var fs   = require('fs');

var changeProperty = function(property, value, template){

    var pattern = new RegExp('(^|\\n)(# )?(.*)('+property+'): ([^#\\n$]*)(.*)(\\n|$)?');
    var str = pattern.exec(template);
    if (!str){
        template += "\n" +property+": "+value;
    } else{
        if (RegExp.$2)
            template += "\n" +property+": "+value
        else
            template = template.replace(RegExp.$5, value);
        // template = template.replace(RegExp.$2,"  ");
    };

    return template;
};
var changePropertyjs = function(property, value, template){

    var pattern = new RegExp('(^|\\n)(.*)('+property+'): ([^\/\/\\n$]*)(.*)(\\n|$)?');
    var str = pattern.exec(template);
    if (!str){
        template += "\n" +property+": "+value;
    } else{
        template = template.replace(RegExp.$4, value);
        // template = template.replace(RegExp.$2,"  ");
    };

    return template;
};


var makeConfigBox = function (par, cb){
    var template = fs.readFileSync(par.path+"/config.yml.template", 'utf8', function (e){
        if (e)
            cb(e);
    });
    var templatejs = fs.readFileSync(par.path+"/config.js.template", 'utf8', function (e){
        if (e)
            cb(e);
    });

    template = changeProperty ('BOX_ENABLED', 'true', template);
    template = changeProperty ('CLUSTER_INSTANCE_ROLE', '\'CLUSTER_MASTER_CLIENT\'', template);

    if (par.settings){
        settingsyml = par.settings[0];
            for(var key in settingsyml){
                        template = changeProperty (key, settingsyml[key], template);
                }
        settingsjs = par.settings[1];
            for(var key in settingsjs){
                        templatejs = changePropertyjs (key, settingsjs[key], templatejs);
                }
    };

    fs.writeFile(par.path+"/config.yml",template, function(err){
        if (err) cb(err);
        fs.writeFile(path+"/config.js",templatejs, function(err){
            if (err) cb(err);
            cb;
        });
    });
};

var makeConfigCloud = function (par, cb) {

    var template = fs.readFileSync(par.path+"/config.yml.template", 'utf8', function (e){
        if (e) cb(e);
    });

    template = changeProperty ('CLUSTER_INSTANCE_ROLE', '\'CLUSTER_MASTER\'', template);
    if (par.settings){
        for(var key in par.settings){
                    template = changeProperty (key, par.settings[key], template);
            };
    };

    fs.writeFile(par.path+"/config.yaml",template, function(err){
        if (err) cb(err);
        cb;
    });
};

function makeConfig(par, cb){
    switch (par.cfgtype) {
        case 'box':
            return makeConfigBox(par, function (err){
            cb&&cb(err);
        });


        case 'cloud':
            return makeConfigCloud(par, function (err){
            cb&&cb(err);
        });

};

var json = [{
    CLUSTER_SELF_TCP_PORT: 5555,
    SERVER_ADDRESS: '\'234234234\''
},
{
    BOX_ID: 'sdfsdfsd',
    SSL_CRT:  'sdfsdfsfsdfs',
}];
var par = {
    path:"/home/nata/3.2nm",
    cfgtype:'box',
    settings: json
};

makeConfig (par , function (data){
        console.log(data);
    });