diff --git a/src/index.ts b/src/index.ts
index 8c0508d..72fccba 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,89 +1,198 @@
-// TODO file handle?
-import { FileHandle, open } from 'fs/promises'; 
-// const file = await fsPromise.open('./words.txt', 'r');
-const TOC_PREFIX_TAG = '## '
-const TOC_PREFIX_COMMENT = '#'
-const TOC_TAG_SEPARATOR = ':'
-const TOC_LINE_MAX_LENGTH = 1024
+/*
+https://wowwiki-archive.fandom.com/wiki/TOC_format
+https://wowpedia.fandom.com/wiki/TOC_format
+*/
+import { FileHandle } from 'fs/promises';
+export const TOC_PREFIX_TAG = '## '
+export const TOC_PREFIX_COMMENT = '#'
+export const TOC_TAG_DELIMITER = ':'
+export const TOC_LINE_MAX_LENGTH = 1024
 
-export type TOC = {/*interface: number, title: string, titleLocalized: Record<string,string>, xTags: Record<string, string>,*/ allTags: Record<string, string>,files: string[]}
+export const TOC_TAG_NAME_INTERFACE = 'Interface'
+export const TOC_TAG_NAME_TITLE = 'Title'
+export const TOC_TAG_NAME_NOTES = 'Notes'
+export const TOC_TAG_NAME_ICONTEXTURE = 'IconTexture'
+export const TOC_TAG_NAME_ICONATLAS = 'IconAtlas'
+export const TOC_TAG_NAME_ADDONCOMPARTMENTFUNC = 'AddonCompartmentFunc'
+export const TOC_TAG_NAME_ADDONCOMPARTMENTFUNCONENTER = 'AddonCompartmentFuncOnEnter'
+export const TOC_TAG_NAME_ADDONCOMPARTMENTFUNCONLEAVE = 'AddonCompartmentFuncOnLeave'
+export const TOC_TAG_NAME_LOADONDEMAND = 'LoadOnDemand'
+export const TOC_TAG_NAME_OPTIONALDEPS = 'OptionalDeps'
+export const TOC_TAG_NAME_LOADWITH = 'LoadWith'
+export const TOC_TAG_NAME_LOADMANAGERS = 'LoadManagers'
+export const TOC_TAG_NAME_DEFAULTSTATE = 'DefaultState'
+export const TOC_TAG_NAME_SAVEDVARIABLES = 'SavedVariables'
+export const TOC_TAG_NAME_SAVEDVARIABESPERCHARACTER = 'SavedVariablesPerCharacter'
+export const TOC_TAG_NAME_AUTHOR = 'Author'
+export const TOC_TAG_NAME_VERSION = 'Version'
 
-export const parse = async function(file: FileHandle, strict = true) {
-  const result: TOC = {
-    // interface: 0,
-    // title: '',
-    // titleLocalized: {},
-    // xTags: {},
-    allTags: {},
-    files: [],
+export const TOC_TAG_PREFIX_TITLELOCALIZED = 'title-'
+export const TOC_TAG_PREFIX_NOTESLOCALIZED = 'notes-'
+export const TOC_TAG_PREFIX_DEP = 'dep'
+export const TOC_TAG_PREFIX_X = 'x-'
+
+export const TOC_TAG_LIST_DELIMITER = ','
+
+export const TOC_TAG_VALUE_LOADONDEMAND = '1'
+export const TOC_TAG_VALUE_DEFAULTSTATE_DISABLED = 'disabled'
+
+export enum WOW_LOCALES {
+  frFR = 'frFR',
+  deDE = 'deDE',
+  enGB = 'enGB',
+  enUS = 'enUS',
+  itIT = 'itIT',
+  koKR = 'koKR',
+  zhCN = 'zhCN',
+  zhTW = 'zhTW',
+  ruRU = 'ruRU',
+  esES = 'esES',
+  esMX = 'esMX',
+  ptBR = 'ptBR',
+}
+
+export class TOC {
+  Interface: number | null = null
+  Title: string | null = null
+  TitleLocalized: Partial<Record<WOW_LOCALES,string>> = {}
+  Notes: string | null = null
+  NotesLocalized: Partial<Record<WOW_LOCALES,string>> = {}
+  IconTexture: string | null = null
+  IconAtlas: string | null = null
+  AddonCompartmentFunc: string | null = null
+  AddonCompartmentFuncOnEnter: string | null = null
+  AddonCompartmentFuncOnLeave: string | null = null
+  LoadOnDemand: boolean = false
+  Dependencies: string[] = []
+  OptionalDeps: string[] = []
+  LoadWith: string[] = []
+  LoadManagers: string[] = []
+  DefaultState: boolean = true
+  SavedVariables: string[] = []
+  SavedVariablesPerCharacter: string[] = []
+  Author: string | null = null
+  Version: string | null = null
+  xTags: Record<string, string> = {}
+  files: string[] = []
+
+  /*
+  toString(){
+    var result: string[] = [];
+    for(const tag in toc.allTags) {
+      result.push(`${TOC_PREFIX_TAG}${tag}${TOC_TAG_SEPARATOR} ${toc.allTags[tag]}`)
+    }
+    result.concat(this.files)
+    return result.join('\n');
   };
+  */
+}
+
+// import { open } from 'fs/promises';
+// const file = await open('./words.txt', 'r');
+export const parse = async function(file: FileHandle, strict = true) {
+  const result = new TOC();
+  const allTags: Record<string, string> = {}
   for await (const line of file.readLines()) {
     if (strict && line.length > TOC_LINE_MAX_LENGTH) {
       throw new Error('Line is longer than TOC_LINE_MAX_LENGTH characters, WoW will truncate!');
     }
 
     if (line.slice(0, TOC_PREFIX_TAG.length) === TOC_PREFIX_TAG) {
-      const tagData = line.slice(TOC_PREFIX_TAG.length+1).split(TOC_TAG_SEPARATOR)
+      const tagData = line.slice(TOC_PREFIX_TAG.length+1).split(TOC_TAG_DELIMITER)
       if(tagData.length !== 2){
-        throw new Error(`Tag could not be parsed: ${tagData}`)
+        if(strict){
+          throw new Error(`Tag could not be parsed: ${tagData}`)
+        } else {
+          continue
+        }
       }
 
       const tagName = tagData[0].trim()
       const tagValue = tagData[1].trim()
-      if(strict && result.allTags[tagName]){
+      if(strict && allTags[tagName]){
         throw new Error(`Duplicate value: ${tagName}`)
       }
 
-      result.allTags[tagName] = tagValue;
+      allTags[tagName] = tagValue;
 
-      // specific tags
-      /*switch(tagName.toLowerCase()){
-        case 'interface': 
-          result.interface = Number(tagValue)
+      switch(tagName.toLowerCase()){
+        case TOC_TAG_NAME_INTERFACE.toLowerCase():
+          result.Interface = Number(tagValue)
           break;
-        case 'title':
-          result.title
+        case TOC_TAG_NAME_TITLE.toLowerCase():
+          result.Title = tagValue  
           break;
-      }*/
-
-      // 
+        case TOC_TAG_NAME_NOTES.toLocaleLowerCase():
+          result.Notes = tagValue  
+          break
+        case TOC_TAG_NAME_ICONTEXTURE.toLowerCase():
+          result.IconTexture = tagValue
+          break
+        case TOC_TAG_NAME_ICONATLAS.toLowerCase():
+          result.IconAtlas = tagValue
+          break
+        case TOC_TAG_NAME_ADDONCOMPARTMENTFUNC.toLowerCase():
+          result.AddonCompartmentFunc = tagValue
+          break
+        case TOC_TAG_NAME_ADDONCOMPARTMENTFUNCONENTER.toLowerCase():
+          result.AddonCompartmentFuncOnEnter = tagValue
+          break
+        case TOC_TAG_NAME_ADDONCOMPARTMENTFUNCONLEAVE.toLowerCase():
+          result.AddonCompartmentFuncOnLeave = tagValue
+          break
+        case TOC_TAG_NAME_LOADONDEMAND.toLowerCase():
+          result.LoadOnDemand = tagValue === TOC_TAG_VALUE_LOADONDEMAND
+          break
+        case TOC_TAG_NAME_OPTIONALDEPS.toLowerCase():
+          result.OptionalDeps = tagValue.split(TOC_TAG_LIST_DELIMITER).map((s) => s.trim())
+          break
+        case TOC_TAG_NAME_LOADWITH.toLowerCase():
+          result.LoadWith = tagValue.split(TOC_TAG_LIST_DELIMITER).map((s) => s.trim())
+          break
+        case TOC_TAG_NAME_LOADMANAGERS.toLowerCase():
+          result.LoadManagers = tagValue.split(TOC_TAG_LIST_DELIMITER).map((s) => s.trim())
+          break
+        case TOC_TAG_NAME_DEFAULTSTATE.toLowerCase():
+          result.DefaultState = tagValue.toLowerCase() !== TOC_TAG_VALUE_DEFAULTSTATE_DISABLED
+          break
+        case TOC_TAG_NAME_SAVEDVARIABLES.toLowerCase():
+          result.SavedVariables = tagValue.split(TOC_TAG_LIST_DELIMITER).map((s) => s.trim())
+          break
+        case TOC_TAG_NAME_SAVEDVARIABESPERCHARACTER.toLowerCase():
+          result.SavedVariablesPerCharacter = tagValue.split(TOC_TAG_LIST_DELIMITER).map((s) => s.trim())
+          break
+        case TOC_TAG_NAME_AUTHOR.toLowerCase():
+          result.Author = tagValue
+          break
+        case TOC_TAG_NAME_VERSION.toLowerCase():
+          result.Version = tagValue
+          break
+        default:
+          if(tagName.toLowerCase().startsWith(TOC_TAG_PREFIX_TITLELOCALIZED) && tagName.length === TOC_TAG_PREFIX_TITLELOCALIZED.length+4){
+            const locale = tagName.slice(TOC_TAG_PREFIX_TITLELOCALIZED.length,TOC_TAG_PREFIX_TITLELOCALIZED.length+4)
+            if(Object.keys(WOW_LOCALES).includes(locale)){
+              result.TitleLocalized[locale as WOW_LOCALES] = tagValue
+            } else if(strict){
+              throw new Error(`locale not found ${locale}`)
+            }
+          } else if(tagName.toLowerCase().startsWith(TOC_TAG_PREFIX_NOTESLOCALIZED) && tagName.length === TOC_TAG_PREFIX_NOTESLOCALIZED.length+4){
+            const locale = tagName.slice(TOC_TAG_PREFIX_NOTESLOCALIZED.length,TOC_TAG_PREFIX_NOTESLOCALIZED.length+4)
+            if(Object.keys(WOW_LOCALES).includes(locale)){
+              result.NotesLocalized[locale as WOW_LOCALES] = tagValue
+            } else if(strict){
+              throw new Error(`locale not found ${locale}`)
+            }
+          } else if(tagName.toLowerCase().startsWith(TOC_TAG_PREFIX_DEP)){
+            result.Dependencies = tagValue.split(TOC_TAG_LIST_DELIMITER).map((s) => s.trim())
+          } else if(tagName.toLowerCase().startsWith(TOC_TAG_PREFIX_X)){
+            result.xTags[tagName.slice(TOC_TAG_PREFIX_X.length)] = tagValue
+          } else if(strict){
+            throw new Error(`Unknown Tag name: ${tagName}`)
+          }
+      }
     } else if (line.slice(0, 1) !== TOC_PREFIX_COMMENT && !line.trim()) {
-      result.files.push(line.trimEnd()));
+      result.files.push(line.trimEnd());
     } 
   }
   return result;
 };
-
-/*
-https://wowpedia.fandom.com/wiki/TOC_format
-## Interface: 100007
-## Title: Waiting for Godot
-## Title-frFR: En attendant Godot
-## Notes: This word is |cFFFF0000red|r
-## IconTexture: Interface\Icons\TEMP
-## IconAtlas: TaskPOI-Icon
-// ## AddonCompartmentFunc: MyAddon_OnAddonCompartmentClick
-// ## AddonCompartmentFuncOnEnter: MyAddon_OnAddonCompartmentEnter
-// ## AddonCompartmentFuncOnLeave: MyAddon_OnAddonCompartmentLeave
-## LoadOnDemand: 1
-## Dependencies: someAddOn, someOtherAddOn
-## OptionalDeps: someAddOn, someOtherAddOn
-## LoadWith: someAddOn, someOtherAddOn
-// ## LoadManagers: someAddOn, someOtherAddOn
-## DefaultState: disabled
-## SavedVariables: MyAddOnNameFoo, MyAddOnNameBar
-## SavedVariablesPerCharacter: MyAddOnNameAnotherVariable
-## Author
-## Version
-## X-_____
-
-*/
-
-export const stringify = function(toc: TOC) {
-  var result: string[] = [];
-  for(const tag in toc.allTags) {
-    result.push(`${TOC_PREFIX_TAG}${tag}${TOC_TAG_SEPARATOR} ${toc.allTags[tag]}`)
-  }
-  result.concat(toc.files)
-  return result.join('\n');
-};