/*
	Include calendar | Chaostreff Backnang | @paddy
*/
document.addEventListener("DOMContentLoaded", hackcal);

function hackcal(p=1) {
    var cal_uri = "/hackcal/?period="+p;
    var uri_regex = /(https?:\/\/([-\w\.]+)+(:\d+)?(\/([\w\/\-_\.\:]*(\?\S+)?)?)?)/ig

    fetch(cal_uri).then(res => res.json()).then(data => {
        var items = [];
        Object.keys(data).forEach(function (date) {
            var day = new Date(date);
            items.push("<div data-date='" + date + "'><span>" + day.toLocaleDateString(true, {weekday:'short', day:'numeric', month:'long', year: 'numeric'}) + "</span></div>");
            Object.keys(data[date]).forEach(function (uid) {
                var event = data[date][uid];
                if(event.location) event.location = event.location.replace(/\n/g,"<br>").replace(uri_regex, "<a href='$1' target='_blank'>$1</a>");
                if(event.description) event.description = event.description.replace(/\n/g,"<br>").replace(uri_regex, (url) => {event.summary = `<a href='${url}' target='_blank'>${event.summary}</a>`; return "";});
                if(event.categories) event.categories = "<i>" + event.categories.replace(",", "</i> <i>") + "</i>";
                items.push("<div data-uid='" + uid + "'><span>" + event.datestr + "</span><span><b>" + event.summary + "</b> | " + ((event.location)?event.location:'') + "<br/>" + ((event.description)?event.description:'') + ((event.categories)?event.categories:'') + "</span></div>");
            });
        });
        document.querySelector('#dbkcalendar').innerHTML = items.join( "" );
    });
}