lang.go

package lang

import (
	"fmt"

	"github.com/g45t345rt/g45w/assets"
)

type Lang struct {
	Key     string
	Name    string
	ImgPath string
}

// don't use map[string] the ordering is not guaranteed
var Languages = []Lang{
	{Key: "en", Name: "English", ImgPath: "lang/en.png"},               //@lang.Translate("English")
	{Key: "fr", Name: "French", ImgPath: "lang/fr.png"},                //@lang.Translate("French")
	{Key: "es", Name: "Spanish", ImgPath: "lang/es.png"},               //@lang.Translate("Spanish")
	{Key: "it", Name: "Italian", ImgPath: "lang/it.png"},               //@lang.Translate("Italian")
	{Key: "nl", Name: "Dutch", ImgPath: "lang/nl.png"},                 //@lang.Translate("Dutch")
	{Key: "de", Name: "German", ImgPath: "lang/de.png"},                //@lang.Translate("German")
	{Key: "ru", Name: "Russian", ImgPath: "lang/ru.png"},               //@lang.Translate("Russian")
	{Key: "pt", Name: "Portuguese", ImgPath: "lang/pt.png"},            //@lang.Translate("Portuguese")
	{Key: "ro", Name: "Romanian", ImgPath: "lang/ro.png"},              //@lang.Translate("Romanian")
	{Key: "jp", Name: "Japanese", ImgPath: "lang/jp.png"},              //@lang.Translate("Japanese")
	{Key: "ko", Name: "Korean", ImgPath: "lang/ko.png"},                //@lang.Translate("Korean")
	{Key: "zh_s", Name: "Chinese Simplified", ImgPath: "lang/zh.png"},  //@lang.Translate("Chinese Simplified")
	{Key: "zh_t", Name: "Chinese Traditional", ImgPath: "lang/zh.png"}, //@lang.Translate("Chinese Traditional")
}

var langValues = make(map[string]map[string]string)

var Current string

func Get(key string) *Lang {
	for _, lang := range Languages {
		if lang.Key == key {
			return &lang
		}
	}

	return nil
}

func Load() error {
	for _, lang := range Languages {
		if lang.Key == "en" {
			continue
		}

		values, err := assets.GetLang(fmt.Sprintf("%s.json", lang.Key))
		if err != nil {
			return err
		}
		langValues[lang.Key] = values
	}

	return nil
}

func Translate(eng string) string {
	values, ok := langValues[Current]
	if !ok {
		return eng
	}

	value, ok := values[eng]
	if !ok {
		return eng
	}

	if value == "" {
		return eng
	}

	return value
}