import type { DesktopAccountInfo, MediaPlatform } from '@geo/shared-types'

import { resolveApiURL } from '@/lib/api'
import { resolveAccountCheckedAt, resolveAccountHealth } from '@/lib/desktop-account-runtime'
import {
  getPublishPlatformMeta,
  isMediaPublishAccount,
  isPublishPlatformId,
  normalizePublishPlatformId,
} from '@/lib/publish-platforms'

export type PublishState = 'immediate' | 'queued' | 'unavailable'

export interface PublishAccountCard {
  id: string
  platformId: string
  platformName: string
  platformShortName: string
  platformAccent: string
  platformLogoUrl: string | null
  displayName: string
  platformUid: string
  avatarUrl: string | null
  health: DesktopAccountInfo['health']
  verifiedAt: string | null
  clientId: string | null
  clientOnline: boolean | null
  accountSessionOnline: boolean | null
  taskConsumerOnline: boolean | null
  clientDeviceName: string | null
  clientLastSeenAt: string | null
  queuedPublishTaskCount: number
  oldestQueuedPublishTaskAt: string | null
  publishState: PublishState
  selectable: boolean
  statusText: string
}

const platformLogoCatalog: Record<string, string> = {
  toutiaohao: '/logos/logo_toutiao.png',
  baijiahao: '/logos/logo_baijiahao.png',
  sohuhao: '/logos/logo_souhu.png',
  qiehao: '/logos/logo_qiehao.png',
  zhihu: '/logos/logo_zhihu.png',
  wangyihao: '/logos/logo_wangyihao.png',
  jianshu: '/logos/logo_jianshu.svg',
  bilibili: '/logos/logo_bilibili.png',
  juejin: '/logos/logo_juejin.png',
  smzdm: '/logos/logo_smzdm.svg',
  weixin_gzh: '/logos/logo_weixin_gzh.svg',
  zol: '/logos/logo_zol.png',
  dongchedi: '/logos/logo_dongchedi.svg',
}

export function buildPublishPlatformMap(platforms: MediaPlatform[]): Map<string, MediaPlatform> {
  return new Map(
    platforms.map((platform) => [normalizePublishPlatformId(platform.platform_id), platform]),
  )
}

export function buildPublishAccountCards(
  accounts: DesktopAccountInfo[],
  platformMap: Map<string, MediaPlatform>,
  preferredPlatformIds: string[] = [],
): PublishAccountCard[] {
  const preferredPlatforms = new Set(preferredPlatformIds.map(normalizePublishPlatformId))

  return accounts
    .filter((account) => {
      if (!isMediaPublishAccount(account)) {
        return false
      }
      const platformId = normalizePublishPlatformId(account.platform)
      return platformMap.has(platformId) || isPublishPlatformId(platformId)
    })
    .map((account) => buildPublishAccountCard(account, platformMap))
    .sort((left, right) => {
      const preferredGap =
        Number(preferredPlatforms.has(right.platformId)) -
        Number(preferredPlatforms.has(left.platformId))
      if (preferredGap !== 0) {
        return preferredGap
      }

      const publishGap = publishRank(left.publishState) - publishRank(right.publishState)
      if (publishGap !== 0) {
        return publishGap
      }

      const leftVerifiedAt = Date.parse(left.verifiedAt ?? '') || 0
      const rightVerifiedAt = Date.parse(right.verifiedAt ?? '') || 0
      return rightVerifiedAt - leftVerifiedAt
    })
}

export function buildPublishAccountCard(
  account: DesktopAccountInfo,
  platformMap: Map<string, MediaPlatform>,
): PublishAccountCard {
  const platformId = normalizePublishPlatformId(account.platform)
  const platform = platformMap.get(platformId)
  const fallback = getPublishPlatformMeta(platformId)
  const publishState = resolvePublishState(account)
  const health = resolveAccountHealth(account)

  return {
    id: account.id,
    platformId,
    platformName: platform?.name || fallback.name,
    platformShortName: platform?.short_name || fallback.shortName,
    platformAccent: platform?.accent_color || fallback.accent,
    platformLogoUrl: resolvePlatformLogoUrl(platformId, platform?.logo_url),
    displayName: account.display_name,
    platformUid: normalizePlatformUid(account.platform_uid),
    avatarUrl: resolveApiURL(account.avatar_url),
    health,
    verifiedAt: resolveAccountCheckedAt(account),
    clientId: account.client_id,
    clientOnline: account.client_online,
    accountSessionOnline: account.account_session_online ?? null,
    taskConsumerOnline: account.task_consumer_online ?? null,
    clientDeviceName: account.client_device_name,
    clientLastSeenAt: account.client_last_seen_at,
    queuedPublishTaskCount: account.queued_publish_task_count ?? 0,
    oldestQueuedPublishTaskAt: account.oldest_queued_publish_task_at ?? null,
    publishState,
    selectable: publishState !== 'unavailable',
    statusText: resolvePublishStatusText(account, publishState),
  }
}

export function resolvePublishState(account: DesktopAccountInfo): PublishState {
  if (resolveAccountHealth(account) !== 'live') {
    return 'unavailable'
  }
  if (!account.client_id) {
    return 'unavailable'
  }
  return account.task_consumer_online === true ? 'immediate' : 'queued'
}

export function publishRank(state: PublishState): number {
  switch (state) {
    case 'immediate':
      return 0
    case 'queued':
      return 1
    default:
      return 2
  }
}

export function publishStateLabel(state: PublishState): string {
  switch (state) {
    case 'immediate':
      return '立即发布'
    case 'queued':
      return '离线排队'
    default:
      return '不可发布'
  }
}

export function publishStatusShortLabel(state: PublishState): string {
  switch (state) {
    case 'immediate':
      return '客户端在线'
    case 'queued':
      return '离线可排队'
    default:
      return '不可发布'
  }
}

export function healthLabel(health: DesktopAccountInfo['health']): string {
  switch (health) {
    case 'live':
      return '授权正常'
    case 'captcha':
      return '待处理'
    case 'risk':
      return '风险观察'
    default:
      return '授权异常'
  }
}

export function healthColor(health: DesktopAccountInfo['health']): string {
  switch (health) {
    case 'live':
      return 'green'
    case 'captcha':
      return 'orange'
    case 'risk':
      return 'gold'
    default:
      return 'red'
  }
}

export function clientStatusLabel(card: PublishAccountCard): string {
  if (!card.clientId) {
    return '未绑定客户端'
  }

  const state = card.clientOnline ? '心跳在线' : '心跳离线'
  const consumerState = card.taskConsumerOnline ? '任务通道在线' : '任务通道离线'
  const deviceName = card.clientDeviceName?.trim()
  return deviceName ? `${state} · ${consumerState} · ${deviceName}` : `${state} · ${consumerState}`
}

export function clientStatusTooltip(card: PublishAccountCard): string {
  if (!card.clientId) {
    return '未绑定桌面客户端'
  }

  const state = card.clientOnline ? '心跳在线' : '心跳离线'
  const consumerState = card.taskConsumerOnline ? '任务通道在线' : '任务通道离线'
  const deviceName = card.clientDeviceName?.trim()
  return deviceName ? `${state} · ${consumerState} · ${deviceName}` : `${state} · ${consumerState}`
}

export function clientStatusColor(card: PublishAccountCard): string {
  if (!card.clientId) {
    return 'default'
  }
  if (card.taskConsumerOnline) {
    return 'green'
  }
  return card.clientOnline ? 'orange' : 'gold'
}

export function accountInitial(
  card: Pick<PublishAccountCard, 'displayName' | 'platformShortName'>,
): string {
  const trimmed = card.displayName.trim()
  return trimmed ? trimmed.slice(0, 1).toUpperCase() : card.platformShortName
}

export function resolvePlatformLogoUrl(
  platformId: string,
  remoteLogoUrl?: string | null,
): string | null {
  const localLogoUrl = platformLogoCatalog[platformId]
  if (localLogoUrl) {
    return localLogoUrl
  }
  const resolvedRemoteLogoUrl = resolveApiURL(remoteLogoUrl)
  return resolvedRemoteLogoUrl || null
}

function resolvePublishStatusText(account: DesktopAccountInfo, publishState: PublishState): string {
  if (publishState === 'immediate') {
    return '任务消费通道在线，发布任务会立即被桌面端领取执行。'
  }
  if (publishState === 'queued') {
    const count = account.queued_publish_task_count ?? 0
    const queuePrefix = count > 0 ? `当前已有 ${count} 个发布任务排队。` : ''
    if (account.client_online === true) {
      return `${queuePrefix}客户端心跳在线，但任务消费通道未就绪；任务会落库排队，通道恢复后自动继续发布。`
    }
    return `${queuePrefix}客户端当前离线，任务会先落库排队，等桌面端上线后自动继续发布。`
  }
  if (resolveAccountHealth(account) !== 'live') {
    return '该账号授权状态异常，请先在桌面端重新校验或重新授权。'
  }
  return '该账号还没有绑定桌面客户端，当前不能进入发布队列。'
}

function normalizePlatformUid(value?: string | null): string {
  let normalized = String(value ?? '').trim()
  while (normalized.toLowerCase().startsWith('platform:')) {
    normalized = normalized.slice('platform:'.length).trim()
  }
  return normalized || '--'
}