let currentLanguage = 'fr';
const terminal = document.getElementById('terminal');
const userInput = document.getElementById('user-input');
const welcomeText = document.getElementById('welcome-text');
const inputLine = document.getElementById('input-line');

async function initTerminal(lang) {
    currentLanguage = lang;
    const response = await fetch(`/api/command/help?lang=${currentLanguage}`);
    const data = await response.json();
    const welcomeMsg = currentLanguage === 'fr' 
        ? "Bienvenue dans le Portfolio de Thomas Brasdefer.\nTapez 'help' pour voir la liste des commandes disponibles. Type 'language' to switch to English."
        : "Welcome to Thomas Brasdefer's Portfolio.\nType 'help' to see the list of available commands. Tapez 'language' pour passer en français.";
    
    typeText(welcomeMsg, welcomeText);
}

function typeText(text, element, speed = 50) {
    let i = 0;
    element.innerHTML = '';
    function type() {
        if (i < text.length) {
            element.innerHTML += text.charAt(i);
            i++;
            setTimeout(type, speed);
        } else {
            inputLine.style.display = 'flex';
            userInput.focus();
        }
    }
    type();
}

userInput.addEventListener('keydown', async function(event) {
    if (event.key === 'Enter') {
        const command = userInput.value.trim().toLowerCase();
        addToTerminal(`$ ${command}`);
        
        if (command === 'clear') {
            clearTerminal();
        } else if (command === 'language') {
            currentLanguage = currentLanguage === 'fr' ? 'en' : 'fr';
            const response = await fetch(`/api/language/${currentLanguage}`);
            const data = await response.json();
            addToTerminal(data.responseText);
        } else {
            const response = await fetch(`/api/command/${command}?lang=${currentLanguage}`);
            const data = await response.json();
            if (data.responseHtml) {
                addToTerminalHtml(data.responseText);
            } else {
                addToTerminal(data.responseText);
            }
        }
        
        userInput.value = '';
    }
});

function addToTerminal(text) {
    const output = document.createElement('div');
    output.classList.add('output');
    output.textContent = text;
    terminal.insertBefore(output, inputLine);
    terminal.scrollTop = terminal.scrollHeight;
}

function addToTerminalHtml(html) {
    const output = document.createElement('div');
    output.classList.add('output');
    output.innerHTML = html;
    terminal.insertBefore(output, inputLine);
    terminal.scrollTop = terminal.scrollHeight;
}

function clearTerminal() {
    const outputs = document.querySelectorAll('.output');
    outputs.forEach(output => output.remove());
    welcomeText.innerHTML = '';
}