let countdown = 0;
let timer = null;

function checkInputs() {
    const phone = document.getElementById('phoneInput').value;
    const code = document.getElementById('codeInput').value;
    const btn = document.getElementById('bindBtn');
    
    if (phone.length === 11 && code.length >= 4) {
        btn.style.opacity = '1';
    } else {
        btn.style.opacity = '0.6';
    }
}

function getCode() {
    const phone = document.getElementById('phoneInput').value;
    if (phone.length !== 11) {
        alert('请输入正确的手机号');
        return;
    }
    
    if (countdown > 0) return;
    
    const loadingOverlay = document.getElementById('loadingOverlay');
    loadingOverlay.style.display = 'flex';
    
    setTimeout(() => {
        loadingOverlay.style.display = 'none';
        startCountdown();
    }, 1500);
}

function startCountdown() {
    countdown = 60;
    const btn = document.getElementById('getCodeBtn');
    
    timer = setInterval(() => {
        countdown--;
        if (countdown <= 0) {
            clearInterval(timer);
            btn.textContent = '获取验证码';
            btn.style.color = '#333';
        } else {
            btn.textContent = `${countdown}s`;
            btn.style.color = '#999';
        }
    }, 1000);
}

function doBind() {
    const phone = document.getElementById('phoneInput').value;
    const code = document.getElementById('codeInput').value;
    
    if (phone.length !== 11) {
        alert('请输入正确的手机号');
        return;
    }
    
    if (code.length < 4) {
        alert('请输入验证码');
        return;
    }
    
    const toastOverlay = document.getElementById('toastOverlay');
    toastOverlay.style.display = 'flex';
    
    setTimeout(() => {
        toastOverlay.style.display = 'none';
        localStorage.setItem('isBound', 'true');
        window.location.href = 'profile.html';
    }, 1500);
}

document.addEventListener('DOMContentLoaded', function() {
    document.getElementById('bindBtn').style.opacity = '0.6';
});