package config

import (
	"log"
	"os"
)

type Config struct {
	APIKey      string
	DefaultCity string
	DBHost      string
	DBPort      string
	DBUser      string
	DBPassword  string
	DBName      string
}

func GetEnv(key string) string {
	val := os.Getenv(key)
	if val == "" {
		log.Fatalf("missing required env var: %s", key)
	}
	return val
}

func Load() *Config {
	return &Config{
		APIKey:      GetEnv("OPENWEATHERMAP_API_KEY"),
		DefaultCity: GetEnv("WEATHER_CITY"),
		DBHost:      GetEnv("DB_HOST"),
		DBPort:      GetEnv("DB_PORT"),
		DBUser:      GetEnv("DB_USER"),
		DBPassword:  GetEnv("DB_PASSWORD"),
		DBName:      GetEnv("DB_NAME"),
	}
}