import type { Plugin } from "@opencode-ai/plugin"

/**
 * 通知 Plugin
 * 在会话完成或发生错误时发送系统通知
 */
export const NotificationPlugin: Plugin = async ({ project, client, $ }) => {
  // 检测操作系统
  const platform = process.platform

  /**
   * 发送系统通知
   * @param title 通知标题
   * @param message 通知内容
   * @param isError 是否为错误通知
   */
  const sendNotification = async (title: string, message: string, isError: boolean = false) => {
    try {
      if (platform === "darwin") {
        // macOS - 使用 osascript
        const sound = isError ? ' sound name "Basso"' : ''
        await $`osascript -e 'display notification "${message}" with title "${title}"${sound}'`
      } else if (platform === "linux") {
        // Linux - 使用 notify-send
        const urgency = isError ? "-u critical" : ""
        await $`notify-send "${title}" "${message}" ${urgency}`
      } else if (platform === "win32") {
        // Windows - 使用 PowerShell
        const script = `Add-Type -AssemblyName System.Windows.Forms; [System.Windows.Forms.MessageBox]::Show('${message}', '${title}')`
        await $`powershell -Command "& {${script}}"`
      }

      // 记录日志
      await client.app.log({
        service: "notification",
        level: "info",
        message: `已发送通知: ${title} - ${message}`,
      })
    } catch (error) {
      // 如果通知发送失败，记录错误但不中断流程
      await client.app.log({
        service: "notification",
        level: "error",
        message: `发送通知失败: ${error}`,
      })
    }
  }

  return {
    event: async ({ event }) => {
      const projectName = project?.name || "OpenCode"

      // 会话完成时发送通知
      if (event.type === "session.idle") {
        await sendNotification(
          projectName,
          "会话已完成！",
          false
        )
      }

      // 会话错误时发送通知
      if (event.type === "session.error") {
        await sendNotification(
          projectName,
          "会话发生错误！",
          true
        )
      }
    },
  }
}