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/*
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 *  This file is part of CoCalc: Copyright © 2023 Sagemath, Inc.
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 *  License: MS-RSL – see LICENSE.md for details
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 */
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import getLogger from "../logger";
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const L = getLogger("env-to-number").debug;
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// parse environment variable and convert to integer, with fallback if number could not be parsed
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export function envToInt(name: string, fallback: number) {
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  const value = process.env[name];
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  if (value == null) {
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    // L(`envToInt: using fallback value ${fallback} for ${name}`);
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    return fallback;
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  }
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  const parsed = parseInt(value);
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  if (isNaN(parsed)) {
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    L(
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      `envToInt: could not parse ${name}=${value}, using fallback value ${fallback}`
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    );
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    return fallback;
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  }
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  return parsed;
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}
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// parse environment variable and convert to float, with fallback if number could not be parsed
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export function envToFloat(name: string, fallback: number) {
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  const value = process.env[name];
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  if (value == null) {
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    L(`envToFloat: using fallback value ${fallback} for ${name}`);
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    return fallback;
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  }
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  const parsed = parseFloat(value);
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  if (isNaN(parsed)) {
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    L(
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      `envToFloat: could not parse ${name}=${value}, using fallback value ${fallback}`
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    );
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    return fallback;
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  }
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  return parsed;
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}
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