"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var fs = require('fs');
var path = require('path');
var SystemJS = require('systemjs');
var reflect = require('reflect-metadata');
var typescript = require('typescript');
var path_to_ema_library;
var classMapping;
var dir;
/*
 *  Initializes the @ema/js-base library
 * */
exports.init = init;
function init(path_to_lib_base, packagepath = 'lib', extension = 'js', debug = false) {
    let promise = new Promise(function (resolve) {
        path_to_ema_library = path_to_lib_base;
        dir = path_to_ema_library;
        let packages = {};
        packages[packagepath] = extension;
        SystemJS.config({
            baseURL: dir,
            packages: packages,
            paths: { "*": "*." + extension },
            transpiler: 'typescript'
        });
        if (path_to_ema_library.startsWith('http')) {
            // initLibRemote().then(function () {
            //     if (debug) logClassMap();
            //     resolve()
            // })
        }
        else {
            classMapping = parseClassTree(dir + '/' + packagepath, packagepath, extension);
            loadLibSytemJS().then(function () {
                saveClassMapping();
                if (debug)
                    logClassMap();
                resolve();
            });
        }
    });
    return promise;
}
function loadLibSytemJS() {
    exports.library = {};
    var promise = new Promise(function (resolve) {
        var ema = exports.library;
        let importPromiseArray = [];
        let paths = [];
        Object.keys(classMapping).forEach((k) => {
            importPromiseArray.push(SystemJS.import(classMapping[k]));
            paths.push(classMapping[k]);
        });
        Promise.all(importPromiseArray).then(function (modules) {
            classMapping = {};
            Object.keys(modules).forEach(function (k, i) {
                var module = modules[k];
                Object.keys(module).forEach(function (kk) {
                    ema[kk] = module[kk];
                    classMapping[kk] = paths[i];
                });
            });
            resolve();
        });
    });
    return promise;
}
// fixme:
function initLibRemote() {
    return __awaiter(this, void 0, void 0, function* () {
        //     let promise = new Promise(function(resolve) {
        //         console.log(path_to_ema_library+'/classMap');
        //         SystemJS.import(path_to_ema_library+'/classMap.').then(function(map){
        //             console.log(map);
        //             classMapping = map;
        //             loadLibSytemJS().then(function () {
        //                 logClassMap();
        //                 resolve()
        //             })
        //         });
        //     });
        //     return promise;
    });
}
function parseClassTree(dir, packagepath, extension) {
    var classPaths = [];
    var map = {};
    var files = fileList(dir);
    var classes = fileList(dir).map(function (file) { return file.split(path.sep).slice(-1)[0]; });
    var i = 0;
    Object.keys(files).forEach(function (k) {
        var file = files[k];
        if (file.substr(file.lastIndexOf('.') + 1) == extension && file.match('/' + packagepath + '/')
            && !file.match('.spec.' + extension)
            && !file.match('/rxjs/')
            && !file.match('index.' + extension)) {
            let classPath = packagepath + '/' + file.split(dir)[1].slice(1).slice(0, -3);
            if (!classPath.match('/vendor/') && !classPath.match('/node-js/')) {
                map[classes[i].split('.' + extension)[0]] = packagepath + '/' + file.split(dir)[1].slice(1).slice(0, -3);
                classPaths.push(packagepath + '/' + file.split(dir)[1].slice(1).slice(0, -3));
            }
        }
        i++;
    });
    exports.classPaths = classPaths;
    return map;
}
function saveClassMapping() {
    var script = 'export const classMap = ';
    fs.writeFile(path_to_ema_library.replace('/dist', '/src/lib') + '/classMap.ts', script + JSON.stringify(classMapping), function (err) {
        if (err)
            return console.log(err);
    });
}
function fileList(dir) {
    return fs.readdirSync(dir).reduce(function (list, file) {
        var name = path.join(dir, file);
        var isDir = fs.statSync(name).isDirectory();
        return list.concat(isDir ? fileList(name) : [name]);
    }, []);
}
function logClassMap() {
    let ema = exports.library;
    if (!ema.Util) {
        console.error('ERROR: @ema/js-base library not initialized');
    }
    else {
        console.log('------------');
        console.log('ema namespace');
        console.log('------------');
        Object.keys(ema).forEach(function (k) {
            console.log('ema.' + k);
        });
        // console.log(at);
        console.log('------------');
        console.log('');
    }
}
//# sourceMappingURL=ema-base-loader.js.map