#!/usr/bin/env bash
set -euo pipefail

echo "[start-web] Starting web service..."
echo "[start-web] Bun: $(bun --version || true)"

cd /app

export BUN_INSTALL_CACHE_DIR="${BUN_INSTALL_CACHE_DIR:-/tmp/bun-cache}"
mkdir -p "$BUN_INSTALL_CACHE_DIR"

echo "[start-web] Using bun cache dir: $BUN_INSTALL_CACHE_DIR"

echo "[start-web] Using APP_DIR=$(pwd)"
echo "[start-web] NEXT_PUBLIC_APP_URL=${NEXT_PUBLIC_APP_URL:-}"
echo "[start-web] NEXT_PUBLIC_CONVEX_URL=${NEXT_PUBLIC_CONVEX_URL:-}"

# Ensure system deps for native modules (best-effort, idempotent)
if command -v apt-get >/dev/null 2>&1; then
  # Ensure curl/gnupg for NodeSource setup
  if ! command -v curl >/dev/null 2>&1; then
    apt-get update -y || true
    apt-get install -y --no-install-recommends curl ca-certificates gnupg || true
  fi
  install_node() {
    local current_node_major=""
    if command -v node >/dev/null 2>&1; then
      current_node_major=$(node -v | sed -E 's/^v([0-9]+).*/\1/')
      if [ -n "$current_node_major" ] && [ "$current_node_major" -ge 20 ]; then
        return 0
      fi
    fi

    echo "[start-web] installing Node.js 22.x via NodeSource"
    curl -fsSL https://deb.nodesource.com/setup_22.x | bash - || true
    apt-get update -y || true
    apt-get install -y --no-install-recommends nodejs || true
  }

  if ! command -v openssl >/dev/null 2>&1; then
    echo "[start-web] openssl not found; installing via apt-get (requires root)"
    apt-get update -y || true
    apt-get install -y --no-install-recommends openssl ca-certificates || true
  fi
  if ! command -v node >/dev/null 2>&1 && [ -x /usr/bin/nodejs ]; then
    ln -sf /usr/bin/nodejs /usr/bin/node || true
  fi
  install_node
else
  echo "[start-web] apt-get unavailable; skipping system deps install" >&2
fi

# Bun keeps its store in node_modules/.bun by default; ensure it exists and is writable
mkdir -p node_modules/.bun >/dev/null 2>&1 || true

# Prisma generate (idempotent) and apply DB migrations
echo "[start-web] prisma generate (bun runtime)"
bunx --bun prisma generate

echo "[start-web] prisma migrate deploy (bun runtime)"
bunx --bun prisma migrate deploy

# Seed Better Auth users safely (ensure-only by default)
if [ "${SKIP_AUTH_SEED:-false}" != "true" ]; then
  echo "[start-web] seeding Better Auth users (ensure-only)"
  bun run auth:seed || true
else
  echo "[start-web] skipping auth seed (SKIP_AUTH_SEED=true)"
fi

echo "[start-web] launching Next.js"
PORT=${PORT:-3000}
if command -v node >/dev/null 2>&1; then
  NODE_MAJOR=$(node -v | sed -E 's/^v([0-9]+).*/\1/')
  if [ -n "$NODE_MAJOR" ] && [ "$NODE_MAJOR" -ge 20 ]; then
    exec node node_modules/next/dist/bin/next start --port "$PORT"
  else
    echo "[start-web] node version ($NODE_MAJOR) < 20; using bun to start Next.js"
  fi
fi
# Fallback to bun if node is unavailable or too old
exec bun run start -- --port "$PORT"