#!/bin/sh
set -e

# Template is in dist (copied by Dockerfile builder stage)
TEMPLATE="/usr/share/nginx/html/env.js.template"
TARGET="/usr/share/nginx/html/env.js"

if [ -f "$TEMPLATE" ]; then
  echo "Generating env.js from template with API_BASE=${API_BASE:-/api}"
  # Default API_BASE to /api if not provided
  : ${API_BASE:=/api}

  cat > "$TARGET" <<EOF
window.__ENV__ = {
  API_BASE: "${API_BASE}"
};
EOF
  echo "✓ env.js generated at $TARGET"
else
  echo "Warning: env.js.template not found at $TEMPLATE, creating default env.js"
  # Fallback: create env.js with default value
  : ${API_BASE:=/api}
  cat > "$TARGET" <<EOF
window.__ENV__ = {
  API_BASE: "${API_BASE}"
};
EOF
  echo "✓ Default env.js created at $TARGET"
fi

# Ensure ownership/permissions are OK for nginx
chown -R nginx:nginx /usr/share/nginx/html || true