streetmerchant/src/logger.ts

import {Link, Store} from './store/model';
import chalk from 'chalk';
import {config} from './config';
import winston from 'winston';

const prettyJson = winston.format.printf(info => {
  const timestamp = new Date().toLocaleTimeString();

  let out = `${chalk.grey(`[${timestamp}]`)} ${info.level} ${chalk.grey(
    '::'
  )} ${info.message}`;

  if (Object.keys(info.metadata).length > 0) {
    out = `${out} ${chalk.magenta(JSON.stringify(info.metadata, null, 2))}`;
  }

  return out;
});

export const logger = winston.createLogger({
  format: winston.format.combine(
    winston.format.colorize(),
    winston.format.metadata({
      fillExcept: ['level', 'message', 'timestamp'],
    }),
    prettyJson
  ),
  level: config.logLevel,
  transports: [new winston.transports.Console({})],
});

export const Print = {
  backoff(
    link: Link,
    store: Store,
    parameters: {delay: number; statusCode: number},
    color?: boolean
  ): string {
    if (color) {
      return (
        '✖ ' +
        buildProductString(link, store, true) +
        ' :: ' +
        chalk.yellow(
          `BACKOFF DELAY status=${parameters.statusCode} delay=${parameters.delay}`
        )
      );
    }

    return `✖ ${buildProductString(link, store)} :: BACKOFF DELAY status=${
      parameters.statusCode
    } delay=${parameters.delay}`;
  },
  badStatusCode(
    link: Link,
    store: Store,
    statusCode: number,
    color?: boolean
  ): string {
    if (color) {
      return (
        '✖ ' +
        buildProductString(link, store, true) +
        ' :: ' +
        chalk.yellow(`STATUS CODE ERROR ${statusCode}`)
      );
    }

    return `✖ ${buildProductString(
      link,
      store
    )} :: STATUS CODE ERROR ${statusCode}`;
  },
  bannedSeller(link: Link, store: Store, color?: boolean): string {
    if (color) {
      return (
        '✖ ' +
        buildProductString(link, store, true) +
        ' :: ' +
        chalk.yellow('BANNED SELLER')
      );
    }

    return `✖ ${buildProductString(link, store)} :: BANNED SELLER`;
  },
  captcha(link: Link, store: Store, color?: boolean): string {
    if (color) {
      return (
        '✖ ' +
        buildProductString(link, store, true) +
        ' :: ' +
        chalk.yellow('CAPTCHA')
      );
    }

    return `✖ ${buildProductString(link, store)} :: CAPTCHA`;
  },
  cloudflare(link: Link, store: Store, color?: boolean): string {
    if (color) {
      return (
        '✖ ' +
        buildProductString(link, store, true) +
        ' :: ' +
        chalk.yellow('CLOUDFLARE, WAITING')
      );
    }

    return `✖ ${buildProductString(link, store)} :: CLOUDFLARE, WAITING`;
  },
  inStock(link: Link, store: Store, color?: boolean, sms?: boolean): string {
    const productString = `${buildProductString(link, store)} :: IN STOCK`;

    if (color) {
      return chalk.bgGreen.white.bold(`🚀🚨 ${productString} 🚨🚀`);
    }

    if (sms) {
      return productString;
    }

    return `🚀🚨 ${productString} 🚨🚀`;
  },
  inStockWaiting(link: Link, store: Store, color?: boolean): string {
    if (color) {
      return (
        'ℹ ' +
        buildProductString(link, store, true) +
        ' :: ' +
        chalk.yellow('IN STOCK, WAITING')
      );
    }

    return `ℹ ${buildProductString(link, store)} :: IN STOCK, WAITING`;
  },
  maxPrice(
    link: Link,
    store: Store,
    maxPrice: number,
    color?: boolean
  ): string {
    if (color) {
      return (
        '✖ ' +
        buildProductString(link, store, true) +
        ' :: ' +
        chalk.yellow(`PRICE ${link.price ?? ''} EXCEEDS LIMIT ${maxPrice}`)
      );
    }

    return `✖ ${buildProductString(link, store)} :: PRICE ${
      link.price ?? ''
    } EXCEEDS LIMIT ${maxPrice}`;
  },
  message(
    message: string,
    topic: string,
    store: Store,
    color?: boolean
  ): string {
    if (color) {
      return (
        '✖ ' +
        buildSetupString(topic, store, true) +
        ' :: ' +
        chalk.yellow(message)
      );
    }

    return `✖ ${buildSetupString(topic, store)} :: ${message}`;
  },
  noResponse(link: Link, store: Store, color?: boolean): string {
    if (color) {
      return (
        '✖ ' +
        buildProductString(link, store, true) +
        ' :: ' +
        chalk.yellow('NO RESPONSE')
      );
    }

    return `✖ ${buildProductString(link, store)} :: NO RESPONSE`;
  },
  outOfStock(link: Link, store: Store, color?: boolean): string {
    if (color) {
      return (
        '✖ ' +
        buildProductString(link, store, true) +
        ' :: ' +
        chalk.red('OUT OF STOCK')
      );
    }

    return `✖ ${buildProductString(link, store)} :: OUT OF STOCK`;
  },
  productInStock(link: Link): string {
    let productString = `Product Page: ${link.url}`;
    if (link.cartUrl) productString += `\nAdd To Cart Link: ${link.cartUrl}`;

    return productString;
  },
  rateLimit(link: Link, store: Store, color?: boolean): string {
    if (color) {
      return (
        '✖ ' +
        buildProductString(link, store, true) +
        ' :: ' +
        chalk.yellow('RATE LIMIT EXCEEDED')
      );
    }

    return `✖ ${buildProductString(link, store)} :: RATE LIMIT EXCEEDED`;
  },
  recursionLimit(link: Link, store: Store, color?: boolean): string {
    if (color) {
      return (
        '✖ ' +
        buildProductString(link, store, true) +
        ' :: ' +
        chalk.yellow('CLOUDFLARE RETRY LIMIT REACHED, ABORT')
      );
    }

    return `✖ ${buildProductString(
      link,
      store
    )} :: CLOUDFLARE RETRY LIMIT REACHED, ABORT`;
  },
};

function buildSetupString(
  topic: string,
  store: Store,
  color?: boolean
): string {
  if (color) {
    return chalk.cyan(`[${store.name}]`) + chalk.grey(` [setup (${topic})]`);
  }

  return `[${store.name}] [setup (${topic})]`;
}

function buildProductString(link: Link, store: Store, color?: boolean): string {
  if (color) {
    return (
      chalk.cyan(`[${store.name}]`) +
      chalk.grey(` [${link.brand} (${link.series})] ${link.model}`)
    );
  }

  return `[${store.name}] [${link.brand} (${link.series})] ${link.model}`;
}