import { MediaManagerPluginEntry, MediaPluginEnvType } from 'mmir-lib';
import { PluginExportConfigInfo , RuntimeConfiguration, SettingsBuildEntry , SpeechConfigField , AppConfig , PluginExportInfo , DirectoriesInfo , ResourceConfig , PluginOptions , PluginConfig , TTSPluginSpeechConfig , PluginExportBuildConfig , PluginExportConfigInfoMultiple , PluginExportBuildConfigCreator } from '../index.d';

import path from 'path';
import _ from 'lodash';
import appConfigUtils from '../utils/module-config-init';
import settingsUtils from './settings-utils';
import fileUtils from '../utils/filepath-utils';

import { customMerge , mergeLists } from '../utils/merge-utils';

import logUtils from '../utils/log-utils';
import { WebpackAppConfig } from '../index-webpack.d';
const log = logUtils.log;
const warn = logUtils.warn;

const asrCoreId = 'mmir-plugin-encoder-core.js';
const ttsCoreId = 'audiotts.js';

const applyToAllSpeechConfigs = '__apply-to-all-configs__';
const ALL_SPEECH_CONFIGS_TYPE = settingsUtils.getAllSpeechConfigsType();

/**
 * mapping from file-name to load-module-ID in MediaManager/plugin-loading mechanism
 * (to be used in configuration.json)
 */
const moduleIdMap = {
    'webaudioinput.js': 'mmir-plugin-encoder-core.js',
    'mmir-plugin-tts-core-xhr.js': 'audiotts.js'
};

/**
 * for webAudioInput module's specific service/implementations:
 * mapping from file-name to load-module-ID in MediaManager/plugin-loading mechanism
 * (to be used in configuration.json)
 */
const implFileIdMap = {
    'webasrgoogleimpl.js': 'mmir-plugin-asr-google-xhr.js',
    'webasrnuanceimpl.js': 'mmir-plugin-asr-nuance-xhr.js'
};

const deprecatedImplFileIdMap = {
    'webasratntimpl.js': 'webasrAtntImpl.js',
    'webasrgooglev1impl.js': 'webasrGooglev1Impl.js'
};

function isAsrPlugin(pluginId: string): boolean {
    return /^mmir-plugin-asr-/.test(pluginId);
}

function resolveAndAddAliasPaths(alias: {[aliasId: string]: string}, paths: {[moduleId: string]: string}): {[moduleId: string]: string} {
    for(var p in paths){
        paths[p] = path.resolve(paths[p]);
        alias[p] = paths[p];
    }
    return paths;
}

function normalizeModName(modName: string): string {
    return modName.replace(/\.js$/i, '');
}

function getPluginEntryFrom(confEntry: MediaManagerPluginEntry, pluginConfigList: Array<MediaManagerPluginEntry | string>): MediaManagerPluginEntry | string {

    var simpleModName = normalizeModName(confEntry.mod);
    var simpleConfigName = normalizeModName(confEntry.config);
    var ctx = confEntry.ctx || false;
    return pluginConfigList.find(function(entry){
        if(typeof entry === 'string'){
            return normalizeModName(entry) === simpleModName;
        }
        return (
            normalizeModName(entry.mod) === simpleModName &&
            normalizeModName(entry.config) === simpleConfigName &&
            (!ctx || entry.ctx === ctx)
        );
    });
}

function normalizeImplName(implName: string): string {
    if(!/\.js$/i.test(implName)){
        implName += '.js';
    }
    return implName.toLowerCase();
}

function normalizeMediaManagerPluginConfig(configList: Array<MediaManagerPluginEntry | string>): void {
    var id: string, normalized: string;
    configList.forEach(function(entry, index, list){
        if(typeof entry === 'string'){
            id = implFileIdMap[normalizeImplName(entry)];
            if(id){
                list[index] = id;
            }
        } else {
            if(typeof entry.mod === 'string'){
                id = moduleIdMap[normalizeImplName(entry.mod)];
                if(id){
                    entry.mod = id;
                }
            }
            if(typeof entry.config === 'string'){
                normalized = normalizeImplName(entry.config);
                id = moduleIdMap[normalized];
                if(id){
                    entry.config = id;
                } else if(deprecatedImplFileIdMap[normalized]){
                    warn('WARN plugin-utils: found deprecated media-plugin '+deprecatedImplFileIdMap[normalized]+' in configuration; this plugin will probably not work ', entry);
                }
            }
        }
    });
}

function getConfigDefaultValue(configName: string, pluginInfo: PluginExportConfigInfo): any {
    return pluginInfo.defaultValues && pluginInfo.defaultValues[configName];
}

function getSpeechConfigDefaultValue(configName: string, pluginInfo: PluginExportConfigInfo){
    return pluginInfo.defaultSpeechValues && pluginInfo.defaultSpeechValues[configName];
}

function getConfigEnv(pluginConfig: PluginConfig | TTSPluginSpeechConfig, pluginInfo: PluginExportConfigInfo, runtimeConfig: RuntimeConfiguration): Array<MediaPluginEnvType | string> {

    let env = pluginConfig && (pluginConfig as PluginConfig).env;
    if(!env && getConfigDefaultValue('env', pluginInfo)){
        env = getConfigDefaultValue('env', pluginInfo);
        if(!Array.isArray(env)){
            env = [env];
        }
    }
    if(!env && runtimeConfig.mediaManager && runtimeConfig.mediaManager.plugins){
        env = Object.keys(runtimeConfig.mediaManager.plugins);
    }
    if(!env){
        //FIXME TODO get default env-definitions from MediaManager!
        env = ['browser', 'cordova'];
    }
    if(typeof env === 'string'){
        env = [env];
    }
    // log('########### using env', env);
    return env;
}

/**
 * create plugin-entry in mediaManager.plugin configuration
 *
 * @param  {PluginConfig | TTSPluginSpeechConfig} pluginConfig the (user supplied) plugin-configuration
 * @param  {MMIRPluginInfo} pluginConfigInfo the plugin-info
 * @param  {string} pluginId the plugin-ID
 * @return {MediaManagerPluginEntry} the plugin-entry for mediaManager.plugin
 */
function createConfigEntry(pluginConfig: PluginConfig | TTSPluginSpeechConfig, pluginConfigInfo: PluginExportConfigInfo, pluginId: string): MediaManagerPluginEntry {
    var isAsr = isAsrPlugin(pluginId);
    var mod = getConfigDefaultValue('mod', pluginConfigInfo);
    var type = getConfigDefaultValue('type', pluginConfigInfo);
    // log('#### config entry for '+pluginConfigInfo.pluginName+' default mod? ', JSON.stringify(mod));//DEBUG
    if(!mod){
        // log('#### config entry for '+pluginConfigInfo.pluginName+' default mod? ', mod);//DEBUG
        if(type){
            mod = type === 'asr'? asrCoreId : ttsCoreId;
            if(mod === ttsCoreId && type !== 'tts'){
                warn('ERROR plugin-utils: plugin did not specify module-name and a plugin-type other than "asr" and "tts" (type '+type+'), cannot automatically derive module-name for config-entry of ', pluginId);
            }
        } else {
            mod = isAsr? asrCoreId : ttsCoreId;
        }

    } else {
        mod = moduleIdMap[normalizeImplName(mod)] || mod;
    }
    var config = normalizeImplName(pluginId);//TODO should only create plugin-ID-config, if necessary (i.e. for "sub-module implementations", not for "main module plugins" like android-speech plugin)
    var ctx = (pluginConfig && (pluginConfig as PluginConfig).ctx) || void(0);

    //{ "mod": "mmir-plugin-encoder-core.js", "config": "mmir-plugin-asr-nuance-xhr.js", "type": "asr"}
    return {mod: mod, config: config, type: type, ctx: ctx};
}

/**
 * apply config-values from pluginConfig to runtimeConfig into entry pluginConfigInfo.pluginName
 *
 * @param  {MMIRPluginConfig} pluginConfig the plugin-configuration
 * @param  {Configuration} runtimeConfig the main configuration (JSON-like) object
 * @param  {Settings} settings the application settings (dicitionaries, speech-configs etc)
 * @param  {MMIRPluginInfo} pluginConfigInfo the plugin-info
 */
function applyPluginSpeechConfig(pluginConfig: PluginConfig | TTSPluginSpeechConfig, settings: SettingsBuildEntry[], pluginConfigInfo: PluginExportConfigInfo): void {

    var speechConfs = pluginConfigInfo.speechConfig;
    if(speechConfs){

        var applyList: {name: SpeechConfigField, value: any}[] = [], defaultVal: any;
        speechConfs.forEach(function(sc){
            if(pluginConfig[sc]){
                applyList.push({name: sc, value: pluginConfig[sc]});
            } else {
                defaultVal = getSpeechConfigDefaultValue(sc, pluginConfigInfo);
                if(typeof defaultVal !== 'undefined' && defaultVal !== null){
                    applyList.push({name: sc, value: defaultVal});
                }
            }
        });

        if(applyList.length > 0){

            var speechConfigs = new Map<string, SettingsBuildEntry>();
            settingsUtils.getSettingsFor(settings, 'speech').forEach(function(sc){
                speechConfigs.set(sc.id, sc);
            });

            const allSpeech = settings.find(function(s){ return s.type === ALL_SPEECH_CONFIGS_TYPE; });
            if(allSpeech){
                speechConfigs.set(ALL_SPEECH_CONFIGS_TYPE, allSpeech);
            }

            let val: any, name: SpeechConfigField;
            applyList.forEach(function(config){
                val = config.value;
                name = config.name;
                if(typeof val !== 'string'){

                    Object.keys(val).forEach(function(lang){
                        doApplySpeechConfigValue(name, val[lang], lang, pluginConfigInfo.pluginName, speechConfigs, settings);
                    });

                } else {
                    doApplySpeechConfigValue(name, val, applyToAllSpeechConfigs, pluginConfigInfo.pluginName, speechConfigs, settings);
                }
            });

        }
    }
}

function doApplySpeechConfigValue(name: SpeechConfigField, val: any, lang: string, pluginName: string, speechConfigs: Map<string, SettingsBuildEntry>, settings: SettingsBuildEntry[]): void {

        var sc = speechConfigs.get(lang);
        if(!sc){
            sc = settingsUtils.createSettingsEntryFor(lang === applyToAllSpeechConfigs? ALL_SPEECH_CONFIGS_TYPE : 'speech', {plugins: {}}, lang);
            speechConfigs.set(lang, sc);
            settings.push(sc);

        } else {

            if(!sc.value){
                //NOTE will crash, if file is a list ... for now, no support for file-list speech-configs!
                sc.value = settingsUtils.loadSettingsFrom(sc.file);
            }
        }

        sc.value.plugins = sc.value.plugins || {};
        var configEntry = sc.value.plugins[pluginName];
        if(!configEntry){
            configEntry = {};
            sc.value.plugins[pluginName] = configEntry;
        }
        configEntry[name] = val;

}

/**
 * apply config-values from pluginConfig to runtimeConfig into entry pluginConfigInfo.pluginName
 *
 * @param  {MMIRPluginConfig} pluginConfig the plugin-configuration
 * @param  {Configuration} runtimeConfig the main configuration (JSON-like) object
 * @param  {MMIRPluginInfo} pluginConfigInfo the plugin-info
 */
function applyPluginConfig(pluginConfig: PluginConfig | TTSPluginSpeechConfig, runtimeConfig: RuntimeConfiguration, pluginConfigInfo: PluginExportConfigInfo): void {

    var config = runtimeConfig[pluginConfigInfo.pluginName] || {};
    var speechConfs = pluginConfigInfo.speechConfig? new Set(pluginConfigInfo.speechConfig) : null;
    for(var c in pluginConfig){
        if(c === 'env' || c === 'ctx' || c === 'mod' || (speechConfs && speechConfs.has(c as any))){
            continue;
        }
        config[c] = pluginConfig[c];
    }
    runtimeConfig[pluginConfigInfo.pluginName] = config;
}

function addConfig(pluginConfig: PluginConfig | TTSPluginSpeechConfig, runtimeConfig: RuntimeConfiguration, settings: SettingsBuildEntry[], pluginConfigInfo: PluginExportConfigInfo, pluginId: string): void {

    if(pluginConfig){
        applyPluginConfig(pluginConfig, runtimeConfig, pluginConfigInfo);
        applyPluginSpeechConfig(pluginConfig, settings, pluginConfigInfo);
    }

    var pluginType = getConfigDefaultValue('type', pluginConfigInfo);
    if(pluginType !== 'custom'){
        //-> media plugin, e.g. "asr" or "tts" or "audio"
        //   (for "custom" plugins: do not create mediaManager entry, inlcude the exported module (already done in addPluginInfos()))
        var confEntry = createConfigEntry(pluginConfig, pluginConfigInfo, pluginId);

        var env = getConfigEnv(pluginConfig, pluginConfigInfo, runtimeConfig);

        // log('#### will add '+pluginConfigInfo.pluginName+' to envs ', env, ' with entry ', confEntry);//DEBUG

        if(!runtimeConfig.mediaManager){
            runtimeConfig.mediaManager = {};
        }
        if(!runtimeConfig.mediaManager.plugins){
            runtimeConfig.mediaManager.plugins = {};
        }
        var pConfig = runtimeConfig.mediaManager.plugins;
        var pList: Array<MediaManagerPluginEntry | string>, cEntry: MediaManagerPluginEntry | string;
        env.forEach(function(e){
            pList = pConfig[e];
            if(pList){
                normalizeMediaManagerPluginConfig(pList);
                cEntry = getPluginEntryFrom(confEntry, pList);
                if(cEntry){
                    _.mergeWith(cEntry, confEntry, mergeLists);
                } else {
                    pConfig[e].push(confEntry);
                }
            } else {
                //FIXME this whould also require to add defaults like audio-output
                pConfig[e] = [confEntry]
            }
        });

        //TODO add/apply configuration for core-dependency mmir-plugin-encoder-core ~> silence-detection, if specified
    }
}

/**
 *
 * @param  target target for merging the build configs (INOUT parameter)
 * @param  list array of build configs
 * @param  listOffset offset index from where to start merging from the list (i.e. use 0 to merge from the start of the list)
 * @return the merged build-config
 */
function mergeBuildConfigs(target: PluginConfig | TTSPluginSpeechConfig, list: (PluginExportBuildConfig | PluginExportBuildConfigCreator)[], listOffset: number, pluginConfig: PluginConfig | TTSPluginSpeechConfig, runtimeConfig: RuntimeConfiguration, pluginBuildConfig: PluginExportBuildConfig[] | undefined): PluginConfig | TTSPluginSpeechConfig {

    for(var i=listOffset, size = list.length; i < size; ++i){

        // if entry is a build-config creator function -> replace with created build-config
        if(typeof list[i] === 'function'){
            list[i] = (list[i] as PluginExportBuildConfigCreator)(pluginConfig, runtimeConfig, pluginBuildConfig);
            // if result is a list, do merge into its first entry and replace list[i] with the merged result
            if(Array.isArray(list[i])){
                list[i] = mergeBuildConfigs(list[i][0], list[i] as (PluginExportBuildConfig | PluginExportBuildConfigCreator)[], 1, pluginConfig, runtimeConfig, pluginBuildConfig);
            }
        }
        customMerge(target, list[i]);
    }
    return target;
}

function addBuildConfig(pluginConfig: PluginConfig | TTSPluginSpeechConfig, pluginBuildConfig: PluginExportBuildConfig[] | undefined, runtimeConfig: RuntimeConfiguration, appConfig: AppConfig, buildConfigs: (PluginExportBuildConfig | PluginExportBuildConfigCreator)[], pluginId: string){

    if(Array.isArray(buildConfigs) && buildConfigs.length > 0){
        //NOTE if no pluginConfigInfo.buildConfig is specified, then the plugin does not support build-config settings, so pluginBuildConfig will also be ignored!

        // console.log('plugin-utils.addBuildConfig['+pluginId+']: applying plugin\'s build configuration ', pluginConfigInfo.buildConfigs);
        // console.log('plugin-utils.addBuildConfig['+pluginId+']: runtimeConfig', runtimeConfig);

        var bconfigList = buildConfigs;
        var bconfig = bconfigList[0];
        if(typeof bconfig === 'function'){
            // if entry is a build-config creator function -> do create build-config now
            bconfig = bconfig(pluginConfig, runtimeConfig, pluginBuildConfig) || {};//<- if undefined result, bootstrap with empty build-config
            if(Array.isArray(bconfig)){
                bconfig = mergeBuildConfigs({}, bconfig as (PluginExportBuildConfig | PluginExportBuildConfigCreator)[], 0, pluginConfig, runtimeConfig, pluginBuildConfig);
            }
        }
        bconfig = mergeBuildConfigs(bconfig, bconfigList, 1, pluginConfig, runtimeConfig, pluginBuildConfig);

        var usedPluginBuildConfigKeys = new Set<string>();

        Object.keys(bconfig).forEach(function(key){

            var val = bconfig[key];
            if(typeof val === 'undefined'){
                return;
            }

            if(typeof appConfig[key] === 'undefined'){
                if(pluginBuildConfig && typeof pluginBuildConfig[key] !== 'undefined'){
                    customMerge(val, pluginBuildConfig[key]);
                    usedPluginBuildConfigKeys.add(key);
                }
                appConfig[key] = val;
            } else if(appConfig[key] && typeof appConfig[key] === 'object' && val && typeof val === 'object'){
                //if both build-configs are valid objects:
                if(pluginBuildConfig && typeof pluginBuildConfig[key] !== 'undefined'){
                    //user-supplied plugin-specific build-config overrides general user-supplied build-config:
                    customMerge(appConfig[key], pluginBuildConfig[key]);
                    usedPluginBuildConfigKeys.add(key);
                }
                //... then merge appConfig's value into the plugin's build config
                //  (i.e. user-supplied build-configuration overrides plugin-build-configuration when merging)
                customMerge(val, appConfig[key]);
                appConfig[key] = val;
            } else if(pluginBuildConfig && typeof pluginBuildConfig[key] !== 'undefined'){
                customMerge(appConfig[key], pluginBuildConfig[key]);
                usedPluginBuildConfigKeys.add(key);
            }
            //else: use value of appConfig[key] (i.e. user-supplied build-configuration overrides plugin-build-configuration)
        });

        //lastly: add config-settings from pluginBuildConfig that were not applied yet:
        if(pluginBuildConfig){
            Object.keys(pluginBuildConfig).forEach(function(key){

                if(usedPluginBuildConfigKeys.has(key)){
                    return;
                }

                var val = pluginBuildConfig[key];
                if(typeof val === 'undefined'){
                    return;
                }

                if(typeof appConfig[key] === 'undefined'){
                    appConfig[key] = val;
                } else if(appConfig[key] && typeof appConfig[key] === 'object' && val && typeof val === 'object'){
                    //if both build-configs are valid objects: plugin-specific user-supplied config is merged, but overrides general user-supplied build-config:
                    customMerge(appConfig[key], val);
                } else {
                    //otherwise: plugin-specific user-supplied config overrides general user-supplied build-config:
                    appConfig[key] = pluginBuildConfig[key];
                }
            });
        }
    } else if(pluginBuildConfig){
        warn('WARN plugin-utils: encountered user-specified build-configuration for plugin '+pluginId+', but plugin does not not support build-configuration, ignoring user build config ', pluginBuildConfig);
    }

    //TODO transfere requirejs config unto runtimeConfig?
    // if(!runtimeConfig.config){
    // 	runtimeConfig.config = {};
    // }
    // var pConfig = runtimeConfig.config;
    // var pList, cEntry;
    // env.forEach(function(e){
    // 	pList = pConfig[e];
    // 	// if(pList){
    // 	// 	normalizeMediaManagerPluginConfig(pList);
    // 	// 	cEntry = getPluginEntryFrom(confEntry, pList);
    // 	// 	if(cEntry){
    // 	// 		customMerge(cEntry, confEntry);
    // 	// 	} else {
    // 	// 		pConfig[e].push(confEntry);
    // 	// 	}
    // 	// } else {
    // 	// 	//FIXME this whould also require to add defaults like audio-output
    // 	// 	pConfig[e] = [confEntry]
    // 	// }
    // });


}

function isPluginExportConfigInfoMultiple(pluginInfo: PluginExportConfigInfoMultiple | PluginExportConfigInfo): pluginInfo is PluginExportConfigInfoMultiple {
    return Array.isArray(pluginInfo.pluginName);
}

/**
 * check if `plugin` is already contained in `pluginList`
 *
 * NOTE: uses deep comparision, i.e. entries with same id (plugin.id) are considered
 *       deferent, if their (other) properties differ (even if the IDs match).
 *
 * @param  plugin the plugin
 * @param  pluginList the list of plugins to check
 * @param  deepComparison if `true`, makes deep comparision, instead of comparing the IDs
 * @return `false` if `plugin` is NOT contained in `pluginList`, otherwise the duplicate entry from `pluginList`
 */
function constainsPlugin(plugin: PluginOptions, pluginList: PluginOptions[] | null | undefined, deepComparison: boolean): false | PluginOptions {
    if(!pluginList){
        return false;
    }
    for(var j=pluginList.length-1; j >= 0; --j){
        if(deepComparison? _.isEqual(plugin, pluginList[j]) : plugin.id === pluginList[j].id){
            return pluginList[j];
        }
    }
    return false;
}

function processDuplicates(pluginList: PluginOptions[], removeFromList?: boolean): Map<string, PluginOptions[]> {
    const map = new Map<string, PluginOptions[]>();
    for(let i=pluginList.length-1; i >= 0; --i){
        const plugin = pluginList[i];
        let duplicates: PluginOptions[] = map.get(plugin.id);
        if(!duplicates){
            duplicates = [plugin];
            map.set(plugin.id, duplicates);
        } else {
            let hasDuplicate = constainsPlugin(plugin, duplicates, false);
            if(!hasDuplicate){
                duplicates.push(plugin);
            } else if(removeFromList) {
                pluginList.splice(i, 1);
            }
        }
    }
    return map;
}

function normalizePluginEntry(plugin: PluginOptions | string): PluginOptions {
    const id = typeof plugin === 'string'? plugin : plugin.id;
    return typeof plugin !== 'string'? plugin : {id: id};
}

export = {
    addPluginInfos: function(pluginSettings: PluginOptions, appConfig: WebpackAppConfig, _directories: DirectoriesInfo, resourcesConfig: ResourceConfig, runtimeConfig: RuntimeConfiguration, settings: SettingsBuildEntry[]){

        const workersList = resourcesConfig.workers;
        const binFilesList = resourcesConfig.fileResources;
        const binFilesPaths = resourcesConfig.resourcesPaths;
        // const _textFilesList = resourcesConfig.textResources;

        const pluginId = pluginSettings.id;
        const pluginConfig = pluginSettings.config;
        const pluginBuildConfig = pluginSettings.build;
        const mode = pluginSettings.mode;

        const pluginInfo: PluginExportInfo = require(pluginId + '/module-ids.gen.js');
        const paths = pluginInfo.getAll('paths', mode, true) as {[moduleId: string]: string};

        resolveAndAddAliasPaths(appConfig.paths, paths)

        const workers = pluginInfo.getAll('workers', mode) as string[];

        workers.forEach(function(w){
            workersList.push(paths[w]);
        });

        const includeModules = pluginInfo.getAll('modules', mode) as string[];

        includeModules.forEach(function(mod){
            appConfigUtils.addIncludeModule(appConfig, mod, paths[mod]);
        });

        const includeFiles = pluginInfo.getAll('files', mode) as string[];
        includeFiles.forEach(function(mod){

            const modPath = paths[mod];

            binFilesList.push(modPath);

            //NOTE the module-ID for exported files is <plugin ID>/<file name without extension>
            //     -> specify the include-path for the files (i.e. relative path to which the file is copied) as
            //        <plugin ID>/<file name>
            binFilesPaths[fileUtils.normalizePath(modPath)] = path.normalize(path.join(path.dirname(mod), path.basename(modPath)));

            // log('  ############### adding exported (raw) file for plugin '+pluginId+' ['+mod+'] -> ', modPath);//DEBUG

            appConfigUtils.addIncludeModule(appConfig, mod, modPath);

        });

        const pluginConfigInfo = require(pluginId + '/module-config.gen.js') as PluginExportConfigInfo;

        if(pluginConfigInfo.pluginName){
            if(isPluginExportConfigInfoMultiple(pluginConfigInfo)){

                pluginConfigInfo.pluginName.forEach(function(pluginName){

                    addConfig(pluginConfig, runtimeConfig, settings, pluginConfigInfo.plugins[pluginName], pluginId);
                    const buildConfigs = pluginInfo.getBuildConfig(pluginName);

                    // backwards compatiblity when generated by mmir-plugin-exports < 2.3.0 (would not include build-configs of dependencies):
                    if(!buildConfigs || buildConfigs.length === 0){
                        if(pluginConfigInfo.plugins[pluginName].buildConfigs) customMerge(buildConfigs, pluginConfigInfo.plugins[pluginName].buildConfigs);
                        if(pluginConfigInfo.buildConfigs) customMerge(buildConfigs, pluginConfigInfo.buildConfigs);
                    }

                    addBuildConfig(pluginConfig, pluginBuildConfig, runtimeConfig, appConfig, buildConfigs, pluginId);
                });

            } else {

                const buildConfigs = pluginInfo.getBuildConfig();

                // backwards compatiblity when generated by mmir-plugin-exports < 2.3.0 (would not include build-configs of dependencies):
                if((!buildConfigs || buildConfigs.length === 0) && pluginConfigInfo.buildConfigs){
                    customMerge(buildConfigs, pluginConfigInfo.buildConfigs);
                }

                addConfig(pluginConfig, runtimeConfig, settings, pluginConfigInfo, pluginId);
                addBuildConfig(pluginConfig, pluginBuildConfig, runtimeConfig, appConfig, buildConfigs, pluginId);
            }

        } else {
            warn('ERROR plugin-utils: invalid module-config.js for plugin '+pluginId+': missing field pluginName ', pluginConfigInfo);
        }

        log('plugin-utils: addPluginInfos() -> paths ', paths, ', workers ', workers, ', include modules ', includeModules, runtimeConfig);//DEBUG
    },
    processDuplicates: processDuplicates,
    constainsPlugin: constainsPlugin,
    normalizePluginEntry: normalizePluginEntry
};