SimpleBalancer

Balances API key and URL pairs usage

Dieses Skript sollte nicht direkt installiert werden. Es handelt sich hier um eine Bibliothek für andere Skripte, welche über folgenden Befehl in den Metadaten eines Skriptes eingebunden wird // @require https://update.greasyfork.org/scripts/528703/1732956/SimpleBalancer.js

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// ==UserScript==
// @name         SimpleBalancer
// @namespace    http://tampermonkey.net/
// @version      0.2.0
// @description  Balances API key and URL pairs usage
// @author       RoCry
// @grant        GM_setValue
// @grant        GM_getValue
// @license MIT
// ==/UserScript==

class SimpleBalancer {
  constructor(storageKey = 'simpleBalancerUsage') {
    this.storageKey = storageKey;
    this.storage = this.createStorage();
    this.pairUsage = this.loadUsageData();
  }

  createStorage() {
    if (typeof GM_getValue === 'function' && typeof GM_setValue === 'function') {
      return {
        get: (key, fallback) => GM_getValue(key, fallback),
        set: (key, value) => GM_setValue(key, value)
      };
    }

    if (typeof localStorage !== 'undefined') {
      return {
        get: (key, fallback) => {
          const raw = localStorage.getItem(key);
          if (raw === null) return fallback;
          return JSON.parse(raw);
        },
        set: (key, value) => {
          localStorage.setItem(key, JSON.stringify(value));
        }
      };
    }

    throw new Error('No storage available for SimpleBalancer');
  }

  loadUsageData() {
    const data = this.storage.get(this.storageKey, {});
    if (!data || typeof data !== 'object') {
      throw new Error('Invalid balancer data in storage');
    }
    return data;
  }

  saveUsageData() {
    this.storage.set(this.storageKey, this.pairUsage);
  }

  parseItems(items) {
    if (typeof items !== 'string') {
      throw new Error('Expected comma-separated string');
    }

    const parsed = items.split(',').map(item => item.trim()).filter(Boolean);
    if (parsed.length === 0) {
      throw new Error('Keys and URLs cannot be empty');
    }
    return parsed;
  }

  createPairKey(key, url) {
    return `${key}|||${url}`;
  }

  parsePairKey(pairKey) {
    const [key, url] = pairKey.split('|||');
    return [key, url];
  }

  choosePair(keys, urls) {
    const keyList = this.parseItems(keys);
    const urlList = this.parseItems(urls);

    let pairs = [];

    if (urlList.length === 1) {
      pairs = keyList.map(key => [key, urlList[0]]);
    } else if (keyList.length === 1) {
      pairs = urlList.map(url => [keyList[0], url]);
    } else {
      if (keyList.length !== urlList.length) {
        throw new Error('When using multiple keys and URLs, their counts must match');
      }
      pairs = keyList.map((key, index) => [key, urlList[index]]);
    }

    const pairKeys = pairs.map(([key, url]) => {
      const pairKey = this.createPairKey(key, url);
      if (!(pairKey in this.pairUsage)) {
        this.pairUsage[pairKey] = 0;
      }
      return pairKey;
    });

    const minUsage = Math.min(...pairKeys.map(key => this.pairUsage[key]));
    const leastUsedPairKeys = pairKeys.filter(key => this.pairUsage[key] === minUsage);
    const randomIndex = Math.floor(Math.random() * leastUsedPairKeys.length);
    const chosenPairKey = leastUsedPairKeys[randomIndex];

    this.pairUsage[chosenPairKey] += 1;
    this.saveUsageData();

    return this.parsePairKey(chosenPairKey);
  }

  resetUsage() {
    this.pairUsage = {};
    this.saveUsageData();
  }

  getUsageStats() {
    const stats = {};
    for (const pairKey in this.pairUsage) {
      const [key, url] = this.parsePairKey(pairKey);
      stats[`${key}, ${url}`] = this.pairUsage[pairKey];
    }
    return stats;
  }
}

if (typeof module !== 'undefined') {
  module.exports = SimpleBalancer;
} else {
  window.SimpleBalancer = SimpleBalancer;
}