package config

import (
	"log"
	"os"

	"github.com/spf13/viper"
)

func ConfigDir() string {
	env := os.Getenv("CONFIG_PATH")
	if env != "" {
		return env
	}
	return "."
}

func Init() {
	// Read global config
	viper.SetConfigName("config")
	viper.SetConfigType("yaml")
	viper.AddConfigPath(ConfigDir())

	// Bind ENV
	viper.BindEnv("server.address", "SERVER_ADDRESS")
	viper.BindEnv("server.debug_mode", "SERVER_DEBUG_MODE")
	viper.BindEnv("server.file_logger", "SERVER_FILE_LOGGER")
	viper.BindEnv("server.jwt_secret", "SERVER_JWT_SECRET")
	viper.BindEnv("database.type", "DATABASE_TYPE")
	viper.BindEnv("database.host", "DATABASE_HOST")
	viper.BindEnv("database.name", "DATABASE_NAME")
	viper.BindEnv("database.username", "DATABASE_USERNAME")
	viper.BindEnv("database.password", "DATABASE_PASSWORD")

	conf := &config{}
	if err := viper.ReadInConfig(); err != nil {
		// Dont generate config when using dev mode
		log.Fatalln("Can't read config!")
	}
	if err := viper.Unmarshal(conf); err != nil {
		log.Fatal(err)
	}
}