import { z } from "zod";
import { getSystemSetting } from "@/lib/db/queries";
import { ChatSDKError } from "@/lib/errors";
import { requireAdmin } from "@/lib/middleware/admin";
import {
  DINGTALK_ROBOT_NOTIFICATION_CONFIG_KEY,
  defaultDingTalkRobotNotificationConfig,
  normalizeDingTalkRobotNotificationConfig,
} from "@/lib/notifications/dingtalk-robot-config";
import { sendDingTalkRobotNotification } from "@/lib/notifications/dingtalk-robot";

const bodySchema = z.object({
  title: z.string().trim().min(1, "通知标题不能为空").max(100, "通知标题过长"),
  content: z
    .string()
    .trim()
    .min(1, "通知内容不能为空")
    .max(20000, "通知内容过长"),
});

export async function POST(request: Request) {
  try {
    await requireAdmin();

    const body = bodySchema.parse(await request.json());
    const setting = await getSystemSetting({
      key: DINGTALK_ROBOT_NOTIFICATION_CONFIG_KEY,
    }).catch(() => null);

    const config = setting?.value
      ? normalizeDingTalkRobotNotificationConfig(setting.value)
      : defaultDingTalkRobotNotificationConfig;

    const result = await sendDingTalkRobotNotification({
      config,
      title: body.title,
      content: body.content,
    });

    return Response.json({
      success: true,
      result,
    });
  } catch (error) {
    if (error instanceof ChatSDKError) {
      return error.toResponse();
    }

    if (error instanceof z.ZodError) {
      return Response.json(
        {
          success: false,
          error: error.issues[0]?.message || "参数校验失败",
        },
        { status: 400 },
      );
    }

    return Response.json(
      {
        success: false,
        error: error instanceof Error ? error.message : "发送钉钉通知失败",
      },
      { status: 500 },
    );
  }
}