n / "README.md") for n in REPOS if (ROOT / "packages" / n / "README.md").exists()]
    html = OUT / "verae-zapier-modules.html"
    pdf = OUT / "verae-zapier-modules.pdf"
    tex = OUT / "verae-zapier-readmes.tex"
    hdr = OUT / "hdr.html"
    hdr.write_text("<style>" + CSS.read_text(encoding="utf-8") + "</style>\n", encoding="utf-8")
    subprocess.run(
        [
            "pandoc",
            *files,
            "-o",
            str(html),
            "--standalone",
            "--toc",
            f"--css={CSS}",
            "--metadata=title=Verae Time × Zapier — repository READMEs",
            f"--include-in-header={hdr}",
            "--syntax-highlighting=breezedark",
            f"--lua-filter={ROOT / 'scripts' / 'pdf-links.lua'}",
        ],
        check=True,
    )
    subprocess.run(["weasyprint", str(html), str(pdf)], check=True)
    subprocess.run(
        [
            "pandoc",
            *files,
            "-o",
            str(tex),
            "--standalone",
            "--toc",
            "--metadata=title=Verae Time × Zapier repository READMEs",
        ],
        check=True,
    )
    print(f"wrote {pdf} ({pdf.stat().st_size} bytes) and {tex}")


if __name__ == "__main__":
    main()