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

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


var _gliederung =
	[
		{
			id	: "einfuehrung",
			name: "Einführung",
			subs: [
					{
						id	: "verfasser",
						name: "Verfasser",
						subs: []
					},
					{
						id	: "quellen",
						name: "Quellen",
						subs: []
					},
					{
						id	: "prolog",
						name: "Der Verfasser über sein Werk",
						subs: []
					},
					{
						id	: "aufbau",
						name: "Aufbau",
						subs: []
					}
				]
		},
		{
			id	: "adv_weihn_jkr3-7",
			name: "Advent, Weihnachten, Jahreskreis 3 – 7",
			subs: [
					{
						id	: "index",
						name: "Überblick",
						subs: []
					},
					{
						id	: "gliederung",
						name: "Gliederung",
						subs: []
					},
					{
						id	: "johdt",
						name: "Johannes der Täufer",
						subs: []
					},
					{
						id	: "weihnachten",
						name: "<q>Weihnachten</q>",
						subs: []
					},
					{
						id	: "antritt",
						name: "Die Antrittspredigt Jesu",
						subs: []
					},
					{
						id	: "fischfang",
						name: "Reicher Fischfang/<q>Berufung</q> des Petrus",
						subs: []
					},
					{
						id	: "feldrede",
						name: "Die Rede am Fuß des Berges (<q>Feldrede</q>)",
						subs: []
					}
				]
		},
		{
			id	: "fz_oz_jkr12-17",
			name: "Fastenzeit, Osterzeit, Jahreskreis 12 – 17",
			subs: [
					{
						id	: "index",
						name: "Überblick",
						subs: []
					},
					{
						id	: "gliederung",
						name: "Gliederung",
						subs: []
					}
				]
		},
		{
			id	: "jkr18-34",
			name: "Jahreskreis 18 – 34",
			subs: [
					{
						id	: "index",
						name: "Überblick",
						subs: []
					}/*,
					{
						id	: "literatur",
						name: "Ausgewählte Literatur",
						subs: []
					}*/
				]
		}
	];

/* GET home page. */

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

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;
	params.current = [];
	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('/', function(req, res, next) {
	res.render(pathoffset+'index', get_locals(req));
});

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

router.get('/adv_weihn_jkr3-7', function(req,res,next) {
	res.render(pathoffset+'adv_weihn_jkr3-7/index', get_locals(req));
});
router.get('/adv_weihn_jkr3-7/:target', function(req,res,next) {
	res.render(pathoffset+'adv_weihn_jkr3-7/' + req.params.target, get_locals(req));
});

router.get('/fz_oz_jkr12-17', function(req,res,next) {
	res.render(pathoffset+'fz_oz_jkr12-17/index', get_locals(req));
});
router.get('/fz_oz_jkr12-17/:target', function(req,res,next) {
	res.render(pathoffset+'fz_oz_jkr12-17/' + req.params.target, get_locals(req));
});

router.get('/jkr18-34', function(req,res,next) {
	res.render(pathoffset+'jkr18-34/index', get_locals(req));
});
router.get('/fz_oz_jkr12-17/:target', function(req,res,next) {
	res.render(pathoffset+'jkr18-34/' + req.params.target, get_locals(req));
});
*/


module.exports = router;