/// <reference path="typings/tsd.d.ts" />
var through = require("through2");
var path = require("path");
var beautylog = require("beautylog");

//important vars
var gulpCallFunction = {
    executionMode: 'forEach', //can be forEach or atEnd
    functionsToExecute: undefined,
    logBool: false
};

var runFunctionNames = function () {
    if (typeof gulpCallFunction.functionsToExecute == "function" ) {
        gulpCallFunction.functionsToExecute();
    } else if (Array.isArray(gulpCallFunction.functionsToExecute)) {
        for (var anyFunction in gulpCallFunction.functionsToExecute) {
            anyFunction();
        }
    } else {
        beautylog.error('gulp-callfunction: something is strange with the given arguments');
    }
};


var forEach = function (file, enc, cb) {
    if (gulpCallFunction.logBool) beautylog.log(gulpCallFunction.executionMode);
    if (gulpCallFunction.executionMode === 'forEach') {
        if(gulpCallFunction.logBool) beautylog.log('is forEach');
        runFunctionNames();
    }
    //tell gulp that we are complete
    return cb(null, file);
};

var atEnd = function() {
    if (gulpCallFunction.executionMode == "atEnd") {
        runFunctionNames();
    }
};
module.exports = function (functionsToExecute:any|any[],executionMode:string = 'forEach', logBool = false) {
    gulpCallFunction.functionsToExecute = functionsToExecute;
    gulpCallFunction.executionMode = executionMode;
    gulpCallFunction.logBool = logBool;
    return through.obj(forEach,atEnd);
};