#!/usr/bin/env bash
# render_leadership_diagrams.sh — render the 7 leadership-deck mermaid
# diagrams to PNG via mmdc. Single-shot helper (NOT a CI gate, per
# D-241/D-246). Uses vendored Chromium shared libraries (D-246).
#
# Usage: bash scripts/render_leadership_diagrams.sh
set -euo pipefail

cd "$(git rev-parse --show-toplevel)"

MMD_DIR="docs/presentations/assets/mmd"
PNG_DIR="docs/presentations/assets/png"
THEME_JSON="$MMD_DIR/sp-theme.json"
PUPPETEER_CFG="docs/presentations/assets/puppeteer-config.json"

# Vendored Chromium shared libraries (D-246) — extracted from Debian
# bookworm .deb packages to /home/opencode/tmp/so2/
VENDORED_SO="/home/opencode/tmp/so2"
export LD_LIBRARY_PATH="${VENDORED_SO}:${LD_LIBRARY_PATH:-}"

export CHROME_PATH="/home/opencode/.cache/puppeteer/chrome/linux-152.0.7977.42/chrome-linux64/chrome"

echo "=== Rendering leadership deck mermaid diagrams (S&P theme, 2x, transparent) ==="
for mmd in "$MMD_DIR"/leadership-slide-*.mmd; do
  name="$(basename "$mmd" .mmd)"
  png="$PNG_DIR/$name.png"
  echo "  $name.mmd → $name.png"
  npx --yes @mermaid-js/mermaid-cli@11.16.0 \
    --configFile "$THEME_JSON" \
    --puppeteerConfigFile "$PUPPETEER_CFG" \
    -s 2 -b transparent \
    --input "$mmd" \
    --output "$png" 2>&1 | grep -v "^$" || true
done
echo "  Rendered $(ls "$PNG_DIR"/leadership-slide-*.png 2>/dev/null | wc -l) leadership PNGs."