/**
 * CC 客户留言 / 工单写入
 * 管理端对齐 ccnew SRCustomerMessage/Form → POST /CustomerMessage/SaveForm
 */
import { logger } from "@/lib/logger";
import { ccAuth } from "@/services/cc/auth";
import { CcHttpClient } from "@/services/cc/http";
import { normalizeCcCode } from "@/services/cc/code";
import { resolveWriteMode } from "@/services/cc/write-capability";
import { formatCcApiFailure, formatCcCause } from "@/constants/error-copy";
import type { CustomerMessageEntity } from "@/services/cc/customer-message-entity";
import { normalizeExternalId } from "@/services/import/import-log-meta";

export type { CustomerMessageEntity } from "@/services/cc/customer-message-entity";
export { toCcCustomerMessageEntity } from "@/services/cc/customer-message-entity";

const SAVE_PATH = "/CustomerMessage/SaveForm";
const ccHttp = new CcHttpClient(ccAuth);

export type SaveCustomerMessageResult = {
  ok: boolean;
  mode: "live" | "mock" | "off";
  externalId?: string | null;
  request: unknown;
  response: unknown;
  error?: string;
};

export async function saveCustomerMessage(
  entity: CustomerMessageEntity,
  opts?: { mailId?: string },
): Promise<SaveCustomerMessageResult> {
  const mode = await resolveWriteMode("customer_message");
  const request = {
    keyValue: "",
    entity,
    mail_id: opts?.mailId,
  };

  if (mode === "off") {
    return {
      ok: false,
      mode,
      request,
      response: null,
      error: formatCcCause("CC_WRITE_OFF"),
    };
  }

  if (mode === "mock") {
    const externalId = `mock-wo-${Date.now()}`;
    logger.info({ mailId: opts?.mailId }, "cc.customer_message_mock");
    return {
      ok: true,
      mode: "mock",
      externalId,
      request,
      response: { code: 200, data: externalId, mock: true },
    };
  }

  try {
    const res = await ccHttp.request(SAVE_PATH, {
      keyValue: null,
      entity,
    });
    const code = normalizeCcCode(res.code);
    const ok = code === 200;
    return {
      ok,
      mode: "live",
      externalId: ok ? normalizeExternalId(res.data) : null,
      request,
      response: res,
      error: ok
        ? undefined
        : formatCcApiFailure({
            api: "SaveForm",
            code,
            info: String(
              (res as { info?: string; message?: string }).info ||
                (res as { message?: string }).message ||
                "",
            ),
            fallback: "CC_WO_FAILED",
          }),
    };
  } catch (err) {
    return {
      ok: false,
      mode: "live",
      request,
      response: null,
      error: formatCcCause(
        err instanceof Error ? err.message : "CC_WO_ERROR",
      ),
    };
  }
}