package config

import (
	"github.com/joho/godotenv"
	"github.com/spf13/viper"
	"log"
)

type Config struct {
	App struct {
		Port int
	}
	Redis struct {
		Host     string
		Port     int
		DB       int
		Password string
	}
	Hydra struct {
		Host     string
		Password string
	}
}

var Cfg *Config

func Init() {
	err := godotenv.Load()
	if err != nil {
		log.Println("Error loading .env file")
	}
	viper.SetConfigName("config")
	viper.SetConfigType("yaml")
	viper.AddConfigPath(".")

	err = viper.ReadInConfig()
	if err != nil {
		log.Fatalf("Error reading config file, %s", err)
	}

	viper.AutomaticEnv()
	var config Config

	_ = viper.BindEnv("redis.password", "REDIS_PASSWORD")
	_ = viper.BindEnv("hydra.password", "HYDRA_PASSWORD")

	err = viper.Unmarshal(&config)
	if err != nil {
		log.Fatalf("Unable to decode config into struct, %v", err)
	}
	Cfg = &config
}