background.js

// background.js (MV3 service worker)
// RarePatternsScanHelperExtension
// Copyright (C) 2025 Romanus101
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.

let lastResults = [];

// Сообщения от content → relay в popup + persist
chrome.runtime.onMessage.addListener((msg, sender, sendResponse) => {
    if (msg?.type === "results") {
        lastResults = Array.isArray(msg.data) ? msg.data : [];
        chrome.storage.local.set({ lastResults }).catch(() => {});
        chrome.runtime.sendMessage({ type: "results", data: lastResults });
        sendResponse?.({ ok: true });
        return true;
    }

    if (msg?.type === "progress") {
        chrome.runtime.sendMessage(msg);
        sendResponse?.({ ok: true });
        return true;
    }

    if (msg?.type === "get_results") {
        if (!lastResults.length) {
            chrome.storage.local.get("lastResults").then((d) => {
                lastResults = d.lastResults || [];
                sendResponse?.({ data: lastResults });
            });
            return true; // async
        }
        sendResponse?.({ data: lastResults });
        return true;
    }

    if (msg?.type === "clear_results") {
        lastResults = [];
        chrome.storage.local.set({ lastResults: [] }).then(() => {
            chrome.runtime.sendMessage({ type: "results", data: [] });
            sendResponse?.({ ok: true });
        });
        return true;
    }
});

// Инициализация настроек (если понадобятся)
chrome.runtime.onInstalled.addListener(() => {
    chrome.storage.local.get({ waitMs: 6000 }).then((cfg) => {
        if (!cfg.waitMs) chrome.storage.local.set({ waitMs: 6000 });
    });
});