"use strict";
// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
Object.defineProperty(exports, "__esModule", { value: true });
const ste_events_1 = require("ste-events");
const StorageUtilities_1 = require("../storage/StorageUtilities");
const Utilities_1 = require("../core/Utilities");
class Lang {
    _file;
    _containerName;
    _language;
    _isLoaded = false;
    tokens = {};
    _onLoaded = new ste_events_1.EventDispatcher();
    get isLoaded() {
        return this._isLoaded;
    }
    get file() {
        return this._file;
    }
    set file(newFile) {
        this._file = newFile;
    }
    get onLoaded() {
        return this._onLoaded.asEvent();
    }
    get containerName() {
        return this._containerName;
    }
    get language() {
        return this._language;
    }
    getLocKeys() {
        return Object.keys(this.tokens);
    }
    static async ensureOnFile(file, loadHandler) {
        let lang;
        if (file.manager === undefined) {
            lang = new Lang();
            lang.file = file;
            file.manager = lang;
        }
        if (file.manager !== undefined && file.manager instanceof Lang) {
            lang = file.manager;
            if (!lang.isLoaded) {
                if (loadHandler) {
                    lang.onLoaded.subscribe(loadHandler);
                }
                await lang.load();
            }
        }
        return lang;
    }
    persist() {
        if (this._file === undefined) {
            return;
        }
        let content = this._file.content;
        if (content === undefined || content === null || content instanceof Uint8Array) {
            content = "";
        }
        for (const tokName in this.tokens) {
            const tok = this.tokens[tokName];
            if (tok && tok.isModified) {
                const tokStart = content.indexOf(tokName + "=");
                if (tokStart >= 0) {
                    const tokEndR = content.indexOf("\r", tokStart + tokName.length + 1);
                    let tokEnd = content.indexOf("\n", tokStart + tokName.length + 1);
                    if (tokEndR > tokStart && tokEndR === tokEnd - 1) {
                        tokEnd = tokEndR;
                    }
                    if (tokEnd < 0) {
                        tokEnd = content.length;
                    }
                    content = content.substring(0, tokStart + tokName.length + 1) + tok.value + content.substring(tokEnd);
                }
                else {
                    // Try to insert a new token into areas that are similarly named.
                    const periodInName = tokName.lastIndexOf(".");
                    let wasInserted = false;
                    if (periodInName >= 0) {
                        const findSimilar = content.lastIndexOf("\n" + tokName.substring(0, periodInName + 1));
                        if (findSimilar >= 0) {
                            content =
                                content.substring(0, findSimilar + 1) +
                                    tokName +
                                    "=" +
                                    tok.value +
                                    "\n" +
                                    content.substring(findSimilar + 1);
                            wasInserted = true;
                        }
                    }
                    if (!wasInserted) {
                        content += "\n" + tokName + "=" + tok.value;
                    }
                }
                tok.isModified = false;
            }
        }
        this._file.setContent(content);
    }
    async save() {
        if (this._file === undefined) {
            return;
        }
        this.persist();
        await this._file.saveContent(false);
    }
    async load() {
        if (this._file === undefined || this._isLoaded) {
            return;
        }
        if (!this._file.isContentLoaded) {
            await this._file.loadContent();
        }
        if (this._file.content === null || this._file.content instanceof Uint8Array) {
            return;
        }
        const content = this._file.content;
        this._language = StorageUtilities_1.default.getBaseFromName(this._file.name);
        let dir = this._file.parentFolder;
        if (dir) {
            if (dir.name === "texts" && dir.parentFolder) {
                dir = dir.parentFolder;
            }
            if (dir.name === "" && !dir.parentFolder && dir.storage.name) {
                this._containerName = dir.storage.name;
            }
            else {
                this._containerName = dir.name;
            }
        }
        const lines = content.split("\n");
        for (let line of lines) {
            line = line.trim();
            const lastEqual = line.indexOf("=");
            if (lastEqual > 0 && lastEqual < line.length - 1) {
                const tokenName = line.substring(0, lastEqual);
                let tokenVal = line.substring(lastEqual + 1);
                let comment = undefined;
                let lastHash = tokenVal.indexOf("#");
                if (lastHash >= 0) {
                    comment = tokenVal.substring(lastHash + 1);
                    tokenVal = tokenVal.substring(0, lastHash).trim();
                }
                if (Utilities_1.default.isUsableAsObjectKey(tokenName)) {
                    this.tokens[tokenName] = {
                        value: tokenVal,
                        comment: comment,
                        isModified: false,
                    };
                }
            }
        }
        this._isLoaded = true;
    }
}
exports.default = Lang;

//# sourceMappingURL=../maps/minecraft/Lang.js.map
