package config

import (
	"fmt"
	"os"
)

type Config struct {
	ServerPort       string
	JWTSecret        string
	UploadPath       string
	DatabaseHost     string
	DatabasePort     string
	DatabaseUser     string
	DatabasePassword string
	DatabaseName     string
}

func LoadConfig() *Config {
	return &Config{
		ServerPort:       getEnv("SERVER_PORT", "8080"),
		DatabaseHost:     getEnv("DATABASE_HOST", "localhost"),
		DatabasePort:     getEnv("DATABASE_PORT", "5432"),
		DatabaseUser:     getEnv("DATABASE_USER", "postgres"),
		DatabasePassword: getEnv("DATABASE_PASSWORD", "password"),
		DatabaseName:     getEnv("DATABASE_NAME", "bookmann"),
		JWTSecret:        getEnv("JWT_SECRET", "your-secret-key"),
		UploadPath:       getEnv("UPLOAD_PATH", "./uploads"),
	}
}

func (c *Config) DatabaseURL() string {
	return fmt.Sprintf("postgres://%s:%s@%s:%s/%s?sslmode=disable",
		c.DatabaseUser, c.DatabasePassword, c.DatabaseHost, c.DatabasePort, c.DatabaseName)
}

func getEnv(key, defaultValue string) string {
	if value := os.Getenv(key); value != "" {
		return value
	}
	return defaultValue
}