#!/bin/bash

# 🔧 Development Environment Manager
# Manages development services with clean, organized structure

set -e

# Configuration
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_ROOT="$(cd "$SCRIPT_DIR/../.." && pwd)"
COMPOSE_FILE="$PROJECT_ROOT/docker/dev/docker-compose.yml"
ENV_FILE="$PROJECT_ROOT/.env"
PROJECT_NAME="portal-dev"

# Colors
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
RED='\033[0;31m'
NC='\033[0m'

log() { echo -e "${GREEN}[DEV] $1${NC}"; }
warn() { echo -e "${YELLOW}[DEV] $1${NC}"; }
error() { echo -e "${RED}[DEV] ERROR: $1${NC}"; exit 1; }

# Change to project root
cd "$PROJECT_ROOT"

# Start development services
start_services() {
    log "🚀 Starting development services..."
    
    if [ ! -f "$ENV_FILE" ]; then
        warn "Environment file not found at $ENV_FILE"
        log "Creating from template..."
        cp .env.example .env
        warn "Please edit .env with your actual values"
    fi
    
    # Start PostgreSQL and Redis
    docker-compose -f "$COMPOSE_FILE" -p "$PROJECT_NAME" up -d postgres redis
    
    # Wait for database
    log "⏳ Waiting for database to be ready..."
    timeout=30
    while [ $timeout -gt 0 ]; do
        if docker-compose -f "$COMPOSE_FILE" -p "$PROJECT_NAME" exec -T postgres pg_isready -U dev -d portal_dev 2>/dev/null; then
            log "✅ Database is ready!"
            break
        fi
        sleep 2
        timeout=$((timeout - 2))
    done
    
    if [ $timeout -eq 0 ]; then
        error "Database failed to start within 30 seconds"
    fi
    
    log "✅ Development services are running!"
    log "🔗 Database: postgresql://dev:dev@localhost:5432/portal_dev"
    log "🔗 Redis: redis://localhost:6379"
}

# Start with admin tools
start_with_tools() {
    log "🛠️ Starting development services with admin tools..."
    docker-compose -f "$COMPOSE_FILE" -p "$PROJECT_NAME" --profile tools up -d
    
    log "🔗 Database Admin: http://localhost:8080"
    log "🔗 Redis Commander: http://localhost:8081"
}

# Stop services
stop_services() {
    log "⏹️ Stopping development services..."
    docker-compose -f "$COMPOSE_FILE" -p "$PROJECT_NAME" down
    log "✅ Services stopped"
}

# Show status
show_status() {
    log "📊 Development Services Status:"
    docker-compose -f "$COMPOSE_FILE" -p "$PROJECT_NAME" ps
}

# Show logs
show_logs() {
    docker-compose -f "$COMPOSE_FILE" -p "$PROJECT_NAME" logs -f "${@:2}"
}

# Start apps (services + local development)
start_apps() {
    log "🚀 Starting development services and applications..."
    
    # Start services if not running
    if ! docker-compose -f "$COMPOSE_FILE" -p "$PROJECT_NAME" ps | grep -q "Up"; then
        start_services
    fi
    
    log "Starting development applications..."
    # Export root env so both apps can read from central .env
    set -a
    source "$ENV_FILE" 2>/dev/null || true
    set +a
    
    # Show startup information
    log "🎯 Starting development applications..."
    log "🔗 BFF API: http://localhost:${BFF_PORT:-4000}/api"
    log "🔗 Frontend: http://localhost:${NEXT_PORT:-3000}"
    log "🔗 Database: postgresql://dev:dev@localhost:5432/portal_dev"
    log "🔗 Redis: redis://localhost:6379"
    log "📚 API Docs: http://localhost:${BFF_PORT:-4000}/api/docs"
    log "Starting apps with hot-reload..."

    # Start Prisma Studio (opens browser)
    (cd "$PROJECT_ROOT/apps/bff" && pnpm db:studio &)

    # Start apps (portal + bff) with hot reload in parallel
    pnpm --parallel --filter @customer-portal/portal --filter @customer-portal/bff run dev
}

# Reset environment
reset_env() {
    log "🔄 Resetting development environment..."
    stop_services
    docker-compose -f "$COMPOSE_FILE" -p "$PROJECT_NAME" down -v
    docker system prune -f
    log "✅ Development environment reset"
}

# Run database migrations
migrate_db() {
    log "🗄️ Running database migrations..."
    
    if ! docker-compose -f "$COMPOSE_FILE" -p "$PROJECT_NAME" ps postgres | grep -q "Up"; then
        error "Database service not running. Run 'pnpm dev:start' first"
    fi
    
    pnpm db:migrate
    log "✅ Database migrations completed"
}

# Main function
case "${1:-help}" in
    "start") start_services ;;
    "stop") stop_services ;;
    "restart") stop_services && start_services ;;
    "status") show_status ;;
    "logs") show_logs "$@" ;;
    "tools") start_with_tools ;;
    "apps") start_apps ;;
    "migrate") migrate_db ;;
    "reset") reset_env ;;
    "help"|*)
        echo "🔧 Development Environment Manager"
        echo ""
        echo "Usage: $0 {command}"
        echo ""
        echo "Commands:"
        echo "  start     - Start development services (PostgreSQL + Redis)"
        echo "  stop      - Stop all development services"
        echo "  restart   - Restart all services"
        echo "  status    - Show service status"
        echo "  logs      - Show service logs"
        echo "  tools     - Start services with admin tools"
        echo "  apps      - Start services + run development apps"
        echo "  migrate   - Run database migrations"
        echo "  reset     - Reset development environment"
        echo "  help      - Show this help"
        exit 0
        ;;
esac