// ==================== POPUP РАСШИРЕНИЯ ====================

const DEFAULT_CONFIG = {
    debug: { enabled: true },
    disabledSites: [],
    autologin: { username: '', password: '', delay: 500 }
};

const el = {
    disableOnSite: document.getElementById('disable-on-site'),
    disableOnSiteLabel: document.getElementById('disable-on-site-label'),
    debug: document.getElementById('debug'),
    btnLogin: document.getElementById('btn-login'),
    loginStatus: document.getElementById('login-status'),
    reloadRow: document.getElementById('reload-row'),
    btnReload: document.getElementById('btn-reload')
};

function getStr(path) {
    const o = window.CAPS_STRINGS || {};
    const val = path.split('.').reduce((acc, k) => acc && acc[k], o);
    return (val !== undefined && val !== null) ? val : path;
}
function applyPopupStrings() {
    document.querySelectorAll('[data-i18n]').forEach((node) => {
        const key = node.getAttribute('data-i18n');
        const text = getStr(key);
        if (text === '') {
            node.style.display = 'none';
        } else if (text && node.tagName !== 'OPTION') {
            node.textContent = text;
        }
    });
}
function updateDisableOnSiteLabel() {
    if (!el.disableOnSiteLabel) return;
    el.disableOnSiteLabel.textContent = el.disableOnSite.checked ? getStr('popup.siteWorking') : getStr('popup.siteDisabled');
}

let currentHostname = '';

function showLoginStatus(text, type) {
    el.loginStatus.textContent = text;
    el.loginStatus.className = 'status-text ' + (type || '');
}

function loadConfig() {
    return new Promise((resolve) => {
        chrome.storage.sync.get(['config'], (result) => {
            const config = result.config || {};
            resolve(config);
        });
    });
}

function saveConfig(updates) {
    return new Promise((resolve) => {
        chrome.storage.sync.get(['config'], (result) => {
            const config = { ...(result.config || {}), ...updates };
            if (!Array.isArray(config.disabledSites)) config.disabledSites = [];
            chrome.storage.sync.set({ config }, () => {
                // Уведомить вкладки об обновлении конфига
                chrome.tabs.query({}, (tabs) => {
                    tabs.forEach((tab) => {
                        chrome.tabs.sendMessage(tab.id, { type: 'CONFIG_UPDATED', config }).catch(() => {});
                    });
                });
                resolve();
            });
        });
    });
}

function getActiveTab() {
    return new Promise((resolve) => {
        chrome.tabs.query({ active: true, currentWindow: true }, (tabs) => {
            resolve(tabs[0] || null);
        });
    });
}

async function init() {
    applyPopupStrings();
    const [config, tab] = await Promise.all([loadConfig(), getActiveTab()]);
    currentHostname = tab ? new URL(tab.url || 'http://a').hostname : '';

    /* Слайд вкл = расширение работает (сайт НЕ в списке отключённых) */
    const disabledSites = config.disabledSites || [];
    el.disableOnSite.checked = currentHostname ? !disabledSites.includes(currentHostname) : false;
    el.disableOnSite.disabled = !currentHostname;
    updateDisableOnSiteLabel();

    const debug = config.debug || DEFAULT_CONFIG.debug;
    el.debug.checked = debug.enabled !== false;

    function showReloadButton() {
        if (el.reloadRow) el.reloadRow.classList.remove('hidden');
    }

    el.disableOnSite.addEventListener('change', async () => {
        updateDisableOnSiteLabel();
        let list = (await loadConfig()).disabledSites || [];
        if (!Array.isArray(list)) list = [];
        if (el.disableOnSite.checked) {
            list = list.filter((h) => h !== currentHostname);
        } else {
            if (currentHostname && !list.includes(currentHostname)) list.push(currentHostname);
        }
        await saveConfig({ disabledSites: list });
        showReloadButton();
    });

    el.debug.addEventListener('change', async () => {
        const config = await loadConfig();
        const debug = config.debug || { modules: {} };
        await saveConfig({ debug: { ...debug, enabled: el.debug.checked } });
        showReloadButton();
    });

    el.btnReload.addEventListener('click', async () => {
        const tab = await getActiveTab();
        if (tab && tab.id) {
            chrome.tabs.reload(tab.id);
            window.close();
        }
    });

    el.btnLogin.addEventListener('click', async () => {
        const tab = await getActiveTab();
        if (!tab || !tab.id) {
            showLoginStatus(getStr('popup.statusNoTab'), 'error');
            return;
        }
        const config = await loadConfig();
        const user = (config.autologin || {}).username;
        const pass = (config.autologin || {}).password;
        if (!user || !pass) {
            showLoginStatus(getStr('popup.statusNoCredentials'), 'error');
            return;
        }
        el.btnLogin.disabled = true;
        showLoginStatus('…', '');
        try {
            const response = await chrome.tabs.sendMessage(tab.id, { type: 'PERFORM_LOGIN' });
            if (response && response.ok) {
                showLoginStatus(getStr('popup.statusLoginOk'), 'success');
            } else {
                const err = (response && response.error) || 'error';
                const msg = err === 'not_login_page' ? getStr('popup.statusNotLoginPage') : err === 'no_credentials' ? getStr('popup.statusNoCredentialsShort') : getStr('popup.statusLoginError');
                showLoginStatus(msg, 'error');
            }
        } catch (e) {
            showLoginStatus(getStr('popup.statusOpenLoginPage'), 'error');
        }
        el.btnLogin.disabled = false;
    });
}

init();