/*
* Author: RSK World
* Email: help@rskworld.in / support@rskworld.in
* Website: https://rskworld.in/contact.php
* Year: 2026
*/

package config

import (
	"log"
	"os"

	"github.com/joho/godotenv"
)

type Config struct {
	DBHost         string
	DBUser         string
	DBPassword     string
	DBName         string
	DBPort         string
	JWTSecret      string
	Port           string
	UploadPath     string
	MaxFileSize    int64
	AllowedTypes   []string
	RedisHost      string
	RedisPort      string
	RedisPassword  string
	RedisDB        int
	CacheEnabled   bool
}

func LoadConfig() *Config {
	err := godotenv.Load()
	if err != nil {
		log.Println("Warning: Error loading .env file")
	}

	return &Config{
		DBHost:        getEnv("DB_HOST", "localhost"),
		DBUser:        getEnv("DB_USER", "postgres"),
		DBPassword:    getEnv("DB_PASSWORD", "postgres"),
		DBName:        getEnv("DB_NAME", "gorestapi"),
		DBPort:        getEnv("DB_PORT", "5432"),
		JWTSecret:     getEnv("JWT_SECRET", "supersecretkey2026rskworld"),
		Port:          getEnv("PORT", "8080"),
		UploadPath:    getEnv("UPLOAD_PATH", "./uploads"),
		MaxFileSize:   5 * 1024 * 1024, // 5MB default
		AllowedTypes:  []string{"image/jpeg", "image/jpg", "image/png", "image/gif", "image/webp"},
		RedisHost:     getEnv("REDIS_HOST", "localhost"),
		RedisPort:     getEnv("REDIS_PORT", "6379"),
		RedisPassword: getEnv("REDIS_PASSWORD", ""),
		RedisDB:       0,
		CacheEnabled:  getEnv("CACHE_ENABLED", "false") == "true",
	}
}

func getEnv(key, fallback string) string {
	if value, ok := os.LookupEnv(key); ok {
		return value
	}
	return fallback
}