package main

import (
	"context"
	"fmt"
	"log"
	"os"
	"time"

	"github.com/timetracker/backend/internal/models"
	"gorm.io/gorm/logger"
)

func main() {
	// Parse command line flags
	force := false
	for _, arg := range os.Args[1:] {
		if arg == "--force" || arg == "-f" {
			force = true
		}
	}

	// Get database configuration with sensible defaults
	dbConfig := models.DefaultDatabaseConfig()

	// Override with environment variables if provided
	if host := os.Getenv("DB_HOST"); host != "" {
		dbConfig.Host = host
	}
	if port := os.Getenv("DB_PORT"); port != "" {
		var portInt int
		if _, err := fmt.Sscanf(port, "%d", &portInt); err == nil && portInt > 0 {
			dbConfig.Port = portInt
		}
	}
	if user := os.Getenv("DB_USER"); user != "" {
		dbConfig.User = user
	}
	if password := os.Getenv("DB_PASSWORD"); password != "" {
		dbConfig.Password = password
	}
	if dbName := os.Getenv("DB_NAME"); dbName != "" {
		dbConfig.DBName = dbName
	}
	if sslMode := os.Getenv("DB_SSLMODE"); sslMode != "" {
		dbConfig.SSLMode = sslMode
	}

	// Set log level
	dbConfig.LogLevel = logger.Info

	// Initialize database
	fmt.Println("Connecting to database...")
	if err := models.InitDB(dbConfig); err != nil {
		log.Fatalf("Error initializing database: %v", err)
	}
	defer func() {
		if err := models.CloseDB(); err != nil {
			log.Printf("Error closing database connection: %v", err)
		}
	}()
	fmt.Println("✓ Database connection successful")

	// Create context with timeout
	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
	defer cancel()

	// Check if we need to seed (e.g., no companies exist)
	if !force {
		var count int64
		db := models.GetEngine(ctx)
		if err := db.Model(&models.Company{}).Count(&count).Error; err != nil {
			log.Fatalf("Error checking if seeding is needed: %v", err)
		}

		// If data already exists, skip seeding
		if count > 0 {
			fmt.Println("Database already contains data. Use --force to override.")
			return
		}
	}

	// Seed the database
	fmt.Println("Seeding database with initial data...")
	if err := models.SeedDB(ctx); err != nil {
		log.Fatalf("Error seeding database: %v", err)
	}
	fmt.Println("✓ Database seeding completed successfully")
}