#!/usr/bin/env bash
# Notes toolchain preflight. 0 = full, 1 = degraded, 2 = no LaTeX engine.
set -uo pipefail

QUIET=0
[[ "${1:-}" == "--quiet" ]] && QUIET=1
say() { [[ $QUIET -eq 1 ]] || echo -e "$*"; }

ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
ok=0; warn=0; fail=0
check() {
  local name="$1"; shift
  if "$@" >/dev/null 2>&1; then say "  ok    $name"; ok=$((ok+1)); return 0
  else say "  MISS  $name"; return 1; fi
}

say "superpaper preflight"
say "--- engine ---"
check "xelatex"        command -v xelatex        || fail=$((fail+1))
check "article.cls"    kpsewhich article.cls     || fail=$((fail+1))

say "--- template / CJK ---"
cjk=0
for pkg in ctex.sty FandolSong-Regular.otf amsmath.sty amssymb.sty \
           tcolorbox.sty graphicx.sty hyperref.sty geometry.sty \
           listings.sty booktabs.sty subcaption.sty float.sty tikz.sty etoolbox.sty; do
  check "$pkg" kpsewhich "$pkg" || { warn=$((warn+1)); cjk=1; }
done

say "--- python ---"
PY="$ROOT/scripts/python"
check "python3" command -v python3 || warn=$((warn+1))
check "PyYAML" "$PY" -c "import yaml" || warn=$((warn+1))
check "jsonschema" "$PY" -c "import jsonschema" || warn=$((warn+1))

say "--- ingest ---"
check "pdftotext" command -v pdftotext || warn=$((warn+1))
check "pdftoppm"  command -v pdftoppm  || warn=$((warn+1))

say "--- optional ---"
check "magick"     command -v magick     || true
check "pdftocairo" command -v pdftocairo || true

if [[ $fail -gt 0 ]]; then
  say ""
  say "RESULT: no LaTeX. Deliver ledger + Markdown; no PDF."
  exit 2
fi
if [[ $warn -gt 0 ]]; then
  say ""
  say "RESULT: degraded."
  [[ $cjk -eq 1 ]] && say "  - missing CJK/template package -> English notes or later Missing character."
  exit 1
fi
say ""
say "RESULT: full notes path (XeLaTeX + CJK + lint)."
exit 0