#!/bin/bash

# Setup verification script
# Checks if all required dependencies and configurations are in place

set -e

echo "🔍 Checking Solace Treasury DApp setup..."
echo ""

# Check Node.js
if command -v node &> /dev/null; then
    NODE_VERSION=$(node --version)
    echo "✅ Node.js: $NODE_VERSION"
else
    echo "❌ Node.js not found. Please install Node.js >= 18.0.0"
    exit 1
fi

# Check pnpm
if command -v pnpm &> /dev/null; then
    PNPM_VERSION=$(pnpm --version)
    echo "✅ pnpm: $PNPM_VERSION"
else
    echo "❌ pnpm not found. Install with: npm install -g pnpm"
    exit 1
fi

# Check PostgreSQL
if command -v psql &> /dev/null; then
    echo "✅ PostgreSQL: $(psql --version | head -n1)"
else
    echo "⚠️  PostgreSQL not found (required for database)"
fi

# Check if dependencies are installed
if [ -d "node_modules" ]; then
    echo "✅ Dependencies installed"
else
    echo "❌ Dependencies not installed. Run: pnpm install"
    exit 1
fi

# Check contracts compilation
if [ -d "contracts/artifacts" ]; then
    echo "✅ Contracts compiled"
else
    echo "⚠️  Contracts not compiled. Run: cd contracts && pnpm run compile"
fi

# Check environment files
echo ""
echo "📋 Environment files:"

if [ -f "frontend/.env.local" ] || [ -f "frontend/.env" ]; then
    echo "✅ Frontend env file exists"
else
    echo "⚠️  Frontend .env.local not found (create from template)"
fi

if [ -f "backend/.env" ]; then
    echo "✅ Backend env file exists"
else
    echo "⚠️  Backend .env not found (create from template)"
fi

if [ -f "contracts/.env" ]; then
    echo "✅ Contracts env file exists"
else
    echo "⚠️  Contracts .env not found (create from template)"
fi

# Check database migrations
if [ -d "backend/drizzle" ] && [ "$(ls -A backend/drizzle/*.sql 2>/dev/null)" ]; then
    echo "✅ Database migrations generated"
else
    echo "⚠️  Database migrations not generated. Run: cd backend && pnpm run db:generate"
fi

# Check if database is accessible (if DATABASE_URL is set)
if [ -f "backend/.env" ]; then
    source backend/.env
    if [ -n "$DATABASE_URL" ]; then
        if command -v psql &> /dev/null; then
            if psql "$DATABASE_URL" -c "SELECT 1;" &> /dev/null; then
                echo "✅ Database connection successful"
            else
                echo "⚠️  Database connection failed (check DATABASE_URL)"
            fi
        fi
    fi
fi

echo ""
echo "✨ Setup check complete!"
echo ""
echo "Next steps:"
echo "1. Create .env files if missing"
echo "2. Set up database: cd backend && pnpm run db:migrate"
echo "3. Deploy contracts: cd contracts && pnpm run deploy:sepolia"
echo "4. Start dev servers: pnpm run dev"