#!/bin/bash
# =============================================================================
# Admin Service - Deployment Script
# =============================================================================
# 用法: ./deploy.sh <command>
# =============================================================================

set -e

SERVICE_NAME="admin-service"
CONTAINER_NAME="rwa-admin-service"
IMAGE_NAME="services-admin-service"
PORT=3010
HEALTH_ENDPOINT="http://localhost:${PORT}/api/v1/health"

# Colors
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
BLUE='\033[0;34m'
CYAN='\033[0;36m'
NC='\033[0m'

log_info() { echo -e "${BLUE}[INFO]${NC} $1"; }
log_success() { echo -e "${GREEN}[OK]${NC} $1"; }
log_warn() { echo -e "${YELLOW}[WARN]${NC} $1"; }
log_error() { echo -e "${RED}[ERROR]${NC} $1"; }
log_step() { echo -e "${CYAN}[STEP]${NC} $1"; }

# Get script directory
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
SERVICES_DIR="$(dirname "$SCRIPT_DIR")"

# Load environment from parent services directory (shared .env)
load_env() {
    if [ -f "$SERVICES_DIR/.env" ]; then
        export $(cat "$SERVICES_DIR/.env" | grep -v '^#' | xargs)
        log_info "Loaded .env from $SERVICES_DIR"
    elif [ -f "$SCRIPT_DIR/.env" ]; then
        export $(cat "$SCRIPT_DIR/.env" | grep -v '^#' | xargs)
        log_info "Loaded .env from $SCRIPT_DIR"
    fi
}

# Show banner
show_banner() {
    echo -e "${CYAN}"
    echo "╔═══════════════════════════════════════════════════════════════╗"
    echo "║              Admin Service Deployment Script                  ║"
    echo "║                   Version Management API                      ║"
    echo "╚═══════════════════════════════════════════════════════════════╝"
    echo -e "${NC}"
}

case "$1" in
    # =========================================================================
    # Build Commands
    # =========================================================================
    build)
        show_banner
        log_info "Building $SERVICE_NAME Docker image..."
        docker build -t "$IMAGE_NAME" "$SCRIPT_DIR"
        log_success "$SERVICE_NAME built successfully"
        ;;

    build-no-cache)
        show_banner
        log_info "Building $SERVICE_NAME (no cache)..."
        docker build --no-cache -t "$IMAGE_NAME" "$SCRIPT_DIR"
        log_success "$SERVICE_NAME built successfully (no cache)"
        ;;

    # =========================================================================
    # Lifecycle Commands
    # =========================================================================
    start)
        show_banner
        load_env
        log_info "Starting $SERVICE_NAME using shared infrastructure..."
        cd "$SERVICES_DIR"
        docker compose up -d "$SERVICE_NAME"
        log_success "$SERVICE_NAME started"
        log_info "Waiting for service to be healthy..."
        sleep 5
        "$SCRIPT_DIR/deploy.sh" health
        ;;

    stop)
        show_banner
        log_info "Stopping $SERVICE_NAME..."
        docker stop "$CONTAINER_NAME" 2>/dev/null || true
        docker rm "$CONTAINER_NAME" 2>/dev/null || true
        log_success "$SERVICE_NAME stopped"
        ;;

    restart)
        show_banner
        "$SCRIPT_DIR/deploy.sh" stop
        "$SCRIPT_DIR/deploy.sh" start
        ;;

    up)
        show_banner
        load_env
        log_info "Starting $SERVICE_NAME in foreground..."
        cd "$SERVICES_DIR"
        docker compose up "$SERVICE_NAME"
        ;;

    down)
        show_banner
        log_info "Stopping $SERVICE_NAME container..."
        docker stop "$CONTAINER_NAME" 2>/dev/null || true
        docker rm "$CONTAINER_NAME" 2>/dev/null || true
        log_success "$SERVICE_NAME container removed"
        ;;

    # =========================================================================
    # Monitoring Commands
    # =========================================================================
    logs)
        docker logs -f "$CONTAINER_NAME"
        ;;

    logs-tail)
        docker logs --tail 100 "$CONTAINER_NAME"
        ;;

    logs-all)
        cd "$SERVICES_DIR"
        docker compose logs -f "$SERVICE_NAME"
        ;;

    status)
        show_banner
        log_info "Checking $SERVICE_NAME status..."
        echo ""
        if docker ps --format '{{.Names}}' | grep -q "^${CONTAINER_NAME}$"; then
            log_success "$SERVICE_NAME is running"
            echo ""
            docker ps --filter "name=$CONTAINER_NAME" --format "table {{.Names}}\t{{.Status}}\t{{.Ports}}"
        else
            log_warn "$SERVICE_NAME is not running"
        fi
        echo ""
        log_info "All related containers:"
        docker ps --filter "name=rwa-admin" --format "table {{.Names}}\t{{.Status}}\t{{.Ports}}"
        ;;

    health)
        log_info "Checking health endpoint..."
        if curl -sf "$HEALTH_ENDPOINT" > /dev/null 2>&1; then
            log_success "Health check passed"
            curl -s "$HEALTH_ENDPOINT" | jq . 2>/dev/null || curl -s "$HEALTH_ENDPOINT"
        else
            log_error "Health check failed"
            exit 1
        fi
        ;;

    # =========================================================================
    # Database Commands
    # =========================================================================
    init-db)
        show_banner
        log_info "Creating database rwa_admin if not exists..."
        docker exec rwa-postgres psql -U "${POSTGRES_USER:-rwa_user}" -c "CREATE DATABASE rwa_admin;" 2>/dev/null || log_warn "Database already exists"
        log_success "Database ready"
        log_info "Running migrations..."
        "$SCRIPT_DIR/deploy.sh" migrate
        ;;

    migrate)
        show_banner
        log_info "Running database migrations (production)..."
        docker exec "$CONTAINER_NAME" npx prisma migrate deploy
        log_success "Migrations completed"
        ;;

    migrate-dev)
        show_banner
        log_info "Running database migrations (development)..."
        docker exec -it "$CONTAINER_NAME" npx prisma migrate dev
        log_success "Dev migrations completed"
        ;;

    migrate-status)
        log_info "Checking migration status..."
        docker exec "$CONTAINER_NAME" npx prisma migrate status
        ;;

    prisma-studio)
        log_info "Starting Prisma Studio..."
        log_warn "Make sure DATABASE_URL is set in your environment"
        cd "$SCRIPT_DIR"
        npx prisma studio
        ;;

    db-push)
        log_info "Pushing schema to database (development only)..."
        docker exec "$CONTAINER_NAME" npx prisma db push
        log_success "Schema pushed to database"
        ;;

    db-seed)
        log_info "Seeding database..."
        docker exec "$CONTAINER_NAME" npx prisma db seed
        log_success "Database seeded"
        ;;

    # =========================================================================
    # Development Commands
    # =========================================================================
    shell)
        log_info "Entering $SERVICE_NAME container shell..."
        docker exec -it "$CONTAINER_NAME" sh
        ;;

    dev)
        show_banner
        log_info "Starting development mode..."
        cd "$SCRIPT_DIR"
        npm run start:dev
        ;;

    test)
        show_banner
        log_info "Running tests..."
        cd "$SCRIPT_DIR"
        npm test
        ;;

    test-unit)
        log_info "Running unit tests..."
        cd "$SCRIPT_DIR"
        npm run test:unit
        ;;

    test-integration)
        log_info "Running integration tests..."
        cd "$SCRIPT_DIR"
        npm run test:integration
        ;;

    test-e2e)
        log_info "Running E2E tests..."
        cd "$SCRIPT_DIR"
        npm run test:e2e
        ;;

    lint)
        log_info "Running linter..."
        cd "$SCRIPT_DIR"
        npm run lint
        ;;

    format)
        log_info "Formatting code..."
        cd "$SCRIPT_DIR"
        npm run format
        ;;

    # =========================================================================
    # Cleanup Commands
    # =========================================================================
    clean)
        show_banner
        log_warn "Cleaning $SERVICE_NAME (removing containers)..."
        "$SCRIPT_DIR/deploy.sh" stop
        log_success "$SERVICE_NAME cleaned"
        ;;

    clean-all)
        show_banner
        log_warn "Cleaning $SERVICE_NAME (removing container and image)..."
        docker stop "$CONTAINER_NAME" 2>/dev/null || true
        docker rm "$CONTAINER_NAME" 2>/dev/null || true
        docker rmi "$IMAGE_NAME" 2>/dev/null || true
        log_success "$SERVICE_NAME fully cleaned"
        ;;

    prune)
        show_banner
        log_warn "Pruning unused Docker resources..."
        docker system prune -f
        log_success "Docker resources pruned"
        ;;

    # =========================================================================
    # Info Commands
    # =========================================================================
    info)
        show_banner
        echo -e "${CYAN}Service Information:${NC}"
        echo "  Name:       $SERVICE_NAME"
        echo "  Container:  $CONTAINER_NAME"
        echo "  Image:      $IMAGE_NAME"
        echo "  Port:       $PORT"
        echo "  Health:     $HEALTH_ENDPOINT"
        echo ""
        echo -e "${CYAN}API Endpoints:${NC}"
        echo "  Health:       GET  /api/v1/health"
        echo "  Check Update: GET  /api/v1/versions/check-update"
        echo "  Create:       POST /api/v1/versions"
        echo ""
        echo -e "${CYAN}Environment Files:${NC}"
        echo "  .env.example     - Template"
        echo "  .env.development - Local development"
        echo "  .env.production  - Production (uses variable references)"
        echo "  .env.test        - Testing"
        ;;

    # =========================================================================
    # Help
    # =========================================================================
    *)
        show_banner
        echo "Usage: $0 <command>"
        echo ""
        echo -e "${CYAN}Build Commands:${NC}"
        echo "  build            Build Docker image"
        echo "  build-no-cache   Build Docker image without cache"
        echo ""
        echo -e "${CYAN}Lifecycle Commands:${NC}"
        echo "  start            Start all services (detached)"
        echo "  stop             Stop all services"
        echo "  restart          Restart all services"
        echo "  up               Start all services (foreground)"
        echo "  down             Stop and remove all containers and volumes"
        echo ""
        echo -e "${CYAN}Monitoring Commands:${NC}"
        echo "  logs             Follow service logs"
        echo "  logs-tail        Show last 100 lines of logs"
        echo "  logs-all         Follow all container logs"
        echo "  status           Check service status"
        echo "  health           Check health endpoint"
        echo ""
        echo -e "${CYAN}Database Commands:${NC}"
        echo "  init-db          Create database and run migrations"
        echo "  migrate          Run migrations (production)"
        echo "  migrate-dev      Run migrations (development)"
        echo "  migrate-status   Check migration status"
        echo "  prisma-studio    Open Prisma Studio"
        echo "  db-push          Push schema to database"
        echo "  db-seed          Seed database"
        echo ""
        echo -e "${CYAN}Development Commands:${NC}"
        echo "  shell            Enter container shell"
        echo "  dev              Start in development mode"
        echo "  test             Run all tests"
        echo "  test-unit        Run unit tests"
        echo "  test-integration Run integration tests"
        echo "  test-e2e         Run E2E tests"
        echo "  lint             Run linter"
        echo "  format           Format code"
        echo ""
        echo -e "${CYAN}Cleanup Commands:${NC}"
        echo "  clean            Remove containers"
        echo "  clean-all        Remove containers, volumes, and images"
        echo "  prune            Prune unused Docker resources"
        echo ""
        echo -e "${CYAN}Info Commands:${NC}"
        echo "  info             Show service information"
        exit 1
        ;;
esac