var HTTPResult = require('./http-result')
  , HTTP = require('http')
  , HTTPS = require('https')
  , URL = require('url')
  , QS = require('querystring')
  , _ = require('underscore')
  ;

module.exports = function(url, options) {

    var result = new HTTPResult();
    
    var body = options.body;
    delete options.body;

    var json = options.json;
    delete options.json;

    var reqOpts = _.isString(url) ? URL.parse(url) : url;
    _.extend(reqOpts,options);
    if ( json === true ) {
        options.headers = options.headers || {};
        _.extend(options.headers,{
            'Content-Type': 'application/json',
            'Accepts': 'application/json'
        });
    }
    if ( reqOpts.qs ) {
        reqOpts.path = (reqOpts.path||'')+'?'+QS.stringify(reqOpts.qs);
        delete reqOpts.qs;
    }

    var protocol = reqOpts.protocol;
    var httpModule;
    if ( protocol === 'http:' ) {
        httpModule = HTTP;
    } else if ( protocol === 'https:' ) {
        httpModule = HTTPS;
    } else {
        throw new Error("Unknown protocol "+protocol);
    }

    var req = httpModule.request(reqOpts);
    req.on('response', function(response) {
        var data = "";
        response.setEncoding('utf8');
        response.on('data', function(chunk) {
            data += chunk;
        });
        response.on('end', function() {
            var body;
            try {
                if ( json ) {
                    if ( data ) { body = JSON.parse(data); }
                } else {
                    body = data;
                }
                result.set(response.statusCode,body);
            } catch (ex) {
                console.log('error',data);
                result.set(-1,ex);
            }
        });
        response.on('error', function(error) {
            result.set(-1,error);
        });
    });
    req.on('error', function(error){
        result.set(-1,error);
    });

    if ( body ) {
        req.write(json ? JSON.stringify(body) : body);
    }
    req.end();

    return result;
    
};