package config

import (
	"os"
	"strconv"
	"time"
)

type Config struct {
	Server struct {
		Hostname string
		Port     string
		Mode     string // gin.Mode: debug, release, test
	}
	JWT struct {
		Secret string
	}
	Sync struct {
		Interval time.Duration
	}
	Admin struct {
		Email    string
		Password string
	}
	SheetsDirectory string
	ConfigDirectory string
}

var AppConfig *Config

func Load() {
	cfg := &Config{}

	// Server configuration
	cfg.Server.Hostname = getEnv("SERVER_HOSTNAME", "127.0.0.1")
	cfg.Server.Port = getEnv("SERVER_PORT", "8080")
	cfg.Server.Mode = getEnv("GIN_MODE", "debug")

	// JWT configuration
	cfg.JWT.Secret = getEnv("JWT_SECRET", "sheetless-default-jwt-secret-please-change")

	// Sync configuration
	syncMinutes := getEnvInt("SYNC_INTERVAL_MINUTES", 1)
	cfg.Sync.Interval = time.Duration(syncMinutes) * time.Minute

	// Admin configuration
	cfg.Admin.Email = getEnv("ADMIN_EMAIL", "admin@admin.com")
	cfg.Admin.Password = getEnv("ADMIN_PASSWORD", "sheetless")

	cfg.SheetsDirectory = getEnv("SHEETS_DIRECTORY", "./sheets_directory")
	cfg.ConfigDirectory = getEnv("CONFIG_DIRECTORY", "./config_directory")

	AppConfig = cfg
}

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

func getEnvInt(key string, defaultValue int) int {
	if value := os.Getenv(key); value != "" {
		if intValue, err := strconv.Atoi(value); err == nil {
			return intValue
		}
	}
	return defaultValue
}