import * as ConfigStore from "@/activityConfig/store";
import { timingSafeEqual } from "crypto";
import { TABLES as T, validateConfig, failure, reject, periodDates } from "@/goldMiner/config";
import { collection, controlId, periodById } from "@/goldMiner/service";
import { setupIndexes } from "@/goldMiner/jobs";
import { publishTestPeriod } from "@/goldMiner/testPeriods";

export default async function (ctx: FunctionContext) {
  const body = ctx.body || {};
  try {
    const expected = process.env.ADMIN_TOKEN;
    if (!expected || typeof body.adminToken !== "string") reject("UNAUTHORIZED");
    const supplied = Buffer.from(body.adminToken), secret = Buffer.from(expected);
    if (supplied.length !== secret.length || !timingSafeEqual(supplied, secret)) reject("UNAUTHORIZED");
    if (body.action === "setup_indexes") { await setupIndexes(); return { code: 1, msg: "索引已准备" }; }
    if (body.action === "publish_test_period") {
      return { code: 1, data: await publishTestPeriod(body), msg: "测试临时期已发布" };
    }
    if (body.action === "publish") {
      if (!body.config || typeof body.config !== "object" || Array.isArray(body.config)) reject("CONFIG_UNAVAILABLE", "config 必须为 JSON 对象，请把活动参数放在请求的 config 字段内");
      const snapshot = validateConfig({ ...body.config, publishedAt: Date.now() });
      if (periodDates(snapshot.effectiveFromPeriodId).startsAt <= Date.now()) reject("CONFIG_UNAVAILABLE", "只能发布未来期配置");
      const { configVersion, publishedAt, ...config } = snapshot;
      try {
        const stored = await ConfigStore.publish("goldMiner", configVersion, periodDates(config.effectiveFromPeriodId).startsAt, config, body.enabled);
        snapshot.publishedAt = stored.publishedAt;
      }
      catch (error: any) { reject("CONFIG_UNAVAILABLE", error.message); }
      return { code: 1, data: { ...snapshot, enabled: body.enabled === undefined ? true : body.enabled }, msg: "后续期配置已发布" };
    }
    if (body.action === "set_purchasable") {
      if (typeof body.purchaseEnabled !== "boolean") reject("INVALID_INPUT", "purchaseEnabled 必须为 JSON 布尔值 true 或 false，不能使用字符串");
      if (typeof body.periodId !== "string") reject("INVALID_INPUT", "periodId 必须为字符串，请传入要调整购买开关的活动期 ID");
      if (!await periodById(body.periodId)) reject("NOT_FOUND");
      await collection(T.configs).updateOne({ _id: controlId(body.periodId) }, {
        $set: {
          activityId: "goldMiner", recordType: "control",
          periodId: body.periodId, purchaseEnabled: body.purchaseEnabled, updatedAt: Date.now()
        }
      }, { upsert: true });
      return { code: 1, msg: "购买开关已更新，已有权益不受影响" };
    }
    reject("INVALID_ACTION");
  } catch (error) { return failure(error); }
}