// server/api/images/history/[id]/public.post.ts - 生图历史公开接口：将当前用户单条生图记录发布到广场。
import type { IImagePublicStateData } from "#shared/types/openai";
import {
  clearNewApiAuthCookies,
  createApiLogger,
  createErrorResponse,
  createSuccessResponse,
  createUpstreamErrorResponse,
  getNewApiUserIdFromCookie,
  isUnauthorizedError,
  publishImageGenerationToPlaza,
  toSafeLogError
} from "~~/server/utils";

/**
 * POST /api/images/history/:id/public
 *
 * 流程：
 * 1. 从 httpOnly cookie 读取当前用户 ID。
 * 2. 只允许公开当前用户、未软删除的生图记录。
 * 3. 允许图片尚未归档时先创建公开记录；广场列表会等 hostedImageUrl 可用后再展示。
 * 4. 不返回上游响应、图床响应或内部错误详情。
 */
export default defineEventHandler(async (event) => {
  const logger = createApiLogger("images.history.public.publish");
  logger.info("开始");

  try {
    const userId = getNewApiUserIdFromCookie(event);
    const recordId = parseRecordId(getRouterParam(event, "id"));

    logger.info("公开参数", {
      userId,
      recordId: recordId.toString()
    });

    const result = await publishImageGenerationToPlaza(userId, recordId);

    if (!result) {
      logger.warn("记录不存在", {
        userId,
        recordId: recordId.toString()
      });
      return createErrorResponse(404, "生图记录不存在");
    }

    if (result === "REMOVED") {
      logger.warn("记录已下架，不能重新公开", {
        userId,
        recordId: recordId.toString()
      });
      return createErrorResponse(403, "图片已下架，无法公开");
    }

    logger.done("成功", {
      userId,
      recordId: recordId.toString()
    });

    return createSuccessResponse<IImagePublicStateData>(result, "图片已公开");
  } catch (error) {
    if (isUnauthorizedError(error)) {
      clearNewApiAuthCookies(event);
      logger.warn("未登录或登录态失效", {
        error: toSafeLogError(error)
      });
      return createErrorResponse(401, "未登录");
    }

    if (isBadRequestError(error)) {
      return createErrorResponse(400, "生图记录 ID 不正确");
    }

    logger.error("失败", {
      error: toSafeLogError(error)
    });
    return createUpstreamErrorResponse(error, "公开图片失败");
  }
});

/** 校验并解析路由里的生图记录 ID */
const parseRecordId = (value: string | undefined): bigint => {
  if (!value || !/^\d+$/.test(value)) {
    throw createError({
      statusCode: 400,
      statusMessage: "生图记录 ID 不正确"
    });
  }

  return BigInt(value);
};

const isBadRequestError = (error: unknown): boolean => {
  return (
    typeof error === "object" &&
    error !== null &&
    "statusCode" in error &&
    error.statusCode === 400
  );
};