// popup.js

const TEMPLATE_STORAGE_KEY = 'message_templates';

async function getTemplates() {
    try {
        const result = await browser.storage.local.get(TEMPLATE_STORAGE_KEY);
        return result[TEMPLATE_STORAGE_KEY] || [];
    } catch (error) {
        console.error("Error retrieving templates in popup:", error);
        return [];
    }
}

function insertTemplateAndClose(templateText) {
    browser.runtime.sendMessage({
        action: 'insertTemplate',
        text: templateText
    }).catch(e => console.error("Error sending message to background:", e));
    window.close();
}

async function renderPopupButtons() {
    const templates = await getTemplates();
    const templateList = document.getElementById('template-list');
    templateList.innerHTML = '';

    if (templates.length === 0) {
        templateList.innerHTML = `
            <div class="empty-state">
                Keine Vorlagen vorhanden.<br>
                <a href="#" id="open-options">Jetzt einrichten</a>
            </div>`;
        document.getElementById('open-options').addEventListener('click', (e) => {
            e.preventDefault();
            browser.runtime.openOptionsPage();
            window.close();
        });
        return;
    }

    templates.forEach(template => {
        const button = document.createElement('button');
        button.textContent = template.name;
        button.addEventListener('click', () => {
            insertTemplateAndClose(template.content);
        });
        templateList.appendChild(button);
    });

    // Footer with manage link
    const footer = document.createElement('div');
    footer.className = 'footer';
    const manageLink = document.createElement('a');
    manageLink.href = "#";
    manageLink.textContent = 'Vorlagen verwalten';
    manageLink.addEventListener('click', (e) => {
        e.preventDefault();
        browser.runtime.openOptionsPage();
        window.close();
    });
    footer.appendChild(manageLink);
    templateList.parentNode.appendChild(footer);
}

document.addEventListener('DOMContentLoaded', renderPopupButtons);