// ==UserScript==
// @name         TransferEvent
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  Transfer events to object description
// @author       Nathan Eikermann
// @match        https://sandkasten.museum-digital.de/musdb/objekt_cha.php*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=museum-digital.de
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    const objectId = document.getElementById("objCounter").textContent;

    const eventModuleOld = document.getElementById("eventModuleOld");

    function identifyEventId(href) {

        console.log("Parsing event ID from " + href)
        const urlParams = new URLSearchParams(href.substring(href.indexOf('?')));
        console.log(urlParams)
        return urlParams.get('ernum');

    }

    function createButton(title) {
        const button = document.createElement('span');
        button.textContent = title;
        button.style.background = "#000";
        button.style.color = "#FFF";
        button.style.cursor = "pointer";
        button.style.margin = "0 20px"
        return button;
    }

    function createClickFunction(newObjectText, eventId, eventTypeId) {
        return function() {
            let updated = 0;

            window.fetch('/musdb/objekt_update.php', {
                method: 'POST', cache: 'no-cache',
                credentials: 'same-origin',
                headers: {
                    'Content-Type': 'application/x-www-form-urlencoded'
                },
                body: "objektnum=" + encodeURIComponent(objectId) + '&objekt_beschreibung=' + encodeURIComponent(document.getElementById('objekt_beschreibung').textContent + "\n\n" + newObjectText)
            }).then(function(response) {

                updated++;
                if (updated === 2) location.reload();

            }).catch((error) => {
                console.log(error);
            });

            window.fetch('/musdb/api_int/object/update_event/' + objectId, {
                method: 'POST', cache: 'no-cache',
                credentials: 'same-origin',
                headers: {
                    'Content-Type': 'application/x-www-form-urlencoded'
                },
                body: eventTypeId + '=0&event_id=' + encodeURIComponent(eventId)
            }).then(function(response) {

                updated++;
                if (updated === 2) location.reload();

            }).catch((error) => {
                console.log(error);
            });

        };
    }

    for (let child of eventModuleOld.children) {

        // Get update link to identify event ID
        const updateLink = child.getElementsByClassName("iconsEdit")[0];
        if (updateLink === undefined) continue;

        // Identify event ID
        const eventId = identifyEventId(updateLink.href);
        console.log(eventId);

        const actorLinks = child.getElementsByClassName('actorToolTip');
        if (actorLinks.length !== 0) {
            const actorLink = actorLinks[0];

            const button = createButton('Transfer')
            actorLink.parentElement.appendChild(button);

            button.addEventListener('click', createClickFunction(actorLink.textContent, eventId, 'persinst_id'), {once: true});

        }


        const placeLinks = child.getElementsByClassName('placeToolTip');
        if (actorLinks.length !== 0) {
            const placeLink = placeLinks[0];

            const button = createButton('Transfer')
            placeLink.parentElement.appendChild(button);

            button.addEventListener('click', createClickFunction(placeLink.textContent, eventId, 'place_id'), {once: true});

        }

        // Offer manipulating actor

    }

})();