var Connect = require('connect');
var http = require('http');
var url = require('url');
var path = require('path');
var fs = require('fs');

var configuration;
var model;

exports.setModel = function(m) {
	model = m;
};

exports.start = function(config) {
	configuration = config;
	Connect.createServer(
		Connect.logger(), // Log responses to the terminal using Common Log Format.
		Connect.responseTime(), // Add a special header with timing information.
		Connect.staticCache(),
		Connect.static(path.join(__dirname, configuration.dir)),
		function(req, res) {
			var purl = url.parse(req.url, true);
			var slideset = 'default'; 
			if(purl['query'].hasOwnProperty('slides')) {
				slideset = purl['query']['slides'];
			}
			model.getSlides(slideset, function(slides) {
				fs.readFile(path.join(__dirname, configuration.dir, slides['template']) , function(err,data) {
					if(err) { res.end(body); }
					var body = data.toString();
					var slideStr = '';
					for(var slide in slides['slides']) {
						if(!slides['slides'].hasOwnProperty(slide)) { continue; }
						if(slides['slides'][slide]['type'] === 'image') {
							slideStr = slideStr +'<li><img src="/'+slides['slides'][slide]['file']+'">';
						}
						if(slides['slides'][slide]['text'].length > 0) {
							slideStr = slideStr+'<div class="transover"><h2>'+slides['slides'][slide]['head']+' - '+slides['slides'][slide]['text']+'</h2></div></img></li>';
						}
					}
					body = body.replace("$IMAGES", slideStr);
					res.setHeader('Content-Length', body.length);
					res.end(body);
				});
			});
		}
	).listen(8080);
};