// shared/lib/wechat/wechat-pusher.ts — 企业微信 Webhook 通用客户端
export interface PushResult {
  success: boolean
  responseCode: number | null
  responseBody: string | null
  error?: string
}

export class WeChatPusher {
  private webhookUrl: string

  constructor(webhookUrl: string) {
    this.webhookUrl = webhookUrl
  }

  // 推送 markdown 消息
  async pushMarkdown(title: string, content: string): Promise<PushResult> {
    return this.push({
      msgtype: 'markdown',
      markdown: { content: `## ${title}\n${content}` },
    })
  }

  // 推送纯文本消息
  async pushText(content: string): Promise<PushResult> {
    return this.push({ msgtype: 'text', text: { content } })
  }

  // 通用推送
  private async push(message: Record<string, unknown>): Promise<PushResult> {
    try {
      const res = await fetch(this.webhookUrl, {
        method: 'POST',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify(message),
        signal: AbortSignal.timeout(5000),
      })
      const body = await res.text().catch(() => null)
      return { success: res.ok, responseCode: res.status, responseBody: body }
    } catch (err) {
      return { success: false, responseCode: null, responseBody: null, error: 'Network request failed' }
    }
  }
}

// 兼容适配器（降低 issue-ai 迁移成本）
export class WeChatPusherCompat {
  private pusher: WeChatPusher

  constructor(webhookUrl: string) {
    this.pusher = new WeChatPusher(webhookUrl)
  }

  // 兼容旧接口：返回 Promise<boolean>
  async pushText(text: string, _webhookUrl?: string): Promise<boolean> {
    const result = await this.pusher.pushText(text)
    return result.success
  }
}