// internal/config/config.go
package config

import (
	"os"
)

// Config holds all configuration for the application
type Config struct {
	Database DatabaseConfig
	JWT      JWTConfig
	Server   ServerConfig
}

// ServerConfig holds server configuration
type ServerConfig struct {
	Port            string
	Environment     string
	UploadPath      string
	MaxUploadSize   int64
	AllowedOrigins  []string
}

// GetConfig returns the application configuration
func GetConfig() *Config {
	return &Config{
		Database: GetDatabaseConfig(),
		JWT:      GetJWTConfig(),
		Server:   GetServerConfig(),
	}
}

// GetServerConfig returns server configuration from environment
func GetServerConfig() ServerConfig {
	port := os.Getenv("PORT")
	if port == "" {
		port = "8080"
	}

	env := os.Getenv("ENVIRONMENT")
	if env == "" {
		env = "development"
	}

	uploadPath := os.Getenv("UPLOAD_PATH")
	if uploadPath == "" {
		uploadPath = "./uploads"
	}

	return ServerConfig{
		Port:           port,
		Environment:    env,
		UploadPath:     uploadPath,
		MaxUploadSize:  10 * 1024 * 1024, // 10MB
		AllowedOrigins: []string{"*"}, // In production, specify exact origins
	}
}

// IsProduction checks if running in production environment
func IsProduction() bool {
	return os.Getenv("ENVIRONMENT") == "production"
}

// IsDevelopment checks if running in development environment
func IsDevelopment() bool {
	return os.Getenv("ENVIRONMENT") != "production"
}