// VectorLMS
// v1.3.1
// Vector Solutions 'SafeSchools' Auto Video Completion Script. Runs, tracks, completes all course_item (i.e. video) on the page.used for vectorlmsedu.com
// https://*.vectorlmsedu.com/training/launch/course_work/*
// https://pageusd-az.safeschools.com/login
// qwestion

function asyncWaitSeconds(seconds) {
    return new Promise((resolve, reject) => {
        setTimeout(() => {
            resolve();
        }, seconds * 1000);
    });
}

function main() {
    let TOC_items = document.getElementsByClassName("TOC_item");
    let TOC_unwatched_videos = [];
    let promises = [];

    // Scrape the page for video data
    for (let i = 0; i < TOC_items.length; i++) {
        try {
            let data_entry = {};
            data_entry.element = TOC_items[i];
            data_entry.isVideo = TOC_items[i].querySelector(".fa-play") != null;
            data_entry.href = TOC_items[i].getAttribute("href");
            data_entry.title = TOC_items[i].querySelector(".lead").innerText;
            let len = TOC_items[i].getAttribute("href").split("?")[0].split("/").length;
            data_entry.work_id = TOC_items[i].getAttribute("href").split("?")[0].split("/")[len - 1];
            data_entry.item_id = TOC_items[i].getAttribute("href").split("?")[0].split("/")[len - 2];
            if (!data_entry.isVideo) {
                continue;
            }
            data_entry.time_min = parseInt(TOC_items[i].querySelector(".span_link").innerText.split(" ")[1]) + 0.5;
            data_entry.completed = false;
            TOC_unwatched_videos.push(data_entry);
        } catch (err) {
            console.log("Error scraping TOC item: " + TOC_items[i].innerText);
            console.log(err);
        }
    }

    // Process each unwatched video
    let completedCount = 0;
    for (let i = 0; i < TOC_unwatched_videos.length; i++) {
        let school_host = window.location.host;
        let unwatched_video = TOC_unwatched_videos[i];

        // Start tracking the video
        let tracking_start_url = `https://${school_host}/rpc/v2/json/training/tracking_start?course_item_id=${unwatched_video.item_id}&course_work_id=${unwatched_video.work_id}`;
        let promise = fetch(tracking_start_url)
            .then(response => response.json())
            .then(tracking_start_data => {
                unwatched_video.work_hist_id = tracking_start_data.course_work_hist_id;
                console.log("Video time tracking started for video: " + unwatched_video.title);

                // Wait for the video duration
                console.log("Waiting for the length of the video, " + unwatched_video.time_min * 60 + " seconds...");
                return asyncWaitSeconds(unwatched_video.time_min * 60)
                    .then(() => {
                        // Finish tracking the video
                        let tracking_finish_url = `https://${school_host}/rpc/v2/json/training/tracking_finish?course_work_hist_id=${unwatched_video.work_hist_id}&_=${Date.now() + unwatched_video.time_min * 60 * 1000}`;
                        return fetch(tracking_finish_url)
                            .then(response => response.json())
                            .then(tracking_finish_data => {
                                unwatched_video.completed = !(tracking_finish_data.tracking_status);

                                if (unwatched_video.completed) {
                                    console.log("Completed Video: " + unwatched_video.title);
                                    completedCount++;
                                } else {
                                    console.log("Failed to Complete Video: " + unwatched_video.title);
                                }
                            });
                    });
            });
        promises.push(promise);
    }
	
	// Update the UI only when all videos are completed
	Promise.all(promises).then(() => {
	    for (let i = 0; i < TOC_unwatched_videos.length; i++) {
	        let unwatched_video = TOC_unwatched_videos[i];
	        unwatched_video.element.querySelector(".IconSquare").innerHTML = '<div style="height: 33px; width: 33px" class="IconSquare u-border-radius-4 u-overflow-hidden u-pos-relative" aria-hidden="true"><span><div class="color-overlay u-bg-tertiary-light"></div></span><div class="u-absolute-center u-text-center"><span class="fa fa-check fa-fw u-color-tertiary"></span></div></div>';
	        unwatched_video.element.querySelector(".hidden-xs").innerHTML = '<span class="fa fa-check fa-fw"></span> Completed';
	    }
	});
}

// Call the main function to start the script
main();