import { LogEntry, SingleMetadata } from "../contract";
import { HttpError } from "../http-error";
import { db } from "./init";
import { zip } from "lodash-es";
import { json } from "./kysely-mariadb-json";

declare global {
  interface BigInt {
    /** Convert to BigInt to string form in JSON.stringify */
    toJSON: () => string;
  }
}
BigInt.prototype.toJSON = function () {
  return this.toString();
};

export async function postLog(
  gameName: string,
  version: string,
  saveGuid: string,
  sessionGuid: string,
  entries: LogEntry[]
  // message: string,
  // category: string | undefined,
  // metadata: SingleMetadata[]
) {
  if (
    gameName === "" ||
    sessionGuid === "" ||
    entries.some((entry) => entry.message === "") ||
    version === ""
  ) {
    const errorMessage = `One of the necessary fields was missing: gameName=${gameName}, sessionGuid=${sessionGuid}, messages=${entries
      .map((e) => e.message)
      .join(", ")}, version=${version}`;
    throw new HttpError(422, errorMessage);
  } else {
    await db.transaction().execute(async (trx) => {
      // upsert the session info
      await trx
        .insertInto("session_info")
        .ignore()
        .values({
          id: sessionGuid,
          game_name: gameName,
          save_id: saveGuid,
          version,
        })
        .execute();
      // add the main log lines with their metadata
      await trx
        .insertInto("log_entries")
        .values(
          entries.map((entry) => ({
            session_info_id: sessionGuid,
            message: entry.message,
            timestamp: new Date(),
            category: entry.category,
            metadata: json(entry.metadata.map((x) => [x.key, x.value])),
          }))
        )
        .returning("id")
        .execute();
    });
  }
}