/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/
'use strict';
Object.defineProperty(exports, "__esModule", { value: true });
const es = require("event-stream");
const fs = require("fs");
const gulp = require("gulp");
const bom = require("gulp-bom");
const sourcemaps = require("gulp-sourcemaps");
const tsb = require("gulp-tsb");
const path = require("path");
const _ = require("underscore");
const monacodts = require("../monaco/api");
const nls = require("./nls");
const reporter_1 = require("./reporter");
const util = require("./util");
const util2 = require("gulp-util");
const watch = require('./watch');
const reporter = reporter_1.createReporter();
function getTypeScriptCompilerOptions(src) {
    const rootDir = path.join(__dirname, `../../${src}`);
    const tsconfig = require(`../../${src}/tsconfig.json`);
    let options;
    if (tsconfig.extends) {
        options = Object.assign({}, require(path.join(rootDir, tsconfig.extends)).compilerOptions, tsconfig.compilerOptions);
    }
    else {
        options = tsconfig.compilerOptions;
    }
    options.verbose = false;
    options.sourceMap = true;
    if (process.env['VSCODE_NO_SOURCEMAP']) { // To be used by developers in a hurry
        options.sourceMap = false;
    }
    options.rootDir = rootDir;
    options.baseUrl = rootDir;
    options.sourceRoot = util.toFileUri(rootDir);
    options.newLine = /\r\n/.test(fs.readFileSync(__filename, 'utf8')) ? 'CRLF' : 'LF';
    return options;
}
function createCompile(src, build, emitError) {
    const opts = _.clone(getTypeScriptCompilerOptions(src));
    opts.inlineSources = !!build;
    opts.noFilesystemLookup = true;
    const ts = tsb.create(opts, true, undefined, err => reporter(err.toString()));
    return function (token) {
        const utf8Filter = util.filter(data => /(\/|\\)test(\/|\\).*utf8/.test(data.path));
        const tsFilter = util.filter(data => /\.ts$/.test(data.path));
        const noDeclarationsFilter = util.filter(data => !(/\.d\.ts$/.test(data.path)));
        const input = es.through();
        const output = input
            .pipe(utf8Filter)
            .pipe(bom())
            .pipe(utf8Filter.restore)
            .pipe(tsFilter)
            .pipe(util.loadSourcemaps())
            .pipe(ts(token))
            .pipe(noDeclarationsFilter)
            .pipe(build ? nls() : es.through())
            .pipe(noDeclarationsFilter.restore)
            .pipe(sourcemaps.write('.', {
            addComment: false,
            includeContent: !!build,
            sourceRoot: opts.sourceRoot
        }))
            .pipe(tsFilter.restore)
            .pipe(reporter.end(!!emitError));
        return es.duplex(input, output);
    };
}
const typesDts = [
    'node_modules/typescript/lib/*.d.ts',
    'node_modules/@types/**/*.d.ts',
    '!node_modules/@types/webpack/**/*',
    '!node_modules/@types/uglify-js/**/*',
];
function compileTask(src, out, build) {
    return function () {
        const compile = createCompile(src, build, true);
        const srcPipe = es.merge(gulp.src(`${src}/**`, { base: `${src}` }), gulp.src(typesDts));
        let generator = new MonacoGenerator(false);
        if (src === 'src') {
            generator.execute();
        }
        return srcPipe
            .pipe(generator.stream)
            .pipe(compile())
            .pipe(gulp.dest(out));
    };
}
exports.compileTask = compileTask;
function watchTask(out, build) {
    return function () {
        const compile = createCompile('src', build);
        const src = es.merge(gulp.src('src/**', { base: 'src' }), gulp.src(typesDts));
        const watchSrc = watch('src/**', { base: 'src' });
        let generator = new MonacoGenerator(true);
        generator.execute();
        return watchSrc
            .pipe(generator.stream)
            .pipe(util.incremental(compile, src, true))
            .pipe(gulp.dest(out));
    };
}
exports.watchTask = watchTask;
const REPO_SRC_FOLDER = path.join(__dirname, '../../src');
class MonacoGenerator {
    constructor(isWatch) {
        this._executeSoonTimer = null;
        this._isWatch = isWatch;
        this.stream = es.through();
        this._watchers = [];
        this._watchedFiles = {};
        let onWillReadFile = (moduleId, filePath) => {
            if (!this._isWatch) {
                return;
            }
            if (this._watchedFiles[filePath]) {
                return;
            }
            this._watchedFiles[filePath] = true;
            const watcher = fs.watch(filePath);
            watcher.addListener('change', () => {
                this._declarationResolver.invalidateCache(moduleId);
                this._executeSoon();
            });
            watcher.addListener('error', (err) => {
                console.error(`Encountered error while watching ${filePath}.`);
                console.log(err);
                delete this._watchedFiles[filePath];
                for (let i = 0; i < this._watchers.length; i++) {
                    if (this._watchers[i] === watcher) {
                        this._watchers.splice(i, 1);
                        break;
                    }
                }
                watcher.close();
                this._declarationResolver.invalidateCache(moduleId);
                this._executeSoon();
            });
            this._watchers.push(watcher);
        };
        this._fsProvider = new class extends monacodts.FSProvider {
            readFileSync(moduleId, filePath) {
                onWillReadFile(moduleId, filePath);
                return super.readFileSync(moduleId, filePath);
            }
        };
        this._declarationResolver = new monacodts.DeclarationResolver(this._fsProvider);
        if (this._isWatch) {
            const recipeWatcher = fs.watch(monacodts.RECIPE_PATH);
            recipeWatcher.addListener('change', () => {
                this._executeSoon();
            });
            this._watchers.push(recipeWatcher);
        }
    }
    _executeSoon() {
        if (this._executeSoonTimer !== null) {
            clearTimeout(this._executeSoonTimer);
            this._executeSoonTimer = null;
        }
        this._executeSoonTimer = setTimeout(() => {
            this._executeSoonTimer = null;
            this.execute();
        }, 20);
    }
    dispose() {
        this._watchers.forEach(watcher => watcher.close());
    }
    _run() {
        let r = monacodts.run3(this._declarationResolver);
        if (!r && !this._isWatch) {
            // The build must always be able to generate the monaco.d.ts
            throw new Error(`monaco.d.ts generation error - Cannot continue`);
        }
        return r;
    }
    _log(message, ...rest) {
        util2.log(util2.colors.cyan('[monaco.d.ts]'), message, ...rest);
    }
    execute() {
        const startTime = Date.now();
        const result = this._run();
        if (!result) {
            // nothing really changed
            return;
        }
        if (result.isTheSame) {
            return;
        }
        fs.writeFileSync(result.filePath, result.content);
        fs.writeFileSync(path.join(REPO_SRC_FOLDER, 'vs/editor/common/standalone/standaloneEnums.ts'), result.enums);
        this._log(`monaco.d.ts is changed - total time took ${Date.now() - startTime} ms`);
        if (!this._isWatch) {
            this.stream.emit('error', 'monaco.d.ts is no longer up to date. Please run gulp watch and commit the new file.');
        }
    }
}