build.sh

#!/usr/bin/env bash
# ─────────────────────────────────────────────────────────────────
# Trinetra AI — Unified Build Script for Render
# Builds the React frontend and installs Python backend dependencies.
# ─────────────────────────────────────────────────────────────────
set -o errexit  # Exit on any error

echo "══════════════════════════════════════════════════════════════"
echo "  Trinetra AI — Build Script"
echo "══════════════════════════════════════════════════════════════"

# ─── 1. Build the React Frontend ─────────────────────────────────
echo ""
echo "▸ Step 1/3: Installing frontend dependencies..."
cd frontend
npm install
echo "▸ Step 2/3: Building React frontend..."
npm run build
cd ..

# ─── 2. Install Python Backend Dependencies ─────────────────────
echo ""
echo "▸ Step 3/3: Installing Python backend dependencies..."
pip install -r backend/requirements.txt

# ─── 3. Write Firebase credentials from env var (if available) ──
if [ -n "$FIREBASE_CREDENTIALS_JSON" ]; then
    echo ""
    echo "▸ Writing Firebase credentials from environment variable..."
    echo "$FIREBASE_CREDENTIALS_JSON" > backend/serviceAccountKey.json
    echo "  ✅ serviceAccountKey.json written."
else
    echo ""
    echo "  ⚠️  FIREBASE_CREDENTIALS_JSON not set — Firebase features may not work."
fi

echo ""
echo "══════════════════════════════════════════════════════════════"
echo "  ✅ Build complete!"
echo "══════════════════════════════════════════════════════════════"