#!/bin/sh
# Print a table of tool versions: pinned (.tools/bin -- what make targets use,
# because the Makefile prepends it to recipe PATH) vs PATH-first (what your own
# shell resolves outside make).
#
#   scripts/tool_versions.sh            informational; always exits 0
#   scripts/tool_versions.sh --strict   exit 1 if a pinned tool is missing or
#                                       has the wrong version (used by `make
#                                       preflight`, which runs before
#                                       all/serve/serve-lan)
set -u
ROOT=$(cd "$(dirname "$0")/.." && pwd)
BIN="$ROOT/.tools/bin"
MODE=${1:-}

HUGO_PIN="v0.167.0+extended"
NODE_PIN="v22.11.0"
LYCHEE_PIN="0.24.2"

# PATH with .tools/bin stripped, so "PATH-first" shows what the user's shell
# would resolve, even though make exported .tools/bin into our PATH.
SYSPATH=$(printf '%s' "$PATH" | tr ':' '\n' | grep -vx "$BIN" | tr '\n' ':' | sed 's/:$//')

pinned_ver() {
  case "$1" in
    # hugo release builds report "v<ver>-<40-hex-commit>+extended"; strip the commit
    hugo)   [ -x "$BIN/hugo" ]   && "$BIN/hugo" version 2>/dev/null | awk '{print $2}' | sed 's/-[0-9a-f]\{40,\}//' ;;
    node)   [ -x "$BIN/node" ]   && "$BIN/node" --version 2>/dev/null ;;
    npx)    [ -x "$BIN/npx" ]    && "$BIN/npx" --version 2>/dev/null ;;
    lychee) [ -x "$BIN/lychee" ] && "$BIN/lychee" --version 2>/dev/null | awk '{print $2}' ;;
  esac
}

first_path() { PATH="$SYSPATH" command -v "$1" 2>/dev/null; }

first_ver() { # first_ver <tool> <path>
  [ -n "${2:-}" ] || return 0
  case "$1" in
    hugo)    "$2" version 2>/dev/null | awk '{print $2}' | sed 's/-[0-9a-f]\{40,\}//' ;;
    node)    "$2" --version 2>/dev/null ;;
    npx)     "$2" --version 2>/dev/null ;;
    lychee)  "$2" --version 2>/dev/null | awk '{print $2}' ;;
    python3) "$2" --version 2>/dev/null | awk '{print $2}' ;;
  esac
}

if [ "$MODE" = "--strict" ]; then
  fail=0
  [ "$(pinned_ver hugo)" = "$HUGO_PIN" ] || { echo "preflight: pinned hugo $HUGO_PIN missing/wrong in $BIN" >&2; fail=1; }
  [ "$(pinned_ver node)" = "$NODE_PIN" ] || { echo "preflight: pinned node $NODE_PIN missing/wrong in $BIN" >&2; fail=1; }
  [ -n "$(pinned_ver npx)" ] || { echo "preflight: pinned npx missing in $BIN" >&2; fail=1; }
  [ "$(pinned_ver lychee)" = "$LYCHEE_PIN" ] || { echo "preflight: pinned lychee $LYCHEE_PIN missing/wrong in $BIN" >&2; fail=1; }
  command -v python3 >/dev/null 2>&1 || { echo "preflight: python3 not found on PATH (needed by serve-lan)" >&2; fail=1; }
  if [ "$fail" = 1 ]; then
    echo "preflight: fix with: make bootstrap" >&2
    exit 1
  fi
  echo "preflight: OK (pinned toolchain present in $BIN)"
  exit 0
fi

row() { # row <tool> <pinned disp> <first disp> <first path>
  printf '%-8s %-27s %-27s %s\n' "$1" "$2" "$3" "${4:--}"
}

echo "tool     pinned (.tools/bin)          PATH-first (your shell)"
for t in hugo node npx lychee; do
  pv=$(pinned_ver "$t")
  fp=$(first_path "$t")
  fv=$(first_ver "$t" "$fp")
  [ -n "$pv" ] || pv="(missing)"
  [ -n "$fv" ] || fv="(not installed)"
  row "$t" "$pv" "$fv" "$fp"
done
fp=$(first_path python3); fv=$(first_ver python3 "$fp")
[ -n "$fv" ] || fv="(not installed)"
row "python3" "(not pinned)" "$fv" "$fp"
echo
echo "make targets always use the pinned column. 'make bootstrap' installs it."