background.js

chrome.runtime.onMessage.addListener((message, sender, sendResponse) => {
    if(message.type === "STORE_SCRAPED_DATA") {
        chrome.storage.local.set({ scrapedData: message.data }, () => {
            // console.log("Scraped data successfully stored in Chrome storage:", message.data);
        });
    }

    if(message.type === "GET_SCRAPED_DATA") {
        chrome.storage.local.get(["scrapedData"], (result) => {
            // console.log("Retrieved scraped data from storage:", result.scrapedData);
            sendResponse(result.scrapedData || []);
        });
        return true;
    }

    if(message.type === "SCRAPE_ASSIGNMENTS") {
        chrome.tabs.query({ active: true, currentWindow: true }, (tabs) => {
            const tab = tabs[0];

            //check if valid url
            if(tab && tab.url.includes("sit.instructure.com")) {
                chrome.scripting.executeScript({
                    target: { tabId: tab.id },
                    files: ["content.js"]
                });
            } else {
                // console.log("SCRAPE_ASSIGNMENTS attempted on an invalid page:", tab ? tab.url : "No active tab");
            }
        });
    }

    if(message.type === "LOGIN") {
        chrome.identity.getAuthToken({interactive: true}, (token) => {
            if(chrome.runtime.lastError) {
                console.error("Auth Error:", chrome.runtime.lastError.message);
                sendResponse({success: false, error: chrome.runtime.lastError});
                return;
            }
            // console.log("Token:", token);
            sendResponse({success: true, token})
        });
        return true;
    }
});