(() => {
  const SOURCE_ADMIN = 'yidaima-admin'
  const SOURCE_EXTENSION = 'yidaima-publisher-extension'
  const VERSION = chrome.runtime.getManifest().version

  function isPublishPage() {
    return location.pathname.indexOf('/office/publish') >= 0
  }

  function announceReady() {
    if (!isPublishPage()) return
    window.dispatchEvent(new CustomEvent('YIDAIMA_EXTENSION_READY', {
      detail: { source: SOURCE_EXTENSION, version: VERSION }
    }))
  }

  window.addEventListener('YIDAIMA_EXTENSION_PING', event => {
    if (!isPublishPage() || !event.detail || event.detail.source !== SOURCE_ADMIN) return
    chrome.runtime.sendMessage({ type: 'ADMIN_PING' }, response => {
      if (chrome.runtime.lastError || !response || !response.ok) return
      announceReady()
    })
  })

  window.addEventListener('YIDAIMA_START_PUBLISH', event => {
    const detail = event.detail
    if (!isPublishPage() || !detail || detail.source !== SOURCE_ADMIN) return
    const payload = {
      taskId: detail.taskId,
      token: detail.token,
      platform: detail.platform,
      apiBaseUrl: detail.apiBaseUrl
    }
    chrome.runtime.sendMessage({ type: 'ADMIN_START_PUBLISH', payload }, response => {
      const error = chrome.runtime.lastError
      window.dispatchEvent(new CustomEvent('YIDAIMA_PUBLISH_ACCEPTED', {
        detail: {
          source: SOURCE_EXTENSION,
          taskId: payload.taskId,
          ok: !error && Boolean(response && response.ok),
          message: error ? error.message : (response && response.message)
        }
      }))
    })
  })

  window.addEventListener('YIDAIMA_START_PUBLISH_BATCH', event => {
    const detail = event.detail
    if (!isPublishPage() || !detail || detail.source !== SOURCE_ADMIN || !Array.isArray(detail.tasks)) return
    const payload = {
      batchId: detail.batchId,
      apiBaseUrl: detail.apiBaseUrl,
      tasks: detail.tasks.map(task => ({
        taskId: task.taskId,
        token: task.token,
        platform: task.platform
      }))
    }
    chrome.runtime.sendMessage({ type: 'ADMIN_START_PUBLISH_BATCH', payload }, response => {
      const error = chrome.runtime.lastError
      window.dispatchEvent(new CustomEvent('YIDAIMA_PUBLISH_ACCEPTED', {
        detail: {
          source: SOURCE_EXTENSION,
          batchId: payload.batchId,
          ok: !error && Boolean(response && response.ok),
          message: error ? error.message : (response && response.message)
        }
      }))
    })
  })

  chrome.runtime.onMessage.addListener(message => {
    if (!message || message.type !== 'ADMIN_PUBLISH_STATUS' || !isPublishPage()) return
    window.dispatchEvent(new CustomEvent('YIDAIMA_PUBLISH_STATUS', {
      detail: { source: SOURCE_EXTENSION, ...message.payload }
    }))
  })

  if (document.readyState === 'loading') {
    document.addEventListener('DOMContentLoaded', announceReady, { once: true })
  } else {
    announceReady()
  }
})()