var express = require('express');
var router = express.Router();

var pathoffset = 'nt/ev/mk/';

/* GET home page. */

var _locals = { pathoffset : "/nt/ev/mk" };

var _gliederung =
	[
			{
					id	: "gliederung",
					name: "Gliederung",
					subs: [
						{
							id	: "index",
							name: "Übersicht",
							subs: []
						},
						{
							id	: "anfang",
							name: "Anfang ...",
							subs: []
						},
						{
							id	: "IIa_konzentr",
							name: "IIA – Konzentrisch",
							subs: []
						},
						{
							id	: "IIa_wegbereiter",
							name: "IIA – Wegbereiter",
							subs: []
						},
						{
							id	: "IIb_konzentr",
							name: "IIB – Konzentrisch",
							subs: []
						},
						{
							id	: "IIb_konzentr_ablehnung",
							name: "IIB – Konzentrisch <q>Ablehnung</q>",
							subs: []
						},
						{
							id	: "IIb_konzentr_sendung",
							name: "IIB – Konzentrisch <q>Sendung</q>",
							subs: []
						},
						{
							id	: "IIb_konzentr_hirte",
							name: "IIB – Konzentrisch <q>Hirte</q>",
							subs: []
						},
						{
							id	: "IIc_konzentr",
							name: "IIC – Konzentrisch",
							subs: []
						},
						{
							id	: "IIIa",
							name: "IIIA",
							subs: []
						},
						{
							id	: "IIIa_gesplittet",
							name: "IIIA – gesplittet",
							subs: []
						},
						{
							id	: "IIIa_falsch_richtig",
							name: "IIIA – <q>Falsch – Richtig</q>",
							subs: []
						},
						{
							id	: "III_sohn",
							name: "III – <q>Sohn</q>",
							subs: []
						},
						{
							id	: "auf_dem_weg_konzentr",
							name: "Auf dem Weg – Konzentrisch",
							subs: []
						},
						{
							id	: "auf_dem_weg_konzentr2",
							name: "Auf dem Weg – Konzentrisch 2",
							subs: []
						},
						{
							id	: "IIIc_tempel_frucht",
							name: "IIIC – <q>Tempel – Frucht</q>",
							subs: []
						}
					]
			},
	];


function get_locals(req) {
	var locals = _locals;
	/*locals.as_presentation = req.session.as_presentation;

	console.log(locals);*/

	return locals;
}

router.get('/', function(req, res, next) {
	var params = get_locals(req);
	params.gliederung = _gliederung;
	res.render(pathoffset+'index', get_locals(req));
});

router.get('/:layer1', function(req, res, next) {
	var layer1 = _gliederung.find(elem => elem.id === req.params.layer1);
	console.log(layer1);

	if(layer1.subs.length === 0)
		console.log('ERROR layer1.subs.length === 0');
	var index = layer1.subs[0];

	var params = get_locals(req);
	params.gliederung = _gliederung;
	params.current = [];
	params.current.push(layer1);
	params.current.push(index);
	console.log(params);
	res.render(pathoffset + req.params.layer1+"/"+index.id, params);
});

router.get('/:layer1/:layer2', function(req, res, next) {
	var layer1 = _gliederung.find(elem => elem.id === req.params.layer1);
	console.log(layer1);

	var layer2 = layer1.subs.find(elem => elem.id === req.params.layer2);
	console.log(layer2);

	var params = get_locals(req);
	params.gliederung = _gliederung;
	params.current = [];
	params.current.push(layer1);
	params.current.push(layer2);
	console.log(params);
	res.render(pathoffset + req.params.layer1+"/"+layer2.id, params);
});

/*router.get('/gliederung', function(req,res,next) {
	res.render(pathoffset+'gliederung/index', get_locals(req));
});

router.get('/gliederung/:target', function(req,res,next) {
	res.render(pathoffset+'gliederung/' + req.params.target, get_locals(req));
});*/

/* XXX */

/*router.get('/entstehung', function(req,res,next) {
	res.render(pathoffset+'entstehung/quellen', get_locals(req));
});

router.get('/entstehung/:target', function(req,res,next) {
	res.render(pathoffset+'entstehung/' + req.params.target, get_locals(req));
});

router.get('/theologische_grundgedanken', function(req,res,next) {
	res.render(pathoffset+'theologische_grundgedanken/evangelium', get_locals(req));
});

router.get('/theologische_grundgedanken/:target', function(req,res,next) {
	res.render(pathoffset+'theologische_grundgedanken/' + req.params.target, get_locals(req));
});

router.get('/impulse_literatur', function(req,res,next) {
	res.render(pathoffset+'impulse_literatur/impulse', get_locals(req));
});

router.get('/impulse_literatur/:target', function(req,res,next) {
	res.render(pathoffset+'impulse_literatur/' + req.params.target, get_locals(req));
});
*/
module.exports = router;