// ==UserScript==
// @name         Quiz Assistant (Lightning AI)
// @namespace    http://tampermonkey.net/
// @version      1.1
// @description  Reads questions and queries Lightning AI (Gemini 3.1 Pro)
// @match        *://*/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    // --- 1. CONFIGURATION ---
    const LIGHTNING_API_KEY = "f42e9493-71bd-4d04-affd-55d4ee6ed60f"; 
    // UPDATE THIS: Find the CSS selector for the question text.
    const QUESTION_SELECTOR = ".loaded"; 

    // --- 2. CREATE MODAL UI ---
    const modal = document.createElement('div');
    modal.id = 'lightning-assistant-modal';
    Object.assign(modal.style, {
        position: 'fixed',
        top: '20px',
        right: '20px',
        width: '400px',
        maxHeight: '80vh',
        overflowY: 'auto',
        backgroundColor: '#121212',
        color: '#e0e0e0',
        padding: '20px',
        borderRadius: '12px',
        boxShadow: '0 10px 30px rgba(0,0,0,0.5)',
        zIndex: '999999',
        display: 'none',
        fontFamily: 'Segoe UI, Tahoma, Geneva, Verdana, sans-serif',
        fontSize: '14px',
        lineHeight: '1.5',
        border: '1px solid #333'
    });
    
    const title = document.createElement('div');
    title.innerHTML = '⚡ <strong>Lightning Assistant</strong>';
    title.style.marginBottom = '15px';
    title.style.paddingBottom = '10px';
    title.style.borderBottom = '1px solid #333';
    modal.appendChild(title);

    const contentDiv = document.createElement('div');
    contentDiv.id = 'lightning-response-content';
    contentDiv.innerText = 'Listening for questions...';
    modal.appendChild(contentDiv);

    document.body.appendChild(modal);

    // --- 3. KEYBOARD SHORTCUTS ---
    document.addEventListener('keydown', (e) => {
        // Show: Ctrl + M
        if (e.ctrlKey && e.key.toLowerCase() === 'm') {
            e.preventDefault();
            modal.style.display = 'block';
        }
        // Hide: Ctrl + H
        if (e.ctrlKey && e.key.toLowerCase() === 'h') {
            e.preventDefault();
            modal.style.display = 'none';
        }
    });

    // --- 4. LIGHTNING AI API LOGIC ---
    async function queryLightning(questionText) {
        contentDiv.innerHTML = '<i>Processing question...</i>';
        
        const url = "https://lightning.ai/api/v1/chat/completions";
        
        const payload = {
            model: "google/gemini-3.1-pro-preview",
            messages: [
                {
                    role: "user",
                    content: [
                        {
                            type: "text",
                            text: `Answer this quiz question concisely. Provide the correct option or a short explanation: ${questionText}`
                        }
                    ]
                }
            ]
        };

        try {
            const response = await fetch(url, {
                method: 'POST',
                headers: { 
                    'Content-Type': 'application/json',
                    'Authorization': `Bearer ${LIGHTNING_API_KEY}`
                },
                body: JSON.stringify(payload)
            });

            if (!response.ok) {
                const errorData = await response.json();
                throw new Error(errorData.error?.message || `Status: ${response.status}`);
            }

            const data = await response.json();
            
            // Standard OpenAI-style response path
            const answer = data.choices[0].message.content;
            
            contentDiv.innerHTML = `<strong>Answer:</strong><br>${answer.replace(/\n/g, '<br>')}`;
        } catch (error) {
            contentDiv.innerHTML = `<span style="color:#ff6b6b;">Error: ${error.message}</span>`;
            console.error("Lightning API Error:", error);
        }
    }

    // --- 5. AUTOMATION LOGIC ---
    let lastProcessedQuestion = "";

    function checkForNewQuestion() {
        const questionElement = document.querySelector(QUESTION_SELECTOR);
        if (questionElement) {
            const currentQuestionText = questionElement.innerText.trim();
            if (currentQuestionText && currentQuestionText !== lastProcessedQuestion) {
                lastProcessedQuestion = currentQuestionText;
                queryLightning(currentQuestionText);
            }
        }
    }

    const observer = new MutationObserver(checkForNewQuestion);
    observer.observe(document.body, { childList: true, subtree: true, characterData: true });

    // Initial check
    setTimeout(checkForNewQuestion, 1000);

})();