// @/utils/alova-iview.ts
import { createBschAlova } from "./alova-core";
import { Message } from "view-ui-plus";
import conf from "@/assets/config/host.config";
import { describeFlowError } from "@/utils/flowError";

/* 全局 loading 遮罩实例 */
let spinInstance: any = null;

/* 主动关闭 loading */
function closeLoading() {
    if (spinInstance) {
        Message.destroy();
        spinInstance = null;
    }
}

const baseUrl = conf.serviceHost;

/* 创建带 View Design UI 的 Alova 实例 */
export const alovaInstance = createBschAlova(baseUrl, {
    injectHeaders(method) {
        //   currentRole: encodeURI(JSON.stringify({ userId, roleId, schId: schoolId })),
        if (localStorage.getItem("currentRole") != null) {
            method.config.headers["currentRole"] = localStorage.getItem("currentRole") as string;
        }
    },

    /* 2. 加载动画 – View Design Spin */
    onLoadingStart() {
        spinInstance = Message.loading("加载中...");
    },
    onLoadingEnd: closeLoading,
    /* 全局兜底提示（F05）：只有带 bizCode 的业务信封原文才回显，
       HTTP 状态文本/异常形态/无凭据文本一律换成不误导的通用话术（堆栈/SQL/令牌不进页面） */
    onBizError(msg: string, err?: unknown) {
        const text = describeFlowError(err ?? msg);
        if (!!text) Message.error(text);
    },

    onHttpError(msg: string, err?: unknown) {
        Message.error({ title: "请求未完成", content: describeFlowError(err ?? msg) });
    },
});