package main

import (
	"fmt"
	"os"
	"strings"
)

var Languages = map[string]map[string]string{
	"en": {
		"fileCountFormat": "%d",
	},

	"de": {
		"fileCountFormat":                         "%d",
		"%s files":                                "%s Dateien",
		"Scanning ":                               "Verarbeite ",
		"Scanning took %s":                        "Verarbeitung dauerte %s",
		"'%s' is not a directory":                 "'%s' ist kein Verzeichnis",
		"The following items will be removed:":    "Die folgenden Elemente werden entfernt:",
		"Files: %d":                               "Dateien: %d",
		"Directories: %d":                         "Ordner: %d",
		"Total size: %s":                          "Gesamtgröße: %s",
		"'%s' could not be found":                 "'%s' konnte nicht gefunden werden",
		"Could not delete '%s': %s":               "'%s' konnte nicht gelöscht werden: %s",
		"Delete files? [y/N/c]: ":                 "Dateien löschen? [y/N/c]: ",
		"ambiguous path: %s":                      "Nicht eindeutiger Pfad: %s",
		"possible paths:\n%s":                     "Mögliche Pfade:\n%s",
		"Commands:":                               "Befehle:",
		"ls: list files":                          "ls: Dateien auflisten",
		"cd: change directory":                    "cd: Verzeichnis wechseln",
		"rm: mark files for removal":              "rm: Markiere Dateien zur Löschung",
		"urm: unmark files for removal":           "urm: Entmarkiere Dateien zur Löschung",
		"exit: delete marked files and exit":      "exit: Lösche markierte Dateien und beende Programm",
		"Use command 'exit' for exiting properly": "Nutze den Befehl 'exit', um das Programm ordnungsgemäß zu beenden",
		"exit? [y/N]: ":                           "Beenden? [y/N]: ",
	},
	"ja": {
		"fileCountFormat":                         "%d個",
		"%s files":                                "%s",
		"Scanning ":                               "処理 ",
		"Scanning took %s":                        "処理が %s かかりました",
		"'%s' is not a directory":                 "「%s」はディレクトリではありません",
		"The following items will be removed:":    "このファイルは削除します:",
		"Files: %d":                               "ファイル: %d",
		"Directories: %d":                         "デイレクトリ: %d",
		"Total size: %s":                          "全額: %s",
		"'%s' could not be found":                 "「%s」が見つかりませんでした",
		"Could not delete '%s': %s":               "「%s」が削除できませんでした: %s",
		"Delete files? [y/N/c]: ":                 "削除してほしいですか？ [y/N/c]: ",
		"ambiguous path: %s":                      "あいまいなパス: %s",
		"possible paths:\n%s":                     "可能なパス:\n%s",
		"Commands:":                               "コマンド:",
		"ls: list files":                          "ls: ファイルを並べます",
		"cd: change directory":                    "cd: ディレクトリを変更",
		"rm: mark files for removal":              "rm: ファイルに削除のマークを付けます",
		"urm: unmark files for removal":           "urm: ファイルに削除のマークを除きます",
		"exit: delete marked files and exit":      "exit: 削除のマークされたファイルを削除して終了",
		"Use command 'exit' for exiting properly": "「exit」コマンドを使って終了します",
		"exit? [y/N]: ":                           "終了してほしいですか？ [y/N]: ",
	},
}

var langmap map[string]string

func Translate(str string, args ...interface{}) string {
	if langmap == nil {
		langVar, _ := os.LookupEnv("LANG")
		langmap = map[string]string{}
		for lname, lmap := range Languages {
			if strings.HasPrefix(langVar, lname) {
				langmap = lmap
			}
		}
	}

	if translatedText, ok := langmap[str]; ok {
		return fmt.Sprintf(translatedText, args...)
	}
	return fmt.Sprintf(str, args...)
}