import { ipcMain } from "electron";
import { agentService } from "../services/engines/unifiedAgent";
import type {
  ComputerChatRequest,
  ComputerAgentStatusResponse,
  ComputerAgentStopResponse,
  ComputerAgentCancelResponse,
  HttpResult,
} from "../services/engines/unifiedAgent";

export function registerComputerHandlers(): void {
  ipcMain.handle("computer:chat", async (_, request: ComputerChatRequest) => {
    // 与 HTTP 路径一致：按 project_id 路由到对应 AcpEngine
    let acpEngine;
    try {
      acpEngine = await agentService.ensureEngineForRequest(request);
    } catch (err: any) {
      return {
        code: "5000",
        message: err.message || "Engine switch failed",
        data: null,
        tid: null,
        success: false,
      } as HttpResult;
    }
    if (!acpEngine) {
      return {
        code: "5000",
        message: "Agent not initialized",
        data: null,
        tid: null,
        success: false,
      } as HttpResult;
    }
    return acpEngine.chat(request);
  });

  ipcMain.handle(
    "computer:agentStatus",
    async (_, request: { user_id: string; project_id?: string }) => {
      const projectId = request.project_id || "";
      const projectEngine = agentService.getEngineForProject(projectId);
      const acpEngine = projectEngine || agentService.getAcpEngine();
      const session = acpEngine?.findSessionByProjectId(projectId) ?? null;
      const response: ComputerAgentStatusResponse = {
        user_id: request.user_id,
        project_id: projectId,
        is_alive: !!projectEngine,
        session_id: session?.id ?? null,
        status: session
          ? session.status === "active"
            ? "Busy"
            : "Idle"
          : null,
        last_activity: session?.lastActivity
          ? new Date(session.lastActivity).toISOString()
          : null,
        created_at: session ? new Date(session.createdAt).toISOString() : null,
      };
      return {
        code: "0000",
        message: "success",
        data: response,
        tid: null,
        success: true,
      } as HttpResult<ComputerAgentStatusResponse>;
    },
  );

  ipcMain.handle(
    "computer:agentStop",
    async (_, request: { user_id: string; project_id?: string }) => {
      const projectId = request.project_id || "";
      const acpEngine = projectId
        ? agentService.getEngineForProject(projectId)
        : agentService.getAcpEngine();
      if (acpEngine) {
        await agentService.stopEngine(projectId || undefined);
      }
      const response: ComputerAgentStopResponse = {
        success: true,
        message: acpEngine
          ? "Agent stopped successfully"
          : "Agent not found (already stopped)",
        user_id: request.user_id,
        project_id: projectId,
      };
      return {
        code: "0000",
        message: "success",
        data: response,
        tid: null,
        success: true,
      } as HttpResult<ComputerAgentStopResponse>;
    },
  );

  ipcMain.handle(
    "computer:cancelSession",
    async (
      _,
      request: { user_id: string; project_id?: string; session_id?: string },
    ) => {
      const projectId = request.project_id || "";
      const acpEngine =
        agentService.getEngineForProject(projectId) ||
        agentService.getAcpEngine();
      if (acpEngine && request.session_id) {
        await acpEngine.abortSession(request.session_id);
      } else if (acpEngine && projectId) {
        const session = acpEngine.findSessionByProjectId(projectId);
        if (session) await acpEngine.abortSession(session.id);
      }
      const response: ComputerAgentCancelResponse = {
        success: true,
        session_id: request.session_id || "",
      };
      return {
        code: "0000",
        message: "success",
        data: response,
        tid: null,
        success: true,
      } as HttpResult<ComputerAgentCancelResponse>;
    },
  );

  ipcMain.handle("computer:health", async () => {
    return {
      status: agentService.isReady ? "healthy" : "offline",
      engineType: agentService.getEngineType(),
      timestamp: new Date().toISOString(),
    };
  });
}