package configs

import (
	"cybertron/pkg/log"
	"strconv"
	"strings"

	"github.com/spf13/viper"
)

func getInt(key string, required bool) int {
	if required {
		checkKey(key)
	}

	return viper.GetInt(key)
}

func getString(key string, required bool) string {
	if required {
		checkKey(key)
	}

	return viper.GetString(key)
}

func getBool(key string, required bool) bool {
	if required {
		checkKey(key)
	}

	return viper.GetBool(key)
}

func getFloatSlice(key string, required bool) []float64 {

	stringValues := getStringSlice(key, required)
	var floatValues []float64
	for _, val := range stringValues {
		floatVal, err := strconv.ParseFloat(val, 64)
		if err != nil {
			log.Panic("config value is not float type, err : " + err.Error())
		}
		floatValues = append(floatValues, floatVal)
	}

	return floatValues
}

func checkKey(key string) {
	if !viper.IsSet(key) {
		log.Panic("Missing key: " + key)
	}
}

func getStringSlice(key string, required bool) []string {
	if required {
		checkKey(key)
	}

	stringValue := viper.GetString(key)
	return strings.Split(stringValue, ",")
}