package i18n

import (
	"encoding/json"
	"fmt"
	"io/fs"
	"pms-api-go/pkg/configs"
	"pms-api-go/pkg/utils"
	"pms-api-go/web"

	"github.com/nicksnyder/go-i18n/v2/i18n"
	"github.com/sirupsen/logrus"
	"golang.org/x/text/language"
)

var i18nBundle *i18n.Bundle

func InitBundle() {
	i18nBundle = i18n.NewBundle(language.English)
	i18nBundle.RegisterUnmarshalFunc("json", json.Unmarshal)
	files := []string{"zh_CN", "en_US"}
	for _, file := range files {
		filePath := fmt.Sprintf("%s/%s.json", configs.ConfigGlobal.I18nPath, file)
		if utils.PathExists(filePath) {
			_, err := i18nBundle.LoadMessageFile(filePath)
			if err != nil {
				logrus.Errorf("load i18n file %+v", err)
			}
			continue
		}

		buf, err := fs.ReadFile(web.ResourcesFiles, fmt.Sprintf("resources/%s.json", file))
		if err != nil {
			if err != nil {
				logrus.Errorf("load i18n file %+v", err)
			}
			continue
		}
		i18nBundle.ParseMessageFileBytes(buf, fmt.Sprintf("resources/%s.json", file))
	}
}

func Message(lang string, id string) string {
	localizer := i18n.NewLocalizer(i18nBundle, lang)
	result, err := localizer.Localize(&i18n.LocalizeConfig{
		DefaultMessage: &i18n.Message{
			ID: id,
		},
	})
	if err != nil {
		// lfshook.NewLogger().Warn(err)
		return id
	}
	return result
}

// func (b *i18n.Bundle) LoadMessageFileFS(fsys fs.FS, path string) (*i18n.MessageFile, error) {
// 	buf, err := fs.ReadFile(fsys, path)
// 	if err != nil {
// 		return nil, err
// 	}

// 	return b.ParseMessageFileBytes(buf, path)
// }