document.addEventListener('DOMContentLoaded', () => {
  const hostInput = document.getElementById('host');
  const portInput = document.getElementById('port');
  const userInput = document.getElementById('user');
  const passwordInput = document.getElementById('password');
  const databaseInput = document.getElementById('database');
  
  const btnTest = document.getElementById('btnTest');
  const btnInit = document.getElementById('btnInit');
  const messageBox = document.getElementById('messageBox');
  
  function showMessage(msg, isError = false) {
    messageBox.textContent = msg;
    messageBox.className = 'form-message ' + (isError ? 'error' : 'success');
  }
  
  btnTest.addEventListener('click', async () => {
    btnTest.disabled = true;
    const oldText = btnTest.textContent;
    btnTest.textContent = '测试中...';
    try {
      const res = await fetch('/api/setup/test', {
        method: 'POST',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({
          host: hostInput.value,
          port: portInput.value,
          user: userInput.value,
          password: passwordInput.value
        })
      });
      const data = await res.json();
      if (data.success) {
        showMessage('连接成功！可以进行初始化。');
      } else {
        showMessage('连接失败: ' + (data.error || '未知错误'), true);
      }
    } catch (err) {
      showMessage('请求失败: ' + err.message, true);
    } finally {
      btnTest.disabled = false;
      btnTest.textContent = oldText;
    }
  });
  
  btnInit.addEventListener('click', async () => {
    btnInit.disabled = true;
    const oldText = btnInit.textContent;
    btnInit.textContent = '初始化中...';
    try {
      const res = await fetch('/api/setup/init', {
        method: 'POST',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({
          host: hostInput.value,
          port: portInput.value,
          user: userInput.value,
          password: passwordInput.value,
          database: databaseInput.value
        })
      });
      const data = await res.json();
      if (data.success) {
        showMessage('初始化成功！即将跳转到系统首页面...');
        setTimeout(() => {
          window.location.href = '/';
        }, 1500);
      } else {
        showMessage('初始化失败: ' + (data.error || '未知错误'), true);
        btnInit.disabled = false;
        btnInit.textContent = oldText;
      }
    } catch (err) {
      showMessage('请求失败: ' + err.message, true);
      btnInit.disabled = false;
      btnInit.textContent = oldText;
    }
  });
});