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/*
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 *  This file is part of CoCalc: Copyright © 2020 Sagemath, Inc.
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 *  License: MS-RSL – see LICENSE.md for details
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 */
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import { SyncDoc, SyncOpts0, SyncOpts } from "../generic/sync-doc";
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import { from_str, DBDocument } from "./doc";
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import { Document, DocType } from "../generic/types";
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export interface SyncDBOpts0 extends SyncOpts0 {
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  primary_keys: string[];
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  string_cols: string[];
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}
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export interface SyncDBOpts extends SyncDBOpts0 {
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  from_str: (str: string) => Document;
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  doctype: DocType;
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}
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export class SyncDB extends SyncDoc {
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  constructor(opts: SyncDBOpts0) {
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    // Typescript question -- What is the right way to do this?
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    const opts1: SyncDBOpts = opts as unknown as SyncDBOpts;
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    if (opts1.primary_keys == null || opts1.primary_keys.length <= 0) {
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      throw Error("primary_keys must have length at least 1");
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    }
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    opts1.from_str = (str) =>
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      from_str(str, opts1.primary_keys, opts1.string_cols);
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    opts1.doctype = {
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      type: "db",
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      patch_format: 1,
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      opts: {
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        primary_keys: opts1.primary_keys,
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        string_cols: opts1.string_cols,
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      },
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    };
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    super(opts1 as SyncOpts);
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  }
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  get_one(arg?) : any {
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    // I know it is really of type DBDocument.
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    return (this.get_doc() as DBDocument).get_one(arg);
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  }
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}
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