// 管理员API
const ADMIN_BASE_URL = ''

function getAdminToken() {
  return localStorage.getItem('admin_token') || ''
}

async function request(url, options = {}) {
  const token = getAdminToken()
  
  const response = await fetch(`${ADMIN_BASE_URL}${url}`, {
    ...options,
    headers: {
      'Content-Type': 'application/json',
      ...(token ? { 'Authorization': `Bearer ${token}` } : {}),
      ...(options.headers || {}),
    },
  })

  if (!response.ok) {
    if (response.status === 401 || response.status === 403) {
      // token无效，清除并跳转登录
      localStorage.removeItem('admin_token')
      if (window.location.pathname !== '/admin/login') {
        window.location.href = '/admin/login'
      }
    }
    throw new Error(`HTTP error! status: ${response.status}`)
  }

  return await response.json()
}

/**
 * 管理员登录
 */
export async function adminLogin(password) {
  return await request('/api/admin/login', {
    method: 'POST',
    body: JSON.stringify({ password }),
  })
}

/**
 * 播放
 */
export async function adminPlay() {
  return await request('/api/admin/playback/play', {
    method: 'POST',
  })
}

/**
 * 暂停
 */
export async function adminPause() {
  return await request('/api/admin/playback/pause', {
    method: 'POST',
  })
}

/**
 * 发送公告
 */
export async function adminSendAnnouncement(announcement) {
  return await request('/api/admin/announcement', {
    method: 'POST',
    body: JSON.stringify(announcement),
  })
}

/**
 * 设置特定用户的音量
 */
export async function adminSetUserVolume(userId, volume, muted) {
  // 确保userId是字符串
  const userIdStr = String(userId)
  console.log('调用adminSetUserVolume:', userIdStr, volume, muted)
  return await request(`/api/admin/user/${encodeURIComponent(userIdStr)}/volume`, {
    method: 'POST',
    body: JSON.stringify({ volume, muted }),
  })
}

/**
 * 设置特定用户的静音状态
 */
export async function adminSetUserMute(userId, muted) {
  // 确保userId是字符串
  const userIdStr = String(userId)
  console.log('调用adminSetUserMute:', userIdStr, muted)
  return await request(`/api/admin/user/${encodeURIComponent(userIdStr)}/mute`, {
    method: 'POST',
    body: JSON.stringify({ muted }),
  })
}

/**
 * 获取播放状态
 */
export async function adminGetPlaybackState() {
  return await request('/api/admin/playback/state', {
    method: 'GET',
  })
}

/**
 * 获取所有在线用户
 */
export async function adminGetAllUsers() {
  return await request('/api/admin/users', {
    method: 'GET',
  })
}

/**
 * 调整播放进度
 */
export async function adminSeek(time) {
  return await request('/api/admin/playback/seek', {
    method: 'POST',
    body: JSON.stringify({ time }),
  })
}